NC Bench
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Run: 2026-03-09-01KKAC90CCGBFM82RE0E0AT88B
Run Details
Model:
GPT-5.4 (Reasoning, Low)
Test:
Bad Writing Habits
Scenario:
Mystery: examining a crime scene
Duration:
1m 21s
Cost:
$0.060178
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
Adverbs in dialogue tags
(details)
100.00%
AI-ism adverb frequency
(details)
80.00%
AI-ism character names
(details)
100.00%
AI-ism location names
(details)
79.63%
AI-ism word frequency
(details)
100.00%
Cliché density
(details)
100.00%
Emotion telling (show vs. tell)
(details)
100.00%
Filter word density
(details)
100.00%
Gibberish response detection
(details)
100.00%
Markdown formatting overuse
(details)
100.00%
Missing dialogue indicators (quotation marks)
(details)
66.67%
Name drop frequency
(details)
100.00%
Narrator intent-glossing
(details)
100.00%
"Not X but Y" pattern overuse
(details)
100.00%
Overuse of "that" (subordinate clause padding)
(details)
100.00%
Paragraph length variance
(details)
100.00%
Passive voice overuse
(details)
100.00%
Past progressive (was/were + -ing) overuse
(details)
100.00%
Em-dash & semicolon overuse
(details)
94.00%
Purple prose (modifier overload)
(details)
100.00%
Repeated phrase echo
(details)
100.00%
Sentence length variance
(details)
64.82%
Sentence opener variety
(details)
98.04%
Adverb-first sentence starts
(details)
100.00%
Pronoun-first sentence starts
(details)
92.35%
Subject-first sentence starts
(details)
0.00%
Subordinate conjunction sentence starts
(details)
100.00%
Technical jargon density
(details)
100.00%
Useless dialogue additions
(details)
100.00%
Dialogue tag variety (said vs. fancy)
(details)
92.5170%
Overall
Model input
System
You are an expert and award-winning novel writer in the dark Mystery genre. Your readers are hooked on your stories and can't wait to read the book you have in store. <important> - MUST: Start each chapter in medias res (in the middle of action). AVOID talking about the weather, time of day, the position of the sun, or other boring stuff. - The instructions/summary are just a that, a summary. Feel free to add details, stretch sections and add interesting transitions/descriptions/fillers. - When called for it, have fast-paced action, but otherwise take things slow. This is an experience, and not for people with short attention spans. Enjoy the wine, not slurp Red Bull. - Add descriptions when transitioning places/times/etc, or when coming by new places (e.g. a corner shop, a cafe, etc.). But remember: NOT at the start or end of a chapter. - MUST: AVOID ending in internal monologue, reminiscing or waiting for the next day. A good chapter end is when we're ending right when shit hits the fan. We want to have the reader be excited for what comes next. So no reminiscing, contemplating or summarizing the day. It's popcorn time! </important>
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> <proseGuidelines> <styleGuide> - Write in past tense and use British English spelling and grammar - Keep a Flesch reading ease score of 60 - Respect the the Royal Order of Adjectives: The order is: opinion, size, age, shape, color, origin, material, purpose, followed by the noun itself (e.g., "a lovely little old rectangular green French silver whittling knife") - Respect the ablaut reduplication rule (e.g. tick-tock, flip-flop) - Write in active voice - Passive voice: <bad>The book was read by Sarah.</bad> - Active voice: <good>Sarah read the book.</good> - Reduce the use of passive verbs - <bad>For a moment, I was tempted to throw in the towel.</bad> - <good>For a moment, I felt tempted to throw in the towel.</good> - Avoid misplaced modifiers that can cause confusion when starting with "-ing" words: - <bad>Considering going to the store, the empty fridge reflected in Betty's eyes.</bad> - <good>Betty stared into the empty fridge. It was time to go to the store.</good> - Avoid redundant adverbs that state the obvious meaning already contained in the verb: - <bad>She whispered quietly to her mom.</bad> - <good>She whispered to her mom.</good> - Use stronger, more descriptive verbs over weak ones: - <bad>Daniel drove quickly to his mother's house.</bad> - <good>Daniel raced to his mother's house.</good> - Omit adverbs that don't add solid meaning like "extremely", "definitely", "truly", "very", "really": - <bad>The movie was extremely boring.</bad> - <good>The movie was dull.</good> - Use adverbs to replace clunky phrasing when they increase clarity: - <bad>He threw the bags into the corner in a rough manner.</bad> - <good>He threw the bags into the corner roughly.</good> - Avoid making simple thoughts needlessly complex: - <bad>After I woke up in the morning the other day, I went downstairs, turned on the stove, and made myself a very good omelet.</bad> - <good>I cooked a delicious omelet for breakfast yesterday morning.</good> - Never backload sentences by putting the main idea at the end: - <bad>I decided not to wear too many layers because it's really hot outside.</bad> - <good>It's sweltering outside today, so I dressed light.</good> - Omit nonessential details that don't contribute to the core meaning: - <bad>It doesn't matter what kind of coffee I buy, where it's from, or if it's organic or not—I need to have cream because I really don't like how the bitterness makes me feel.</bad> - <good>I add cream to my coffee because the bitter taste makes me feel unwell.</good> - Always follow the "show, don't tell" principle. For instance: - Telling: <bad>Michael was terribly afraid of the dark.</bad> - Showing: <good>Michael tensed as his mother switched off the light and left the room.</good>- Telling: <bad>I walked through the forest. It was already Fall, and I was getting cold.</bad> - Showing: <good>Dry orange leaves crunched under my feet. I pulled my coat's collar up and rubbed my hands together.</good>- Add sensory details (sight, smell, taste, sound, touch) to support the "showing" (but keep an active voice) - <bad>The room was filled with the scent of copper.</bad> - <good>Copper stung my nostrils. Blood. Recent.</good> - Use descriptive language more sporadically. While vivid descriptions are engaging, human writers often use them in bursts rather than consistently throughout a piece. When adding them, make them count! Like when we transition from one location to the next, or someone is reminiscing their past, or explaining a concept/their dream... - Avoid adverbs and clichés and overused/commonly used phrases. Aim for fresh and original descriptions. - Avoid writing all sentences in the typical subject, verb, object structure. Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. Like so: <good>Locked. Seems like someone doesn't want his secrets exposed. I can work with that.</good> - Convey events and story through dialogue. It is important to keep a unique voice for every character and make it consistent. - Write dialogue that reveals characters' personalities, motivations, emotions, and attitudes in an interesting and compelling manner - Leave dialogue unattributed. If needed, only use "he/she said" dialogue tags and convey people's actions or face expressions through their speech. Dialogue always is standalone, never part of a paragraph. Like so: - <bad>"I don't know," Helena said nonchalantly, shrugging her shoulders</bad> - <good>"No idea" "Why not? It was your responsibility"</good> - Avoid boring and mushy dialog and descriptions, have dialogue always continue the action, never stall or include unnecessary fluff. Vary the descriptions to not repeat yourself. Avoid conversations that are just "Let's go" "yes, let's" or "Are you ready?" "Yes I'm ready". Those are not interesting. Think hard about every situtation and word of text before writing dialogue. If it doesn't serve a purpose and it's just people talking about their day, leave it. No one wants to have a normal dinner scene, something needs to happen for it to be in the story. Words are expensive to print, so make sure they count! - Put dialogue on its own paragraph to separate scene and action. - Use body language to reveal hidden feelings and implied accusations- Imply feelings and thoughts, never state them directly - NEVER use indicators of uncertainty like "trying" or "maybe" - NEVER use em-dashes, use commas for asides instead </styleGuide> <voiceGuide> Each character in the story needs to have distinct speech patterns: - Word choice preferences - Sentence length tendencies - Cultural/educational influences - Verbal tics and catchphrases Learn how each person talks and continue in their style, and use their Codex entries as reference. <examples> - <bad>"We need to go now." "Yes, we should leave." "I agree."</bad> <good>"Time's up." "Indeed, our departure is rather overdue." "Whatever, let's bounce."</good> - Power Dynamic Example: <bad> "We need to discuss the contract." "Yes, let's talk about it." "I have concerns." </bad> <good> "A word about the contract." "Of course, Mr. Blackwood. Whatever you need." "The terms seem..." A manicured nail tapped the desk. "Inadequate." "I can explain every-" "Can you?" </good> </examples> </voiceGuide> <dialogueFlow> When writing dialogue, consider that it usually has a goal in mind, which gives it a certain flow. Make dialogue sections also quite snappy in the back and forth, and don't spread the lines out as much. It's good to have details before, after, or as a chunk in-between, but we don't want to have a trail of "dialogue breadcrumbs" spread throughout a conversation. <examples> - Pattern 1 - Question/Deflection/Revelation: <good> "Where were you last night?" "Work. The usual." "Lipstick's an interesting shade for spreadsheets." </good> - Pattern 2 - Statement/Contradiction/Escalation: <good> "Your brother's clean." "Tommy doesn't touch drugs." "I'm holding his tox screen." </good> - Pattern 3 - Observation/Denial/Truth: <good> "That's a new watch." "Birthday gift." "We both know what birthdays mean in this business." </good> - Example - A Simple Coffee Order: <bad> "I'll have a coffee." "What size?" "Large, please." </bad> <good> "Black coffee.""Size?""Large. Been a long night." "That bodega shooting?" "You watch too much news." "My brother owns that store." </good> This short exchange: - Advances plot (reveals connection to crime) - Shows character (cop working late) - Creates tension (unexpected connection) - Sets up future conflict (personal stake) - Example - Dinner Scene: <bad> "Pass the salt." "Here you go." "Thanks." </bad> <good> "Salt?" "Perfect as is. Mother's recipe." "Mother always did prefer... bland things." "Unlike your first wife?" </good> - Example - Office Small Talk: <bad> "Nice weather today." "Yes, very nice." "Good for golf." </bad> <good> "Perfect golf weather." "Shame about your membership." "Temporary suspension. Board meets next week." "I know. I called the vote." </good> </examples> </dialogueFlow> <subtextGuide> - Layer dialogue with hidden meaning: <bad>"I hate you!" she yelled angrily.</bad> <good>"I made your favorite dinner." The burnt pot sat accusingly on the stove.</good> - Create tension through indirect communication: <bad>"Are you cheating on me?"</bad> <good>"Late meeting again?" The lipstick stain on his collar caught the light.</good> <examples> - Example 1 - Unspoken Betrayal: <bad> "Did you tell them about our plans?" "No, I would never betray you." "I don't believe you." </bad> <good> "Funny. Johnson mentioned our expansion plans today." "The market's full of rumors." "Mentioned the exact numbers, actually." The pen in his hand snapped. </good> - Example 2 - Failed Marriage: <bad> "You're never home anymore." "I have to work late." "I miss you." </bad> <good> "Your dinner's in the microwave. Again." "Meetings ran long." "They always do." She folded the same shirt for the third time. </good> - Example 3 - Power Struggle: <bad> "You can't fire me." "I'm the boss." "I'll fight this." </bad> <good> "That's my father's nameplate you're sitting behind." "Was." "The board meeting's on Thursday." </good> </examples> </subtextGuide> <sceneDetail> While writing dialogue makes things more fun, sometimes we need to add detail to not have it be a full on theatre piece. <examples> - Example A (Power Dynamic Scene) <good> "Where's my money?" The ledger snapped shut. "I need more time." "Interesting." He pulled out a familiar gold pocket watch. My mother's. "Time is exactly what you bargained with last month." "That was different-" "Was it?" The watch dangled between us. "Four generations of O'Reillys have wound this every night. Your mother. Your grandmother. Your great-grandmother.Shall we see who winds it next?" </good> - Example B (Action Chase) It's much better to be in the head of the character experiencing it, showing a bit of their though-process, mannerisms and personality: <good> Three rules for surviving a goblin chase in Covent Garden: Don't run straight. Don't look back. Don't let them herd you underground. I broke the first rule at Drury Lane. Rookie mistake. The fruit cart I dodged sailed into the wall behind me. Glass shattered. Someone screamed about insurance. *Tourist season's getting rough*, the scream seemed to say. Londoners adapt fast. "Oi! Market's closed!" The goblin's accent was pure East End. They're evolving. Learning. I spotted the Warren Street tube station sign ahead. *Shit.* There went rule three. </good> - Example C (Crime Scene Investigation) <good> "Greek." Davies snapped photos of the symbols. "No, wait. Reverse Greek." "Someone's been watching too many horror films." I picked up a receipt from the floor. Occult supply shop in Camden. Paid by credit card. *Amateur hour*. "Could be dangerous though," Davies said. "Remember Bristol?" "Bristol was Sanskrit. And actual cultists." I pointed to the nearest symbol. "This genius wrote 'darkness' backwards but used a Sigma instead of an S. It's summoning Instagram followers at best." "Speaking of followers..." Davies pointed to heavy foot traffic in the dust. Multiple sets. All new trainers. *Ah.* "Anyone check local uni paranormal societies?" </good> - Example D (Dialogue-heavy) <good> "Found your card in her wallet." The detective slid it across the table. Worn edges. Folded corner. Three years old at least. "Standard practice. I work missing persons." "Funny thing about missing persons.Eventually they stop being missing. Turn up in the Thames. Under motorways. In pieces." "I don't-" "You found four last year. All breathing." She opened a file. "This would've been your first dead one. If we hadn't found her first." The card felt heavier somehow. </good> </examples> </sceneDetail> <sceneOpenings> KEY RULE: Never open with more than one paragraph of description, no matter how beautiful. Description should be earned through action and dialogue. Instead of opening with setting description, open with: - A character doing something specific - A line of dialogue that raises questions - An unexpected observation - A moment of tension or conflict - Start with a hook that's 1-2 sentences maximum - Follow with a smaller paragraph that provides immediate context - Vary paragraph size from the start to create visual interest </sceneOpenings> </proseGuidelines> Write a chapter based on the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary. </instructions>
Model response
Messages
Meta
AI
“Hold that torch still.”
Detective Harlow Quinn stepped over
the rail and dropped onto the disused platform with military precision, her boots skidding on old grit and fresh blood in the same motion.
The constable with the lamp
flinched, swung the beam, and caught her sharp jaw in a hard slice of light. Behind her, the tunnel swallowed the noise from street level. Down here, every sound came back altered, tinny and close, as if the station had learned to
whisper
.
A body lay half under
a rusted timetable board. At first glance it looked simple enough. Male. Mid-thirties. Expensive coat. Throat cut. Wallet gone.
The kind of violent theft
that London produced by the dozen and pretended to abhor each time. But the platform around him looked wrong. Too busy in some places, untouched in others.
Too much disturbance, not enough
panic.
Quinn crouched beside the dead
man and checked her worn leather
watch
by habit, though she had no need of the time.
She looked at his hands
instead. Ink under the nails. Fine black grit on the cuffs.
A crescent burn on the
thumb and forefinger of his right hand. “Robbery gone ugly,” said DS Callum Reed from behind her. “Junkies or drifters. They use these old stations. One of the rail workers found him when he came down to inspect cabling.”
Reed was broad where Quinn
was spare, with a voice built for pub certainty.
He stood near the taped
stairwell entrance, notebook tucked under one arm, already bored by the dead.
Quinn lifted the victim’s left
hand.
The palm showed three straight
cuts, shallow and old, laid across the lifeline with neat intent. “Drifters don’t usually manicure.” “Plenty of posh boys buy in bad places.” She let the hand drop. “And bad places hand out matching wounds?” Reed gave a small shrug. “Could be some private club rubbish. Could be sex stuff. Could be anything.” Could be anything meant Reed had chosen nothing and wanted the report to follow.
Quinn rose and took the
torch from the constable.
The beam rolled across peeling
station posters, dead electrical boxes and a line of market stalls that should not have been there at all. She stopped.
The stalls had been folded
in haste and shoved back against the wall.
A velvet cloth trailed from
one trestle. Broken glass glittered under a bench.
Chalk marks crossed the platform
edge in circles and slashes, then broke off where many feet had scuffed them.
It looked less like a
nest for rough sleepers than the remains of a fair packed away mid-breath.
Reed saw where she aimed
the light and snorted. “Homeless market. They nick what they can, sell what they can’t eat.” Quinn moved closer. The nearest stall held a row of empty bird cages, each lined with grey ash. Another displayed spoons blackened by heat, tiny stoppered bottles, and a tray of teeth sorted by size. She glanced at him. “Homeless dentistry?” His mouth tightened. “You know what I mean.” She did.
He wanted grime to explain
itself. Most detectives did. Dirt saved paperwork. A forensic photographer worked farther down the platform. Flash burst white, then the dark rushed back in thicker than before. Quinn passed a column and the station widened into an old concourse, half bricked up, half forgotten. Someone had wired strings of dead bulbs overhead. Someone had painted symbols on the tiled walls and scrubbed them off in a hurry, leaving pale ghosts in the glaze. Copper stung her nostrils. Blood, yes, but not only blood. There was another smell under it, sweet and rotten, like flowers left too long in a sealed room. At the far end, a Transit officer in a hi-vis jacket hovered near a
shattered
display cabinet. “Found that intact,” Reed said. “Smashed after the struggle, I’d say.” Quinn bent to the glass. Not a display cabinet. A case. Lined in faded blue felt. Hooks at the back. Slots in the base. Built to hold small objects, each one with pride of place. A fragment lay in the felt. Brass, green with verdigris. Her fingers paused above it. “Don’t,” said the scenes-of-crime officer. Quinn looked up. The SOCO, Meena
Patel
, crouched opposite her with a swab in one hand and annoyance in both eyes. “I know,” Quinn said.
Patel
pointed at the fragment. “Prints are a mess. Most of them smeared. As if half the people here wore gloves and half dipped their hands in oil first.” “That helpful?” “It gets better.”
Patel
stood and handed Quinn a clear evidence bag. Inside sat a small brass compass, its casing
etched
with tiny sigils so fine they looked like scratches until the light caught them. Verdigris stained the hinge. The glass face had cracked in a spiderweb pattern, but the needle still jerked and spun, never settling north. Reed leaned in. “Cheap occult tat. Camden sells worse above ground.”
Patel
grimaced. “Cheap tat doesn’t warm up inside a sealed bag.” Quinn took the bag. Heat bled through the plastic, faint but real. The needle kicked towards the tunnel mouth, then snapped towards the bricked wall behind the folded stalls, then spun again as if indecision hurt. “Where did you find it?” “In the victim’s coat pocket. Inner breast. Wrapped in brown paper.”
Patel
tapped the bag. “And before you ask, no battery, no magnet I can see.” “Novelty item,” Reed said. “Street magician stuff.”
Patel
’s
look
could have flayed paint. “Then street magicians have improved.” Quinn turned back to the body. “What did rail workers say about this station?” “Officially?” Reed said. “Disused since the seventies. Unsafe access. Sealed tunnels. Unofficially, kids break in. Taggers, ravers, urban explorers.” “And market traders?”
He gave her a flat
stare. “Down here?”
She held his gaze until
he looked away first. One of the old station signs still clung to the wall, letters chipped but legible beneath soot. The platform served a branch line abandoned from maps, not from stone. Beyond the arch, the tunnel throat yawned black. Someone had mounted a modern CCTV camera there. No transit authority tag. No serial sticker. Quinn walked towards it.
Her boots crunched over something
brittle.
She angled the torch down
and found a scatter of tokens, each the size of a two-pound coin, each carved from pale bone. Most had snapped underfoot. One remained whole. A tiny station map had
been etched
on one side. On the other, a slit-pupilled eye.
Patel
saw it and hissed through her teeth. “No one logged those.” “Because no one noticed them.” Quinn pocketed a fresh evidence bag from the kit on
Patel
’s case and knelt.
She slid the token inside
without touching it. “How many?” “Broken pieces everywhere. Ten, twenty.” “Entry chits,” Reed said. “Underground gambling ring. There’s your answer.” Quinn stood. “For a robbery in which the wallet vanished but the victim still wore a six-hundred-pound
watch
?” Reed looked at the dead man’s wrist and frowned for the first time. “Could’ve been interrupted.” “Then why not take the ring? Why not the cash clip in his trouser pocket?” “You checked him already?” “I looked.” That stung him. Good.
She moved to the tunnel
camera and swept the beam along its mount. Fresh screws. Fresh cable. The wire ran
not into station infrastructure but across the wall
and into a decorative metal lantern hanging by the arch. The lantern did not match anything around it. Too ornate. Too deliberate. A lovely little old hexagonal black iron signal lantern in a ruin of municipal concrete. Quinn reached for it. “Careful,”
Patel
said. “I am.”
She lifted the lantern off
its hook. It weighed far too much. No candle inside.
Instead, a nest of dark
threads lined the glass. Horsehair, wire, something else. In the base, hidden under soot, she found a maker’s stamp, a symbol rather than a name. Reed shifted beside her. “You’re reading theatre into a mugging.” “No,” Quinn said. “I’m reading organisation.”
She handed the lantern to
Patel
and walked back to the corpse. Blood had spread from the throat wound in a thick fan, but it failed to match the drag mark on the platform. The body had bled here, yet someone had also moved it a short distance after the heart stopped. The streak ended at the leg of a stall.
She knelt, lifted the velvet
cloth with two fingers and looked underneath. A trapdoor sat flush with the concrete. Not old railway work. Too neat. Recently cut. Iron ring inset. Scrapes round the edge where it had opened and shut many times.
Patel
came over at once. Reed followed a pace later, now interested because the station had finally started behaving like a crime scene instead of a nuisance. “Well,” he said. “That’s new.” Quinn kept her face still. “Get uniforms on both stairwells. No one in or out. And I want the rail worker who found the body kept here.” Reed did not move. “You think he planted a market under Camden?” “I think he saw more than he told the first officer.” “That’s a leap.”
She rose from her crouch
in one smooth movement. “No. This is a leap.”
She pointed around them
. “Folded stalls. A private camera system. Tokens at the entrance. A display case for one specific item. And a body arranged to
look
robbed. Someone shut this place down in a hurry after he died. Your junkies don’t run inventory.”
Patel
crouched by the trapdoor and gave a low whistle. “There’s residue on the ring handle. Black, tar-like.” “Bag it.”
Patel
swabbed the metal. “It’s got glitter in it.” Reed folded his arms. “Drug cut.” “No.” Quinn nodded to the victim’s burned fingers. “He handled hot metal. He carried the compass. He came here for that case. Either to buy it or sell it. Someone took the wallet to erase his name.” “Or he owed money.” “Then where are the signs of a beating? Where’s the rough work? This throat cut was clean. One draw. Someone practised.” The photographer wandered nearer, camera hanging at his chest. “Boss, you’ll want this.” He held out a tablet loaded with fresh shots. Close-ups of the victim’s collar. At first Quinn saw only blood and expensive wool. Then she zoomed in. Powder at the lapel. Fine silver dust in a crescent smear.
Patel
sucked in a breath. “That was on the cabinet too.” Quinn took the evidence bag with the compass and held it near the photo. Verdigris green on brass. Silver dust on cloth. Black residue on the trapdoor ring. Three substances. Three stages of handling. Seller, buyer, remover. Reed peered at the image. “Still not seeing your grand conspiracy.” “You’re looking at the knife wound and ignoring the queue.” He frowned. “The what?” She pointed her torch at the platform edge. “Look there. One set of blood drops from the body. Then three clean lanes through the dust, side by side, all leading from the trapdoor to the stairs. People left in order. No scramble. No crush. They evacuated.”
Patel
turned and followed the beam. Once seen, it was obvious. The dust held it like a mould, three broad paths gouged by many feet. Between them, undisturbed grit. Reed’s posture changed by a degree.
Not much, but enough
. “Evacuated from what?” “The murder,” Quinn said. “Or what came after.” That earned
silence
. She crouched at the trapdoor and pressed the back of her fingers to the seam. Warm. Not from old electrics. Not from the cold little brass compass heating a plastic bag. A steadier
warmth
, rising from below like breath.
Patel
noticed at once. “You feel that?” Quinn nodded. Reed exhaled through his nose. “Ancient service tunnel. Steam pipes.” “Disused station,” Quinn said. “No live service.” “Residual heat.” “On a sealed hatch.” His jaw set. “You’ve had one odd case too many, Harlow.” Three years ago, Morris had died in a locked room with river mud in his lungs and no water for miles. Quinn had heard variants of that sentence ever since. She ignored him and tugged on a pair of gloves. The iron ring came up in her hand with a sticky pull. The black residue stretched in threads, then snapped.
Patel
leaned in with her swab kit. “Wait for entry team.” “No time.” “That’s not procedure.” “Neither is a hidden market in a dead station.” She braced and hauled. The trapdoor rose six inches, then jerked wider with a groan of metal against concrete. Warm air hit them, carrying spice, candle wax, singed hair, damp stone and the bright coin scent of fresh blood. Below, a narrow stair spiralled down into light. Not torchlight. Lamp light. Dozens of points of it, moving. Voices drifted up, quick and frightened, then a scream cut through them all. Reed stepped back. “What the hell is down there?” The answer came up the stairs at speed. A man slammed into the underside of the hatch from below, both hands slick red, eyes white with terror. He looked up at Quinn as if she were the last door left in the world. “Shut it,” he gasped. “For God’s sake, shut it, it’s loose.” Something huge struck him from the dark beneath, and the stairwell exploded with claws, blood and
shattered
light.
created_at
"2026-03-09T22:42:53.979Z"
3/9/2026, 10:42:53 PM
model
"openai/gpt-5.4-20260305"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
8675
moderation_latency
(null)
generation_time
81153
tokens_prompt
4671
tokens_completion
3546
native_tokens_prompt
4157
native_tokens_completion
3319
native_tokens_completion_images
0
native_tokens_reasoning
381
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"completed"
usage
0.0601775
router
(null)
provider_responses
0
endpoint_id
"9ff5625c-403f-4d7f-b895-58ac7295062c"
id
"resp_0fcaababa174f4b70169af4cee09c08193b502e496a04959b7"
is_byok
false
latency
258
model_permaslug
"openai/gpt-5.4-20260305"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
(null)
api_type
"completions"
id
"gen-1773096173-TqQz9CCX18PccS2tIcsA"
upstream_id
"resp_0fcaababa174f4b70169af4cee09c08193b502e496a04959b7"
total_cost
0.0601775
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
16
adverbTagCount
1
adverbTags
0
"She pointed around [around]"
dialogueSentences
85
tagDensity
0.188
leniency
0.376
rawRatio
0.063
effectiveRatio
0.024
100.00%
AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount
2209
totalAiIsmAdverbs
0
found
(empty)
highlights
(empty)
80.00%
AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions
(empty)
found
0
"Patel"
100.00%
AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
79.63%
AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount
2209
totalAiIsms
9
found
0
word
"whisper"
count
1
1
word
"velvet"
count
2
2
word
"shattered"
count
2
3
word
"etched"
count
2
4
word
"silence"
count
1
5
word
"warmth"
count
1
highlights
0
"whisper"
1
"velvet"
2
"shattered"
3
"etched"
4
"silence"
5
"warmth"
100.00%
Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.00%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
2
narrationSentences
204
matches
0
"e with pride"
1
"e with terror"
100.00%
Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount
2
hedgeCount
1
narrationSentences
204
filterMatches
0
"watch"
1
"look"
hedgeMatches
0
"tended to"
100.00%
Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences
271
gibberishSentences
0
adjustedGibberishSentences
0
longSentenceCount
0
runOnParagraphCount
0
giantParagraphCount
0
wordSaladCount
0
repetitionLoopCount
0
controlTokenCount
0
maxSentenceWordsSeen
40
ratio
0
matches
(empty)
100.00%
Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans
0
markdownWords
0
totalWords
2209
ratio
0
matches
(empty)
100.00%
Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions
18
unquotedAttributions
0
matches
(empty)
66.67%
Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions
72
wordCount
1628
uniqueNames
10
maxNameDensity
1.66
worstName
"Quinn"
maxWindowNameDensity
3
worstWindowName
"Quinn"
discoveredNames
Harlow
1
Quinn
27
London
1
Callum
1
Reed
19
Transit
1
Meena
1
Patel
17
Morris
1
Three
3
persons
0
"Harlow"
1
"Quinn"
2
"Reed"
3
"Meena"
4
"Patel"
5
"Morris"
places
0
"London"
globalScore
0.671
windowScore
0.667
100.00%
Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences
109
glossingSentenceCount
1
matches
0
"looked like scratches until the light cau"
100.00%
"Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches
2
per1kWords
0.905
wordCount
2209
matches
0
"not into station infrastructure but across the wall"
1
"Not much, but enough"
100.00%
Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount
0
totalSentences
271
matches
(empty)
100.00%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
124
mean
17.81
std
16.96
cv
0.952
sampleLengths
0
4
1
77
2
9
3
53
4
50
5
32
6
31
7
22
8
4
9
8
10
12
11
18
12
14
13
33
14
2
15
63
16
9
17
12
18
35
19
4
20
2
21
8
22
14
23
66
24
28
25
17
26
11
27
35
28
10
29
5
30
5
31
21
32
4
33
29
34
2
35
58
36
11
37
11
38
36
39
5
40
26
41
7
42
11
43
14
44
19
45
3
46
8
47
9
48
52
49
4
100.00%
Passive voice overuse
Target: ≤2% passive sentences
passiveCount
2
totalSentences
204
matches
0
"been folded"
1
"been etched"
100.00%
Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount
0
totalVerbs
269
matches
(empty)
100.00%
Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount
0
semicolonCount
0
flaggedSentences
0
totalSentences
271
ratio
0
matches
(empty)
94.00%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1636
adjectiveStacks
1
stackExamples
0
"old hexagonal black iron"
adverbCount
47
adverbRatio
0.028728606356968216
lyAdverbCount
5
lyAdverbRatio
0.003056234718826406
100.00%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
271
echoCount
0
echoWords
(empty)
100.00%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
271
mean
8.15
std
6.56
cv
0.805
sampleLengths
0
4
1
29
2
20
3
10
4
18
5
9
6
7
7
1
8
1
9
2
10
2
11
2
12
17
13
7
14
8
15
6
16
22
17
6
18
4
19
6
20
12
21
10
22
22
23
14
24
17
25
6
26
16
27
4
28
8
29
5
30
7
31
5
32
13
33
14
34
9
35
24
36
2
37
13
38
7
39
6
40
19
41
18
42
9
43
12
44
3
45
15
46
17
47
4
48
2
49
3
64.82%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
11
diversityRatio
0.4132841328413284
totalSentences
271
uniqueOpeners
112
98.04%
Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount
5
totalSentences
170
matches
0
"Too busy in some places,"
1
"Too much disturbance, not enough"
2
"Instead, a nest of dark"
3
"Then she zoomed in."
4
"Once seen, it was obvious."
ratio
0.029
100.00%
Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount
27
totalSentences
170
matches
0
"She looked at his hands"
1
"He stood near the taped"
2
"She let the hand drop."
3
"It looked less like a"
4
"She glanced at him."
5
"His mouth tightened."
6
"He wanted grime to explain"
7
"Her fingers paused above it."
8
"He gave her a flat"
9
"She held his gaze until"
10
"Her boots crunched over something"
11
"She angled the torch down"
12
"She slid the token inside"
13
"She moved to the tunnel"
14
"She lifted the lantern off"
15
"It weighed far too much."
16
"She handed the lantern to"
17
"She knelt, lifted the velvet"
18
"She rose from her crouch"
19
"She pointed around them"
ratio
0.159
92.35%
Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount
125
totalSentences
170
matches
0
"Detective Harlow Quinn stepped over"
1
"The constable with the lamp"
2
"A body lay half under"
3
"The kind of violent theft"
4
"Quinn crouched beside the dead"
5
"She looked at his hands"
6
"A crescent burn on the"
7
"Reed was broad where Quinn"
8
"He stood near the taped"
9
"Quinn lifted the victim’s left"
10
"The palm showed three straight"
11
"She let the hand drop."
12
"Reed gave a small shrug."
13
"Quinn rose and took the"
14
"The beam rolled across peeling"
15
"The stalls had been folded"
16
"A velvet cloth trailed from"
17
"Chalk marks crossed the platform"
18
"It looked less like a"
19
"Reed saw where she aimed"
ratio
0.735
0.00%
Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount
0
totalSentences
170
matches
(empty)
ratio
0
100.00%
Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences
56
technicalSentenceCount
1
matches
0
"Down here, every sound came back altered, tinny and close, as if the station had learned to whisper."
100.00%
Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags
16
uselessAdditionCount
0
matches
(empty)
100.00%
Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags
11
fancyCount
1
fancyTags
0
"he gasped (gasp)"
dialogueSentences
85
tagDensity
0.129
leniency
0.259
rawRatio
0.091
effectiveRatio
0.024
92.5170%