Run: 2026-03-06-01KK1HPV302H8EQZMGAVYVMMCB

Run Details

Model:
GPT-5.4
Duration:
1m 17s
Cost:
$0.045234
Provider:
OpenAI

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

AI
“Don’t touch that curtain.” Detective Harlow Quinn ducked under the yellow tape and caught the constable’s wrist before his gloved fingers brushed the black velvet hanging from the archway. He froze, eyes wide behind a fog of breath and cheap coffee. Quinn let go at once and stepped past him, her leather watch grazing the edge of her cuff. “Sorry, ma’am.” “You would be if you put your prints on it.” The abandoned Tube platform stretched away in broken slabs and old soot, but this was no common trespass scene with squatters, spice packets, and burnt foil. Someone had remade the station into a chamber. Lanterns in smoked glass hung from rusted hooks. Stalls stood folded back against the tiled walls as if a market had packed itself in a hurry and vanished through a trapdoor. The air carried a layered stink, old dust, hot metal, rosemary smoke, and beneath it all the sweet rot of blood. Camden’s forgotten underbelly. People had whispered about tunnels beneath tunnels for years. Smugglers. Raves. Organ theft. Quinn had heard them all. Yet the scene in front of her refused every neat drawer in the filing cabinet. A body lay facedown near the tracks, one arm bent under him at an angle that made the shoulder look poured rather than jointed. The victim wore an expensive charcoal coat, split at the back seam, and one polished shoe had come off. Around him, chalk marks mapped the territory. Forensics lights cast the platform in stark white pools, leaving the far end in murk. DS Colin Vale crouched by a pillar, notebook in hand. He rose when he saw her, all rangy limbs and impatience. “You took your time.” “You called it in as a routine homicide.” “That was before I walked ten yards.” He jerked his chin at the stalls. “What do you think this is?” Quinn did not answer. She moved past him and scanned the station in slices. Habit first. Entry points. Exits. Sight lines. Obstacles. Two stairwells. One sealed gate, old iron. A maintenance tunnel to the east wall, barred open. No signs of forced entry on the gate. No fresh damage on the stairs. Plenty of boot prints in the grime, but too many uniforms had already trampled the edges. “Who found him?” “Transport cleaners. They came down through a service hatch after reports of humming from the electrical room.” “Humming.” “That’s what they said. Thought thieves were stripping copper.” Quinn crouched by the body. Male. Mid-fifties. Good tailoring. Clean nails. No wallet in the back pocket, no watch, wedding ring still on. Blood had leaked from under the torso and congealed in a dark fan, but not enough for the amount on the nearby tiles. The victim had bled elsewhere or been emptied by something that did not care about tidiness. Vale circled to the other side. “One stab wound, upper back. Narrow blade. Went between the ribs. In and out. Efficient.” “Then why the mess?” He spread a hand. “Panic. The killer dragged him. Look there.” A broad smear cut across the platform, leading from the centre aisle between the empty stalls to the track edge. Quinn leaned closer. It looked like a drag mark at first glance, but first glances earned lazy arrests. The blood trail widened and thinned in the wrong places. A body dragged by the shoulders left alternating catches where heels bumped and cloth snagged. This was smoother. Swept. Deliberate. She rose and walked to the beginning of the stain. The tile there had been scrubbed and failed to hide it. Around the edges lay a powder, pale and gritty. “Forensics bag that.” A technician near the stairs nodded. Vale flipped a page. “We found traces of chalk circles as well. Could be some performance art rubbish. There were candles everywhere before the firefighters cleared the open flames. One witness said this place hosted secret parties. Rich people love old stations.” “Rich people also love not being stabbed.” She stopped at the nearest stall. The wood looked ancient from a distance. Up close, the planks were recently cut and then dirtied, all theatre. Brass hooks lined the back board. Several held nothing. One held a string of tiny vertebrae threaded on red twine. Another displayed a row of stoppered glass vials, each empty. “Did anyone log these stalls before they started moving pieces?” Vale frowned. “We secured the body.” “That wasn’t my question.” He closed the notebook with a snap. “Photographs are being processed.” Quinn glanced at him. Vale was sharp enough when his ego did not step ahead of his eyes. Tonight his ego had sprinted. Something crunched under her shoe. She looked down. Not glass. Bone, shaved into a thin disc with a hole bored through the top. She bent, lifted it with a pen, and turned it in the light. “A token?” Vale peered over. “Necklace charm.” “It was in the dirt, not on the victim.” “So the victim dropped it.” She rubbed the edge through her glove. Smooth from handling. One side held a scratched symbol, a crescent crossed by three short lines. “Bag it separate.” A low whistle came from behind the tape. Eva Kowalski stood there with her satchel clutched to her hip, curly red hair escaping its tie, round glasses flashing in the forensic glare. A uniform blocked her path with all the confidence of a man who did not know whom he was talking to. “She can’t be here,” Vale said. Eva pushed her glasses up with one knuckle. “I work for the museum, not a séance parlour. One of your officers called about the symbols because he knows I can read dead languages better than Google.” Quinn held out her hand for the token. “Let her through.” Vale’s mouth tightened. “She’s a civilian.” “She’s useful.” Eva slipped under the tape and landed with a small skid on the dirty platform. Her gaze darted, quick and bright, but she did not gawp at the body. Good. She had seen enough ugly things in archives and basements to know wonder had no place at a fresh death. “Who’s dead?” “Not for you to identify,” Vale said. Eva ignored him and looked at Quinn instead. “What am I looking at?” Quinn pointed with two fingers. “Powder by the stain. Markings. These stalls. And that.” At the far end of the platform, fixed to an old Underground roundel, hung a brass compass on a length of black cord. The casing had gone green with verdigris. Its face caught the light in tiny etched lines. Eva went still. She tucked hair behind her left ear. “That shouldn’t be here.” Quinn watched that reaction. “What is it?” “A Veil Compass.” Vale gave a short laugh. “A what compass?” Eva did not look at him. “People tell stories about hidden markets. They trade in artefacts, poisons, favours, names. Most of it is gossip wrapped in bad scholarship, but the compass is real. Shade work, according to one manuscript. It points to tears in the world.” Vale folded his arms. “Convenient.” “You asked for a translation, not a worldview.” Quinn walked to the hanging compass. It swayed once, though no one had touched it. Its needle trembled, then pulled hard, not north, but toward the wall behind the folded stalls. She did not like the prickling at the base of her neck. She liked it less because it felt familiar, close to the wrongness that had lived in the Morris file, three years old and never buried. “Who moved this?” No one answered. A constable near the stairs called down. “Ma’am, nobody logged it. We thought it was part of the set dressing.” “Everything is evidence until I say otherwise.” She studied the wall. White tiles, cracked in a spider pattern. Soot in the grout. At knee height, one section had lost its grime in a clean crescent, as if something had rested there and been removed. The stalls had been placed to hide it. “Move the stall. Slowly.” Vale stepped in. “If this is your grand theory, that a magic compass killed a City banker in a secret goblin bazaar, I’ll save us all the paperwork and write stress leave in the margin.” Quinn did not turn. “I know it’s not a drag mark. I know the blood was poured after death. I know our victim came here on purpose because there are no defensive wounds, no signs of pursuit from the entrances, and his ring is still on his hand. Robbery didn’t drive this. Ritual theatre did.” “Or a meeting gone wrong.” “Then where are the meeting traces? No phones trampled underfoot. No dropped cigarette ends from nervous men in a rush. No takeaway cups. No tyre marks topside from a quick disposal. This place was arranged, used, stripped, and abandoned with care.” Eva crouched by the powder and sniffed, then recoiled. “Salt, ash, and crushed juniper. Protective blend.” Vale stared at her. “You can smell that.” “I can read and I own a nose.” The officers shifted the stall aside. Wood scraped tile. Dust rose. Behind it, the wall was not a wall at all. A bricked-up arch sat beneath the old tile skin, and in the centre of the arch someone had drawn a circle in dark red. Not paint. Blood. Symbols ringed it in a cramped hand, some sharp and angular, others curved like hooks. At the very middle lay a handprint, full palm, fingers spread. Quinn stepped close but not too close. The blood had dried with a skin of black gloss. Fresh enough to hold colour. Old enough to crack at the edges. She saw one flaw at once. “Those symbols. You know them?” Eva swallowed. “Some. Protection. Concealment. Binding.” “Which one’s wrong?” Eva blinked. “What?” “One is wrong. Someone copied this from a source they did not understand.” Vale scoffed. “Based on what?” Quinn pointed with a pen. “Everything else sits in a ring. Even spacing, same pressure, same hand. That one cuts deeper. Hesitation at the curve. Ink, or blood, pooled there because the writer stopped and corrected. Whoever made this knew enough to fake fluency, not enough to be fluent.” Eva leaned in, eyes narrowing behind the lenses. “She’s right. That’s not a binding mark. It’s an invitation glyph, badly drawn. If this is meant to seal something, it does the opposite.” Vale opened his mouth, then shut it. Quinn crouched at the base of the arch. More pale grit. More little grooves in the dirt. Not from shoes. Small wheels. “Something stood here.” “The compass?” Eva said. “No. Too light.” Quinn traced the arc in the clean tile with one finger. “A case. Curved base. Metal feet.” “A trunk?” “A display cabinet.” She stood and looked back at the body. “Where’s the victim’s blood type?” “Pending.” “Get me his hands.” Vale stared. “They’re attached.” “For residue. Wood stain, metal polish, chalk, whatever he touched before he died.” She nodded at the arch. “He didn’t come to buy. He came to bring something. It sat here, centre stage, then left with someone else.” Eva’s voice dropped. “If this is the Veil Market, entry needs a token.” Quinn lifted the bone disc in its evidence bag. “So our victim had a ticket.” “Or the killer did.” A technician called from beside the corpse. “Ma’am, there’s more. Inner pocket.” He held up a folded card with tweezers. Thick black stock. No writing on the outside. Quinn took it and opened the crease. Inside, embossed in silver, stood a single line. ADMISSION FOR ONE, NO RETINUE Below it, a symbol matched the token. Vale exhaled through his nose. “All right. Secret club. Password on card. Wealthy weirdo venue. We’re back in the real world.” Quinn looked at the body again. The coat split at the back. The single shoe off. The blood arranged after death. The hidden arch. The fake symbol among real ones. “No,” she said. “Now we’re closer to it.” She crossed to the corpse and crouched by the bare foot. Not bare. A black sock, fine wool, stretched thin at the heel. On the sole clung a smear of grey dust with bright flecks in it. She scraped a sample onto a slide. Mica. Plaster. Something else, something oily. “Where else in the station?” A uniform answered. “No plaster work down here. Just old tile and concrete.” “Then he came through another place before he died.” Eva’s head lifted toward the maintenance tunnel. The Veil Compass, still hanging from the roundel, spun once and snapped toward the same dark opening. Everyone saw it. No one spoke for a beat. Then, from the tunnel, came the metallic clatter of something dropped in haste, followed by the soft slap of footsteps retreating deeper underground. Quinn was already moving. “Vale, with me. Nobody touches that arch. Kowalski, stay behind the tape.” Eva had already reached into her satchel. “You’ll want a torch. And if that compass starts screaming, run.” Quinn snatched the torch from her hand and plunged into the tunnel just as a second sound rolled out of the dark, a low, wet crack like a joint forced the wrong way, and Vale swore, sharp and frightened. At the bend ahead, a man in forensic white staggered into the light with half his mask torn off and blood streaming through his fingers. Behind him, something slammed into the tunnel wall hard enough to shake rust from the pipes.
created_at"2026-03-06T12:24:40.304Z" 3/6/2026, 12:24:40 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency546
moderation_latency(null)
generation_time76440
tokens_prompt4671
tokens_completion3619
native_tokens_prompt4157
native_tokens_completion2918
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached3968
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0452345
router(null)
provider_responses
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endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0246c8e4a94cc9e70169aac7885b688196b0dc6319b45682e8"
is_byokfalse
latency144
model_permaslug"openai/gpt-5.4-20260305"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
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upstream_id"resp_0246c8e4a94cc9e70169aac7885b688196b0dc6319b45682e8"
total_cost0.0452345
cache_discount0.008928
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences85
tagDensity0.082
leniency0.165
rawRatio0
effectiveRatio0
95.54% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2242
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"very"
count1
highlights
0"slowly"
1"very"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
73.24% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2242
totalAiIsms12
found
0
word"velvet"
count1
1
word"stark"
count1
2
word"scanned"
count1
3
word"efficient"
count1
4
word"processed"
count1
5
word"charm"
count1
6
word"etched"
count1
7
word"trembled"
count1
8
word"familiar"
count1
9
word"traced"
count1
10
word"footsteps"
count1
11
word"streaming"
count1
highlights
0"velvet"
1"stark"
2"scanned"
3"efficient"
4"processed"
5"charm"
6"etched"
7"trembled"
8"familiar"
9"traced"
10"footsteps"
11"streaming"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences184
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences184
filterMatches
0"watch"
1"look"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences262
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen51
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2242
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions65
wordCount1501
uniqueNames12
maxNameDensity1.47
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn22
Tube1
Colin1
Vale18
Kowalski1
Eva14
Underground1
Morris1
Veil1
Compass1
One3
persons
0"Harlow"
1"Quinn"
2"Colin"
3"Vale"
4"Kowalski"
5"Eva"
6"Morris"
7"Compass"
8"One"
places(empty)
globalScore0.767
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences106
glossingSentenceCount1
matches
0"looked like a drag mark at first glance,"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.446
wordCount2242
matches
0"not north, but toward the wall behind the folded stalls"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences262
matches
0"watched that reaction"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs157
mean14.28
std16.93
cv1.186
sampleLengths
04
155
22
310
486
536
665
721
84
98
1020
1168
123
1317
141
159
1662
176
1815
194
204
217
2220
2348
2430
253
266
274
2838
297
3055
3110
322
334
344
357
364
3723
3823
3913
402
413
422
439
445
4523
463
4753
486
498
97.64% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences184
matches
0"been emptied"
1"been scrubbed"
2"been removed"
3"been placed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs244
matches
0"was talking"
1"was already moving"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences262
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1503
adjectiveStacks0
stackExamples(empty)
adverbCount37
adverbRatio0.024617431803060547
lyAdverbCount5
lyAdverbRatio0.00332667997338656
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences262
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences262
mean8.56
std8.04
cv0.939
sampleLengths
04
125
212
318
42
510
626
78
88
923
1021
113
129
131
141
152
165
1715
1824
1919
207
2115
2210
2311
244
258
2614
276
284
2910
302
312
321
332
341
352
365
379
388
396
4016
413
4217
431
449
455
461
471
482
492
62.60% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.40076335877862596
totalSentences262
uniqueOpeners105
66.23% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences151
matches
0"More pale grit."
1"More little grooves in the"
2"Then, from the tunnel, came"
ratio0.02
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount27
totalSentences151
matches
0"He froze, eyes wide behind"
1"He rose when he saw"
2"He jerked his chin at"
3"She moved past him and"
4"He spread a hand."
5"It looked like a drag"
6"She rose and walked to"
7"She stopped at the nearest"
8"He closed the notebook with"
9"She looked down."
10"She bent, lifted it with"
11"She rubbed the edge through"
12"Her gaze darted, quick and"
13"She had seen enough ugly"
14"Its face caught the light"
15"She tucked hair behind her"
16"It swayed once, though no"
17"Its needle trembled, then pulled"
18"She did not like the"
19"She liked it less because"
ratio0.179
62.65% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount120
totalSentences151
matches
0"Detective Harlow Quinn ducked under"
1"He froze, eyes wide behind"
2"Quinn let go at once"
3"The abandoned Tube platform stretched"
4"Someone had remade the station"
5"Lanterns in smoked glass hung"
6"Stalls stood folded back against"
7"The air carried a layered"
8"Camden’s forgotten underbelly."
9"People had whispered about tunnels"
10"Quinn had heard them all."
11"A body lay facedown near"
12"The victim wore an expensive"
13"Forensics lights cast the platform"
14"DS Colin Vale crouched by"
15"He rose when he saw"
16"He jerked his chin at"
17"Quinn did not answer."
18"She moved past him and"
19"A maintenance tunnel to the"
ratio0.795
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences151
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount1
matches
0"A body lay facedown near the tracks, one arm bent under him at an angle that made the shoulder look poured rather than jointed."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount0
fancyTags(empty)
dialogueSentences85
tagDensity0.047
leniency0.094
rawRatio0
effectiveRatio0
90.2628%