Run: 2026-03-18-01KM0A3V6SF2WJEGHSREZRFV5C

Run Details

Duration:
14.8s
Cost:
$0.012995
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.” Detective Harlow Quinn caught the young constable’s wrist a second before his glove met the brass compass lying in the dust. The compass clicked shut beneath her boot as she stepped over it, and the constable pulled back with a muttered curse. Harlow crouched over the body in the abandoned Tube platform, her sharp jaw tight, her worn leather watch scraping the grit as she steadied herself on one knee. The dead man lay half in shadow beneath a cracked advertising board, one hand curled around a ticket stub, the other open as if he had dropped something precious and had not the strength to keep hold of it. Dark blood pooled under his neck and looked almost black against the dirty tiles. “Two officers, one body, and you’ve already nearly contaminated the lot.” Quinn did not look up. “Excellent start.” Eva Kowalski stood a pace behind the cordon, her round glasses catching the thin swing of torchlight. She had her worn leather satchel pressed to her side and one hand tucked behind her left ear, tugging at a loose curl of red hair. “You say that like I invited you to a picnic.” “You did invite me to a nightmare.” “I invited you to Camden.” Harlow lifted the dead man’s wrist with the tip of a gloved finger. No rigor yet. Recent. Clean nails. No defensive wounds. She angled her torch over the sleeve and found a faint crescent mark on the cuff, the kind left by a wax seal or a melted bead of resin. “Name?” “Not in the pocketbook,” one of the uniforms called from the stairwell. “No wallet. No phone. No obvious ID.” “Obvious,” Harlow repeated. “That word keeps getting people killed.” Eva edged closer, ignoring the constable’s warning glance. “He came here with something.” “Who says he came here?” Harlow asked. Eva blinked, then looked at the body again. “Fine. He ended up here with something.” Harlow’s torch moved over the floor. Dust, old gum, a torn Oyster card, and a scatter of pale grit that did not belong to the station. Not plaster. Not salt. Bone? She pinched a few grains between her gloves and rubbed them together. Fine and chalky. Burnt residue, but not from ordinary fire. The station beneath Camden had the stale, metallic breath of somewhere forgotten by the living. Tiles cracked under old vandals’ signatures. A kiosk stood with its shutters bent outward like broken ribs. Farther along the platform, a row of dead fluorescent tubes hung in a grim line above an empty bench. A smell of damp concrete, rust, and something sweeter threaded through the rot. Harlow glanced at the body again. “He’s been staged.” Quinn’s arrival had dragged half the Met down with her. The local team hovered near the stairs, whispering into radios, and two forensic techs knelt by the cordon with cameras and swabs. A sergeant with a red face and too much confidence caught Harlow’s eye and gave a stiff nod. “He’s not staged,” the sergeant said. “He’s dead.” Harlow rose in one smooth motion and faced him. “Really? And here was I hoping for a good performance.” The sergeant flushed. “We got a call from station security. An unexplained body in the old disused section. Entry was locked, no sign of forced access. We’ve checked the tunnels.” “Checked?” Harlow echoed. “We’ve sent a team.” “Then pray your team can count.” Eva’s mouth twitched, quickly hidden. The sergeant did not seem amused. Harlow did not care. She crossed to the old kiosk and shone her light through the warped grill. The shelves inside held only dust and a line of mouse droppings, but something had been dragged across the counter recently. She touched the top edge. A smear of black wax clung there, soft at the centre, hardened at the rim. “Found that on the floor by his head.” The forensic tech held up an evidence bag. Inside sat a small brass compass, the casing green with verdigris. Protective sigils crawled across its face in fine etching, delicate enough to miss unless the light hit them right. Eva inhaled sharply. Harlow took the bag. “Where did it come from?” “Unknown. No prints through the glove, obviously.” Harlow turned the bag over in her hand and felt the dead weight of it. “This isn’t ordinary brass.” “No,” Eva said. “It isn’t.” The sergeant looked between them. “You know it?” Eva folded her arms over her satchel. “I know what it is.” “Then say it.” She looked at Harlow first. Harlow gave a tiny nod. “Veil Compass,” Eva said. “Or something made from the same patterning. It points to rifts. Portals. Places where the veil is thin.” The sergeant barked a humourless laugh. “Right. And I’m the Archbishop of Canterbury.” Harlow slid the compass back into the bag and handed it to a gloved evidence tech. “You can be whatever you like after we’re done. For now, you’ll keep your scepticism to yourself.” Eva’s eyes dropped to the dead man’s fingers. “Look at his nails.” Harlow did. Under the grime, each nail bore a narrow dark crescent, as if he had scraped them through soot. Not earth. Not subway grease. “Chalk,” Eva said. “But not chalk from the station. That’s ritual ash.” The sergeant’s face tightened. “Ritual what?” Harlow walked around the body, careful with her steps. There were no drag marks on the platform tiles. No smear from a shoe. No scuff at the edge of the blood pool. Whoever laid him there had handled him with care. “Strange, isn’t it?” Harlow said. “A man walks into a sealed underground station with a compass that tracks supernatural rifts, dies neatly without a struggle, and leaves behind ash that your team missed in the first sweep.” “We’ve only just started the sweep.” “You’ve been here long enough to step over the evidence.” The sergeant bristled. “You think this is one of your occult cases.” “I think it stinks,” Harlow said. “Which, in my experience, often means the supernatural has got its hand in it.” Eva crouched near the dead man’s other hand and pointed with one slim finger. “Not his hand. Look here.” Harlow joined her. In the dead man’s palm lay a ticket stub, edges soft from sweat. The print had faded, but the station name remained legible in a dull black stamp: Camden Town, Disused Access. The sergeant frowned. “That doesn’t make sense. There’s no access open there.” “Of course there is,” Eva said. “Just not for you.” Harlow’s gaze flicked to the corridor leading deeper into the station. A chain-link barrier blocked it off, but someone had bent the top rail inward. Fresh metal gleamed beneath old grime. Beyond it, the passage sloped into darkness. “Your team checked the tunnels,” she said. “We checked the known routes.” Harlow’s expression did not change. “And the unknown ones?” The sergeant did not answer. She walked to the barrier and examined the bent rail. Clean tools had not made that damage. The metal split inward in a broad, rough arc, as if something heavy had pushed through from the far side. She knelt and studied the floor beneath it. Dust had collected in the channel along the track, except for a trail of cleared grit, spaced in a pattern. Not footprints. Scratches. Long, straight gouges, three at a time, then a pause, then three more. Harlow looked over her shoulder. “You see that?” Eva nodded at once. “Claws.” The sergeant made a dismissive sound. “Rat marks.” “Rats don’t step in triplets,” Eva said. Harlow ran her torch along the wall. The tiled surface bore shallow scratches at waist height, each one angled downwards. Something had passed through here with weight and speed. Then stopped. Then turned. Her eyes narrowed. “Who called this in?” “Security guard,” the sergeant said. “Name’s Bell. He saw blood on the platform camera feed and came down.” “Came down alone?” “Yes.” Harlow straightened and faced him. “Then get him.” “He’s in the interview room upstairs.” “Good. Keep him there.” The sergeant hesitated. “Why?” “Because I’ve just realised this body wasn’t discovered. It was delivered.” Silence cracked across the platform. Eva shifted her grip on the strap of her satchel. “Delivered by who?” Harlow pointed at the compass bag in the evidence tech’s hand. “By someone who knew exactly what it would attract.” The sergeant shook his head. “Attract what?” Harlow glanced towards the dark passage beyond the bent barrier. “Whatever lives on the other side.” A low rattle rolled through the station, faint enough at first to pass for loose metal in a tunnel. Then it came again, closer this time, a wet scrape like nails on tile. One of the uniforms swore and backed towards the stairs. “Tell me your team actually sealed the route,” Harlow said. “We sealed it.” The sound answered him. A sharp crack followed, then another. Metal under strain. Eva’s pupils widened behind her glasses. “That isn’t the route.” Harlow was already moving. She snatched a forensic light from the tech’s tray and aimed it at the passage. Dust lifted in the beam. Something moved through it, low to the ground, not quite hidden by shadow. The sergeant drew his weapon. “Police!” “Harlow,” Eva hissed, and for once her voice lost its scholarly polish. “The compass.” The evidence tech nearly dropped the bag as the brass needle inside clicked hard against the glass. It spun once, twice, then jerked to the mouth of the corridor and stopped. Not at the body. Not at the station exit. At the wall. Harlow’s gaze locked on a row of tiles no one else had bothered to inspect. Old advertising glaze. Cracked blue paint. Dust. Nothing else. Then she saw it, and a cold line slid along her spine. A door. Not a proper one. A seam. The tiles had been cut and replaced so cleanly that the joins vanished unless the light struck them from the side. At the base, a narrow ledge held the same black wax she had found on the kiosk. Someone had sealed it from the outside and painted over the crack with station grime. The scraping came again. Closer. Behind the wall. The sergeant stared. “What in God’s name is that?” Harlow did not answer. She stepped to the wall and pressed her palm against the seam. Cold seeped through her glove. Not stone. Not tile. Something breathing on the other side made the surface pulse once against her hand. Eva swallowed and moved up beside her. “That compass doesn’t point at the nearest rift.” Harlow kept her hand on the wall. “No.” “It points at the one nearest opening.” The scraping burst into a hard impact. Tiles jumped. Dust shook loose from the ceiling and pattered onto the platform. Someone in the local team shouted from the stairs. Another bang hit the seam, harder this time, and the black wax along the base split open in a thin line. Harlow drew her torch back just as a wet, pale finger pushed through the crack. The finger hooked against the tile and vanished. Then the wall shuddered as something on the far side found the gap. “Back,” Harlow snapped. The uniforms dragged the tape line wider. The sergeant kept his pistol raised, though his arm had gone rigid. Eva did not move far enough back, only enough to get a book-sized field notebook from her satchel and flip it open with shaking hands. “You said the dead man was delivered,” she said, eyes fixed on the seam. “You were right.” “Stand clear.” “Not until you tell me what opened it.” The wall bucked again. A sound burst through the gap, low and human and wrong, like a voice made underwater. Harlow’s torch beam slid over the seam and caught a smear of fresh blood streaked down from above it, as if something had just been pushed through from the other side. Her jaw set. “Bell didn’t call it in,” she said. “He opened it.” The sergeant snapped his head round. “What?” Harlow pointed at the evidence bag. “He brought the compass here. He used the body as bait. And he knew enough to seal the door afterwards, badly, because he thought he could keep whatever came through trapped below Camden.” The scraping became a slam. The wall cracked along the seam. A shard of tile dropped and shattered on the platform. Eva looked up from the notebook, all colour drained from her freckles. “Quinn.” The crack widened. Something in the dark beyond the wall snarled, and the old station lights flickered once, as if the whole tunnel had flinched.
created_at"2026-03-18T11:08:25.196Z" 3/18/2026, 11:08:25 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency410
moderation_latency(null)
generation_time14585
tokens_prompt4671
tokens_completion3397
native_tokens_prompt4157
native_tokens_completion2771
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached3840
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"
usage0.01299525
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0edc5256620e0c010169ba87a9419881948b0bc6abf0ef2d16"
is_byokfalse
latency202
model_permaslug"openai/gpt-5.4-mini-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773832105-MmbvRHnd9k96lQI7wSVm"
upstream_id"resp_0edc5256620e0c010169ba87a9419881948b0bc6abf0ef2d16"
total_cost0.01299525
cache_discount0.002592
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
totalTags22
adverbTagCount0
adverbTags(empty)
dialogueSentences91
tagDensity0.242
leniency0.484
rawRatio0
effectiveRatio0
92.88% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2107
totalAiIsmAdverbs3
found
0
adverb"really"
count1
1
adverb"quickly"
count1
2
adverb"sharply"
count1
highlights
0"really"
1"quickly"
2"sharply"
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)
78.64% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2107
totalAiIsms9
found
0
word"echoed"
count1
1
word"etching"
count1
2
word"weight"
count2
3
word"flicked"
count1
4
word"silence"
count1
5
word"pulse"
count1
6
word"shattered"
count1
7
word"flickered"
count1
highlights
0"echoed"
1"etching"
2"weight"
3"flicked"
4"silence"
5"pulse"
6"shattered"
7"flickered"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
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
filterCount1
hedgeCount0
narrationSentences184
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences254
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2107
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions22
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions74
wordCount1579
uniqueNames12
maxNameDensity2.34
worstName"Harlow"
maxWindowNameDensity5
worstWindowName"Harlow"
discoveredNames
Harlow37
Quinn3
Tube1
Eva20
Kowalski1
Oyster1
Camden2
Met1
Town1
Disused1
Access1
Dust5
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Camden"
5"Town"
6"Dust"
places(empty)
globalScore0.328
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences100
glossingSentenceCount1
matches
0"not quite hidden by shadow"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2107
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences254
matches
0"made that damage"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs121
mean17.41
std16.68
cv0.958
sampleLengths
03
142
281
318
453
57
65
752
819
99
1013
117
1215
1353
1464
159
1650
178
1819
1930
203
214
226
2315
2455
2546
263
279
287
2919
305
318
3212
333
3410
3522
3613
3733
3812
3925
4012
416
4241
4337
446
4510
4612
4720
4819
4935
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences184
matches
0"been dragged"
1"been pushed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs251
matches
0"was already moving"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences254
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount632
adjectiveStacks0
stackExamples(empty)
adverbCount16
adverbRatio0.02531645569620253
lyAdverbCount5
lyAdverbRatio0.007911392405063292
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences254
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences254
mean8.3
std6.74
cv0.813
sampleLengths
03
121
221
328
439
514
616
72
817
926
1010
117
125
1313
143
151
162
173
1829
191
2012
217
223
236
248
255
267
278
287
296
3020
312
322
331
3412
353
367
3715
386
3911
4019
4113
426
433
4410
4522
4618
476
482
499
55.91% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.3661417322834646
totalSentences254
uniqueOpeners93
66.23% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences151
matches
0"Then it came again, closer"
1"Then she saw it, and"
2"Then the wall shuddered as"
ratio0.02
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount14
totalSentences151
matches
0"She had her worn leather"
1"She angled her torch over"
2"She pinched a few grains"
3"She crossed to the old"
4"She touched the top edge."
5"She looked at Harlow first."
6"She walked to the barrier"
7"She knelt and studied the"
8"Her eyes narrowed."
9"She snatched a forensic light"
10"It spun once, twice, then"
11"She stepped to the wall"
12"she said, eyes fixed on"
13"Her jaw set."
ratio0.093
72.58% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount117
totalSentences151
matches
0"Detective Harlow Quinn caught the"
1"The compass clicked shut beneath"
2"Harlow crouched over the body"
3"The dead man lay half"
4"Quinn did not look up"
5"Eva Kowalski stood a pace"
6"She had her worn leather"
7"Harlow lifted the dead man’s"
8"She angled her torch over"
9"Eva edged closer, ignoring the"
10"Eva blinked, then looked at"
11"Harlow’s torch moved over the"
12"Dust, old gum, a torn"
13"She pinched a few grains"
14"The station beneath Camden had"
15"Tiles cracked under old"
16"A kiosk stood with its"
17"A smell of damp concrete,"
18"Harlow glanced at the body"
19"Quinn’s arrival had dragged half"
ratio0.775
33.11% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences151
matches
0"Whoever laid him there had"
ratio0.007
98.21% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount4
matches
0"The dead man lay half in shadow beneath a cracked advertising board, one hand curled around a ticket stub, the other open as if he had dropped something preciou…"
1"The metal split inward in a broad, rough arc, as if something heavy had pushed through from the far side."
2"Harlow’s torch beam slid over the seam and caught a smear of fresh blood streaked down from above it, as if something had just been pushed through from the othe…"
3"Something in the dark beyond the wall snarled, and the old station lights flickered once, as if the whole tunnel had flinched."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags22
uselessAdditionCount1
matches
0"she said, eyes fixed on the seam"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags18
fancyCount3
fancyTags
0"Harlow repeated (repeat)"
1"Eva hissed (hiss)"
2"Harlow snapped (snap)"
dialogueSentences91
tagDensity0.198
leniency0.396
rawRatio0.167
effectiveRatio0.066
89.9188%