Run: 2026-07-09-01KX41ECXKY4TFSNX3MRAVSAHM

Run Details

Duration:
18.5s
Cost:
$0.018030
Provider:
OpenAI

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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
Rain hammered Soho hard enough to flatten the city. It streamed from the green neon Raven’s Nest sign and dripped from the black wings of the painted raven beneath it. The light broke across the pavement in sickly shards, turning puddles into strips of bottled glass. Harlow Quinn hit the pavement at a run, her boots striking sparks from the slick kerb. The suspect glanced back. A narrow face. Wet black hair plastered to the forehead. A grey coat flaring around thin legs. Quinn saw the bone token in his right hand. “Stop!” The man shoved through a knot of tourists outside a late-night kebab shop. One woman screamed as he knocked her shoulder. A carton of chips flew into the gutter. Quinn cut across the road behind him. A taxi swerved. Its horn punched through the rain. “Police!” The taxi driver leaned out of his window and offered her an opinion in three languages. Quinn kept moving. The suspect vaulted a waist-high barrier outside a closed boutique. His shoes skidded on the wet paving, but he recovered and ran towards a narrow alley squeezed between a shuttered launderette and a brick warehouse. Quinn followed. Her coat dragged at her arms. Rain ran beneath her collar and down her spine. Her left wristwatch knocked against bone as she drove her arms forward, the worn leather strap darkening with water. The suspect reached the alley first. Quinn saw him slap one hand against the wall. A service door opened where there had been nothing but brick. A thin seam of amber light split the darkness. The man slipped through. Quinn reached the door half a breath later and seized the handle. It felt warm. She pulled. The doorway led to a flight of concrete steps descending beneath the city. Old yellow bulbs hung from a cable along one wall. Their light flickered over mould, rust, and faded signs warning of electrical hazards. Quinn stopped at the top. Above her, London roared beneath the rain. Horns. Music. Drains swallowing water. The ordinary noise of a city that had no idea what lived under its streets. Below, something clanged. Then the suspect’s footsteps rang down the stairs. Quinn drew her pistol. “Metropolitan Police,” she called. “Come out with your hands where I can see them.” Only the echo answered. She descended. The door slammed behind her. Quinn spun, pistol raised. The alley had vanished. The service door stood in a wall of sweating concrete, but beyond its small wired window she saw only darkness. No neon. No rain. No road. She put her palm against the door. Cold metal. Her jaw tightened. She turned back to the stairs. At the bottom, the passage opened onto a disused Tube platform. A blue-and-white station sign hung over the tracks. Half the letters had peeled away, leaving a name she could not read. Black water pooled between the rails. Old adverts curled from tiled walls, their smiling faces blurred into pale, eyeless masks. The platform swarmed with people. Quinn stepped off the stairs and held her pistol close to her thigh. No one looked surprised to see her. A woman with silver teeth sold bottled thunder from a folding table. A boy no older than twelve displayed red glass beetles in a cage, each one ticking like a watch. An old man in a velvet coat balanced jars of dark liquid beneath one arm while arguing with a pair of men whose shadows moved a second behind them. The air smelled of wet stone, hot metal, herbs, and blood. Far along the platform, the suspect pushed through the crowd. Quinn caught the flash of the bone token as he lifted it above his head. A brass gate in the tiled wall swung open. She raised her voice. “Police! Clear the platform!” The market ignored her. A vendor reached for her sleeve. Quinn jerked away. “Don’t touch me.” The woman grinned. Her gums were stitched with red thread. “Then stop standing in the merchandise.” A glass bottle shattered near Quinn’s boot. Purple vapour crawled across the tiles. She stepped back and covered her mouth with her sleeve. The vapour curled around her trouser legs, cold as river water. Her vision warped. The lamps stretched into long yellow wounds. A hand seized the back of her coat. Quinn drove her elbow into the attacker’s ribs. The man folded with a grunt. He wore a butcher’s apron and held a hooked knife in one hand. His face had no eyes. Smooth skin filled the space where they should have been. Quinn brought the pistol up. “Move.” The man pressed himself against the wall. She ran. The suspect vanished through the brass gate. Quinn reached it and caught the edge before it closed. The metal burned her palm. She forced it open and slipped through. The noise of the market dropped behind her. A tunnel stretched ahead, narrow and low. Pipes crowded the ceiling. Water dripped through cracks in the concrete. The suspect’s footsteps faded around a bend. Quinn ran after him, one hand brushing the wall for balance. Her breathing stayed controlled. Three years of firearms training. Eighteen years on the job. Rain, smoke, crowds, broken doors. None of that changed the rules. A suspect fled. She followed. Still, the corridor bent in a way the station architecture could not support. The platform should have ended against the northern wall. The service tunnel should have led to the old maintenance stairs. Instead, the passage sloped down beneath the tracks and opened into a cavern lit by hanging lanterns. The suspect stood at the far end. He looked over his shoulder. Quinn saw his face clearly for the first time. He had a split lower lip and a pale scar across his brow. Water dripped from his coat, though the tunnel had no rain. “You’re making a mistake,” he called. Quinn levelled her pistol. “Put the token on the floor.” His fingers closed around the bone. “You don’t know where you are.” “I know you’re wanted for questioning.” “For what?” “Breaking into a police evidence locker. Assaulting a constable. Possession of restricted substances.” The man gave a short laugh. “That’s the story they gave you?” “You can explain it in an interview room.” “No.” He backed towards an archway cut into the rock. “I can’t.” The archway stood behind him, filled with darkness. Symbols had been scratched around its rim. Quinn recognised none of them. She took one step forward. The man lifted the token. A pulse moved through the walls. The lanterns guttered. Pipes shuddered overhead. Somewhere behind Quinn, the market erupted in a burst of shouting. She kept the pistol trained on him. “Drop it.” “You followed me from the Raven’s Nest.” Quinn’s expression hardened. “You were seen leaving the bar.” “You watched the place for six hours.” “Answer the order.” “You watched Tomás Herrera treat a man with a hole through his chest.” The suspect’s mouth twisted. “You watched him stitch the wound without anaesthetic. You watched the man walk out.” The old case file flashed through Quinn’s mind: unauthorised medical treatment, missing controlled drugs, a former paramedic who had lost his licence and continued working in the shadows. She had watched Tomás Herrera leave the Raven’s Nest three nights ago with blood on his cuffs. She had not watched anyone walk out. Not alive, at least. “Where’s Herrera?” The suspect looked towards the archway. “You’re not listening.” “I asked you a question.” “You came here because you think the people at the Nest are criminals.” He rolled the bone token across his knuckles. “That part’s true. You think they’re smuggling drugs, weapons, stolen artefacts. That part’s true as well. But you think the city ends where your files end.” Quinn moved closer. The soles of her boots scraped the stone. “I think you’re wasting time.” “You should go back upstairs.” “You first.” “You don’t have a warrant.” “I don’t need one to arrest you.” “For the market?” His voice carried through the cavern. The word seemed to settle on the wet stone. Quinn glanced past him. The dark archway showed no depth. No wall. No tunnel. Just a black surface that swallowed the lantern light. “What is this place?” The suspect’s smile disappeared. “You heard the rumours. Everyone in your department has. A market beneath Camden. A place that moved each full moon. A place where things changed hands without names, receipts, or witnesses.” “Veil Market.” He stiffened at the name. Quinn saw it. “Good,” she said. “We’re done pretending.” The suspect’s gaze shifted to the pistol. “You can’t take that down there.” “I can take it wherever I like.” “Your weapon won’t protect you.” “That’s not what it’s for.” The man looked beyond her again. Quinn turned. The brass gate stood open at the end of the tunnel. Three figures watched from the other side. The silver-toothed vendor had followed her. Beside her stood the eyeless butcher and a tall woman in a red veil. All three had stopped beneath the lanterns. The butcher’s hooked knife hung at his side. The red-veiled woman held a ledger bound in pale skin. Quinn faced the suspect again. “You brought me here.” “I ran.” “You led me.” “I ran.” “Same result.” His hand tightened around the token. The red-veiled woman spoke from the tunnel. “Bone token.” Quinn shifted her pistol towards her. “Stay where you are.” The woman tilted her head. “Visitors pay.” “She’s not a visitor,” the suspect said. The woman’s veil stirred though no air moved. “Then she has entered without permission.” Quinn’s thumb rested along the pistol frame. Her pulse beat beneath it. The old instinct urged her to take control. Identify. Contain. Call for backup. She touched the radio at her shoulder. Static hissed. “Control, this is Detective Quinn. I’m beneath—” The radio clicked off. She pressed the transmit button again. Nothing. The suspect backed through the archway. “Put the token down,” Quinn ordered. He shook his head. “Not here.” “Then I’ll take it from you.” “You don’t understand what it opens.” “Explain while you kneel.” “You’ll have to come through the market.” The red-veiled woman lifted her ledger. “Or leave.” Quinn looked behind her. The tunnel to the platform had narrowed. Its walls had crept inward, squeezing the passage until the brass gate filled most of the view. Beyond it, the market churned under the weak lamps. Faces turned towards her. Some wore human skin. Some did not. Rainwater dripped from Quinn’s coat onto the stone. She thought of the service door in the alley. The warm handle. The missing streets. The way the station had folded beneath her feet. She thought of Morris. Three years ago, her partner had entered a derelict warehouse in Deptford after a witness claimed someone had been screaming inside. Quinn had waited in the car while Morris checked the building. He had called her once. His voice had sounded distant, buried under rushing water. Then the line had gone dead. They had found his coat, his notebook, and a bloodstained torch. No body. No explanation. The department had filed the case under missing in the line of duty. Quinn had refused to let it rest. Every strange lead had bent back towards the Raven’s Nest, towards Tomás Herrera, towards people who carried impossible wounds and spoke about impossible places as though they belonged on a street map. The suspect watched her face. “You should leave,” he said. Quinn lowered her pistol by an inch. The market noises seeped through the gate: bargaining voices, metal scraping, a burst of laughter that ended in a wet choking sound. The man turned towards the dark archway. Quinn stepped forward. The red-veiled woman raised one hand. “Detective.” Quinn stopped. “Name your price,” the woman said. “I’m not buying.” “Everyone buys.” “I’m taking him into custody.” The woman’s fingers closed over the ledger. “Then enter with empty hands.” Quinn glanced at her pistol. The suspect gave a sharp, humourless smile. “You can’t bring Metropolitan Police procedure into the Veil Market.” Quinn tucked the pistol into its holster. The butcher shifted his weight. The silver-toothed vendor’s grin widened. Quinn drew her cuffs and clipped them to her belt. She checked the chamber of her pistol once, then covered it beneath her coat. “Open the gate.” The red-veiled woman moved aside. The suspect stared at Quinn. “You still have time to turn around.” Quinn walked past the brass threshold. “Keep running,” she told him. “It’ll make the arrest easier.”
created_at"2026-07-09T18:15:07.961Z" 7/9/2026, 6:15:07 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2108
moderation_latency(null)
generation_time18252
tokens_prompt1140
tokens_completion3578
native_tokens_prompt984
native_tokens_completion2841
native_tokens_completion_images0
native_tokens_reasoning156
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.01803
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0239615d62bab70a016a4fe52c0808819591f4ac78219d2a20"
is_byokfalse
latency238
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620907-uBFV8JibQl7VbvI371GB"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620907-V0eNfRRwvIOYcZT5oiDh"
upstream_id"resp_0239615d62bab70a016a4fe52c0808819591f4ac78219d2a20"
total_cost0.01803
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags10
adverbTagCount0
adverbTags(empty)
dialogueSentences75
tagDensity0.133
leniency0.267
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2085
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
73.62% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2085
totalAiIsms11
found
0
word"down her spine"
count1
1
word"flickered"
count1
2
word"footsteps"
count2
3
word"echo"
count1
4
word"velvet"
count1
5
word"shattered"
count1
6
word"pulse"
count2
7
word"churned"
count1
8
word"weight"
count1
highlights
0"down her spine"
1"flickered"
2"footsteps"
3"echo"
4"velvet"
5"shattered"
6"pulse"
7"churned"
8"weight"
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
emotionTells1
narrationSentences232
matches
0"looked surprised"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences232
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences296
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2085
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions1
matches
0"Above her, London roared beneath the rain."
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions66
wordCount1693
uniqueNames12
maxNameDensity2.6
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Soho1
Raven3
Nest3
Quinn44
London1
Tube1
Tomás2
Herrera2
Morris2
Deptford1
Rain3
Three3
persons
0"Raven"
1"Quinn"
2"Tomás"
3"Herrera"
4"Morris"
5"Rain"
places
0"Soho"
1"London"
2"Deptford"
globalScore0.201
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences137
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2085
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences296
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs209
mean9.98
std11.14
cv1.116
sampleLengths
09
153
24
317
49
51
629
77
89
91
1019
1135
122
1334
146
159
1611
179
184
1912
203
212
2236
235
2427
253
268
274
2814
294
302
315
3234
337
342
359
3611
3741
385
3913
407
4160
4211
4310
4415
459
464
474
484
499
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences232
matches
0"were stitched"
1"been scratched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs288
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences296
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1704
adjectiveStacks1
stackExamples
0"distant, buried under rushing water."
adverbCount31
adverbRatio0.018192488262910797
lyAdverbCount4
lyAdverbRatio0.002347417840375587
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences296
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences296
mean7.04
std5.12
cv0.727
sampleLengths
09
121
216
316
44
53
67
77
89
91
1013
118
128
137
143
156
161
1716
183
1910
2025
212
226
239
2419
256
269
2711
289
294
3012
313
322
3313
3410
3513
365
377
381
391
403
4115
423
438
444
454
4610
474
482
495
43.24% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats20
diversityRatio0.2939189189189189
totalSentences296
uniqueOpeners87
97.09% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences206
matches
0"Then the suspect’s footsteps rang"
1"Only the echo answered."
2"Instead, the passage sloped down"
3"Somewhere behind Quinn, the market"
4"Just a black surface that"
5"Then the line had gone"
ratio0.029
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount42
totalSentences206
matches
0"It streamed from the green"
1"Its horn punched through the"
2"His shoes skidded on the"
3"Her coat dragged at her"
4"Her left wristwatch knocked against"
5"It felt warm."
6"Their light flickered over mould,"
7"She put her palm against"
8"Her jaw tightened."
9"She turned back to the"
10"She raised her voice."
11"Her gums were stitched with"
12"She stepped back and covered"
13"Her vision warped."
14"He wore a butcher’s apron"
15"His face had no eyes."
16"She forced it open and"
17"Her breathing stayed controlled."
18"He looked over his shoulder."
19"He had a split lower"
ratio0.204
35.24% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount175
totalSentences206
matches
0"It streamed from the green"
1"The light broke across the"
2"Harlow Quinn hit the pavement"
3"The suspect glanced back."
4"A narrow face."
5"A grey coat flaring around"
6"Quinn saw the bone token"
7"The man shoved through a"
8"A carton of chips flew"
9"Quinn cut across the road"
10"A taxi swerved."
11"Its horn punched through the"
12"The taxi driver leaned out"
13"Quinn kept moving."
14"The suspect vaulted a waist-high"
15"His shoes skidded on the"
16"Her coat dragged at her"
17"Rain ran beneath her collar"
18"Her left wristwatch knocked against"
19"The suspect reached the alley"
ratio0.85
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences206
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences52
technicalSentenceCount2
matches
0"Every strange lead had bent back towards the Raven’s Nest, towards Tomás Herrera, towards people who carried impossible wounds and spoke about impossible places…"
1"The market noises seeped through the gate: bargaining voices, metal scraping, a burst of laughter that ended in a wet choking sound."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags10
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount1
fancyTags
0"Quinn ordered (order)"
dialogueSentences75
tagDensity0.093
leniency0.187
rawRatio0.143
effectiveRatio0.027
88.6620%