Run: 2026-10-05-01M46B6C7GNE51JKAV8XA8BBM3

Run Details

Duration:
1m 24s
Cost:
$0.029090
Provider:
OpenAI

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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> 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.

Model response

AI
The man came out of the pharmacy carrying a white insulated case and saw Quinn across the road. For a moment, neither moved. Rain rattled against the pharmacy shutter as it descended behind him. His right hand tightened on the case handle. “Tomás Herrera,” she called. “Stay where you are.” He ran. Quinn stepped into the road. A taxi braked hard enough to skid, its horn cutting through the rain. She cleared its bonnet and caught sight of Herrera turning north, his trainers throwing water from the pavement. “Police. Stop.” He didn’t look back. She had spent six nights watching him come and go from the Raven’s Nest in Soho. Sometimes he carried a medical bag. Sometimes he left through the bar’s rear entrance with people who needed help walking. Tonight he had gone to a closed pharmacy in Camden, entered through a side door, and emerged twelve minutes later with something its owner had denied possessing. The owner was upstairs now, if he was still where she had left him. Sitting at his kitchen table. Waiting for her colleague to arrive. Quinn touched the radio clipped beneath her jacket. “Suspect running north on Camden High Street. Herrera, male, twenty-nine, dark jacket, white medical carrier. I’m in pursuit.” Static answered. Then a clipped acknowledgment. Ahead, Herrera slipped between two women sharing an umbrella. Quinn took the gap a second later, shoulder brushing wet nylon. Her shoes had grip enough for ordinary pavement, not the polished black slabs outside the shops. She shortened her stride. Forty-one wasn’t old. Forty-one was old enough to know exactly what a fall would cost. Herrera glanced back. Streetlight caught his olive face and the small medallion bouncing at his throat. He looked frightened, but not in the usual way. Not measuring the distance to her. Looking past her. Quinn checked behind as she ran. A bus lumbered through standing water. A cyclist swore at it. Nothing else. Herrera turned into a narrow service lane. She reached the corner and stopped before committing herself. Brick walls. Wheelie bins. A fire escape zigzagging overhead. At the far end, a security lamp illuminated a steel door standing open. Herrera disappeared through it. Quinn drew her torch. “Suspect entering a service building off the high street. East side. Steel door, no number.” “Repeat location.” She repeated it, then crossed the lane with her free hand close to her baton. The door opened into a disused ticket office. She knew it from the slope of the floor and the tiled walls under flaking paint. The counter windows had been boarded from the inside. Old advertising frames held brown rectangles of paste. Water trickled down one wall into a bucket that had overflowed long ago. At the back, Herrera stood beside a gate blocking a stairwell. A woman sat on a stool in front of it. She wore a red wool coat and had an open ledger on her knees. No security badge, no phone, no apparent surprise at a breathless man arriving with a detective behind him. Herrera held something out. The woman inspected it, then moved her foot. The gate clicked open. “Don’t let her through,” Herrera said. “Then you shouldn’t have brought her.” He plunged down the stairs. Quinn reached the gate before the woman could shut it and put her shoe against the bottom rail. “Metropolitan Police. Move aside.” The woman looked at her warrant card without leaning forward. “Token.” “You’re obstructing an officer.” “And you’re letting the rain in.” Quinn tried the gate. It had settled against her shoe, but it would go no farther. The woman wasn’t touching it. There was no visible motor or hydraulic arm. Below, Herrera’s footsteps receded. Other sounds rose to meet them: voices, metal striking metal, a burst of laughter. Warm air carried the smell of frying oil and something medicinal. An illegal market. There had been references in seized messages, always vague. The Veil Market. A place that changed premises, where buyers paid for substances the lab couldn’t identify. “Who operates this site?” “Token,” the woman repeated. Quinn shifted her torch to the woman’s hands. Bare fingers rested on the ledger. Beside one thumbnail lay a small white disc. She had seen one before. Three years earlier, a disc like it had been found in Morris’s coat pocket. Not logged with his possessions. Not mentioned in the initial report. She had discovered it herself when his widow asked her to collect his things from the station. Bone, according to the specialist she had consulted privately. Animal or human, impossible to say without destroying it. Cut smooth and marked with three shallow grooves. She still carried it. A foolish habit. She could admit that much. The token lived in the zipped pocket of her warrant-card holder, together with a photograph she never took out at work. Quinn withdrew it. For the first time, the woman’s expression changed. “Where did you get that?” “From a dead police officer.” The woman closed the ledger. Downstairs, something heavy struck the floor. The voices stopped, then resumed at a lower pitch. Quinn kept her shoe against the gate. “What’s down there?” “Tonight? The market.” “And Herrera?” “Trying to keep an appointment.” She had no warrant for this building. She could justify entry in pursuit, but she had no reliable communication, no immediate support, and no idea how many exits lay below. The sensible course was to hold the door, get officers around the block, and make the place someone else’s surprise. Then she pictured Morris’s hands. There had been no bruises on his body. No stab wounds, no ligature marks. Just his fingernails torn down to the quick, as though he had spent his last minutes trying to open something. The woman watched her with an unpleasant patience. Quinn raised her radio. “I’m at an access stairwell to a disused Underground site. Suspect has descended. Request immediate assistance.” No acknowledgment came. She tried again. The woman nodded at the handset. “That won’t help below.” Quinn looked into the stairwell. An amber light burned beyond the first turn. “Take your foot out,” the woman said. “You can still leave.” Quinn put the bone disc on the ledger. The gate released. She caught it before it swung into her face and went down. The stairs were steep and slick, worn into shallow hollows by feet far older than hers. Her torch picked out cables stapled along the ceiling. Somewhere beneath her, machinery hummed. After two flights, she reached a landing with a tiled sign partly obscured by black mould. The station name had been scraped away. Another flight led to the platform. She stopped at the bottom. Stalls filled the length of it, packed under strings of bare bulbs. Copper pans hung above a food counter. Glass jars stood in ranks on velvet-covered tables, their contents shifting when she looked directly at them. A man in a butcher’s apron folded banknotes with fingers too long for his hands. Perhaps extensions. A costume. She made herself look elsewhere. Across the tracks, more traders occupied the opposite platform. Planks bridged the gap. The rails were buried under sacks, crates, and muddy water. At the far end, a signal showed a steady red. No one hurried. No one looked surprised to see her. That was worse than panic. Herrera’s dark head moved beyond a stall draped with strips of yellow cloth. Quinn stepped onto the platform. A hand caught her sleeve. “Don’t shine that in people’s faces.” The speaker was an elderly man behind a tray of rings. His eyes were filmed white. He released her before she could pull away. She lowered the torch, leaving it on. “Herrera.” He heard her. She saw his shoulders rise. Then he pushed through a curtain behind the yellow-cloth stall. Quinn followed, passing a chalkboard that read FEVER TAKEN, MEMORY BOUGHT. A woman seated beneath it held a glass bowl in her lap. Inside the bowl lay a small, wet thing that knocked against the rim. A trick, Quinn thought. Every place had its theatre. She drew aside the curtain. Herrera stood in a narrow storage alcove, setting the insulated case on a metal table. His jacket was open. The sleeves of his shirt had been rolled back, exposing the long scar along his left forearm. On the floor beside him lay a boy of about sixteen. The boy’s lips were grey. A woman knelt with his head in her lap, pressing a folded coat against his chest. Blood had soaked through her fingers. Herrera looked up. “Close that.” Quinn left the curtain open. “Step away from the case.” “He’ll die.” “Then we call an ambulance.” “You think I haven’t thought of that?” He flipped the catches. Quinn caught his wrist before he could open the lid. He didn’t fight her. He looked down at her hand, then at the boy. “Please.” Behind her, conversation faltered. She heard someone say, very quietly, “Collector.” Herrera went still. A man had appeared at the entrance to the alcove. Quinn hadn’t heard him approach. He wore a charcoal suit and no overcoat. His shoes were dry. “Mr Herrera,” he said. “You’re late.” Quinn released Herrera and turned enough to keep both men in view. “Police. Stay back.” The man glanced at her warrant card, still hanging from its holder against her chest. “Of course.” Herrera opened the case. Inside, six slim glass ampoules rested in moulded foam. Five were clear. The sixth held a dark red liquid. The man in the suit took one step forward. “That belongs to me.” Quinn extended her left arm, blocking him. “You’ll wait.” His eyes moved to her wrist. To the worn leather watch. “Did Morris give you that?” For a second she heard nothing else. Not the boy’s shallow breathing, not the market, not Herrera breaking the neck of an ampoule. She had bought the watch herself, eleven years ago. Morris had borrowed it once when his own broke. He had worn it on the night he died. “How do you know that name?” The man smiled faintly. Herrera pressed a syringe into the ampoule and drew up the red liquid. “Quinn,” he said. “Don’t let him touch you.” The suited man reached for her arm. She stepped back and brought her baton out in one movement. “Hands where I can see them.” He stopped with his fingers spread. There was something dark beneath his nails. “Morris was more polite.” Quinn struck his wrist. The impact should have made him recoil. She felt it travel up her arm, hard enough to jar her teeth. He looked at the baton, then at her. Behind her, the boy gasped. The man’s head turned sharply. Herrera had the syringe in the boy’s arm. The woman bent over him, sobbing once, a harsh sound she seemed to bite off. Quinn hit the suited man again, this time across the knee. His leg folded. She seized the hanging curtain and dragged it down over his head, driving him sideways into the stall’s timber frame. Wood cracked. Someone outside shouted. “Herrera. Move.” He hauled the boy upright. The woman took the boy’s other side. His feet scraped the floor, then found purchase. The man beneath the curtain stood. Not struggled up. Stood, with the fabric still wrapped around his face. Quinn backed away. “Which way?” Herrera pointed past the metal table. A low maintenance door stood behind stacked cartons. “Through there. Left at the pipes.” “Go.” He pulled the cartons aside. Quinn kept her baton raised until all three had ducked through, then followed them into darkness. The door had a bolt. She slid it home. A moment later, a fingertip tapped the other side. Once. Quinn switched off her torch. Ahead, Herrera breathed hard. The boy was coughing now, wet, painful coughs. Alive. Her radio crackled against her ribs. “Quinn? Confirm your location.” She pressed the transmit button, then stopped. From behind the door came Morris’s voice. “Harlow. Open up.” She knew the voice. Knew the tired softness he used when they were alone in the car at the end of a shift. Her hand tightened around the radio until the casing creaked. Herrera whispered, “Keep walking.” Quinn switched her torch back on and aimed it at him. “You’re still under arrest.” He nodded, too quickly. “That’s fine.” Behind the door, Morris knocked again. Quinn took hold of Herrera’s sleeve and followed him deeper into the tunnel.
created_at"2026-10-05T15:33:52.503Z" 10/5/2026, 3:33:52 PM
model"openai/gpt-6.1-sol-20260929"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8566
moderation_latency(null)
generation_time83862
tokens_prompt888
tokens_completion3400
native_tokens_prompt810
native_tokens_completion2747
native_tokens_completion_images0
native_tokens_reasoning78
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"
usage0.02909
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791214432-BTamf89bMvZbEpYsa7Yq"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791214432-461eOaOnZnOMfj0GvdQj"
upstream_id"resp_08f47b44b82da51f016ac3c360997887d18ae4d272be024c77"
provider_responses
0
endpoint_id"dfb9d5c3-63f9-4263-8b78-4fa97dcb3d5e"
id"resp_08f47b44b82da51f016ac3c360997887d18ae4d272be024c77"
is_byokfalse
latency341
model_permaslug"openai/gpt-6.1-sol-20260929"
provider_name"OpenAI"
status200
total_cost0.02909
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags8
adverbTagCount0
adverbTags(empty)
dialogueSentences54
tagDensity0.148
leniency0.296
rawRatio0
effectiveRatio0
92.77% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2074
totalAiIsmAdverbs3
found
0
adverb"very"
count1
1
adverb"sharply"
count1
2
adverb"quickly"
count1
highlights
0"very"
1"sharply"
2"quickly"
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)
95.18% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2074
totalAiIsms2
found
0
word"footsteps"
count1
1
word"velvet"
count1
highlights
0"footsteps"
1"velvet"
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
narrationSentences234
matches
0"looked surprised"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences234
filterMatches
0"look"
1"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences280
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen27
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2074
ratio0
matches(empty)
97.22% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions1
matches
0"Ahead, Herrera breathed hard."
71.71% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions62
wordCount1852
uniqueNames9
maxNameDensity1.57
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Quinn29
Herrera22
Raven1
Nest1
Soho1
Camden1
Veil1
Market1
Morris5
persons
0"Quinn"
1"Herrera"
2"Morris"
places
0"Raven"
1"Soho"
globalScore0.717
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences140
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2074
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences280
matches
0"admit that much"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs176
mean11.78
std11.31
cv0.96
sampleLengths
018
124
28
32
436
52
64
763
825
98
1018
116
1240
1315
1431
153
1619
177
1831
194
204
2115
222
2315
248
2546
2611
2710
2832
294
3012
316
326
335
3418
354
3610
371
384
396
4029
4129
4229
434
444
4522
465
4714
4854
494
96.27% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences234
matches
0"been boarded"
1"been found"
2"been scraped"
3"were buried"
4"were filmed"
5"been rolled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs349
matches
0"wasn’t touching"
1"was coughing"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences280
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1857
adjectiveStacks0
stackExamples(empty)
adverbCount56
adverbRatio0.030156165858912225
lyAdverbCount9
lyAdverbRatio0.004846526655896607
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences280
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences280
mean7.41
std4.7
cv0.634
sampleLengths
018
15
211
38
44
54
62
75
813
918
102
114
1216
136
1414
1527
1614
175
186
198
2018
212
224
239
2411
2516
264
273
2812
293
3013
319
326
333
346
356
365
372
387
399
402
412
425
4313
444
454
4615
472
4815
498
53.33% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.3392857142857143
totalSentences280
uniqueOpeners95
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences219
matches
0"Sometimes he carried a medical"
1"Sometimes he left through the"
2"Then a clipped acknowledgment."
3"Then she pictured Morris’s hands."
4"Just his fingernails torn down"
5"Somewhere beneath her, machinery hummed."
6"Then he pushed through a"
ratio0.032
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount55
totalSentences219
matches
0"His right hand tightened on"
1"She cleared its bonnet and"
2"He didn’t look back."
3"She had spent six nights"
4"Her shoes had grip enough"
5"She shortened her stride."
6"He looked frightened, but not"
7"She reached the corner and"
8"She repeated it, then crossed"
9"She knew it from the"
10"She wore a red wool"
11"He plunged down the stairs."
12"It had settled against her"
13"She had seen one before."
14"She had discovered it herself"
15"She still carried it."
16"She could admit that much."
17"She had no warrant for"
18"She could justify entry in"
19"She tried again."
ratio0.251
85.57% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount164
totalSentences219
matches
0"The man came out of"
1"Rain rattled against the pharmacy"
2"His right hand tightened on"
3"Quinn stepped into the road."
4"A taxi braked hard enough"
5"She cleared its bonnet and"
6"He didn’t look back."
7"She had spent six nights"
8"Tonight he had gone to"
9"The owner was upstairs now,"
10"Quinn touched the radio clipped"
11"Quinn took the gap a"
12"Her shoes had grip enough"
13"She shortened her stride."
14"Herrera glanced back."
15"Streetlight caught his olive face"
16"He looked frightened, but not"
17"Quinn checked behind as she"
18"A bus lumbered through standing"
19"A cyclist swore at it."
ratio0.749
22.83% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences219
matches
0"To the worn leather watch."
ratio0.005
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences67
technicalSentenceCount2
matches
0"She cleared its bonnet and caught sight of Herrera turning north, his trainers throwing water from the pavement."
1"Just his fingernails torn down to the quick, as though he had spent his last minutes trying to open something."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount0
matches(empty)
94.44% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount3
fancyTags
0"the woman repeated (repeat)"
1"She heard (hear)"
2"Herrera whispered (whisper)"
dialogueSentences54
tagDensity0.148
leniency0.296
rawRatio0.375
effectiveRatio0.111
93.6440%