Run: 2026-07-09-01KX40FY94BR3YAQMYR432NK06

Run Details

Duration:
17.8s
Cost:
$0.016560
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 neon reflections into trembling green smears. Detective Harlow Quinn pushed through the crowd outside The Raven’s Nest, one hand clamped around the radio at her shoulder, the other free for her warrant card or her weapon. She had no time to choose. The man ahead had already crossed the road against the lights, shoulder-checking a cyclist and sending a spray of dirty water across a parked taxi. “Stop!” He glanced back. That was all Quinn needed. A pale, narrow face. Black hair plastered to his forehead. A dark coat flaring behind him as he ran. His eyes met hers for half a second, and the look held no panic. Only calculation. Then he vanished between two delivery vans. Quinn hit the road. A bus horn tore through the rain. She stopped short as a double-decker dragged past her, its tyres hissing through the flooded gutter. A woman with a transparent umbrella cursed as Quinn shoved by. The detective caught sight of the suspect’s coat at the far pavement, cutting left towards Brewer Street. Quinn ran after him. Her boots struck the slick paving in a steady rhythm. She kept her breathing under control, shoulders square, eyes fixed on the moving black shape. Eighteen years in the Metropolitan Police had taught her the difference between speed and pursuit. Speed burned the body. Pursuit used the city. The suspect ducked under a scaffold tunnel. Quinn followed, lowering her head as water poured from the plastic sheeting and struck her like thrown gravel. A steel pole clipped her shoulder. She ignored it. Ahead, he shoved through the rear door of a closed restaurant. Quinn reached it before it swung shut. Inside, the kitchen smelled of old oil and bleach. A cook in a white apron stood beside a stack of crates, staring at the open back door. “Which way?” The cook pointed with a trembling hand. “Through the yard.” Quinn was already moving. She burst into a narrow service yard, where bins crowded the walls and rainwater spilled from broken gutters. The suspect had climbed the iron gate at the far end. He swung one leg over the top. Quinn drew her baton. “Down!” He dropped on the other side and ran. Quinn grabbed the gate. Rust tore through her glove. She hauled herself up, landed hard, and nearly lost her footing on the wet cobbles. Her radio crackled. “Quinn, where are you?” Tomás Herrera’s voice came through beneath the static. “You left the Nest alone.” “I’m pursuing a male suspect from the rear of the bar.” “Which male suspect?” “The one who stabbed a bookmaker in front of three witnesses.” “That narrows it to half of Soho.” Quinn vaulted a stack of flattened cardboard and entered a passage between brick walls. The suspect had cut towards Old Compton Street. She saw him again beneath a streetlamp, sprinting past a row of shuttered shops. “He’s heading east,” Quinn breathed into the radio. “Keep civilians clear.” “You’re two streets from me. Pull back and wait.” “I have him.” “You have rain, poor visibility, no backup and a talent for making bad decisions.” Quinn pressed the radio down. “Then catch up.” She ran. The suspect glanced back as he reached the corner. His pace had faltered. One hand clutched his side beneath the coat. Blood darkened his fingers. Quinn gained ground. “Drop the knife!” He looked at the blade in his hand as if he had forgotten it. A narrow stiletto caught the light, its edge bright and clean despite the rain. He flung it into a doorway and turned down a steep flight of steps between two buildings. Quinn reached the stairhead. The steps descended beneath the street, slick with moss and runoff. At the bottom, a black metal door stood open. Warm amber light pulsed through the gap. Music seeped upward, a low, distorted rhythm that vibrated in her ribs. She paused for one breath. No sign marked the entrance. No CCTV camera watched the steps. The door had no handle on the outside. Quinn touched the leather watch on her left wrist. The strap had loosened during the chase. She tightened it with her thumb, then started down. “Quinn.” Tomás’s voice sharpened in her ear. “Where are you?” “Below street level.” “Below where?” “An access stairwell.” “Get out.” She reached the bottom. The door opened wider before she touched it. A woman stood on the other side, tall and thin, with silver rings stacked along every finger. Her skin had a waxy sheen. She wore a red velvet coat over a black dress and held a lantern filled with blue flame. “This entrance was closed,” the woman told Quinn. “Metropolitan Police. Step aside.” The woman’s gaze dropped to Quinn’s badge, then rose to her face. “Police don’t come here.” “Tonight they do.” Quinn pushed through. The stairwell opened into an abandoned Tube station. A cracked platform stretched beneath a vaulted ceiling, its old station tiles stained brown with age and damp. No trains ran on the tracks. Instead, stalls filled the platform and spilled across the disused line. Canvas awnings sagged above tables crowded with bottles, metal charms, teeth, folded maps and objects that moved beneath sheets of glass. The market breathed around her. Vendors called from every direction. “Moon-salt, three crowns a vial!” “Genuine Blackfriars bone—look at the grain!” “Names, debts, addresses. I trade in truths!” The air smelled of hot iron, wet stone and something sweet that caught in Quinn’s throat. Lanterns hung from the ceiling on chains, their lights shifting through blue, violet and green. Figures moved between the stalls. Some wore ordinary coats and trainers. Others had horns, scaled hands or faces hidden behind lacquered masks. Quinn saw the suspect at the far end of the platform. He pushed through the crowd, knocking over a tray of black glass beads. A vendor shrieked. The beads rolled across the tiles, each one whispering as it struck. “Police!” Quinn shouted. “Clear the platform!” The market fell silent. Not gradually. At once. Every face turned towards her. The suspect seized a man in a fur-lined coat and dragged him in front of his body. The hostage’s mouth opened, but no sound emerged. A thin gold chain ran from his lower lip to the collar of his shirt. Quinn drew her pistol. “Let him go.” The suspect’s bloodied hand tightened around the man’s throat. “You don’t belong here.” “I belong wherever I find a violent offender.” A vendor laughed from behind a stall of bottled eyes. The suspect backed towards a tiled archway at the end of the platform. Above it, an old roundel displayed a name Quinn didn’t recognise. The letters had been scraped away and painted over with a white symbol resembling a broken jaw. Tomás came through the stairwell behind her. He stopped beside the door. Rain ran from his short curls onto his olive skin. His chest rose hard from the climb, and the Saint Christopher medallion at his throat swung against his shirt. “Quinn,” he called, keeping his hands visible. “Lower the weapon.” “She’s got no jurisdiction here,” the woman in the red coat told him. Tomás ignored her. “Quinn, listen to me.” The suspect dragged his hostage another step back. “Tell your friend to leave,” he warned. “You first,” Quinn replied. The man’s eyes flicked towards the tunnel. Quinn saw the movement. She saw the fear beneath his control, the way his left foot dragged, the blood dripping from his fingers. She saw an exit, a dozen potential weapons and a crowd that had stopped breathing. Then she saw the object hanging from a cord around his neck. A small piece of bone, smooth and yellowed, carved into the shape of a clenched fist. Tomás’s expression changed. “That’s a token,” he murmured. Quinn kept her pistol trained on the suspect. “For what?” “The market.” “Then you know the way out.” “I know what happens when you enter without one.” The suspect shoved the hostage aside and ran beneath the archway. Quinn moved. She crossed the platform as the crowd broke apart. A man with a painted face swung a hooked staff at her head. She ducked. The hook scraped the wall behind her. Someone hurled a bottle that burst against a pillar, filling the air with white smoke. “Stop!” Quinn shouted. The suspect disappeared into the tunnel. Quinn charged after him. Tomás caught her sleeve. She spun, baton already in her hand. “Let go.” “You don’t have the token.” “He does.” “That’s not enough.” “Explain while we move.” The smoke thickened around them. Figures surged across the platform, forcing them apart. Quinn saw the suspect’s coat flash beneath a row of hanging charms. She tore free of Tomás and followed. The tunnel beyond the archway sloped down. The walls sweated black water. Old rails ran beneath her boots, half buried beneath white ash. Somewhere ahead, metal clanged against metal. Quinn ran into darkness. A hand grabbed her from the side. She drove her elbow back. Bone met flesh. The grip released. A face appeared in the lantern glow—a young woman with milky eyes and a mouth stitched shut with blue thread. Quinn shoved past her. “Out of my way.” The tunnel opened into a second chamber. This one held no stalls. Doors lined the walls, each one marked with a different symbol: an eye, a crown, a row of teeth, a bleeding hand. The suspect stood in the centre, his back to a rusted iron gate. The hostage had vanished. He held the bone token between two fingers. The token’s carved fist had opened. A slit of red light glowed in its palm. Quinn raised her pistol. “Hands where I can see them.” The suspect smiled through bloodied teeth. “You followed me.” “Put the token on the floor.” “You came into the Veil Market without an invitation.” “Put it down.” Tomás emerged behind her, breathing hard. He stared at the open hand carved into the bone. “Quinn, don’t cross that gate.” The suspect twisted the token. The iron gate unlocked with a deep metallic clunk. Beyond it, a staircase descended into a darkness that swallowed the lantern light. Quinn heard movement below. Not footsteps. Something heavier, dragging itself up through the dark. The suspect slipped through the gate. “Stop!” Quinn stepped forward. Tomás seized her arm again, his scarred forearm flexing beneath her grip. “Look at the door.” A black mark had appeared across the stone beside the gate. It spread in thin branching lines, cutting through the old tiles like ink through paper. “What is it?” “A boundary.” “For what?” “For the people who run this place.” The suspect reached the first step and looked back. “Detective,” he called, “you can arrest me in London.” He raised the bone token. The red light in its open palm brightened. “Here, London belongs to someone else.” Quinn watched the dark shift beneath the staircase. Her pistol remained steady, but her finger eased away from the trigger. The tunnel behind her filled with approaching voices. The market had found its breath again. Tomás leaned close. “If you go through, I can’t promise I’ll get you back.” Quinn glanced at the gate, the bone token and the blood marking the suspect’s trail down the steps. Then she looked at the way out: the crowded platform, the police badge at her belt and the rain waiting somewhere above. Her jaw tightened. “Stay here,” she ordered. Tomás’s hand tightened around her arm. “Quinn—” She pulled free and placed one boot on the first step.
created_at"2026-07-09T17:58:29.931Z" 7/9/2026, 5:58:29 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1600
moderation_latency(null)
generation_time17508
tokens_prompt1140
tokens_completion3355
native_tokens_prompt984
native_tokens_completion2596
native_tokens_completion_images0
native_tokens_reasoning112
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"
usage0.01656
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0373f7c3ebaec7c0016a4fe14604f08195b96119fde7c5f2c8"
is_byokfalse
latency247
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-1783619909-jnTDHCnRXfNgO3JLljlC"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619909-mmnPLQ7P4VX43pCwvIMA"
upstream_id"resp_0373f7c3ebaec7c0016a4fe14604f08195b96119fde7c5f2c8"
total_cost0.01656
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
totalTags13
adverbTagCount0
adverbTags(empty)
dialogueSentences70
tagDensity0.186
leniency0.371
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1933
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)
81.89% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1933
totalAiIsms7
found
0
word"pulsed"
count1
1
word"vibrated"
count1
2
word"velvet"
count1
3
word"flicked"
count1
4
word"potential"
count1
5
word"charged"
count1
6
word"footsteps"
count1
highlights
0"pulsed"
1"vibrated"
2"velvet"
3"flicked"
4"potential"
5"charged"
6"footsteps"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"clenched jaw/fists"
count1
highlights
0"clenched fist"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences192
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences192
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences249
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1931
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
34.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions65
wordCount1638
uniqueNames16
maxNameDensity2.32
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Soho1
Harlow1
Quinn38
Raven1
Nest1
Brewer1
Street2
Metropolitan1
Police1
Herrera1
Old2
Compton1
Tube1
Saint1
Christopher1
Tomás11
persons
0"Harlow"
1"Quinn"
2"Police"
3"Herrera"
4"Saint"
5"Christopher"
6"Tomás"
places
0"Soho"
1"Raven"
2"Brewer"
3"Street"
4"Metropolitan"
5"Old"
6"Compton"
globalScore0.34
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences125
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1931
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences249
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs164
mean11.77
std13.11
cv1.114
sampleLengths
014
161
21
33
440
57
64
751
84
948
1034
1111
127
1327
142
157
163
174
1836
194
201
218
2224
233
2417
2511
263
2711
287
2936
3011
319
323
3314
345
353
362
3725
383
393
4045
414
4239
435
4419
4525
4610
473
482
493
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences192
matches
0"been scraped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs277
matches
0"was already moving"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences249
ratio0.004
matches
0"A face appeared in the lantern glow—a young woman with milky eyes and a mouth stitched shut with blue thread."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1642
adjectiveStacks0
stackExamples(empty)
adverbCount38
adverbRatio0.023142509135200974
lyAdverbCount3
lyAdverbRatio0.0018270401948842874
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences249
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences249
mean7.76
std5.05
cv0.651
sampleLengths
014
130
26
325
41
53
65
74
86
99
1014
112
127
134
147
1516
1611
1717
184
1910
2015
2115
224
234
247
2518
266
273
2811
297
309
3118
322
337
343
354
3618
3711
387
394
401
418
424
435
4415
453
4612
475
4811
493
47.93% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.3092369477911647
totalSentences249
uniqueOpeners77
93.63% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences178
matches
0"Then he vanished between two"
1"Instead, stalls filled the platform"
2"Then she saw the object"
3"Somewhere ahead, metal clanged against"
4"Then she looked at the"
ratio0.028
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount38
totalSentences178
matches
0"She had no time to"
1"He glanced back."
2"His eyes met hers for"
3"She stopped short as a"
4"Her boots struck the slick"
5"She kept her breathing under"
6"She ignored it."
7"She burst into a narrow"
8"He swung one leg over"
9"He dropped on the other"
10"She hauled herself up, landed"
11"Her radio crackled."
12"She saw him again beneath"
13"His pace had faltered."
14"He looked at the blade"
15"He flung it into a"
16"She paused for one breath."
17"She tightened it with her"
18"She reached the bottom."
19"Her skin had a waxy"
ratio0.213
16.18% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount158
totalSentences178
matches
0"Detective Harlow Quinn pushed through"
1"She had no time to"
2"The man ahead had already"
3"He glanced back."
4"That was all Quinn needed."
5"A pale, narrow face."
6"A dark coat flaring behind"
7"His eyes met hers for"
8"Quinn hit the road."
9"A bus horn tore through"
10"She stopped short as a"
11"A woman with a transparent"
12"The detective caught sight of"
13"Quinn ran after him."
14"Her boots struck the slick"
15"She kept her breathing under"
16"Pursuit used the city."
17"The suspect ducked under a"
18"Quinn followed, lowering her head"
19"A steel pole clipped her"
ratio0.888
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences178
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount3
matches
0"He looked at the blade in his hand as if he had forgotten it."
1"She saw an exit, a dozen potential weapons and a crowd that had stopped breathing."
2"Beyond it, a staircase descended into a darkness that swallowed the lantern light."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags13
uselessAdditionCount0
matches(empty)
64.29% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags11
fancyCount6
fancyTags
0"Quinn breathed (breathe)"
1"Quinn shouted (shout)"
2"he warned (warn)"
3"he murmured (murmur)"
4"Quinn shouted (shout)"
5"she ordered (order)"
dialogueSentences70
tagDensity0.157
leniency0.314
rawRatio0.545
effectiveRatio0.171
87.9307%