Run: 2026-10-05-01M46BFNJZZDA5S40HRYMSP087

Run Details

Duration:
1m 14s
Cost:
$0.026680
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
Herrera saw her in the reflection of the pharmacy window. Quinn caught the precise moment recognition tightened his face. His hand stopped halfway to the door. Rain slid from his short curls and ran beneath the collar of his jacket. “Tomás Herrera.” He turned. Between them, a bus shouldered through the Camden traffic, tyres hissing through standing water. “Detective,” he said. “Keep your hands where I can see them.” He held up one hand. The other stayed closed around the strap of a black medical bag. She had watched him carry that bag out of the Raven’s Nest forty minutes earlier. Watched the bookshelf swing shut behind him in the dim back corridor, where the old maps ended and the bar’s security camera conveniently stopped working. Someone inside had been bleeding. She’d found a wet red handprint on the doorframe. Now Herrera looked past her towards the junction. “Don’t,” she said. He ran. Quinn went after him before the bus had cleared her shoulder, slipping between its rear bumper and a taxi. A horn blared. Her right foot landed in a pothole hidden beneath water, sending a cold shock up her shin. “Herrera! Police!” He cut across the pavement and knocked into a man carrying takeaway cartons. Curry burst against the kerb. Herrera threw an apology over his shoulder without slowing. Quinn gained on him. Eighteen years in the Met had taught her that most runners spent everything in the first hundred metres. She kept her stride short, elbows close, saving her breath. Herrera ran like a man who knew how far he had to go. His bag struck his hip on every third step. He ducked down a service lane between a shuttered off-licence and a fried-chicken shop. Quinn followed, brushing a brick wall slick with grease. The lane stank of spoiled food. Ahead, a security light came on and turned the rain into white needles. Herrera vaulted a low barrier. Quinn planted a hand on the metal and swung her legs across. Her worn watch strap snagged on a bolt. She tore it free and landed badly, pain sparking in her knee. He was already at the far end. “Stop running!” “You need to leave me alone.” His voice carried back clearly enough. Not winded yet. She reached the end of the lane as he crossed a narrow street. A cyclist swerved around him, shouting. Herrera plunged through a gap in corrugated fencing. Quinn stopped at the gap. Beyond it lay a demolition site: broken masonry, a small excavator, weeds growing through strips of concrete. A boarded frontage stood at the back, its faded tiles suggesting an old station entrance. There was no light inside. She touched her radio. “Control, Quinn. Foot pursuit, male suspect, dark jacket, medical bag. Entering a disused site off—” Static snapped in her ear. She tried again. “Control, do you receive?” Three clicks. Then a thin, wavering tone. Her fingers stayed on the transmit button. She had heard that sound before. Three years ago, in a basement in Bethnal Green, Morris had called her name through a radio that should have worked. There had been three clicks, a tone, and then nothing. They found his body behind a locked fire door. The inquiry had used phrases such as equipment failure and acute cardiac event. Quinn lowered her hand. A light moved behind the old frontage. She stepped through the fence. Rain drummed on the excavator’s cab. The ground sucked at her shoes. At the station entrance, one plywood panel hung loose from a chain. Herrera had squeezed behind it. She pulled her torch and eased the panel aside. A staircase fell into darkness. Old green tiles lined the walls, some missing, others glazed with moisture. A fresh cable ran down the handrail. Somewhere below, a generator throbbed. Not abandoned, then. “Police,” she called. “Herrera, stay where you are.” His footsteps quickened. She took the stairs. At the first landing, a steel door stood open. At the second, the air changed. The smell of rain and concrete gave way to hot oil, incense and something sharp enough to sting her nose. Voices rose from below. Dozens of them. Herrera stood at the bottom of the final flight, talking to a man seated beside an iron gate. The man wore an immaculate grey suit and had a newspaper folded across his lap. His bare feet rested on the cold tiles. Herrera pressed a small white object into his palm. The seated man examined it, then opened the gate. Quinn came down the last steps fast. “Hold that gate.” Herrera turned. His warm brown eyes flicked to the man in the chair. “Don’t let her through.” The gate slammed between them. Quinn caught the bars with both hands. Beyond Herrera lay a platform crowded with stalls. Bare bulbs hung over awnings striped with damp. People moved beneath them, carrying parcels and trays, bargaining in voices that overlapped with the clatter of metal on stone. Herrera backed away. “If you keep following me,” he said, “I can’t help you.” “Then stop.” “I have someone waiting.” “The person whose blood I found at the Raven’s Nest?” He looked towards the platform. “Are they alive?” she demanded. “Yes.” “What did you do to them?” “I’m trying to keep them that way.” He turned and disappeared into the crowd. Quinn rattled the gate. The man in the grey suit unfolded his newspaper. “Open it,” she said, showing her warrant card. He gave it a brief glance. “That won’t do.” “Your name.” “No.” She held his gaze. He appeared to be about sixty, with neat white hair and pale, heavily freckled hands. Nothing remarkable except the bare feet, and the faint grey dust falling from the newspaper each time he touched it. “I’m pursuing a suspect. Obstructing a police officer—” “Requires a bone token.” He said it as if correcting a fare. Quinn looked past him. A woman crossed the platform carrying a cage covered in blue cloth. Something inside spoke in a child’s voice. “Please don’t take me home.” The woman struck the cage with her knuckles. Quinn felt the cold climb under her wet collar. A blackboard hung beside the gate. VEIL MARKET. Beneath it, in smaller chalk letters: NEXT MOON, NEW ADDRESS. SETTLE ALL DEBTS BEFORE DEPARTURE. She had seen the name once, in Morris’s notebook. Two words circled hard enough to tear the paper. At the time she’d taken it for a pub, or a dealer’s joke. The man turned a page. “Where do I get a token?” “Usually from someone who wishes you to enter.” “Usually?” He glanced at the stairs behind her. A woman in a yellow raincoat was descending, carrying a cloth shopping bag. She stopped when she saw Quinn’s warrant card. Her eyes went to the gate, then back up the stairs. “Evening,” Quinn said. The woman retreated a step. “Police. I need to speak to you.” “No, thank you.” She turned to run. Quinn caught her sleeve. The woman jerked away, leaving the detective with a fistful of yellow fabric. Something small struck the stair and bounced against Quinn’s shoe. The woman fled upwards, one sleeve flapping loose. Quinn bent. The object was a flat disc, yellow-white, with a hole drilled through its centre. Bone, or a convincing imitation. There were marks cut around the rim too fine for her to read. She held it out. The gatekeeper looked at the torn sleeve in her other hand. “That wasn’t freely given.” “It was dropped.” After a moment, he took the disc. His thumb passed over its carved edge. The latch lifted. Quinn stayed where she was. Her radio was dead. No one knew precisely where she had gone. She had a torch, a baton and a canister of spray. Below her, an illegal market occupied a station absent from the maps on her phone. A suspect waited somewhere inside it—or perhaps had already found another way out. She could return to the street. Call for units. Establish a cordon. Then she looked again at the blackboard. NEXT MOON, NEW ADDRESS. Morris had died alone while she waited outside for someone to authorise entry. “Does this place have another exit?” she asked. “Yes.” “Where?” “You should have asked before paying.” She stepped through the gate. It closed softly behind her. The nearest stall displayed surgical instruments laid out on red velvet. Some were ordinary enough: clamps, forceps, scalpels. Others curved into shapes she couldn’t assign a purpose to. A glass jar stood beside them, holding a dark mass that contracted as she passed. She kept moving. People noticed her. Conversations faltered. A broad man with a gold tooth pulled a shutter down over his stock. Two children ducked beneath a table. Farther along, a vendor continued pouring a silver liquid between bottles, his hands perfectly steady. She found Herrera by the scar on his left forearm. His jacket was off. He stood behind a stall hung with stained canvas, sleeves rolled, bending over a narrow table. A Saint Christopher medallion swung against his chest. “Step away,” Quinn said. He didn’t look up. “Put those on.” A box of examination gloves sat at the table’s edge. She drew her baton. “Herrera.” He raised his head. “You can arrest me in two minutes. If you interrupt me now, she dies.” On the table lay a young woman in a soaked jumper. Her face had the waxy pallor Quinn knew from road accidents. A compress beneath Herrera’s hand was saturated with blood. The woman’s eyes opened. There was something wrong with them. The pupils stretched sideways, narrowing against the lamplight. Quinn stared for half a second, then looked at the wound. Blood was blood. She put the baton away and pulled on the gloves. “What do you need?” “Pressure here. Hard. Don’t let go when she moves.” Quinn took his place over the compress. Heat seeped through the latex. Herrera reached into his bag and brought out a syringe filled with amber fluid. “What is that?” “Something that works.” “That answer cost you your licence.” His mouth tightened. “Yes.” He injected it beneath the woman’s collarbone. Her back arched. Quinn leaned her weight onto the compress, holding her down as she convulsed. The market had gone quiet around them. “Who did this?” Quinn asked. Herrera checked the woman’s pulse. “Someone looking for a man who died three years ago.” Her hands nearly slipped. “Name.” He met her eyes. “Morris.” A shutter banged somewhere behind her. Herrera looked past Quinn’s shoulder. His expression changed. “Keep pressing.” She turned her head just enough. At the far end of the platform stood a man in a dark overcoat. The crowd had cleared a space around him. Rainwater dripped steadily from his cuffs onto the dry floor. She knew the coat. She had helped Morris choose it on a lunch break, had mocked him for spending half a month’s pay on something he would ruin at a crime scene. The man lifted his face. Quinn’s breath stopped. Morris looked exactly as he had in the mortuary, right down to the split in his lower lip. Then he smiled. Beneath her palms, the injured woman began to struggle. “Don’t answer him,” Herrera whispered. The man at the end of the platform opened his mouth. “Harlow,” he said. “I’ve been trying to get you down here.”
created_at"2026-10-05T15:38:56.999Z" 10/5/2026, 3:38:56 PM
model"openai/gpt-6.1-sol-20260929"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency10800
moderation_latency(null)
generation_time74343
tokens_prompt888
tokens_completion2967
native_tokens_prompt810
native_tokens_completion2506
native_tokens_completion_images0
native_tokens_reasoning55
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"
usage0.02668
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791214737-R87RuESxU33Rlmg8aGpM"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791214737-ENMh4XpMLo7WvNNQV8ek"
upstream_id"resp_030ee06d5d12dc28016ac3c49122b087d1a67999cf8df91ed1"
provider_responses
0
endpoint_id"dfb9d5c3-63f9-4263-8b78-4fa97dcb3d5e"
id"resp_030ee06d5d12dc28016ac3c49122b087d1a67999cf8df91ed1"
is_byokfalse
latency574
model_permaslug"openai/gpt-6.1-sol-20260929"
provider_name"OpenAI"
status200
total_cost0.02668
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
totalTags12
adverbTagCount0
adverbTags(empty)
dialogueSentences58
tagDensity0.207
leniency0.414
rawRatio0
effectiveRatio0
92.08% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1895
totalAiIsmAdverbs3
found
0
adverb"precisely"
count1
1
adverb"softly"
count1
2
adverb"perfectly"
count1
highlights
0"precisely"
1"softly"
2"perfectly"
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)
76.25% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1895
totalAiIsms9
found
0
word"wavering"
count1
1
word"throbbed"
count1
2
word"footsteps"
count1
3
word"quickened"
count1
4
word"flicked"
count1
5
word"remarkable"
count1
6
word"velvet"
count1
7
word"weight"
count1
8
word"pulse"
count1
highlights
0"wavering"
1"throbbed"
2"footsteps"
3"quickened"
4"flicked"
5"remarkable"
6"velvet"
7"weight"
8"pulse"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences208
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences208
filterMatches(empty)
hedgeMatches
0"appeared to"
1"began to"
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
repeatedSegmentCount0
maxSentenceWordsSeen28
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1894
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions16
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions57
wordCount1651
uniqueNames11
maxNameDensity1.57
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Camden1
Raven1
Nest1
Herrera18
Met1
Bethnal1
Green1
Morris5
Quinn26
Saint1
Christopher1
persons
0"Raven"
1"Herrera"
2"Morris"
3"Quinn"
4"Saint"
5"Christopher"
places
0"Camden"
1"Bethnal"
globalScore0.713
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences126
glossingSentenceCount1
matches
0"as if correcting a fare"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1894
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences254
matches
0"carry that bag"
1"heard that sound"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs168
mean11.27
std12.04
cv1.068
sampleLengths
010
130
22
316
43
58
617
754
88
93
102
1139
122
1327
144
1541
169
1742
185
1932
207
212
226
239
2427
255
2637
274
2815
295
307
317
327
336
3453
354
367
375
3829
399
4029
413
428
433
444
4535
467
4741
489
499
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences208
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs298
matches
0"was descending"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences254
ratio0.004
matches
0"A suspect waited somewhere inside it—or perhaps had already found another way out."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1655
adjectiveStacks0
stackExamples(empty)
adverbCount43
adverbRatio0.025981873111782478
lyAdverbCount10
lyAdverbRatio0.006042296072507553
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
mean7.46
std4.68
cv0.628
sampleLengths
010
19
27
314
42
52
614
73
88
95
1012
1115
1225
135
149
158
163
172
1819
193
2017
212
2213
235
249
254
2618
2710
2813
299
3014
319
326
3313
345
3512
368
3712
387
392
406
416
423
4313
446
458
465
4717
4815
495
52.62% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.3228346456692913
totalSentences254
uniqueOpeners82
70.18% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences190
matches
0"Then a thin, wavering tone."
1"Somewhere below, a generator throbbed."
2"Then she looked again at"
3"Then he smiled."
ratio0.021
89.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount62
totalSentences190
matches
0"His hand stopped halfway to"
1"He held up one hand."
2"She had watched him carry"
3"She’d found a wet red"
4"Her right foot landed in"
5"He cut across the pavement"
6"She kept her stride short,"
7"His bag struck his hip"
8"He ducked down a service"
9"Her worn watch strap snagged"
10"She tore it free and"
11"He was already at the"
12"His voice carried back clearly"
13"She reached the end of"
14"She touched her radio."
15"She tried again."
16"Her fingers stayed on the"
17"She had heard that sound"
18"They found his body behind"
19"She stepped through the fence."
ratio0.326
60.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount152
totalSentences190
matches
0"Herrera saw her in the"
1"Quinn caught the precise moment"
2"His hand stopped halfway to"
3"Rain slid from his short"
4"He held up one hand."
5"The other stayed closed around"
6"She had watched him carry"
7"Someone inside had been bleeding."
8"She’d found a wet red"
9"Quinn went after him before"
10"A horn blared."
11"Her right foot landed in"
12"He cut across the pavement"
13"Curry burst against the kerb."
14"Herrera threw an apology over"
15"Quinn gained on him."
16"She kept her stride short,"
17"Herrera ran like a man"
18"His bag struck his hip"
19"He ducked down a service"
ratio0.8
26.32% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences190
matches
0"Now Herrera looked past her"
ratio0.005
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount1
matches
0"A glass jar stood beside them, holding a dark mass that contracted as she passed."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount2
fancyTags
0"she demanded (demand)"
1"Herrera whispered (whisper)"
dialogueSentences58
tagDensity0.207
leniency0.414
rawRatio0.167
effectiveRatio0.069
90.5642%