Run: 2026-09-01-01M1EMAVHPGK3H59FSWPPJQFMB

Run Details

Duration:
2m 7s
Cost:
$0.033046
Provider:
xAI

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 rain came down in sheets over Camden, turning the pavement into a black mirror that shattered with every footfall. Detective Harlow Quinn ran through it with the same economy she had used for eighteen years, boots finding the high ground between puddles, coat flaring just enough to keep her balance. Water streamed off her closely cropped salt-and-pepper hair and traced the line of her sharp jaw before dripping onto the worn leather watch on her left wrist. She did not look at the time. She already knew. Eleven minutes since Tomás Herrera had broken cover and run. She had first marked him three hours earlier under the distinctive green neon of the Raven's Nest in Soho. The bar’s doorway had glowed like a wound in the wet night, and he had slipped out with his collar turned up, the Saint Christopher medallion at his throat catching the light for half a second. Former NHS paramedic. License revoked. The clique’s off-the-books doctor. Quinn had been circling that particular nest of rumors for months, and Herrera was the first solid thread she could pull. She had followed on foot, letting the rain and the late-hour crowds swallow her, until the streets of Camden funneled them both toward the old brick arches and he finally understood she was still there. “Herrera! Metropolitan Police! Stop!” Her voice cut through the downpour, flat and trained. He did not look back. His short curly dark brown hair was plastered dark against his skull, olive skin shining under the sodium lamps as he vaulted a low railing and dropped into a narrower street. Quinn followed without breaking stride, one hand grazing the wet metal, the other staying close to her hip. Military precision. No wasted motion. A bus hissed past and threw a sheet of filthy water across her thighs. She ignored it. Her brown eyes stayed locked on the figure ahead, tracking the pump of his left arm, the faint pale ridge of scar tissue where his sleeve had ridden up. Knife attack, the file had said. He had lived. He was living now. He cut left through a knot of tourists, clipping a shoulder, drawing a shout. Quinn was through them a heartbeat later, “Move, police,” already past. Her lungs burned with the cold, each breath a blade, but her pace never faltered. She had chased men through drier nights and worse odds. She had never chased one who seemed to know exactly which cracks in the city would open for him. Camden’s streets narrowed. The kebab shops and late stalls fell away. He was heading for the abandoned Tube station, the one the council had sealed years ago, the one the whispers called the current home of the Veil Market. It moved with the full moon. Bone tokens for entry. Enchanted goods, banned alchemical rubbish, information that got people killed. Quinn did not believe in enchanted anything. She believed in evidence and in the unexplained circumstances that had taken DS Morris three years ago, the case that still sat in a locked drawer with too many redacted pages. Herrera reached the rusted gate. A figure in a long coat stood just inside the shadow, barely visible through the rain. Something small and pale passed between them. Then the gate, which should have been chained, swung inward the width of a man’s shoulders. Herrera slipped through like water finding a crack. Quinn hit the gate three seconds later. The figure was gone. The padlock hung open, dripping. Beyond it, a set of concrete stairs descended into black, the rain turning the first few treads into a waterfall. From below came a sound that did not belong to any abandoned station: a low murmur of voices, the clink of glass or metal, a smell that cut through the wet—incense and something sharper, chemical, wrong. She stopped. Water sheeted off her coat. Her breath fogged. The worn leather of her watch band was cold against her wrist as she flexed her fingers, considering the Glock at her hip and the radio on her belt. Backup was twelve minutes out if she called it now. Twelve minutes and Herrera would be gone, swallowed by whatever waited down there. The Veil Market. It folded, moved, vanished. And with it the man who patched up wounds that should not exist. She could still hear her own pulse over the rain, a steady drum against her ribs. Morris had gone into a place like this. Or something like this. The reports had hinted at supernatural origins before the brass shut the file. She had never understood it. She still did not. She only understood that her partner had not come out, and that the clique Herrera served had been circling the edges of that case ever since. The stairs waited. Unfamiliar territory. Potentially dangerous. The kind of hole a detective with eighteen years of decorated service was not supposed to enter alone, at night, in the rain, chasing a former paramedic who asked no questions about the things that did not bleed like they should. A laugh drifted up from below, too high, too thin. Quinn’s sharp jaw tightened. She could call it in. She could wait. She could watch the market dissolve and Herrera with it, another thread snapping in the dark. She unclipped the radio. Thumb hovered. Then she let it fall back against her belt. The decision settled in her chest like a stone she had been carrying for three years. She had come this far. The rain would cover her going down the same way it had covered the chase. If she waited, the market would fold. Herrera would disappear. And the clique would keep stitching its secrets back together in the dark. She drew her weapon, checked the chamber with a practiced snap, and stepped onto the first wet stair. The dark took her, and the murmur rose to meet her, incense and chemical bite filling her lungs as the rain above became a distant, useless roar.
created_at"2026-09-01T14:00:26.439Z" 9/1/2026, 2:00:26 PM
model"x-ai/grok-4.6-20260810"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency647
moderation_latency(null)
generation_time126691
tokens_prompt888
tokens_completion2656
native_tokens_prompt1016
native_tokens_completion5169
native_tokens_completion_images(null)
native_tokens_reasoning3970
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
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origin"https://ncbench.com/"
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finish_reason"stop"
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usage0.033046
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request_id"req-1788271226-xNWOh6r3tRHAoRteVHe9"
session_id(null)
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api_type"completions"
id"gen-1788271226-YsjmB4bvfRXMJZSNWxPc"
upstream_id"a2748558-6042-9f89-9a67-836a0af9d0ff"
provider_responses
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is_byokfalse
latency646
model_permaslug"x-ai/grok-4.6-20260810"
provider_name"xAI"
status200
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provider_name"xAI"
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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
totalTags0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1003
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)
80.06% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1003
totalAiIsms4
found
0
word"shattered"
count1
1
word"footfall"
count1
2
word"traced"
count1
3
word"pulse"
count1
highlights
0"shattered"
1"footfall"
2"traced"
3"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
narrationSentences84
matches(empty)
91.84% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences84
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences85
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen41
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1002
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions0
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount996
uniqueNames15
maxNameDensity0.8
worstName"Herrera"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Camden3
Harlow1
Quinn7
Tomás1
Herrera8
Raven1
Nest1
Soho1
Saint1
Christopher1
Tube1
Veil2
Market2
Morris2
Glock1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Tomás"
4"Herrera"
5"Raven"
6"Saint"
7"Christopher"
8"Market"
9"Morris"
places
0"Soho"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences51
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1002
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences85
matches
0"understood that her"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs16
mean62.63
std36.33
cv0.58
sampleLengths
098
1120
24
3127
469
597
652
772
82
980
1076
1148
1238
1315
1459
1545
92.73% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences84
matches
0"was plastered"
1"been chained"
2"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs158
matches
0"was heading"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences85
ratio0.012
matches
0"From below came a sound that did not belong to any abandoned station: a low murmur of voices, the clink of glass or metal, a smell that cut through the wet—incense and something sharper, chemical, wrong."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1002
adjectiveStacks0
stackExamples(empty)
adverbCount25
adverbRatio0.0249500998003992
lyAdverbCount7
lyAdverbRatio0.006986027944111776
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences85
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences85
mean11.79
std9.9
cv0.84
sampleLengths
020
131
227
37
43
510
619
736
83
92
104
1121
1235
134
149
155
1631
1718
182
193
2014
213
2229
236
243
254
2614
2711
2815
2910
3019
313
328
3328
346
354
3610
377
3831
395
4016
417
4216
438
447
454
465
4720
4836
492
52.94% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.38823529411764707
totalSentences85
uniqueOpeners33
85.47% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences78
matches
0"Then the gate, which should"
1"Then she let it fall"
ratio0.026
66.15% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount30
totalSentences78
matches
0"She did not look at"
1"She already knew."
2"She had first marked him"
3"She had followed on foot,"
4"Her voice cut through the"
5"He did not look back."
6"His short curly dark brown"
7"She ignored it."
8"Her brown eyes stayed locked"
9"He had lived."
10"He was living now."
11"He cut left through a"
12"Her lungs burned with the"
13"She had chased men through"
14"She had never chased one"
15"He was heading for the"
16"It moved with the full"
17"She believed in evidence and"
18"Her breath fogged."
19"It folded, moved, vanished."
ratio0.385
43.33% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount65
totalSentences78
matches
0"The rain came down in"
1"Detective Harlow Quinn ran through"
2"Water streamed off her closely"
3"She did not look at"
4"She already knew."
5"She had first marked him"
6"The bar’s doorway had glowed"
7"The clique’s off-the-books doctor."
8"Quinn had been circling that"
9"She had followed on foot,"
10"Her voice cut through the"
11"He did not look back."
12"His short curly dark brown"
13"Quinn followed without breaking stride,"
14"A bus hissed past and"
15"She ignored it."
16"Her brown eyes stayed locked"
17"Knife attack, the file had"
18"He had lived."
19"He was living now."
ratio0.833
64.10% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences78
matches
0"If she waited, the market"
ratio0.013
48.87% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences38
technicalSentenceCount5
matches
0"The rain came down in sheets over Camden, turning the pavement into a black mirror that shattered with every footfall."
1"Enchanted goods, banned alchemical rubbish, information that got people killed."
2"She believed in evidence and in the unexplained circumstances that had taken DS Morris three years ago, the case that still sat in a locked drawer with too many…"
3"From below came a sound that did not belong to any abandoned station: a low murmur of voices, the clink of glass or metal, a smell that cut through the wet—ince…"
4"The kind of hole a detective with eighteen years of decorated service was not supposed to enter alone, at night, in the rain, chasing a former paramedic who ask…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
90.8501%