Run: 2026-07-08-01KX1KE344MBGENVK2HHD5HJEF

Run Details

Duration:
1m 8s
Cost:
$0.021220
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
Rain hammered the Camden streets into a slick black sheen that threw back every streetlamp and neon flicker like shattered glass. Detective Harlow Quinn drove through the downpour with military precision, boots slamming puddles into silver spray, breath tearing raw in her throat. Ahead of her, the suspect darted between parked cars and late-night stragglers, a dark-haired blur with the long, easy stride of a man half her age who still underestimated how long she could run. Her closely cropped salt-and-pepper hair lay plastered to her scalp. Water streamed off her sharp jaw and into the collar of her coat. The worn leather strap of her watch bit into her left wrist with every swing of her arm; she did not need to glance at it to feel the ragged minutes burning. Eighteen years on the job, three of them haunted by a partner’s unfinished file, and still her body moved through the chase like a well-oiled machine. DS Morris had taught her that. Morris had also died beneath a different stretch of London pavement under circumstances the reports still called unexplained. Quinn did not believe in unexplained. The man—Herrera, Tomás Herrera, former NHS, unlicensed cutter of last resort for people who preferred not to visit proper hospitals—cut left hard into a narrow passage between a shuttered bookshop and a kebab van whose grease-fogged windows glowed amber. Quinn took the corner low, coat flaring, and nearly lost her footing on the wet cobbles. She caught herself with a palm against cold brick, shoved off, and kept the distance from closing further. Rain hissed against her face. Somewhere above, a train rumbled over a bridge and the vibration traveled up through the soles of her boots. Herrera glanced back once. In the spill of a security light she saw warm brown eyes wide with calculation, olive skin inset by dark curls matted to his forehead, and the dull glint of a medallion bouncing against his chest. Saint Christopher. The irony was not lost on her. He had a pale scar running the length of his left forearm; she knew that scar from the photographs in the file, knife mark from an earlier life he preferred no one examine. He vaulted a low railing without breaking stride and dropped into a service alley that smelled of rotten vegetables and wet cardboard. Quinn vaulted after him. Her shoulder clipped the railing. Pain flared and she ignored it. The alley funnelled them toward the rear of Camden Market’s quieter edges, past shuttered stalls and dumpsters overflowing with yesterday’s debris. The rain softened the city’s edges but sharpened sound: the slap of his trainers, the heavier thud of her own steel-toes, the distant wail of a siren that might have been responding to anything except this. He was heading for the Tube lines. Or what remained of them. Quinn’s blood ran colder than the rain when she realized that. She had read the fringe reports, the ones that never made the official briefings. An abandoned station somewhere beneath the northern reaches of Camden, a place that moved or was said to move after every full moon, reachable only with a bone token she had never held and never wanted to. The Veil Market. Enchanted junk, banned powders, information bought in blood or worse. She had dismissed most of it until Morris. Until the night the walls of that hospital storeroom had whispered and the temperature had dropped twenty degrees in as many seconds and her partner had looked at her with eyes that no longer belonged to him. Unexplained. Right. Herrera charged down a flight of concrete steps half-hidden behind a graffiti-tagged hoarding. The metal gate that should have been locked hung askew on a single hinge. He slipped through like smoke. Quinn followed without hesitation, coat snagging for half a second on twisted wire. Then she was descending, shoulders brushing damp walls that smelled of old piss and darker things. The rain above faded to a distant roar. Below her, Herrera’s footsteps echoed irregular and fast. At the bottom the tunnel branched. Emergency lighting—ancient fluorescent tubes that buzzed and flickered—cast everything in a sickly intermittent green. He went left. She went left. Water dripped from the curved ceiling and struck the rails of a track that had not carried passengers in decades. Rats scattered. Quinn’s hand found the grip of her extendable baton without conscious thought, then left it. Drawing steel in the dark when she could not yet see what else shared the space felt like inviting history to repeat. The station platform opened before her like a wound. Poster frames still clung to the tiled walls, their paper long peeled to gray ghosts. Across the dead tracks a second platform waited, and on that far side a door stood propped open by a brick. Light spilled out—not electric, not entirely. A warm, murmuring, gold-and-violet light that throbbed like a heartbeat. Music drifted through it, something with too many minor keys and a rhythm that sat wrong in the chest. Voices. Barter. Laughter that sounded slightly off, as if the throats making it were not quite human. Herrera was already across the tracks, leaping with the sure-footed ease of a man who had done this more than once. He hit the opposite platform, snagged the medallion that swung free, and vanished through the lit doorway. The door began to swing shut behind him, leisurely, as if whatever waited inside knew she was there and wanted her to choose. Quinn stood on the edge of the platform, chest heaving, rainwater still streaming from her coat to pool around her boots. Between her and that door lay the third rail, cold now, and then ten meters of open concrete that belonged wholly to someone else’s world. She checked her watch by force of habit—eleven forty-three—and felt the leather strap tug against skin gone clammy. Her brown eyes stayed fixed on the seepage of strange light. Military bearing kept her spine locked straight, but something older and meaner prowled behind her ribs. Morris’s last words had not been words. She could radio in. Call for backup that would arrive too late saying all the right phrases about securing the scene and leaving the weirdness to other departments that did not exist. Or she could turn around, climb back into the rain, and lose Herrera for good, along with whatever answers he carried about the clique she knew was bleeding this city dry one quiet deal at a time. The Veil Market did not appear on any grid she trusted. Bone tokens. Banned substances. Things that walked and talked and sold futures they had ripped from heavier places. The door was almost shut. A woman laughed somewhere inside, the sound high and bright and edged. Quinn tasted copper and rain. She thought of Morris’s empty desk and the way the brass plaque with his name still gleamed every time she passed it. She thought of the ship-shape files she kept, all the little irregularities that never quite added up until you stopped pretending they were coincidence. Then she dropped onto the tracks in one clean motion, boots crunching on gravel and old metal, and crossed. The third rail stayed dead. Good. She vaulted the far platform with a grunt that tasted of effort, caught the edge of the door with two fingers just before it sealed, and pushed. Heat breathed over her face. The air inside smelled of ozone, crushed spices, wet animal fur, and something sweeter that made the back of her tongue tingle. Her bolt of salt-and-pepper hair dripped once onto the threshold stones. Beyond lay a stretch of the old platform crowded with stalls of dark wood and hanging lanterns that burned without oil. Figures moved between them—some human enough, some less so. A man with too many joints sold glass vials that glowed sickle-blue. A woman with skin like polished horn rearranged bronze masks that watched Quinn watching them. Herrera was already three stalls deep, speaking low and urgent to a vendor whose face Quinn could not quite resolve no matter how she focused. The medallion still glinted at his throat. The scar on his forearm stood pale under the lantern light when he gestured. He did not look back this time. He believed, perhaps, that the detective with the clipped hair and the old leather watch would find her caution and stay outside. Quinn stepped fully over the threshold. The door closed behind her with a soft finality that shut out the drip of tunnel water and the firefly flicker of dying fluorescents. Inside, the market noise rose a notch, covering the sudden pound of her heart. She kept her hands visible and empty at her sides, military posture untouched by the way her skin crawled. Whatever this place was—whatever it sold, whatever rules it ran on—she had come too far for Morris, too far for the empty places in the files, to turn now. Tomás Herrera had answers, or at least pieces of them. And Detective Harlow Quinn intended to collect.
created_at"2026-07-08T19:31:49.003Z" 7/8/2026, 7:31:49 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency511
moderation_latency(null)
generation_time67238
tokens_prompt914
tokens_completion2687
native_tokens_prompt1016
native_tokens_completion3230
native_tokens_completion_images(null)
native_tokens_reasoning1397
native_tokens_cached128
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"
usage0.02122
router(null)
provider_responses
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endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"92cfad53-48a0-9f41-a042-93663dd30759"
is_byokfalse
latency319
model_permaslug"x-ai/grok-4.5-20260708"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783539109-9kNcIWLC92R0x4uRcwA7"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539109-C6w4tG0RDzXxIEBMWWWy"
upstream_id"92cfad53-48a0-9f41-a042-93663dd30759"
total_cost0.02122
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
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
totalTags0
96.71% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1518
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"slightly"
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)
60.47% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1518
totalAiIsms12
found
0
word"flicker"
count2
1
word"shattered"
count1
2
word"glint"
count1
3
word"charged"
count1
4
word"footsteps"
count1
5
word"echoed"
count1
6
word"flickered"
count1
7
word"electric"
count1
8
word"throbbed"
count1
9
word"streaming"
count1
10
word"resolve"
count1
highlights
0"flicker"
1"shattered"
2"glint"
3"charged"
4"footsteps"
5"echoed"
6"flickered"
7"electric"
8"throbbed"
9"streaming"
10"resolve"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"blood ran cold"
count1
highlights
0"blood ran cold"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences105
matches(empty)
74.83% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount2
narrationSentences105
filterMatches
0"watch"
hedgeMatches
0"began to"
1"tended to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences105
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen42
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1510
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions45
wordCount1510
uniqueNames12
maxNameDensity0.86
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Camden3
Harlow2
Quinn13
Morris6
London1
Herrera9
Tomás2
Christopher1
Market3
Tube1
Veil2
Detective2
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Herrera"
4"Tomás"
5"Christopher"
6"Market"
7"Tube"
places
0"London"
globalScore1
windowScore1
58.54% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences82
glossingSentenceCount3
matches
0"felt like inviting history to repeat"
1"not quite human"
2"not quite resolve no matter how she focused"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1510
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences105
matches
0"knew that scar"
10.58% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs16
mean94.38
std17.65
cv0.187
sampleLengths
077
1111
297
3119
480
5111
677
785
897
961
1098
1198
1287
13128
1475
15109
98.58% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences105
matches
0"was said"
1"been locked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs254
matches
0"was heading"
1"was descending"
2"was bleeding"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount9
semicolonCount2
flaggedSentences8
totalSentences105
ratio0.076
matches
0"The worn leather strap of her watch bit into her left wrist with every swing of her arm; she did not need to glance at it to feel the ragged minutes burning."
1"The man—Herrera, Tomás Herrera, former NHS, unlicensed cutter of last resort for people who preferred not to visit proper hospitals—cut left hard into a narrow passage between a shuttered bookshop and a kebab van whose grease-fogged windows glowed amber."
2"He had a pale scar running the length of his left forearm; she knew that scar from the photographs in the file, knife mark from an earlier life he preferred no one examine."
3"Emergency lighting—ancient fluorescent tubes that buzzed and flickered—cast everything in a sickly intermittent green."
4"Light spilled out—not electric, not entirely."
5"She checked her watch by force of habit—eleven forty-three—and felt the leather strap tug against skin gone clammy."
6"Figures moved between them—some human enough, some less so."
7"Whatever this place was—whatever it sold, whatever rules it ran on—she had come too far for Morris, too far for the empty places in the files, to turn now."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1536
adjectiveStacks0
stackExamples(empty)
adverbCount56
adverbRatio0.036458333333333336
lyAdverbCount10
lyAdverbRatio0.006510416666666667
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences105
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences105
mean14.38
std9.79
cv0.681
sampleLengths
021
122
234
310
413
532
626
76
818
96
1039
1116
1218
135
1419
154
1636
172
187
1933
2022
214
225
236
2421
2536
267
275
2811
2914
3037
313
3210
338
3437
351
361
3713
3814
395
4013
4116
428
438
446
4514
463
473
4820
492
75.24% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.4857142857142857
totalSentences105
uniqueOpeners51
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences96
matches
0"Somewhere above, a train rumbled"
1"Then she was descending, shoulders"
2"Then she dropped onto the"
ratio0.031
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount22
totalSentences96
matches
0"Her closely cropped salt-and-pepper hair"
1"She caught herself with a"
2"He had a pale scar"
3"He vaulted a low railing"
4"Her shoulder clipped the railing."
5"He was heading for the"
6"She had read the fringe"
7"She had dismissed most of"
8"He slipped through like smoke."
9"He went left."
10"She went left."
11"He hit the opposite platform,"
12"She checked her watch by"
13"Her brown eyes stayed fixed"
14"She could radio in."
15"She thought of Morris’s empty"
16"She thought of the ship-shape"
17"She vaulted the far platform"
18"Her bolt of salt-and-pepper hair"
19"He did not look back"
ratio0.229
64.17% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount76
totalSentences96
matches
0"Detective Harlow Quinn drove through"
1"Her closely cropped salt-and-pepper hair"
2"Water streamed off her sharp"
3"The worn leather strap of"
4"DS Morris had taught her"
5"Morris had also died beneath"
6"Quinn did not believe in"
7"The man—Herrera, Tomás Herrera, former"
8"Quinn took the corner low,"
9"She caught herself with a"
10"Rain hissed against her face."
11"Herrera glanced back once."
12"The irony was not lost"
13"He had a pale scar"
14"He vaulted a low railing"
15"Quinn vaulted after him."
16"Her shoulder clipped the railing."
17"Pain flared and she ignored"
18"The alley funnelled them toward"
19"The rain softened the city’s"
ratio0.792
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences96
matches(empty)
ratio0
23.81% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences66
technicalSentenceCount11
matches
0"The man—Herrera, Tomás Herrera, former NHS, unlicensed cutter of last resort for people who preferred not to visit proper hospitals—cut left hard into a narrow …"
1"He vaulted a low railing without breaking stride and dropped into a service alley that smelled of rotten vegetables and wet cardboard."
2"The rain softened the city’s edges but sharpened sound: the slap of his trainers, the heavier thud of her own steel-toes, the distant wail of a siren that might…"
3"An abandoned station somewhere beneath the northern reaches of Camden, a place that moved or was said to move after every full moon, reachable only with a bone …"
4"Then she was descending, shoulders brushing damp walls that smelled of old piss and darker things."
5"Emergency lighting—ancient fluorescent tubes that buzzed and flickered—cast everything in a sickly intermittent green."
6"A warm, murmuring, gold-and-violet light that throbbed like a heartbeat."
7"Herrera was already across the tracks, leaping with the sure-footed ease of a man who had done this more than once."
8"The door began to swing shut behind him, leisurely, as if whatever waited inside knew she was there and wanted her to choose."
9"Call for backup that would arrive too late saying all the right phrases about securing the scene and leaving the weirdness to other departments that did not exi…"
10"A man with too many joints sold glass vials that glowed sickle-blue."
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
82.0975%