Run: 2026-07-08-01KX1N002CDQN58ZVRXR36CA1B

Run Details

Duration:
2m 10s
Cost:
$0.022330
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 hammered London like a living thing, needling Detective Harlow Quinn’s scalp through her closely cropped salt-and-pepper hair and running cold fingers down the sharp angles of her jaw. Streetlights smeared into oily halos on the flooded pavement as she cut hard around a corner onto Frith Street, boots slamming through black water that reeked of diesel and wet rubbish. Ahead of her, Tomás Herrera veered left without breaking stride, his short curly dark brown hair flattened to his skull, olive skin slick under the flickering neon. She had only wanted a word. That was the lie she told herself, even as her lungs burned and the worn leather watch on her left wrist smacked hard against bone with every swing of her arm. She had watched him leave the Raven’s Nest ten minutes earlier, that distinctive green neon sign glowing above the entrance like a dare. He had checked both ways before melting into the rain, and something in the set of his shoulders had shouted flight. Now he was running, and her eighteen years of military precision refused to let him vanish into the night. “Herrera! Metropolitan Police—stop!” Her voice cracked off wet brick and died in storms of traffic noise. He did not stop. Of course he did not. Men with something to hide never did. She lengthened her stride, body remembering the drill: chin tucked, core locked, elbows driving clean. The city blurred. Pedestrians recoiled in sudden white faces, umbrellas spinning like startled birds. A taxi blared as Herrera darted across Shaftesbury Avenue between two double-deckers; Quinn posted from a bollard and launched after him, the grille climbing past so close she felt the hot wash of its exhaust and the slap of tyre spray across her cheek. She gained half a pace on Charing Cross Road. Up close she saw the scar running along his left forearm flex and tighten as he pumped his arms, saw the thin chain of a medallion at the hollow of his throat bounce against olive skin. Three years since Morris. Three years of unexplained blood on warehouse concrete and a partner who simply stopped existing. The supernaturals—whatever the hell that word still meant for her—had thrived in the gaps she could not yet map. Tonight she meant to close one of those gaps with her bare hands if required. Herrera cut right into a service alley that smelled of stale beer and rot. Crates gridded the narrow space. He vaulted them; Quinn followed, boot sole skidding, knee glancing brick with a white bolt of pain she folded away without sound. Water poured from downspouts in fat ropes. Her breath came controlled, counted, the discipline of drill-yards and night raids hammocked inside her ribs. Up ahead the alley spat them out onto a quieter stretch of Tottenham Court Road that felt suddenly emptier, rain hissing on deserted bus stops, the city’s pulse muffled by the storm. He was fitter than he looked. Former paramedic, her file said. Soft hands that once saved lives and now, she suspected, stitched something darker after hours for the same circle that floated around the Raven’s Nest. She had no warrant, no backup, only a stubborn knot of unfinished grief and the sense that every unanswered question about Morris led through men like him. The decision to chase without calling it in already sat cold behind her breastbone. She would answer for it later. Or not. Camden drew them north through a lattice of roads she knew too well. Rain turned the tarmac to black glass. Her reflections fractured and reformed in shop windows—salting, hard-eyed woman with short hair plastered flat, leather watch face catching the sodium glow every other stride. Herrera glanced back, warm brown eyes flecked with streetlight, and she saw calculation rather than panic. He knew the city as she did. He hoped the weather would erase him. It would not. They pounded past locked grocery stalls, past a shuttered café where a refrigerator fan still whined, past the sodium-lit entrance of a closed Tube station that he ignored. Instead he angled toward a blighted side street of plywood boards and faded health notices, where the smell of the river rose even through the rain—metal, damp stone, forgotten machinery. Her left calf screamed; she ignored it. Military bearing held: shoulders squared even in the sprint, jaw locked so hard her teeth ached. Then he vanished. One moment the dark shape of him cresting a low retaining wall; the next only empty rain slanting into weeds. Quinn reached the wall two seconds later, vaulted, and found a gravel slope dropping into the throat of an abandoned station mouth she had never mapped. Corrugated metal doors hung twisted on rusted hinges, leaving a jagged slot of darkness that smelled of ozone and river muck. Herrera’s wet footprints shone for half a breath before the rain erased them. He was already inside and descending. She planted a boot on the crumbling concrete lip. Her watch ticked against her wrist—two a.m. promotions press, critics drooling for the next headline, and a missing person report nobody wanted to treat as more than bureaucratic error. Her radio sat heavy on her belt. One call and a vanload of uniforms would clog this entrance inside of ten minutes. One call and any network beneath the city would melt into the tunnels again. She had sworn off that particular regret after Morris. Bone-white disk of something lay half-crushed in the mud just inside the threshold—round, carved, the unmistakable residue of a token deliberately discarded or half-swallowed by the rain. She kicked it once, watched it skitter into shadow. The Veil Market. Rumours fluttered around the edges of half a dozen unsolved files: relocating every full moon, entry bought with bone tokens, goods no inventory system on earth could codify. Enchanted trash and worse. In lighter moments she had filed it under urban myth and bad informants. Tonight the myth had footprints and a running man who knew exactly where the door opened. She stepped into the dark. Concrete stairs descended in a wet spiral that made every sound concave. Water and rust and something sweeter—myrrh, she thought, or blood soap—thickened the air. The rain noise thinned until only her own controlled breathing and the slap of distant footsteps remained. Electricity hummed through hacked wiring; emergency lights the colour of old bones glowed every dozen steps, revealing graffiti in languages she could not name. Herrera’s silhouette flickered two levels down and she took the steps three at a time, hand sliding the rail, leather watch face flashing. The market received her like a body receiving heat. She halted on the grit-strewn landing of an abandoned platform and felt the decision open inside her chest like a hatch. Stretch of platform. Canopies of salvaged canvas painted with unreal sigils. Lanterns of green glass hanging from old cable bridges. People—or shapes that wore people well enough—moved between stalls, boots whispering, eyes reflecting wrong wavelengths. Smell of hot metal and crushed herbs and stone dust that had never seen daylight. Somewhere a robotically clear voice traded weather reports for something that hissed in reply. All of it hush and pulse and light under an arched ceiling fretted with dead Tube lines and lank vines of insulated wire. Herrera was already halfway down the platform, weaving among the night traders with the easy confidence of a regular. He passed a woman with silver pins through her eyelids buying something that glowed inside a jar. Then a bald man whose left arm was carved of polished bone. No one looked twice. The Saint Christopher medallion at Tomás’s throat caught a lantern’s gleam and disappeared again under the collar of his wet jacket. Quinn’s hand drifted to the collapsed baton on her hip. Behind her the stairs climbed back to the ordinary world of rain and sirens and paperwork—safe, finite, incomplete. Ahead lay the market and for the first time she understood the scale of the blank unfilled maps in her own head. Morris hadn’t died in a warehouse. Morris had walked into something like this and never walked out again. The knowledge settled cold and clean. She took the first step onto the platform. A stall holder raised a pale eyebrow at the salt-and-pepper hair and the leather watch and the purposeful military snap still written into her shoulders even soaked and limping. Quinn met the glance with flat brown eyes and kept walking. The clown socks of adrenaline that had carried her here thinned into something colder and more deliberate. She was underdressed for whatever codes ruled this place, under-equipped, and entirely alone. None of those facts altered the course. She had chased Herrera to the break in the map. Now the map itself would have to answer. Herrera glanced back again, saw her among the stalls, and his pace shifted. Not panic—calculation again. He angled toward a deeper tunnel where canvas curtains hung like membranes and lights flickered through moving bodies. Quinn matched him, cutting between a table of stoppered bottles and a cage of silent birds whose eyes were chipped glass. Metal underfoot rang soft as bells. Across the platform a woman sang a cut-short nursery rhyme, and every hair along Quinn’s arms lifted independently of the cold. He slipped behind one of the curtains. She reached it two strides later and paused with her left hand braced against damp canvas and city grit, leather watch ticking a metronome against the silence. She could still turn around. Report later that the suspect had vanished into illegal property. Reclaim the surface streets and survive the paperwork. Or she could push through into the secondary tunnels that might loop under half of Camden and vanish forever Vasil like Morris. The rubber of her boot pressed forward and the canvas whispered aside. Cool air, denser dark, the creak of rope bridges somewhere above. Somewhere beyond, footsteps retreating with careful purpose. Quinn drew in the iron-and-herb air of the Veil Market into her lungs one last time, set her jaw, and followed the fugitive deeper.
created_at"2026-07-08T19:59:04.274Z" 7/8/2026, 7:59:04 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency48552
moderation_latency(null)
generation_time119270
tokens_prompt914
tokens_completion3037
native_tokens_prompt1016
native_tokens_completion3607
native_tokens_completion_images(null)
native_tokens_reasoning1553
native_tokens_cached896
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"
usage0.02233
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
is_byokfalse
latency123
model_permaslug"x-ai/grok-4.5-20260708"
provider_name"xAI"
status(null)
1
endpoint_id"78a73286-52c4-4d1d-9d13-c1870c25b143"
id"4085f8c8-0330-9d7a-a7b8-bf6ea7f1b227"
is_byokfalse
latency200
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-1783540744-6Cnv83DcqRCzjiPsORZt"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783540744-Ywk0pRb6hpHhS2fV4CRc"
upstream_id"4085f8c8-0330-9d7a-a7b8-bf6ea7f1b227"
total_cost0.02233
cache_discount0.001344
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
94.09% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1692
totalAiIsmAdverbs2
found
0
adverb"suddenly"
count1
1
adverb"deliberately"
count1
highlights
0"suddenly"
1"deliberately"
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)
70.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1692
totalAiIsms10
found
0
word"pulse"
count2
1
word"fractured"
count1
2
word"fluttered"
count1
3
word"footsteps"
count2
4
word"flickered"
count2
5
word"eyebrow"
count1
6
word"silence"
count1
highlights
0"pulse"
1"fractured"
2"fluttered"
3"footsteps"
4"flickered"
5"eyebrow"
6"silence"
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
narrationSentences116
matches(empty)
68.97% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount6
hedgeCount0
narrationSentences116
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences117
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen45
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1679
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions57
wordCount1676
uniqueNames26
maxNameDensity0.54
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
London1
Detective1
Harlow1
Quinn9
Frith1
Street1
Tomás2
Herrera9
Raven2
Nest2
Shaftesbury1
Avenue1
Charing1
Cross1
Road2
Morris6
Tottenham1
Court1
Tube2
Veil2
Market2
Saint1
Christopher1
Camden2
Vasil1
One3
persons
0"Harlow"
1"Quinn"
2"Tomás"
3"Herrera"
4"Raven"
5"Morris"
6"Tube"
7"Market"
8"Saint"
9"Christopher"
10"Camden"
11"One"
places
0"London"
1"Frith"
2"Street"
3"Shaftesbury"
4"Avenue"
5"Charing"
6"Cross"
7"Road"
8"Tottenham"
9"Court"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences100
glossingSentenceCount1
matches
0"something like this and never walked out aga"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1679
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences117
matches(empty)
99.47% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs24
mean69.96
std34.85
cv0.498
sampleLengths
088
1100
23
3102
498
596
685
778
881
93
1086
1183
12100
135
1489
159
16108
1773
1874
198
2095
2182
2279
2354
96.19% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences116
matches
0"was carved"
1"was underdressed"
2"were chipped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs277
matches
0"was running"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount5
flaggedSentences14
totalSentences117
ratio0.12
matches
0"A taxi blared as Herrera darted across Shaftesbury Avenue between two double-deckers; Quinn posted from a bollard and launched after him, the grille climbing past so close she felt the hot wash of its exhaust and the slap of tyre spray across her cheek."
1"The supernaturals—whatever the hell that word still meant for her—had thrived in the gaps she could not yet map."
2"He vaulted them; Quinn followed, boot sole skidding, knee glancing brick with a white bolt of pain she folded away without sound."
3"Her reflections fractured and reformed in shop windows—salting, hard-eyed woman with short hair plastered flat, leather watch face catching the sodium glow every other stride."
4"Instead he angled toward a blighted side street of plywood boards and faded health notices, where the smell of the river rose even through the rain—metal, damp stone, forgotten machinery."
5"Her left calf screamed; she ignored it."
6"One moment the dark shape of him cresting a low retaining wall; the next only empty rain slanting into weeds."
7"Her watch ticked against her wrist—two a.m."
8"Bone-white disk of something lay half-crushed in the mud just inside the threshold—round, carved, the unmistakable residue of a token deliberately discarded or half-swallowed by the rain."
9"Water and rust and something sweeter—myrrh, she thought, or blood soap—thickened the air."
10"Electricity hummed through hacked wiring; emergency lights the colour of old bones glowed every dozen steps, revealing graffiti in languages she could not name."
11"People—or shapes that wore people well enough—moved between stalls, boots whispering, eyes reflecting wrong wavelengths."
12"Behind her the stairs climbed back to the ordinary world of rain and sirens and paperwork—safe, finite, incomplete."
13"Not panic—calculation again."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1704
adjectiveStacks0
stackExamples(empty)
adverbCount60
adverbRatio0.035211267605633804
lyAdverbCount15
lyAdverbRatio0.008802816901408451
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences117
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences117
mean14.35
std8.68
cv0.605
sampleLengths
030
131
227
36
431
523
621
719
83
913
104
115
127
1315
143
1511
1644
179
1836
194
2015
2119
2215
2314
245
2522
267
2716
2832
296
305
3125
3227
3314
346
352
3613
377
3825
3916
407
417
423
4328
4430
457
4616
473
4820
4926
74.07% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.4700854700854701
totalSentences117
uniqueOpeners55
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences115
matches
0"Of course he did not."
1"Instead he angled toward a"
2"Then he vanished."
3"Somewhere a robotically clear voice"
4"Then a bald man whose"
5"Somewhere beyond, footsteps retreating with"
ratio0.052
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount34
totalSentences115
matches
0"She had only wanted a"
1"She had watched him leave"
2"He had checked both ways"
3"Her voice cracked off wet"
4"He did not stop."
5"She lengthened her stride, body"
6"She gained half a pace"
7"He vaulted them; Quinn followed,"
8"Her breath came controlled, counted,"
9"He was fitter than he"
10"She had no warrant, no"
11"She would answer for it"
12"Her reflections fractured and reformed"
13"He knew the city as"
14"He hoped the weather would"
15"It would not."
16"They pounded past locked grocery"
17"Her left calf screamed; she"
18"He was already inside and"
19"She planted a boot on"
ratio0.296
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount80
totalSentences115
matches
0"The rain hammered London like"
1"Streetlights smeared into oily halos"
2"She had only wanted a"
3"That was the lie she"
4"She had watched him leave"
5"He had checked both ways"
6"Her voice cracked off wet"
7"He did not stop."
8"Men with something to hide"
9"She lengthened her stride, body"
10"The city blurred."
11"Pedestrians recoiled in sudden white"
12"A taxi blared as Herrera"
13"She gained half a pace"
14"The supernaturals—whatever the hell that"
15"Tonight she meant to close"
16"Herrera cut right into a"
17"He vaulted them; Quinn followed,"
18"Water poured from downspouts in"
19"Her breath came controlled, counted,"
ratio0.696
86.96% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences115
matches
0"Now he was running, and"
1"Now the map itself would"
ratio0.017
83.33% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences72
technicalSentenceCount6
matches
0"Streetlights smeared into oily halos on the flooded pavement as she cut hard around a corner onto Frith Street, boots slamming through black water that reeked o…"
1"Up ahead the alley spat them out onto a quieter stretch of Tottenham Court Road that felt suddenly emptier, rain hissing on deserted bus stops, the city’s pulse…"
2"Soft hands that once saved lives and now, she suspected, stitched something darker after hours for the same circle that floated around the Raven’s Nest."
3"Concrete stairs descended in a wet spiral that made every sound concave."
4"Somewhere a robotically clear voice traded weather reports for something that hissed in reply."
5"The clown socks of adrenaline that had carried her here thinned into something colder and more deliberate."
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
92.4509%