Run: 2026-07-08-01KX1M6TEN7QAC99AHGR6M4NY7

Run Details

Duration:
50.5s
Cost:
$0.018436
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="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <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> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. 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
Detective Harlow Quinn dropped the last three feet into darkness and hit the concrete hard enough to jar her teeth. The air down here tasted of mildew and old electricity, thick with a coppery sweetness that no amount of damp could quite explain. Her torch cut a narrow cone through the gloom of the abandoned Camden Town auxiliary platform, catching water dripping from a cracked ceiling tile and the faint glint of rails long since torn out for scrap. She checked her worn leather watch by reflex—two-seventeen in the morning—and adjusted the strap before moving forward with the same military precision that had kept her alive through eighteen years of Metropolitan Police service. The Veil Market was not supposed to be here tonight. That much she already knew. Fuller moon had been three nights ago, which meant the whole underground bazaar should have packed its stolen sigils and banned reagents and shifted elsewhere under London’s skin. Yet the bone token she’d taken off a dealer last week had burned cold against her palm when she pressed it to the bricked-up service door two streets above, and the bricks had simply… unfolded. Now she stood on the edge of something that refused to obey its own rules, and the wrongness sat heavy in her chest just beneath the badge. Floodlights already scorched the far end of the platform. Scene tape fluttered in a draft that shouldn’t have existed at this depth. A handful of uniformed officers milled about looking pale and slightly nauseated, their radios crackling with static that had nothing to do with walls of earth. Quinn raised the tape and ducked under without breaking stride. Detective Sergeant Hale was already there, crouching beside the body like a man conducting an intimate conversation with the dead. He glanced up as her boots scuffed the grime three metres out, his face lit from beneath in the hard white glare. “Quinn. You didn’t have to come. Nights like this belong to the young and the stupid.” “I’m neither,” she said, and meant it. At forty-one her salt-and-pepper hair was cropped close for exactly the reason that staring down into a crime scene like this took nothing off her concentration. Sharp jaw set, she kept her hands in her coat pockets so she wouldn’t touch anything yet. “Talk to me.” Hale rocked back on his heels and gestured with a gloved hand. The victim lay on her back across what had once been a commercial booth footprint—scuffed chalk circles and melted candle stubs still ringed the space. The woman was mid-thirties, dark hair splayed, wearing the sort of layered thrift that screamed market regular rather than tourist. No obvious trauma. Eyes open and filmed already, but the real irregularity was the way every inch of exposed skin looked… folded. As if someone had tried to press origami creases into living flesh and the body had cooled that way. “No struggle,” Hale said. “No defensive wounds. Lividity’s fixed, rigor starting to fade, so six to eight hours easy. ME will give us better when they get here—Hospital Control’s still arguing over who owns the underground after how many jurisdictional disasters. Purse nearby, contents undisturbed. Cash, phone, bone token of her own. Toxic screens pending but my money’s on some new alchemical cocktail they sell down here. Heart just… stopped.” Quinn said nothing. She walked a slow circle just outside the tape, torch angled low so the beam skated across surfaces rather than stabbed. Dust lay thick along the platform edge—yet the only footprints she could find were the arriving officers’ and Hale’s. The victim’s own shoes were pristine leather flats, soles clean enough to eat from. No drag marks. No scuff where she might have collapsed. She hadn’t walked here, and no one had carried her. Temperature registered first next. The floodlights threw heat, the officers’ bodies threw heat, yet when Quinn held her bare hand over the chalk circle the air dropped ten degrees in a single breath. Her exhale fogged. The cold clung only inside the ring, as if the markings were gates rather than guides. “Hale,” she said. “You smell that?” He sniffed, grimaced. “Ozone. Same as every time the Market’s been active. You know how it is with residual enchantments.” “Longer,” Quinn murmured. She crouched on the opposite side of the body from him, knees cracking. Beneath the copper-blood scent rode something older—wet stone and burnt cloves, yes, but threaded through both a thin green note like crushed verdigris. Her gaze snagged on a small brass object half-buried under the victim’s outflung right hand. She almost missed it. The casing was the colour of old pennies, freckled with that blue-green patina, and the faceplate was etched all over with interlocking sigils so fine the floodlights nearly washed them into the metal. When Quinn crouched lower the needle—yes, a compass needle—twitched once, hard, toward the blank stretch of brick wall behind the booth. Not magnetic north. Not toward the body. Toward empty brick. “Don’t touch that,” Hale warned, but she was already photographing with her phone before slipping on gloves. The Veil Compass felt heavier than brass should, warm through the latex in a way that made the hair along her arms lift. She let the needle settle again: undeniable pull to the wall. Protective sigils marched around its face, some of them she almost recognised from cold-case files sealed so deep even she needed three signatures to crack them open. Three years ago DS Morris had died on a roof in Whitechapel with similar marks burned into the asphalt around him. She’d still never found a satisfactory cause of death. Hale rose and crossed arms. “It’s junk, Quinn. Market trinket. She probably bought it tonight, took the wrong powder, collapsed. We bag the compass, log the token, call it a supernatural OD and let the specialist unit claim jurisdiction by dawn. They love this crap.” Quinn turned the compass gently. The needle stayed locked. She set it carefully on an evidence marker, then straightened and looked at the brick wall it indicated. The station’s original London brick was dark with age and greasy soot, perfectly ordinary except for one missing patch three bricks high and two wide, filled instead by what looked like solid shadow. Not painted. Not empty. Shadow that had thickness, a depth that swallowed her torch beam without reflection. “You see the wall?” she asked. Hale followed her gaze, squinted, shrugged. “Wall’s a wall. Crawl space maybe, or old telegraphs. Leave it for CSI and the engineer boys.” But something was wrong. The evidence didn’t add up because the evidence was lying by omission. No footprints meant arrival by other means. Cold circle meant residual energy still bleeding. Compass meant orientation toward an open supernatural rift rather than north. And the body’s folded skin—Quinn crouched again, this time studying the creases along the forehead and collarbones. They weren’t post-mortem wrinkling. They followed exact geometric paths matching half the sigils on the compass face. Someone—or something—had used the victim as a key, then discarded the rest. She remembered the Market’s permanent code: every full moon it moved to a new abandoned artery beneath the city, leaving only residual residue for those who hunted leftovers. If it had returned early, or never left, then someone with power enough to drag the whole bazaar had wanted this death here, on this night. And the compass had been left behind deliberately. Crafted by a Shade artisan, if the rumours were true; designed to hunt rifts the way bloodhounds hunted wounded prey. Quinn stood. Her voice stayed even, but the sharpness her partner Morris had once joked about entered every word. “Look at the dust again, Hale. Look at the soles of her shoes. She didn’t walk three steps on this platform. Temperature gradient is localised and stable hours after death. That compass needle is fixed on a patch of brick that drinks light. If this was an overdose, she overdosed into another dimension with surgical precision and someone closed the door behind her.” Hale opened his mouth, shut it. The floodlight nearest him flickered once, twice, then steadied. One of the uniforms whispered something that might have been a prayer or a curse. Quinn took another slow lap of the booth footprint, this time noting the melted wax colours—black and deep green—and the tiny scorch mark where a bone token had been burned to ash. The remaining token in the purse was whole. Two tokens, one used. Entry for the killer as well as the victim? Or passage out after? She photographed everything twice, pocketed her phone, then picked up the compass again. Needle still locked. When she took three careful steps toward the shadow patch the metal grew warmer, almost vibrating against her gloved palm. The verdigris gleam brightened under the floodlights as if the casing itself drank ambient magic. Behind her, Hale exhaled through his teeth. “You’re going to make me write this up as portal homicide after all.” “I’m going to make you write what the evidence shows,” Quinn corrected. She kept her eyes on the wall. The shadow no longer looked empty. At the very edges it stirred like canvas under wind. Three years of unexplained loss had taught her the difference between residual and active. This was active. Fresh. Hungry. She could almost hear Morris’s laugh in the static of the radios—half warning, half invitation. Not yet. She would not follow the needle tonight with half the Met standing around unprotected. But she would map the pull, catalogue every wrong-way detail, and when she left she would take the first reading of the Veil Compass’s true direction. Because the Market had moved early for a reason. Because a body had been folded into geometry that matched an artisan’s protective code. Because every discarded truth down here added up eventually into a pattern larger than overdose or accident. Detective Harlow Quinn had spent three years waiting for the unexplained to leave footprints she could finally chase. Tonight those footprints led not along the platform grit but through solid brick, and she intended to open the door properly before anything else walked out. She marked the compass’s position again, stepped back, and began dictating notes into her recorder with the clipped precision of a woman who had forgotten how to flinch. The cold circle exhaled once more around dead skin and melted wax, and the shadow in the wall listened.
created_at"2026-07-08T19:45:19.323Z" 7/8/2026, 7:45:19 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency460
moderation_latency(null)
generation_time50463
tokens_prompt923
tokens_completion2877
native_tokens_prompt1034
native_tokens_completion2760
native_tokens_completion_images(null)
native_tokens_reasoning605
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"
usage0.018436
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provider_responses
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is_byokfalse
latency106
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-1783539919-x7pM2m53jP1ZQ5d9VZVz"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539919-WgzbHBCysKggR02jjIrU"
upstream_id"7206f217-f5fe-93a8-9b10-b2606633050a"
total_cost0.018436
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
totalTags9
adverbTagCount0
adverbTags(empty)
dialogueSentences16
tagDensity0.563
leniency1
rawRatio0
effectiveRatio0
82.93% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1757
totalAiIsmAdverbs6
found
0
adverb"slightly"
count1
1
adverb"gently"
count1
2
adverb"carefully"
count1
3
adverb"perfectly"
count1
4
adverb"deliberately"
count1
5
adverb"very"
count1
highlights
0"slightly"
1"gently"
2"carefully"
3"perfectly"
4"deliberately"
5"very"
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)
80.08% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1757
totalAiIsms7
found
0
word"gloom"
count1
1
word"glint"
count1
2
word"fluttered"
count1
3
word"pristine"
count1
4
word"etched"
count1
5
word"magnetic"
count1
6
word"flickered"
count1
highlights
0"gloom"
1"glint"
2"fluttered"
3"pristine"
4"etched"
5"magnetic"
6"flickered"
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
narrationSentences113
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences113
filterMatches
0"watch"
hedgeMatches
0"tried to"
1"tended to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences122
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen67
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1742
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions10
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions46
wordCount1454
uniqueNames17
maxNameDensity0.76
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Harlow2
Quinn11
Camden1
Town1
Metropolitan1
Police1
Veil3
Market3
London2
Sergeant1
Hale8
Compass3
Morris3
Whitechapel1
Shade1
Met1
Detective3
persons
0"Harlow"
1"Quinn"
2"Police"
3"Market"
4"Sergeant"
5"Hale"
6"Compass"
7"Morris"
8"Met"
places
0"Camden"
1"Town"
2"London"
3"Whitechapel"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences78
glossingSentenceCount1
matches
0"looked like solid shadow"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.574
wordCount1742
matches
0"not along the platform grit but through solid brick"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences122
matches
0"cooled that way"
96.25% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean58.07
std28.27
cv0.487
sampleLengths
0113
1105
258
358
453
598
670
777
852
96
1020
1154
1268
1317
1491
1545
1677
176
1823
1987
2082
2182
2230
2357
2451
2520
2654
2757
2884
2947
89.74% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences113
matches
0"was cropped"
1"was etched"
2"been left"
3"been burned"
4"been folded"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs247
matches
0"was already photographing"
1"was lying"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount14
semicolonCount1
flaggedSentences10
totalSentences122
ratio0.082
matches
0"She checked her worn leather watch by reflex—two-seventeen in the morning—and adjusted the strap before moving forward with the same military precision that had kept her alive through eighteen years of Metropolitan Police service."
1"The victim lay on her back across what had once been a commercial booth footprint—scuffed chalk circles and melted candle stubs still ringed the space."
2"Dust lay thick along the platform edge—yet the only footprints she could find were the arriving officers’ and Hale’s."
3"Beneath the copper-blood scent rode something older—wet stone and burnt cloves, yes, but threaded through both a thin green note like crushed verdigris."
4"When Quinn crouched lower the needle—yes, a compass needle—twitched once, hard, toward the blank stretch of brick wall behind the booth."
5"And the body’s folded skin—Quinn crouched again, this time studying the creases along the forehead and collarbones."
6"Someone—or something—had used the victim as a key, then discarded the rest."
7"Crafted by a Shade artisan, if the rumours were true; designed to hunt rifts the way bloodhounds hunted wounded prey."
8"Quinn took another slow lap of the booth footprint, this time noting the melted wax colours—black and deep green—and the tiny scorch mark where a bone token had been burned to ash."
9"She could almost hear Morris’s laugh in the static of the radios—half warning, half invitation."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount668
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.0344311377245509
lyAdverbCount5
lyAdverbRatio0.0074850299401197605
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences122
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences122
mean14.28
std11.36
cv0.796
sampleLengths
020
123
236
334
410
55
628
734
81
927
109
1113
1226
1310
1420
1522
1616
177
1826
1917
203
2112
2225
2320
243
2518
261
2719
284
2966
303
3121
3219
3314
343
357
3610
374
3829
393
4016
413
423
433
4417
453
4613
4723
4815
494
72.68% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.47540983606557374
totalSentences122
uniqueOpeners58
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences100
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences100
matches
0"Her torch cut a narrow"
1"She checked her worn leather"
2"He glanced up as her"
3"she said, and meant it"
4"She walked a slow circle"
5"She hadn’t walked here, and"
6"Her exhale fogged."
7"He sniffed, grimaced."
8"She crouched on the opposite"
9"Her gaze snagged on a"
10"She almost missed it."
11"She let the needle settle"
12"She’d still never found a"
13"She set it carefully on"
14"They weren’t post-mortem wrinkling."
15"They followed exact geometric paths"
16"She remembered the Market’s permanent"
17"Her voice stayed even, but"
18"She photographed everything twice, pocketed"
19"She kept her eyes on"
ratio0.23
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount67
totalSentences100
matches
0"Detective Harlow Quinn dropped the"
1"The air down here tasted"
2"Her torch cut a narrow"
3"She checked her worn leather"
4"The Veil Market was not"
5"That much she already knew."
6"Fuller moon had been three"
7"Floodlights already scorched the far"
8"Scene tape fluttered in a"
9"A handful of uniformed officers"
10"Quinn raised the tape and"
11"Detective Sergeant Hale was already"
12"He glanced up as her"
13"she said, and meant it"
14"Hale rocked back on his"
15"The victim lay on her"
16"The woman was mid-thirties, dark"
17"Eyes open and filmed already,"
18"Quinn said nothing."
19"She walked a slow circle"
ratio0.67
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount6
totalSentences100
matches
0"Now she stood on the"
1"As if someone had tried"
2"If it had returned early,"
3"Because the Market had moved"
4"Because a body had been"
5"Because every discarded truth down"
ratio0.06
60.89% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences61
technicalSentenceCount7
matches
0"She checked her worn leather watch by reflex—two-seventeen in the morning—and adjusted the strap before moving forward with the same military precision that had…"
1"Now she stood on the edge of something that refused to obey its own rules, and the wrongness sat heavy in her chest just beneath the badge."
2"A handful of uniformed officers milled about looking pale and slightly nauseated, their radios crackling with static that had nothing to do with walls of earth."
3"The woman was mid-thirties, dark hair splayed, wearing the sort of layered thrift that screamed market regular rather than tourist."
4"Shadow that had thickness, a depth that swallowed her torch beam without reflection."
5"The verdigris gleam brightened under the floodlights as if the casing itself drank ambient magic."
6"She marked the compass’s position again, stepped back, and began dictating notes into her recorder with the clipped precision of a woman who had forgotten how t…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags9
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount3
fancyTags
0"Quinn murmured (murmur)"
1"Hale warned (warn)"
2"Quinn corrected (correct)"
dialogueSentences16
tagDensity0.438
leniency0.875
rawRatio0.429
effectiveRatio0.375
86.0853%