Run: 2026-07-08-01KX1KHJGQT3HG8ANPXE6F0DPH

Run Details

Duration:
1m 16s
Cost:
$0.020686
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
The stairwell smelled of wet iron and old rain. Detective Harlow Quinn took the last flight two at a time, palm skimming the greasy handrail, boots finding purchase on each slick concrete tread. Above her the entrance hatch still stood open to the Camden night, a rectangular wound of sodium light that dwindled as she descended. The air grew colder with every step, thick enough to leave a film on her tongue. Portable lamps had already been hung from the tiled arches of the abandoned platforms. Their hard white glare carved the place into slices of shadow and bone-pale walls. Someone had chalked a perimeter around a canvas-draped shape near the third pillar on the northbound side. Beyond that the track bed lay glossy with standing water, reflecting the lamps like black glass. Quinn stopped at the edge of the chalk line, checked the time on the worn leather watch strapped to her left wrist, and fixed the scene in her mind the way she always did: distance from the nearest exit, forty-seven paces; height of the arched ceiling, roughly twenty feet; ambient temperature cold enough that her breath still fogged. Eighteen years of this. Muscle memory. DC Rezaei met her halfway along the platform, freckles standing out under the lamps, tablet braced against his chest like a shield. “Vics male, late thirties, no ID yet. Found by a pair of urban explorers around twenty-two hundred. They say they came down the same way we did—maintenance hatch off the music shop. No other access they could find.” Quinn’s gaze cut past him to the shape under the tarp. “Anyone touch anything?” “CSIs are still bagging. And…” He hesitated, glancing over his shoulder. “There’s a civilian. Kowalski. Eva Kowalski. British Museum archives. She was already down here when the first unit arrived. Claims she had permission from Facilities to survey for some research paper. Superintendent Martinez wants her kept on site until we finish.” Quinn felt her jaw tighten. Civilians at crime scenes meant mess. Before she could answer, a small figure with a mass of curly red hair stepped out from behind the next pillar. Round glasses caught the light. A worn leather satchel hung heavy at her hip, bulging with what looked like notebooks. The woman was tucking a stray curl behind her left ear in a quick, habitual motion, freckles stark against pale skin. Green eyes found Quinn’s and held. “Detective Quinn, I presume,” Eva said. Her voice carried the careful diction of someone who spent more time with dead languages than living people. “I know how this looks. I was conducting a survey of residual wartime structure—” “Save it.” Quinn stepped past Rezaei, taking care not to disturb the chalk. “You can explain yourself later. Right now you’re a potential witness and a liability. Stay where I can see you.” Eva’s mouth opened, closed. She retreated half a step but didn’t leave the platform. Quinn crouched beside the body. A gloved SOCSO lifted the edge of the tarp on her nod. The man lay on his back, arms flung wide as if surprised by the fall. One lens of his wire-rimmed spectacles was cracked. Dark hair clung damply to his temples. No obvious gunshot, no sprawl of arterial spray. Instead a single puncture wound sat high on the left side of his chest, neat as a drill hole through the wool of his overcoat. Quinn leaned closer. The edges of the fabric didn’t fray; they looked seared, the threads fused into a stiff black collar. Beneath that the skin of the wound itself was puckered and grey, like meat left too long on a grill. She straightened. “Cause of death look thermal to anyone else?” Rezaei shook his head. “Medics guess stabbing, but the melted cloth is new to me. And there’s this.” He held out an evidence bag. Inside lay a small round disc of yellowed bone, no bigger than a two-pence piece, striking with concentric rings and a hole drilled clean through the center. “Found clutched in his right hand. Fingers had to be prised open.” Quinn took the bag. The light caught a faint sheen of grease on the bone. Something about it raised the hair on her arms. She set it aside carefully. “There’s more,” Eva said quietly from her place by the pillar. She had not moved. Her freckled fingers worried the strap of her satchel. “If you’ll allow me—” Quinn turned. Military posture locked her spine straight. “Miss Kowalski, you are not a consultant. You are a civilian who happened to be trespassing when a corpse appeared on private railway property. Speak only when spoken to.” Eva’s green eyes narrowed, but she only tucked her hair behind her ear again and waited. Quinn walked the perimeter slowly, mapping the undisturbed dust with her eyes. No drag marks. No second set of boot prints leading away from the body other than the explorers’ and the first patrol’s. The water in the track bed lay smooth as poured oil, unbroken by ripples or footprints. She crouched again, this time near the man’s outstretched left hand. Faint greenish dust glittered in the creases of his palm—verdigris, she thought, the same coppery corrosion that bloomed on old brass. A second twinkle of the same powder dusted the torn edge of his coat pocket. She drew a penlight, flicked it on, and swept the beam. Just beyond the chalk a small brass object lay half-buried in grit. Round, hinged, face etched with looping sigils that looked nothing like any maker’s mark she knew. A compass. The casing bore a soft green patina of verdigris matching the dust on the dead man’s hand. Quinn rose, photographed it in situ with her phone, then carefully sealed the device in a fresh bag. The needle inside did not point north. It juddered once, then locked hard toward a hairline crack running vertically through the tiles on the far wall—exactly opposite the maintenance stairs by which everyone else had entered. Something in her chest went cold. Three years ago, under another set of abandoned arches, her partner’s body had lain just so. No entry wounds that made sense. No exit. Only that same impossible stillness, and a mark on the wall that ordinary forensics could never explain. She shut the memory down the way she shut a file drawer. Rezaei approached with two CSIs carrying further bags: empty glass vials, a coil of thin copper wire, half a dozen paper envelopes stamped with sigils identical to those on the compass face. “These were arranged like stock on an invisible shelf three feet left of the body. Nothing’s labeled. No price tags I recognize. And look.” He held up a clear pouch containing a thin strip of stained linen. “Blood on this matches the vic preliminarily, but the pattern’s wrong for any cast-off I know. It looks…drawn. Like calligraphy.” “Someone writing with blood,” Quinn said, more to herself. “Or wiping a blade that never left a trail on the ground.” Eva’s voice came quieter, almost gentle. “It isn’t writing, Detective. It’s a binding. Or what remains of one after it breaks. That man was carrying stock from the Veil Market.” Quinn’s head snapped around. “Repeat that.” The researcher lifted her chin. Round lenses flashed. “The Veil Market. It sets up in disused Underground spaces—moves every full moon. Entrance only by bone token.” She nodded at the bagged disc. “That man either sold there or bought. The compass you just bagged is a Shade-made tracker. Points toward the nearest active rift or residual portal signature. That crack it’s aimed at was open within the last few hours. Something used it. Or someone.” Rezaei snorted. “We’re not doing ghosts, miss.” Quinn did not laugh. She looked again at the crack in the tile. Ordinary London clay and London damp, but the air near it felt half a degree colder. The compass needle still strained in its bag, determined. She opened her hand under Rezaei’s light. Verdigris dust still dusted the dead man’s palm. The same dust glittered where the compass had lain, yet no container or pouch that might have held either item remained on the body. “Inventory his pockets again,” she ordered. “Every fold of fabric.” They found the second token then—a particularly smooth disc of bone pressed between the pages of a tram timetable that should never have belonged to a closed station. And a scrap of silk printed with a symbol matching one of the protective sigils on the compass face. No wallet. No phone. No keys. Just market treasures and the faint green dust of worked brass. Eva had edged closer. “He didn’t fight. Look at the poverty of the spatter. Look how the arms fell open as if he’d already surrendered. The binding sealed the wound even as it killed. That’s why the cloth is fused. That’s why the blood was used deliberately instead of pooling. Detective, this isn’t a robbery. Someone canceled a contract and cleaned the ledger.” Quinn crouched once more beside the sealed wound. Under the harsh lamps the edge of burned fabric glittered with the same green powder. Residual. Transfer. She closed her eyes and saw again the geometry: one man alone on the platform, all handwritten evidence arranged as though on a counter that no longer existed, a compass pointing to a door that should not open, a token clutched so tightly the hand had stiffened around it. No footprints in the water. No second set of lungs breathing in this death-mask air after the explorers left. Her watch ticked against her wrist. She opened her eyes. “Pack everything,” she told Rezaei. “Especially the crack in that wall. Sample the air if you have to. No civilian leaves until I clear them.” She rose, cofre of movements precise, shoulders square. “Miss Kowalski, you’ll come with me. And you will not speak to another officer about markets or rifts or whatever fairy tales you house in that satchel until I say you can. Clear?” Eva’s freckled face went very still. Then she nodded once, tucking hair again, and fell in step as Quinn started back toward the stairs. Behind them the pocketed compass twitched against plastic, its needle locked forever on a door only the dead had walked through tonight. Quinn climbed, each footfall exact, already computing the report she would never be allowed to file as written. The evidence did not add up on paper. Standing in the cold breath of the station, watching green dust flash and vanish on a dead man’s palm, she knew exactly what it added to.
created_at"2026-07-08T19:33:43.071Z" 7/8/2026, 7:33:43 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency440
moderation_latency(null)
generation_time75556
tokens_prompt923
tokens_completion3062
native_tokens_prompt1034
native_tokens_completion3359
native_tokens_completion_images(null)
native_tokens_reasoning1133
native_tokens_cached1024
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"
usage0.020686
router(null)
provider_responses
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endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"39b6423e-95f6-9d03-b77b-ed68c0efd7fc"
is_byokfalse
latency145
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))"
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request_id"req-1783539223-srzcQLYW43iVzaGZh87E"
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api_type"completions"
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total_cost0.020686
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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
totalTags12
adverbTagCount1
adverbTags
0"Eva said quietly [quietly]"
dialogueSentences29
tagDensity0.414
leniency0.828
rawRatio0.083
effectiveRatio0.069
83.08% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1773
totalAiIsmAdverbs6
found
0
adverb"carefully"
count2
1
adverb"slowly"
count1
2
adverb"deliberately"
count1
3
adverb"tightly"
count1
4
adverb"very"
count1
highlights
0"carefully"
1"slowly"
2"deliberately"
3"tightly"
4"very"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Martinez"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
77.44% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1773
totalAiIsms8
found
0
word"stark"
count1
1
word"structure"
count1
2
word"potential"
count1
3
word"flicked"
count1
4
word"etched"
count1
5
word"determined"
count1
6
word"silk"
count1
7
word"footfall"
count1
highlights
0"stark"
1"structure"
2"potential"
3"flicked"
4"etched"
5"determined"
6"silk"
7"footfall"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences112
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences112
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences130
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen59
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1768
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
80.39% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions39
wordCount1293
uniqueNames7
maxNameDensity1.39
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn18
Camden1
Rezaei7
Eva7
London2
Round3
persons
0"Harlow"
1"Quinn"
2"Rezaei"
3"Eva"
4"Round"
places
0"Camden"
1"London"
globalScore0.804
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount1
matches
0"looked like notebooks"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1768
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences130
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs35
mean50.51
std29.18
cv0.578
sampleLengths
072
161
264
360
414
552
679
738
833
931
10104
1110
1263
1329
1428
1537
1616
1797
1876
1936
2059
2189
2221
2330
246
2575
267
2777
2810
2964
3063
3193
3210
3366
3498
99.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences112
matches
0"been hung"
1"was puckered"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs198
matches
0"was tucking"
32.97% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount3
flaggedSentences5
totalSentences130
ratio0.038
matches
0"Quinn stopped at the edge of the chalk line, checked the time on the worn leather watch strapped to her left wrist, and fixed the scene in her mind the way she always did: distance from the nearest exit, forty-seven paces; height of the arched ceiling, roughly twenty feet; ambient temperature cold enough that her breath still fogged."
1"The edges of the fabric didn’t fray; they looked seared, the threads fused into a stiff black collar."
2"Faint greenish dust glittered in the creases of his palm—verdigris, she thought, the same coppery corrosion that bloomed on old brass."
3"It juddered once, then locked hard toward a hairline crack running vertically through the tiles on the far wall—exactly opposite the maintenance stairs by which everyone else had entered."
4"They found the second token then—a particularly smooth disc of bone pressed between the pages of a tram timetable that should never have belonged to a closed station."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount876
adjectiveStacks1
stackExamples
0"stark against pale skin."
adverbCount25
adverbRatio0.028538812785388126
lyAdverbCount10
lyAdverbRatio0.01141552511415525
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences130
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences130
mean13.6
std11.15
cv0.82
sampleLengths
09
124
223
316
414
514
617
716
858
94
102
1122
1238
1311
143
1511
1641
175
186
1921
205
2115
2221
236
246
2518
2614
2713
2820
294
3010
315
3212
3315
348
357
368
3725
383
3918
4020
412
428
434
4420
4527
4612
474
4811
499
80.77% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.5076923076923077
totalSentences130
uniqueOpeners66
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences99
matches
0"Instead a single puncture wound"
1"Just beyond the chalk a"
2"Only that same impossible stillness,"
3"Just market treasures and the"
4"Then she nodded once, tucking"
ratio0.051
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount22
totalSentences99
matches
0"Their hard white glare carved"
1"He hesitated, glancing over his"
2"Her voice carried the careful"
3"She retreated half a step"
4"He held out an evidence"
5"She set it aside carefully."
6"She had not moved."
7"Her freckled fingers worried the"
8"She crouched again, this time"
9"She drew a penlight, flicked"
10"It juddered once, then locked"
11"She shut the memory down"
12"He held up a clear"
13"She nodded at the bagged"
14"She looked again at the"
15"She opened her hand under"
16"They found the second token"
17"She closed her eyes and"
18"Her watch ticked against her"
19"She opened her eyes."
ratio0.222
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount69
totalSentences99
matches
0"The stairwell smelled of wet"
1"Detective Harlow Quinn took the"
2"The air grew colder with"
3"Their hard white glare carved"
4"Someone had chalked a perimeter"
5"Quinn stopped at the edge"
6"DC Rezaei met her halfway"
7"Quinn’s gaze cut past him"
8"He hesitated, glancing over his"
9"Quinn felt her jaw tighten."
10"Civilians at crime scenes meant"
11"A worn leather satchel hung"
12"The woman was tucking a"
13"Her voice carried the careful"
14"Quinn stepped past Rezaei, taking"
15"Eva’s mouth opened, closed."
16"She retreated half a step"
17"Quinn crouched beside the body."
18"A gloved SOCSO lifted the"
19"The man lay on his"
ratio0.697
50.51% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences99
matches
0"Before she could answer, a"
ratio0.01
57.14% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences50
technicalSentenceCount6
matches
0"Above her the entrance hatch still stood open to the Camden night, a rectangular wound of sodium light that dwindled as she descended."
1"Her voice carried the careful diction of someone who spent more time with dead languages than living people."
2"Faint greenish dust glittered in the creases of his palm—verdigris, she thought, the same coppery corrosion that bloomed on old brass."
3"Round, hinged, face etched with looping sigils that looked nothing like any maker’s mark she knew."
4"They found the second token then—a particularly smooth disc of bone pressed between the pages of a tram timetable that should never have belonged to a closed st…"
5"She closed her eyes and saw again the geometry: one man alone on the platform, all handwritten evidence arranged as though on a counter that no longer existed, …"
83.33% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount1
matches
0"Quinn said, more to herself"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount1
fancyTags
0"she ordered (order)"
dialogueSentences29
tagDensity0.172
leniency0.345
rawRatio0.2
effectiveRatio0.069
90.6209%