Run: 2026-05-01-01KQHQVXD6AYC9GNKCB46MEVP2

Run Details

Duration:
1m 51s
Cost:
$0.017395
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
Harlow Quinn paused at the mouth of the rusted stairwell that dropped into the abandoned Tube station beneath Camden, letting the damp night air settle against her sharp jaw before she began her descent. The emergency lights the forensics team had strung along the walls flickered against the concrete, throwing jagged shadows over faded posters and the scattered debris of decades. At five foot nine with a bearing that carried the weight of eighteen years on the force, she moved with deliberate steps, one hand brushing the cool metal rail. The worn leather watch on her left wrist caught a gleam of light as she checked the time again—nearly one in the morning, the sort of hour when the ordinary truths of a crime scene began to fray at the edges. DS Tom Wilkins waited at the bottom of the stairs, notebook open, his torch beam sweeping the platform in short arcs. The air down here tasted of mold and old iron, thick with the metallic bite of blood that still carried its own heat. “Detective,” he said, voice low enough that it echoed anyway. “Victim’s male, mid-thirties, one wound to the chest. No ID, but the clothes and the location point to one of those underground deals. These stations pull the black-market types when the moon lines up right.” Quinn nodded once and crossed to the body. It lay near the platform edge, arms loose, legs slightly bent as though the man had been lowered rather than felled. The single gash across the sternum should have emptied him fast, yet the pool beneath him was narrow, contained, with none of the outward spray she expected from a standing struggle. No defensive lacerations on the forearms, no tears at the collar where a hand might have grabbed for purchase. She crouched, the concrete cold through her trousers, and noted the faint swirl of dust around the shoulders—almost as though something had brushed the platform after the body settled. No footprints overlapped it. Wilkins crouched too, torchlight catching the pale skin of the victim’s open hand. “Looks clean enough for a quick job. Knife in, twist, done. These fellows meet down here because the old gates are supposed to be padlocked tight. Probably had a deal sour over whatever they trade in places like this—stolen watches, dodgy substances, whatever keeps the lights off the official books.” Quinn’s brown eyes tracked from the wound to the gate where the stairs met the tunnel wall. The heavy iron bars above remained locked, the chain untouched, no fresh scratches on the mechanism. She stood and walked the length of it, testing the resistance with a gloved palm. The barrier held firm. “If the gates stayed shut, how did he reach this platform without a key or a cutting tool?” Wilkins shrugged, rising with her. “Could have come through the maintenance shafts a few stops up. These places connect in ways the planners never advertised. The black-market crowd knows the routes. They set up for a night, move on when the heat arrives.” She let the explanation hang, then returned to the body and rolled the victim gently onto his side just far enough to expose a pocket. Inside rested a small brass compass, verdigris dulling its surface, the needle inside spinning once before steadying not toward true north but toward the far alcove where the platform met deep shadow. The face carried faint etchings—curved lines that crossed in protective patterns rather than standard cardinal marks. She lifted it clear, turning it slowly. The casing felt older than any street vendor’s trinket, and the needle held its lock on the alcove even when she rotated the whole device in her palm. “Found that when we logged him,” Wilkins said. “Probably nothing. Some old souvenir he kept for luck or navigation down here. The light’s bad; the needle’s likely borked from the damp.” Quinn closed her fist around it for a moment, feeling the faint oscillation through the brass. She walked toward the alcove the needle demanded, boots scuffing the thin film of dust that coated everything. The beam of her own torch revealed a faint seam in the concrete wall—no wider than a credit card, yet straight and deliberate, running from floor to the height of her shoulders before disappearing behind a rusted conduit. Around the seam the dust lay undisturbed, no boot prints or drag marks to mark a recent passage. She traced one finger along the line. The concrete beneath the grime gave the slightest give, as though the surface had been opened and resealed without tools. She turned back to Wilkins. “The dust shows only one set of marks near the body—his own, from when he arrived. No second person stepped close enough to deliver that wound and retreat. The blood didn’t spread because the body wasn’t upright long enough for a struggle. It was placed here.” Wilkins followed her torchlight to the seam and frowned. “Or he stumbled against the wall during the fight and slid down. Happens fast. The wound’s deep enough that shock would have dropped him straight.” Quinn reopened her hand and watched the compass needle again. It held its bearing on the seam, trembling once as though responding to something beyond the torch beam. A bone token, smooth and carved with shallow spirals, rested half beneath the victim’s other hand; she nudged it free with a pen. No fingerprints marred its surface. It fitted her palm like a key long handled, its weight cold and deliberate. Entry tokens for restricted spaces were rarely this clean unless the carrier never reached the threshold. “This wasn’t a random meet,” she said. “The gates above are intact. The compass points at a wall that shouldn’t open yet its seam is newer than the rest of the concrete. The token matches the sort of thing people carry when they need access to places ordinary keys ignore. If the market that uses this station moves with the moon, the victim timed his arrival to the current location. Someone else arrived first and removed whatever he came to claim without leaving traces a knife would produce.” Wilkins’s torch lowered. “You’re reading too much into a broken gadget and a bit of old bone, Detective. The lab will sort the wound; most of these underground jobs end the same—territory, debt, or a double-cross over inventory that doesn’t match the manifest. No need to chase shadows when the scene already tells the plain story.” Quinn checked her watch once more, the leather strap stiff against her wrist. The second hand swept forward with mechanical certainty while the scene around her refused to resolve into the same simplicity. The faint ozone scent that rose from the seam wasn’t from the railway lines; it hung differently, like charged air after a storm that never broke. She stepped back to the body and studied the wound under direct light. The edges weren’t straight cuts but slightly curved, spaced in a pattern no standard blade left without a serrated edge—and there was no serrated edge present in the dust or on the victim’s clothing. The skin around each mark showed the cleanest cauterization she’d seen outside controlled burns, as though the tissue had been sealed the instant the strike landed. She walked the platform to the old ticket barrier, noting how the broken glass still held a thin layer of undisturbed grit except where one panel had been cleared from the inside. No external break. Someone— or something—had opened the barrier only from this side, then left it ajar just far enough for the body to be carried through before it was pulled shut again. The compass in her hand vibrated once more, needle locking on the seam that now appeared to her as a possible threshold rather than simple damage. Wilkins remained by the body, logging the time of death window on his pad, insisting the simplest version would hold. Quinn did not contradict him aloud. Instead she stored each mismatch: gates sealed, dust pristine beyond the body’s immediate circle, weapon absent despite a distinctive wound, compass and token both pointing to restricted passage the victim had nearly reached but not crossed. The station itself had been chosen not for convenience but for its hidden alignments, locations that shifted yet always returned to points where normal barriers thinned. Three years ago, her partner Morris had described a similar mismatch in another sealed space—wounds without weapons, entry without force—and the case had closed itself around an explanation nobody could prove. The same quiet insistence now rose in her throat: the plain story was the lie the scene invited. She returned to Wilkins and handed him the compass inside an evidence sleeve. “Bag this separately. And the token. Run them past the restricted-archives liaison before the lab loses the details to chain of custody.” Wilkins accepted them with a nod that carried polite tolerance rather than agreement. Quinn remained standing, brown eyes fixed on the alcove while her thoughts arranged the evidence into the pattern others had overlooked: the victim had carried the means to enter, yet died without ever reaching it, and the killer had left no ordinary footprint because none were required. The platform lights hummed overhead. The seam in the wall stayed visible only when the torch angle matched the compass heading. Quinn adjusted the beam once more, confirming the line held steady. Whatever had taken place here had used the station’s forgotten architecture the way a lockpick uses a tumbler—quiet, precise, and invisible to anyone looking only for blood and blades. She moved toward the stairs again, the leather watch ticking against her pulse, already mapping the next call she would make to the archives where the details of bone tokens and engraved compasses might finally be named.
created_at"2026-05-01T12:22:56.172Z" 5/1/2026, 12:22:56 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency79432
moderation_latency(null)
generation_time111078
tokens_prompt923
tokens_completion4089
native_tokens_prompt934
native_tokens_completion6518
native_tokens_completion_images(null)
native_tokens_reasoning4595
native_tokens_cached64
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"
usage0.0173953
router(null)
provider_responses
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endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"f333a848-7fb1-9828-ac74-b55c3b3ae17b"
is_byokfalse
latency108
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777638176-6XA59w1IFTQVaHgLzALR"
session_id(null)
api_type"completions"
id"gen-1777638176-M43mbXshzOx12JGaRcYN"
upstream_id"f333a848-7fb1-9828-ac74-b55c3b3ae17b"
total_cost0.0173953
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences13
tagDensity0.308
leniency0.615
rawRatio0
effectiveRatio0
87.83% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1644
totalAiIsmAdverbs4
found
0
adverb"slightly"
count2
1
adverb"gently"
count1
2
adverb"slowly"
count1
highlights
0"slightly"
1"gently"
2"slowly"
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)
60.46% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1644
totalAiIsms13
found
0
word"flickered"
count1
1
word"carried the weight"
count1
2
word"echoed"
count1
3
word"standard"
count2
4
word"traced"
count1
5
word"weight"
count1
6
word"mechanical"
count1
7
word"resolve"
count1
8
word"charged"
count1
9
word"vibrated"
count1
10
word"pristine"
count1
11
word"pulse"
count1
highlights
0"flickered"
1"carried the weight"
2"echoed"
3"standard"
4"traced"
5"weight"
6"mechanical"
7"resolve"
8"charged"
9"vibrated"
10"pristine"
11"pulse"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences65
matches(empty)
10.99% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount3
narrationSentences65
filterMatches
0"watch"
hedgeMatches
0"began to"
1"try to"
2"appeared to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences74
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen81
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1632
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions23
wordCount1229
uniqueNames6
maxNameDensity0.81
worstName"Wilkins"
maxWindowNameDensity1.5
worstWindowName"Wilkins"
discoveredNames
Quinn9
Tube1
Camden1
Tom1
Wilkins10
Morris1
persons
0"Quinn"
1"Camden"
2"Tom"
3"Wilkins"
4"Morris"
places(empty)
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences55
glossingSentenceCount1
matches
0"as though responding to something beyond the torch beam"
77.45% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.225
wordCount1632
matches
0"not toward true north but toward the far alcove"
1"not for convenience but for its hidden alignments, locations"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences74
matches(empty)
64.02% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs19
mean85.89
std32.13
cv0.374
sampleLengths
0131
189
2112
363
470
543
6108
731
8117
951
1034
1186
1288
1356
14132
1591
16137
1795
1898
72.87% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences65
matches
0"been lowered"
1"been opened"
2"been sealed"
3"been cleared"
4"was pulled"
5"been chosen"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs198
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount10
semicolonCount4
flaggedSentences12
totalSentences74
ratio0.162
matches
0"The worn leather watch on her left wrist caught a gleam of light as she checked the time again—nearly one in the morning, the sort of hour when the ordinary truths of a crime scene began to fray at the edges."
1"She crouched, the concrete cold through her trousers, and noted the faint swirl of dust around the shoulders—almost as though something had brushed the platform after the body settled."
2"The face carried faint etchings—curved lines that crossed in protective patterns rather than standard cardinal marks."
3"“Probably nothing. Some old souvenir he kept for luck or navigation down here. The light’s bad; the needle’s likely borked from the damp.”"
4"The beam of her own torch revealed a faint seam in the concrete wall—no wider than a credit card, yet straight and deliberate, running from floor to the height of her shoulders before disappearing behind a rusted conduit."
5"A bone token, smooth and carved with shallow spirals, rested half beneath the victim’s other hand; she nudged it free with a pen."
6"“You’re reading too much into a broken gadget and a bit of old bone, Detective. The lab will sort the wound; most of these underground jobs end the same—territory, debt, or a double-cross over inventory that doesn’t match the manifest. No need to chase shadows when the scene already tells the plain story.”"
7"The faint ozone scent that rose from the seam wasn’t from the railway lines; it hung differently, like charged air after a storm that never broke."
8"The edges weren’t straight cuts but slightly curved, spaced in a pattern no standard blade left without a serrated edge—and there was no serrated edge present in the dust or on the victim’s clothing."
9"Someone— or something—had opened the barrier only from this side, then left it ajar just far enough for the body to be carried through before it was pulled shut again."
10"Three years ago, her partner Morris had described a similar mismatch in another sealed space—wounds without weapons, entry without force—and the case had closed itself around an explanation nobody could prove."
11"Whatever had taken place here had used the station’s forgotten architecture the way a lockpick uses a tumbler—quiet, precise, and invisible to anyone looking only for blood and blades."
99.66% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1238
adjectiveStacks0
stackExamples(empty)
adverbCount50
adverbRatio0.04038772213247173
lyAdverbCount12
lyAdverbRatio0.009693053311793215
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences74
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences74
mean22.05
std13.87
cv0.629
sampleLengths
034
127
229
341
421
523
610
735
88
921
1031
1119
1229
134
1413
1550
1617
1716
1815
194
2018
215
2238
2325
2432
2516
267
2728
288
2923
3016
3118
3238
3318
347
3520
365
3746
389
3925
4010
4118
4223
435
4414
4516
467
4781
483
4953
59.01% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.3783783783783784
totalSentences74
uniqueOpeners28
52.91% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences63
matches
0"Instead she stored each mismatch:"
ratio0.016
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount15
totalSentences63
matches
0"he said, voice low enough"
1"It lay near the platform"
2"She crouched, the concrete cold"
3"She stood and walked the"
4"She let the explanation hang,"
5"She lifted it clear, turning"
6"She walked toward the alcove"
7"She traced one finger along"
8"She turned back to Wilkins."
9"It held its bearing on"
10"It fitted her palm like"
11"She stepped back to the"
12"She walked the platform to"
13"She returned to Wilkins and"
14"She moved toward the stairs"
ratio0.238
31.43% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount54
totalSentences63
matches
0"Harlow Quinn paused at the"
1"The emergency lights the forensics"
2"The worn leather watch on"
3"DS Tom Wilkins waited at"
4"The air down here tasted"
5"he said, voice low enough"
6"Quinn nodded once and crossed"
7"It lay near the platform"
8"The single gash across the"
9"She crouched, the concrete cold"
10"Wilkins crouched too, torchlight catching"
11"Quinn’s brown eyes tracked from"
12"The heavy iron bars above"
13"She stood and walked the"
14"The barrier held firm."
15"Wilkins shrugged, rising with her."
16"She let the explanation hang,"
17"The face carried faint etchings—curved"
18"She lifted it clear, turning"
19"The casing felt older than"
ratio0.857
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences63
matches(empty)
ratio0
53.57% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount6
matches
0"Harlow Quinn paused at the mouth of the rusted stairwell that dropped into the abandoned Tube station beneath Camden, letting the damp night air settle against …"
1"She crouched, the concrete cold through her trousers, and noted the faint swirl of dust around the shoulders—almost as though something had brushed the platform…"
2"It held its bearing on the seam, trembling once as though responding to something beyond the torch beam."
3"The skin around each mark showed the cleanest cauterization she’d seen outside controlled burns, as though the tissue had been sealed the instant the strike lan…"
4"Wilkins remained by the body, logging the time of death window on his pad, insisting the simplest version would hold."
5"The station itself had been chosen not for convenience but for its hidden alignments, locations that shifted yet always returned to points where normal barriers…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount1
matches
0"he said, voice low enough that it echoed anyway"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount0
fancyTags(empty)
dialogueSentences13
tagDensity0.231
leniency0.462
rawRatio0
effectiveRatio0
75.6736%