Run: 2026-06-24-01KVX2SNXDS640GBMS4PBPZYSS

Run Details

Duration:
52.9s
Cost:
$0.009053
Provider:
Z.AI

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 body lay at the bottom of the escalator like something dropped from a great height. Detective Harlow Quinn ducked under the crime scene tape and descended the concrete steps into the abandoned Tube station beneath Camden, her worn leather watch catching the thin light of the forensic lamps as she moved. The air down here tasted of rust and old water and something else — something mineral and wrong, like licking a copper pipe. She catalogued the taste and kept moving. "Detective Quinn." PC Fennell materialized from the gloom at the base of the stairs, young and trying very hard to look like he belonged here. "Scene's been secured since oh-four-twelve. Response team initially flagged it as a fall, but the DI thought you should see it given the, ah. The circumstances." Quinn said nothing. She walked past him. The station had been closed since 1984, according to the file she'd pulled on her phone during the drive over. Charing Cross branch of the Northern line, decommissioned and bricked up, nominally sold to a property development firm that had done nothing with it in six years. The tiles along the curved walls were the color of dirty teeth, and every few meters a poster clung to its frame — faded advertisements for shows that had closed decades ago, their faces bleached to ghosts. The escalator shaft was a throat of broken machinery, and at the bottom, lit by the harsh white glare of portable LED arrays, was the dead man. He lay on his back, arms at his sides. Mid-forties, thick build, dressed in a dark wool coat over a charcoal suit. No visible blood, no obvious trauma. His shoes were polished. His hands were clean. Quinn crouched beside him. She noted the position of the limbs — unnaturally symmetrical, as though someone had arranged him. She noted the absence of scuffing on the escalator's metal edges, the lack of any displacement of the grit and debris that coated every surface down here. She noted the man's expression: calm. Not the blankness of death, but a composed, deliberate peace, as though he'd simply decided to stop living and sat down to do it properly. "How did response get the call?" she asked without looking up. Fennell consulted his notebook. "Anonymous tip. Voice-disguised, according to dispatch. The caller said there was a body at the Camden deep shelter site. That's how they referred to it — deep shelter site. Not the station." "Deep shelter site." Quinn turned the phrase over. "That's not standard terminology. Not for the public." "No, ma'am." She stood and looked up the escalator shaft. The angle was steep, the drop significant. If he'd fallen from the top, there would be impact damage. Fractures. The kind of catastrophic injury that made a body look broken rather than resting. She'd seen enough falls to know the difference between a person who'd dropped and a person who'd been placed. "Where's Clark?" she asked. "Detective Sergeant Clark is near the platform, ma'am. He's been here about twenty minutes." Quinn followed the curve of the tunnel toward the eastbound platform. The tunnel smelled worse here — that mineral wrongness thicker, almost tactile, pressing against the inside of her nose like a humidity that had nothing to do with water. She found DS Clark standing beneath one of the skeletal light fixtures, his phone raised, taking photographs he probably shouldn't be taking. "Quinn," he said, lowering the phone. He was a big man, early fifties, with the kind of permanent stubble that suggested either a medical condition or a personal philosophy. "Glad you're here. Bit of an odd one." "Walk me through your read." Clark gestured back toward the escalator. "Male, mid-forties, no ID on the body but we've got a wallet in the coat pocket — one Terence Grieve, address in Islington, works in finance. No priors, no flags. My guess is he came down here for whatever reason — urban exploration, meeting someone, who knows — lost his footing on the escalator, fell, and that was that. Simple misadventure." "No impact trauma," Quinn said. "Could be internal. We won't know until the PM." "His shoes are clean, Clark. His hands are clean. There's grit on every surface in this station — you can see it, you can feel it under your boots — and this man walked down an abandoned escalator into a sealed tunnel and didn't pick up a single mark?" Clark's expression shifted into the particular patience he reserved for her. "Maybe he was careful. Maybe he wiped himself down. People do strange things." "And someone called it in anonymously using non-standard terminology for the location, and the body is arranged in perfect symmetry at the base of the shaft." "Arranged." Clark put the word in quotes with his voice. "You think someone positioned him after death? Why?" Quinn didn't answer. She'd moved past him, walking slowly along the platform, her eyes tracing the tilework, the old signage, the seams where the walls met the ceiling. The LED lamps the forensics team had set up threw hard shadows that made the space feel surgical, clinical. But the station itself resisted that — it felt organic, like the belly of something that had swallowed them all. She stopped. There, in a recessed alcove where a ticket machine had once stood, she found something that didn't belong. A circle of small bones — finger bones, she thought, though she didn't touch them — arranged on the ground in a pattern that was too deliberate to be anything but deliberate. In the center of the circle sat a small brass compass, its casing green with verdigris, its face etched with symbols she didn't recognize. "Clark," she said. "Come look at this." His boots crunched on the grit as he approached. He stopped beside her, looked down at the arrangement, and let out a slow breath. "Christ. What is that, some kind of ritual?" "That depends on who you ask." Quinn crouched again, tilting her head to study the compass. Its needle was moving — not the lazy drift of a damaged instrument, but a slow, deliberate rotation, as though it was searching for something. It settled, pointed down the tunnel toward the far end of the platform, and held there. Rock steady. "Compass shouldn't be doing that down here," Clark said. "Too much metal in the structure, magnetic interference from the tunnels — it should be all over the place." "It's not pointing north," Quinn said quietly. She stood and looked down the platform into the darkness beyond the reach of the forensic lights. The tunnel curved, and beyond the curve, the blackness was total. But she could feel something there — not a presence, exactly, but an absence. A place where the air itself seemed to thin, where the weight of the underground simply stopped, and beyond it was something else entirely. She thought of Morris. Three years ago, in a cellar in Whitechapel, the look on his face in the moment before whatever took him arrived. She'd never been able to name it — not fear, not recognition, but something between the two. A seeing. He'd seen something, and it had swallowed him whole, and she'd spent every day since trying to learn what it was. "There's more to this scene," she said. "I want the alcove photographed and the compass bagged as evidence. I want Grieve's financials pulled — the full picture, not just the surface. And I want to know who Terence Grieve was meeting, because he didn't come down here alone." "You think there was a second person?" "I think someone laid those bones. I think someone placed that compass. And I think someone arranged Terence Grieve at the bottom of an escalator with the care of someone laying out a body for viewing." She looked at Clark. "This isn't misadventure. This is a stage. And we're the audience." Clark stared at her for a long moment, then down at the compass with its impossible needle, then back at her. He put his phone away. "What do you think is down there?" he asked, nodding toward the dark curve of the tunnel. Quinn watched the compass needle hold its line, steady as a heartbeat, pointing toward something she couldn't see and wasn't yet ready to name. "Something that somebody wanted us to find," she said. "Or somewhere they didn't want us to miss." She straightened, touched the worn leather band of her watch, and began to walk toward the dark.
created_at"2026-06-24T15:08:23.353Z" 6/24/2026, 3:08:23 PM
model"z-ai/glm-5.2-20260616"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3325
moderation_latency(null)
generation_time52776
tokens_prompt923
tokens_completion2382
native_tokens_prompt849
native_tokens_completion2003
native_tokens_completion_images(null)
native_tokens_reasoning189
native_tokens_cached832
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"stop"
service_tier(null)
usage0.00905332
router(null)
provider_responses
0
endpoint_id"442ea97f-ad5e-40d5-b9a6-66e9e0417dce"
id"202606242308237246097600f94c55"
is_byokfalse
latency3325
model_permaslug"z-ai/glm-5.2-20260616"
provider_name"Z.AI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.16.0; linux; x64))"
http_referer(null)
request_id"req-1782313703-RDkQYUXDSdQSjk7nhwF0"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782313703-2RcJrNK7mytvHwWCz2vr"
upstream_id"202606242308237246097600f94c55"
total_cost0.00905332
cache_discount0.00094848
upstream_inference_cost0
provider_name"Z.AI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
85.71% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags15
adverbTagCount2
adverbTags
0"Quinn crouched again [again]"
1"Quinn said quietly [quietly]"
dialogueSentences35
tagDensity0.429
leniency0.857
rawRatio0.133
effectiveRatio0.114
92.89% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1406
totalAiIsmAdverbs2
found
0
adverb"very"
count1
1
adverb"slowly"
count1
highlights
0"very"
1"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)
64.44% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1406
totalAiIsms10
found
0
word"gloom"
count1
1
word"standard"
count2
2
word"perfect"
count1
3
word"tracing"
count1
4
word"etched"
count1
5
word"structure"
count1
6
word"magnetic"
count1
7
word"could feel"
count1
8
word"weight"
count1
highlights
0"gloom"
1"standard"
2"perfect"
3"tracing"
4"etched"
5"structure"
6"magnetic"
7"could feel"
8"weight"
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
narrationSentences74
matches(empty)
27.03% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount4
hedgeCount2
narrationSentences74
filterMatches
0"watch"
1"look"
2"feel"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences94
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
totalWords1424
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions18
unquotedAttributions0
matches(empty)
98.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions26
wordCount974
uniqueNames10
maxNameDensity1.03
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn10
Tube1
Camden1
Fennell2
Cross1
Northern1
Clark7
Morris1
Whitechapel1
persons
0"Harlow"
1"Quinn"
2"Fennell"
3"Clark"
4"Morris"
places
0"Whitechapel"
globalScore0.987
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences50
glossingSentenceCount1
matches
0"something between the two"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches6
per1kWords4.213
wordCount1424
matches
0"Not the blankness of death, but a composed, deliberate peace, as though he'd simply decided"
1"no ID on the body but"
2"not the lazy drift of a damaged instrument, but a slow, deliberate rotation, as though it was searching for"
3"not a presence, exactly, but an absence"
4"not fear, not recognition, but something between the two"
5"not recognition, but something between the two"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences94
matches
0"resisted that — it"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean33.12
std26.29
cv0.794
sampleLengths
016
166
251
37
4111
536
678
711
836
916
102
1160
124
1314
1462
1537
165
1767
185
199
2049
2124
2226
2318
2467
252
2674
277
2824
298
3059
3128
327
3366
3465
3548
367
3751
3826
3917
4024
4117
4217
95.78% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences74
matches
0"been closed"
1"been placed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs172
matches
0"was moving "
1"was searching"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount10
semicolonCount0
flaggedSentences9
totalSentences94
ratio0.096
matches
0"The air down here tasted of rust and old water and something else — something mineral and wrong, like licking a copper pipe."
1"The tiles along the curved walls were the color of dirty teeth, and every few meters a poster clung to its frame — faded advertisements for shows that had closed decades ago, their faces bleached to ghosts."
2"She noted the position of the limbs — unnaturally symmetrical, as though someone had arranged him."
3"The tunnel smelled worse here — that mineral wrongness thicker, almost tactile, pressing against the inside of her nose like a humidity that had nothing to do with water."
4"But the station itself resisted that — it felt organic, like the belly of something that had swallowed them all."
5"A circle of small bones — finger bones, she thought, though she didn't touch them — arranged on the ground in a pattern that was too deliberate to be anything but deliberate."
6"Its needle was moving — not the lazy drift of a damaged instrument, but a slow, deliberate rotation, as though it was searching for something."
7"But she could feel something there — not a presence, exactly, but an absence."
8"She'd never been able to name it — not fear, not recognition, but something between the two."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount965
adjectiveStacks0
stackExamples(empty)
adverbCount21
adverbRatio0.021761658031088083
lyAdverbCount12
lyAdverbRatio0.012435233160621761
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences94
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences94
mean15.15
std11.24
cv0.742
sampleLengths
016
136
223
37
425
526
63
74
820
927
1037
1127
129
1313
146
154
164
174
1816
1927
206
2125
2211
234
2432
258
268
272
288
297
3011
311
3214
3319
344
3514
3611
3729
3822
396
4023
418
425
436
4461
455
469
4749
4811
4913
75.53% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.4787234042553192
totalSentences94
uniqueOpeners45
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences64
matches(empty)
ratio0
51.25% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount27
totalSentences64
matches
0"She catalogued the taste and"
1"She walked past him."
2"He lay on his back,"
3"His shoes were polished."
4"His hands were clean."
5"She noted the position of"
6"She noted the absence of"
7"She noted the man's expression:"
8"she asked without looking up"
9"She stood and looked up"
10"She'd seen enough falls to"
11"She found DS Clark standing"
12"he said, lowering the phone"
13"He was a big man,"
14"She'd moved past him, walking"
15"His boots crunched on the"
16"He stopped beside her, looked"
17"Its needle was moving —"
18"It settled, pointed down the"
19"She stood and looked down"
ratio0.422
30.31% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount55
totalSentences64
matches
0"The body lay at the"
1"Detective Harlow Quinn ducked under"
2"The air down here tasted"
3"She catalogued the taste and"
4"PC Fennell materialized from the"
5"Quinn said nothing."
6"She walked past him."
7"The station had been closed"
8"The tiles along the curved"
9"The escalator shaft was a"
10"He lay on his back,"
11"His shoes were polished."
12"His hands were clean."
13"Quinn crouched beside him."
14"She noted the position of"
15"She noted the absence of"
16"She noted the man's expression:"
17"she asked without looking up"
18"Fennell consulted his notebook."
19"Quinn turned the phrase over"
ratio0.859
78.13% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences64
matches
0"If he'd fallen from the"
ratio0.016
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences38
technicalSentenceCount8
matches
0"Not the blankness of death, but a composed, deliberate peace, as though he'd simply decided to stop living and sat down to do it properly."
1"The kind of catastrophic injury that made a body look broken rather than resting."
2"The tunnel smelled worse here — that mineral wrongness thicker, almost tactile, pressing against the inside of her nose like a humidity that had nothing to do w…"
3"She'd moved past him, walking slowly along the platform, her eyes tracing the tilework, the old signage, the seams where the walls met the ceiling."
4"The LED lamps the forensics team had set up threw hard shadows that made the space feel surgical, clinical."
5"But the station itself resisted that — it felt organic, like the belly of something that had swallowed them all."
6"A circle of small bones — finger bones, she thought, though she didn't touch them — arranged on the ground in a pattern that was too deliberate to be anything b…"
7"Its needle was moving — not the lazy drift of a damaged instrument, but a slow, deliberate rotation, as though it was searching for something."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags15
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags10
fancyCount0
fancyTags(empty)
dialogueSentences35
tagDensity0.286
leniency0.571
rawRatio0
effectiveRatio0
76.6577%