Run: 2026-06-24-01KVX312ESVW6SFRY4EA59JTNX

Run Details

Duration:
1m 10s
Cost:
$0.012675
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 fluorescent work lights carved harsh white cones through the darkness of the abandoned Tube station, and Detective Harlow Quinn ducked beneath the police tape with the economical motion of someone who had ducked beneath a thousand tapes before it. The air down here tasted of rust and old water, with something else underneath — something faintly metallic that sat wrong on the back of her tongue, like sucking on a copper coin. She checked her watch out of habit. The worn leather band had molded to the shape of her left wrist years ago, and the face read 11:47 PM. Three hours since the call came in. Three hours since a transport police officer doing a routine sweep of the Camden tunnels had stumbled on a body in the dark. "Quinn." DCI Farrow's voice echoed off the curved tile walls before she could see him. He emerged from behind a pillar, his broad frame stuffed into a rumpled suit that looked like he'd been pulled from a dinner party. Knowing Farrow, he had been. "Glad you could join us." "You said the word 'anomalous.' I was in the car before you finished the sentence." She straightened and took in the platform — the old South Kentish Town station, closed since 1924, its walls still wearing fragments of Edwardian advertising beneath decades of grime. The tiled arches gave the space a churchlike quality, except churches didn't smell like this. "What've we got?" Farrow led her along the platform, their footsteps crunching on debris and old glass. The work lights had been set up in a rough semicircle around the body, and the scene hit her all at once. A man, mid-thirties perhaps, lay on his back on the platform tiles. Dark coat, dark trousers, expensive shoes — the kind with leather soles that would have clicked on a proper floor. His arms were at his sides, palms up, fingers slightly curled. No visible wounds. No blood. No sign of struggle. He looked like he'd lain down for a nap and simply hadn't woken up. "Vincent Hale," Farrow said, consulting his phone. "Forty-one. Import-export. Address in Hampstead. Transport cop found him at eight-forty this evening." Quinn crouched beside the body, her knees popping in the damp cold. She studied the man's face — slack, grey, the eyes half-open and staring at the vaulted ceiling with an expression that might have been surprise or might have been nothing at all. She leaned closer. The pupils were fixed, but they weren't the flat black she expected. There was something in them, a faint residue, like oil on water. "Time of death?" she asked. "Pathologist says roughly six hours before discovery. So early afternoon, sometime around two or three." "An import-export man takes a two-mile walk underground in the middle of the afternoon and lies down to die." She tilted her head, studying the body's position. "No drag marks. No displacement of the dust around him. He settled exactly where he fell?" "Looks that way." "And nobody saw him enter? There are access points at both ends of this tunnel. The northern shaft opens onto the street." "Locked. Both of them. We checked." Quinn stood and took three slow steps backward, her eyes moving across the platform in a grid pattern the way she'd been trained — the way Morris had trained her, before. The dust on the tiles was undisturbed except around the body. No footprints led to or from Hale. None. As though he had materialised on the platform fully formed and dropped where he stood. She pulled a small flashlight from her jacket and swept the beam along the base of the wall. Halfway between the body and the tunnel mouth, something caught the light — a faint scuffing on the tile, a mark that wasn't quite a scratch and wasn't quite a burn. She crouched again, bringing the light close. The mark was irregular, roughly hand-sized, and the tile beneath it had discoloured to a dull greenish-black, as if something corrosive had rested there and then been removed. "Farrow. Come look at this." He walked over, squatting beside her with less grace. "What am I looking at?" "This mark. You see the oxidation pattern? Something was here. Something metal, with a high copper content. Brass, maybe." Farrow squinted. "Could be anything. Old pipe fitting, piece of junk someone dragged through here." "With no drag marks leading to it. No footprints. No trail in the dust." She stood. "What's your read on this?" Farrow straightened and brushed off his trousers. "Hale was a businessman with connections to half a dozen shell companies. My read? He was meeting someone down here. Drop went sideways, he was poisoned, and the other party cleaned up after themselves. Took whatever they were carrying and left him. The lack of footprints means they came prepared — boot covers, maybe a full cleanup kit. Professional job." It was a clean theory. It accounted for the body, the lack of visible trauma, the absence of evidence. Farrow was good at clean theories. He'd built a career on them. "It doesn't account for the access points being locked from the inside," Quinn said. "Maintenance shaft. There's a third entrance through the ventilation system — we're still mapping it. Someone could have come and gone that way." Quinn walked back to the body and crouched a third time. She studied Hale's hands, turning the right one gently with two gloved fingers. The fingertips were clean — too clean. The nails were neatly trimmed and there was no grime beneath them, no dust, no trace of the filth that coated every surface down here. She checked the soles of his shoes. Pristine. Not a speck of dirt, not a trace of the broken glass and debris that covered the platform. "His shoes are clean, Farrow." "So?" "So he's lying in the middle of an abandoned Tube station that hasn't been cleaned since 1924, and there's no dust on his shoes. No dirt on his hands. No grime on his coat. He didn't walk here." Farrow opened his mouth, then closed it. She could see him rerunning the scene in his head, rearranging the pieces. "Could have been carried," he said, but there was less conviction in it now. "Carried through locked doors with no sign of forced entry, down a maintenance shaft, and placed on the platform without disturbing a single particle of dust in a four-foot radius? By a professional who then vanished into thin air?" She paused. "That's not a drug deal gone wrong. That's a magic trick." Farrow's jaw tightened. "What are you saying, Quinn?" She wasn't sure yet. That was the problem. Three years ago, she would have said something sharp and certain and moved on. Three years ago, Morris had been alive, and the world had operated according to rules she understood. But Morris had died in a room with no exits, no weapons, and no witnesses, and the case file sat in her desk drawer with a stamp that said CLOSED and a truth underneath it that she couldn't name. Something had been wrong with that room. Something was wrong with this station. She stood and walked to the curved wall, running her flashlight along the tiles. Near the tunnel mouth, behind a corroded pipe, she found it — a symbol scratched into the glaze, small enough to miss if you weren't looking. A circle bisected by a vertical line, with two smaller marks at the base. She didn't recognise it, but she recognised the precision of it. This wasn't graffiti. This was deliberate. She photographed it with her phone, then swept the light further. Three feet away, another symbol — different, but with the same careful execution. And three feet beyond that, a third. "Farrow, I need CSIS to do a full pass on these walls. Every inch. Photographs, casts, the works. And I want the pathologist to check Hale's eyes specifically. There's something in the irises that isn't normal postmortem artefact." "You're reaching." "Maybe. But you called me down here because something didn't add up. I'm telling you — something doesn't add up." She turned to face him. "This man didn't walk in here. He didn't die of natural causes. And whoever put him here didn't use any entrance we've found. That's not a locked-room mystery, Farrow. That's a different kind of problem entirely." Farrow held her gaze for a long moment, then looked away, back at the body on the tiles. The work lights hummed and flickered. Somewhere deeper in the tunnel, water dripped in a rhythm that sounded almost intentional. "Write it up," he said. "I'll get the team on the symbols. But Quinn — keep it grounded. I don't want a file full of speculation." She nodded, and he walked back toward the platform stairs, his footsteps fading. Quinn stayed where she was, flashlight aimed at the scratched symbols on the wall. The metallic taste was stronger now, sharper, almost electric. She thought of Morris. She thought of the room with no exits. She looked down at the body of Vincent Hale, at his clean hands and his surprised eyes, and she thought: you walked into something, didn't you? Something that doesn't show up in any report I've ever filed. Something that the world pretends doesn't exist. Her phone buzzed. A text from an unknown number, three words and a location: *Camden. Ask questions.* She stared at it for a long time, then slid the phone back into her pocket. The curved walls of the station pressed in around her, and the darkness beyond the work lights felt less like an absence and more like a presence, patient and watchful, waiting to see what she would do next.
created_at"2026-06-24T15:12:25.574Z" 6/24/2026, 3:12:25 PM
model"z-ai/glm-5.2-20260616"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2696
moderation_latency(null)
generation_time70263
tokens_prompt923
tokens_completion3349
native_tokens_prompt849
native_tokens_completion2826
native_tokens_completion_images(null)
native_tokens_reasoning739
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)
usage0.01267452
router(null)
provider_responses
0
endpoint_id"442ea97f-ad5e-40d5-b9a6-66e9e0417dce"
id"20260624231225b0bf90c983514807"
is_byokfalse
latency2696
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-1782313945-SFPk3ORGN5HdopGR45MU"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782313945-A7pk4biMYI8VahEIf0F1"
upstream_id"20260624231225b0bf90c983514807"
total_cost0.01267452
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
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags11
adverbTagCount0
adverbTags(empty)
dialogueSentences35
tagDensity0.314
leniency0.629
rawRatio0
effectiveRatio0
93.81% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1615
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"gently"
count1
highlights
0"slightly"
1"gently"
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)
81.42% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1615
totalAiIsms6
found
0
word"echoed"
count1
1
word"footsteps"
count2
2
word"pristine"
count1
3
word"flickered"
count1
4
word"electric"
count1
highlights
0"echoed"
1"footsteps"
2"pristine"
3"flickered"
4"electric"
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
narrationSentences93
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences93
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences117
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen59
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords3
totalWords1628
ratio0.002
matches
0"Camden. Ask questions."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions38
wordCount1126
uniqueNames14
maxNameDensity0.89
worstName"Farrow"
maxWindowNameDensity2.5
worstWindowName"Farrow"
discoveredNames
Tube1
Detective1
Harlow1
Quinn6
Camden2
Farrow10
South1
Kentish1
Town1
Edwardian1
Morris4
Hale3
Vincent1
Three5
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Farrow"
4"Morris"
5"Hale"
6"Vincent"
places
0"South"
1"Kentish"
2"Town"
globalScore1
windowScore0.833
39.71% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences68
glossingSentenceCount3
matches
0"looked like he'd been pulled from a dinne"
1"looked like he'd lain down for a nap and"
2"quite a scratch and wasn't quite a burn"
3"quite a burn"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1628
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences117
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs46
mean35.39
std25.64
cv0.724
sampleLengths
073
158
249
362
436
566
620
771
85
915
1043
113
1222
136
1465
1584
165
1714
1819
1915
2021
2167
2231
2314
2423
2582
265
271
2838
2920
3014
3152
328
3391
3471
3531
3638
372
3861
3938
4026
4148
4244
4314
443
4554
93.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences93
matches
0"been pulled"
1"been trained "
2"been removed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs183
matches
0"weren't looking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount9
semicolonCount0
flaggedSentences9
totalSentences117
ratio0.077
matches
0"The air down here tasted of rust and old water, with something else underneath — something faintly metallic that sat wrong on the back of her tongue, like sucking on a copper coin."
1"\"You said the word 'anomalous.' I was in the car before you finished the sentence.\" She straightened and took in the platform — the old South Kentish Town station, closed since 1924, its walls still wearing fragments of Edwardian advertising beneath decades of grime."
2"Dark coat, dark trousers, expensive shoes — the kind with leather soles that would have clicked on a proper floor."
3"She studied the man's face — slack, grey, the eyes half-open and staring at the vaulted ceiling with an expression that might have been surprise or might have been nothing at all."
4"Quinn stood and took three slow steps backward, her eyes moving across the platform in a grid pattern the way she'd been trained — the way Morris had trained her, before."
5"Halfway between the body and the tunnel mouth, something caught the light — a faint scuffing on the tile, a mark that wasn't quite a scratch and wasn't quite a burn."
6"The fingertips were clean — too clean."
7"Near the tunnel mouth, behind a corroded pipe, she found it — a symbol scratched into the glaze, small enough to miss if you weren't looking."
8"Three feet away, another symbol — different, but with the same careful execution."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1121
adjectiveStacks0
stackExamples(empty)
adverbCount36
adverbRatio0.032114183764495985
lyAdverbCount7
lyAdverbRatio0.006244424620874219
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences117
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences117
mean13.91
std11.15
cv0.802
sampleLengths
040
133
27
321
47
523
615
724
85
95
1044
1115
123
1314
1422
1512
1620
1711
183
192
204
2114
227
2313
2412
2532
263
2712
2812
295
3015
3127
3216
333
3422
356
3631
3711
387
391
4015
4118
4231
437
4428
455
469
475
4819
492
54.99% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats14
diversityRatio0.4017094017094017
totalSentences117
uniqueOpeners47
40.65% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences82
matches
0"Somewhere deeper in the tunnel,"
ratio0.012
78.54% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount29
totalSentences82
matches
0"She checked her watch out"
1"He emerged from behind a"
2"She straightened and took in"
3"His arms were at his"
4"He looked like he'd lain"
5"She studied the man's face"
6"She leaned closer."
7"She tilted her head, studying"
8"She pulled a small flashlight"
9"She crouched again, bringing the"
10"He walked over, squatting beside"
11"It was a clean theory."
12"It accounted for the body,"
13"He'd built a career on"
14"She studied Hale's hands, turning"
15"She checked the soles of"
16"She could see him rerunning"
17"he said, but there was"
18"She wasn't sure yet."
19"She stood and walked to"
ratio0.354
69.76% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount64
totalSentences82
matches
0"The fluorescent work lights carved"
1"The air down here tasted"
2"She checked her watch out"
3"The worn leather band had"
4"He emerged from behind a"
5"She straightened and took in"
6"The tiled arches gave the"
7"Farrow led her along the"
8"The work lights had been"
9"A man, mid-thirties perhaps, lay"
10"His arms were at his"
11"He looked like he'd lain"
12"Farrow said, consulting his phone"
13"Quinn crouched beside the body,"
14"She studied the man's face"
15"She leaned closer."
16"The pupils were fixed, but"
17"She tilted her head, studying"
18"Quinn stood and took three"
19"The dust on the tiles"
ratio0.78
60.98% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences82
matches
0"As though he had materialised"
ratio0.012
34.16% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences46
technicalSentenceCount7
matches
0"The fluorescent work lights carved harsh white cones through the darkness of the abandoned Tube station, and Detective Harlow Quinn ducked beneath the police ta…"
1"Dark coat, dark trousers, expensive shoes — the kind with leather soles that would have clicked on a proper floor."
2"She studied the man's face — slack, grey, the eyes half-open and staring at the vaulted ceiling with an expression that might have been surprise or might have b…"
3"The mark was irregular, roughly hand-sized, and the tile beneath it had discoloured to a dull greenish-black, as if something corrosive had rested there and the…"
4"She could see him rerunning the scene in his head, rearranging the pieces."
5"But Morris had died in a room with no exits, no weapons, and no witnesses, and the case file sat in her desk drawer with a stamp that said CLOSED and a truth un…"
6"Somewhere deeper in the tunnel, water dripped in a rhythm that sounded almost intentional."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags11
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount0
fancyTags(empty)
dialogueSentences35
tagDensity0.143
leniency0.286
rawRatio0
effectiveRatio0
84.3761%