Run: 2026-09-10-01M25DE0R1YK59QVKG0C4Z4C66

Run Details

Duration:
20.6s
Cost:
$0.001856
Provider:
DeepSeek

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 call came in at 4:12 a.m., and by the time Harlow Quinn ducked under the police tape strung across a shuttered Camden Town tube entrance, she had already decided she didn't like it. Not the hour. She was used to the hour. What she didn't like was the location: an abandoned station, decommissioned before the war, sealed behind hoarding and pigeon netting for as long as anyone had thought to care. There were fifty-two such dead stations beneath London, and in eighteen years of service she'd been called into exactly three of them. None of the calls had ended well. She descended the emergency stair on her heel-toe cadence, counting. Forty-one steps, then the air changed. Colder, mineral, with an undertow smell of wet brick and something sweeter beneath it—candle wax, maybe, or incense long burned down. Her torch swept the walls and caught flaking tiles, their cream glaze crazed into a map of tiny cracks. At the bottom, a uniformed constable with a torch in one hand and a queasy set to his jaw stepped aside without being asked. "Ma'am. It's on the eastbound platform." "Who's bagged it?" "Nobody, ma'am. Scene's been kept as found." Good. She liked the young ones when they followed instructions. The platform opened up ahead of her, a long vaulted throat of darkness with a single arc lamp staked at its centre throwing cheap white light across the tiles. The tiles on the platform edge bore a name, painted over but still legible under the grime in a ghost of white enamel: SOUTHWARK NORTH. Which was wrong. Southwark North was on the other side of the river, and she had walked down a Camden stairwell twenty minutes ago. She filed that away and kept walking. The body lay face-up near the platform's midpoint, on the yellowed strip of warning tiles. A man, late fifties, in a good wool coat. No blood. No pooling. His hands were folded over his chest—no, not folded. His left hand was curled around something small and pale, and his right hand was pressed flat to his sternum as if he'd been reaching for the inside of his coat when he stopped. Kneeling by the body, in a high-vis vest two sizes too big, was Eva Kowalski. Quinn stopped six feet short. "You're not a pathologist." "I know." Eva didn't look up. She had her satchel open beside her and a notebook balanced on her knee, and her pen was moving. "Your sergeant said I could stay if I didn't touch anything. I haven't touched anything." "You've touched the floor with your knees." "With my knees, yes, but not with my hands." She tucked a strand of red hair behind her left ear and finally looked up, glasses catching the arc light into two flat coins. "The floor's dry right where I'm kneeling, by the way. Which is the first thing that's wrong." Quinn took out her notebook. "Go on." "You'll want to see it yourself. Come and look at his feet." She came and looked at his feet. The man wore good shoes, hand-stitched, the leather dulled grey with tunnel dust. His soles were scuffed at the toes and along the outer edges—the wear of a man who walked a great deal on hard pavements—but the uppers were clean. Rested, unmarked. No spatter, no smear. The floor around him was damp. Quinn had felt it through her own soles the moment she stepped onto the platform, that film of water that older tunnels never quite shed. But it was patchy. Damp in the low ground near the track, drier along the wall, and bone-dry in a rough circle about the body, three feet in radius, as if someone had drawn a ring around the man with a mop. "Who found him?" "A track-walking crew out of the TfL depot," the constable said. "Structural survey, they said. They came down at eleven, found him, called it in." "And before that?" "No one's been down here in years, ma'am. It's not on any current plan. This whole loop went out of service in 'thirty-eight." Quinn crouched and put her torch at a shallow angle, throwing the floor into screaming relief. And there they were: footprints. A line of them, coming down the tunnel from the west, still dark with water, the tread pressing crisp shapes into the dust. She counted seven before the trail stopped. It stopped in the middle of the dry circle. Three feet from the body. No return prints. No prints approaching from the stairwell, where Quinn had just walked. No prints at all on the far side of the platform. Just those seven, laid down in a straight line, and then—nothing. The trail ended the way a sentence ends when someone lifts the pen. "Where's the pathologist?" "On the way. Forty minutes." Quinn stood. "Right. Walk me through your version." Eva closed the notebook. "He wasn't killed here." "That's your version?" "That's the plain reading. He's got no injuries, no blood loss, the colour in his face is wrong for a man who bled out anyway. And he's dry. Thoroughly dry—coat, collar, the cuffs. I checked his shoes. If he'd walked down here himself, his trouser hems would be soaked to the calf. This tunnel's damp. You can feel it through your socks." "Maybe he was carried." "By whom? The prints are single file. One person, coming from the west. And if one person carried a grown man down that tunnel and set him here, they'd have left a second set of prints under the load—deeper, wider stance. These are the prints of someone walking unencumbered." She adjusted her glasses. "So he was carried in, and then the carrier's prints erased themselves. Or he wasn't carried at all." Quinn didn't like the second option. She moved past it. "What's in his hand?" Eva hesitated. "That's the part I'd rather you saw yourself." The man's fingers had stiffened around the object but not so far that Quinn couldn't ease them apart with a biro. What came free was a knucklebone. Human, probably—off-white, worn smooth, drilled through the centre and threaded on a length of black cord. A token, of the sort people used at fairgrounds. Admit one. "Bone token," Eva said quietly. "You trade for them. You can't buy them with money." "Trade with whom?" "With the market." Quinn looked at her for a long moment, then looked back at the dead man. "And what market would that be, Eva." "The one that was here last night." Eva pointed up, past the arc light, at the vaulted ceiling of the platform. "It's a full moon tonight. They move on the full moon. If they were here last night, they've gone." Quinn's torch swept the wall. She saw what she'd taken for tunnel grime and, beneath it, a remnant of the station's old advertising. She saw a rusted bracket. She saw, at intervals along the platform, small marks scratched into the tile at hip height—not graffiti, too regular for graffiti, a repeated symbol no bigger than a thumbprint. Circles within circles. She had seen that symbol before. She had seen it chalked on the platform of another dead station three years ago, the night DS Morris went into a tunnel chasing a suspect and never came out, and the inquiry had ruled it a fall, and she had never once believed it. She put her thumb over the symbol and said nothing. Eva had opened the satchel and was holding something out: a small brass compass, verdigris creeping across the casing, the face etched with tiny sigils in a hand Quinn didn't recognise. "This was in his other pocket. I haven't opened it. I don't think you should either—" Quinn took it and opened it. The needle did not point north. It spun once, lazily, like something waking, and then settled—steady, insistent—pointing straight at the tunnel wall. At a patch of brick between two lamps where the grime lay thicker than it had any right to. "That's not a direction," she said. "No," Eva said. "It's a door." Quinn walked to the wall. The constable said something behind her about the pathologist arriving but she wasn't listening. She put her palm flat against the brick, expecting the deep cold of a hundred years of darkness, the chill that never leaves a tunnel's bones. The wall was warm. Dry, and warm, and under her hand she could feel the faintest pulse—not a heartbeat, nothing so crude; the slow tidal pressure of something breathing on the other side. She took her hand away. The compass needle stayed true. Seven prints, she thought. Coming in. None going out. A man dry as a bone in a damp tunnel. A circle of floor the water wouldn't touch. A name on the tiles that belonged on the other side of the river. They hadn't killed him here. They hadn't carried him here either, not the way she understood carrying. They had brought him through. And whatever it was that had brought him, it hadn't walked. "Ma'am?" the constable said. "Ma'am, what do you want me to put in the log?" Quinn looked at the wall, and the wall looked back the way a wall does. "Put that the scene is under investigation," she said, and closed the compass, and did not tell him what she'd felt, because she'd spent three years telling herself it wasn't possible, and she was very much afraid that saying it aloud would make it true.
created_at"2026-09-10T10:22:21.958Z" 9/10/2026, 10:22:21 AM
model"deepseek/deepseek-v4.1-flash-20260910"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency810
moderation_latency(null)
generation_time20597
tokens_prompt896
tokens_completion3178
native_tokens_prompt883
native_tokens_completion2872
native_tokens_completion_images(null)
native_tokens_reasoning780
native_tokens_cached0
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)
usage0.00185565
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1789035741-YudjFIwS1H5NyNeyUboH"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1789035741-loaavVqpKQQWTYByy4yS"
upstream_id"9de11d1b-a676-4c02-9e84-016f1cd1246c"
provider_responses
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endpoint_id"fd104bc8-535a-4d31-a847-a8e402e86a02"
id"9de11d1b-a676-4c02-9e84-016f1cd1246c"
is_byokfalse
latency377
model_permaslug"deepseek/deepseek-v4.1-flash-20260910"
provider_name"DeepSeek"
status200
total_cost0.00185565
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags10
adverbTagCount1
adverbTags
0"Eva said quietly [quietly]"
dialogueSentences41
tagDensity0.244
leniency0.488
rawRatio0.1
effectiveRatio0.049
93.75% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1600
totalAiIsmAdverbs2
found
0
adverb"lazily"
count1
1
adverb"very"
count1
highlights
0"lazily"
1"very"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
87.50% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1600
totalAiIsms4
found
0
word"etched"
count1
1
word"chill"
count1
2
word"could feel"
count1
3
word"pulse"
count1
highlights
0"etched"
1"chill"
2"could feel"
3"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
narrationSentences100
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences100
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences131
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen63
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1587
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions31
wordCount1192
uniqueNames9
maxNameDensity1.26
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn15
Camden2
Town1
London1
North1
Eva8
Kowalski1
Morris1
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Morris"
places
0"Camden"
1"Town"
2"London"
globalScore0.871
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences63
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1587
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences131
matches
0"seen that symbol"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs58
mean27.36
std26.07
cv0.953
sampleLengths
034
167
280
36
43
57
610
778
87
971
1015
119
1240
137
1450
157
1612
1754
1873
193
2025
213
2223
2344
247
2563
263
275
288
298
303
3162
324
3371
3410
354
3610
3754
3815
393
403
4122
4240
43111
4410
4547
466
4741
486
496
84.21% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences100
matches
0"was used"
1"been called"
2"being asked"
3"were folded"
4"was curled"
5"were scuffed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs184
matches
0"was holding"
1"wasn't listening"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount1
flaggedSentences8
totalSentences131
ratio0.061
matches
0"Colder, mineral, with an undertow smell of wet brick and something sweeter beneath it—candle wax, maybe, or incense long burned down."
1"His hands were folded over his chest—no, not folded."
2"His soles were scuffed at the toes and along the outer edges—the wear of a man who walked a great deal on hard pavements—but the uppers were clean."
3"Just those seven, laid down in a straight line, and then—nothing."
4"Human, probably—off-white, worn smooth, drilled through the centre and threaded on a length of black cord."
5"She saw, at intervals along the platform, small marks scratched into the tile at hip height—not graffiti, too regular for graffiti, a repeated symbol no bigger than a thumbprint."
6"It spun once, lazily, like something waking, and then settled—steady, insistent—pointing straight at the tunnel wall."
7"Dry, and warm, and under her hand she could feel the faintest pulse—not a heartbeat, nothing so crude; the slow tidal pressure of something breathing on the other side."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1210
adjectiveStacks0
stackExamples(empty)
adverbCount35
adverbRatio0.028925619834710745
lyAdverbCount5
lyAdverbRatio0.004132231404958678
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences131
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences131
mean12.11
std11.08
cv0.914
sampleLengths
034
13
26
329
422
57
610
76
821
919
1024
116
123
137
141
159
1629
1725
183
1921
207
2115
229
232
242
259
2634
2715
285
294
306
3119
3215
337
3433
3517
365
372
3812
397
4013
4128
422
434
446
4525
464
4738
483
4911
57.25% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.4122137404580153
totalSentences131
uniqueOpeners54
37.04% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences90
matches
0"Just those seven, laid down"
ratio0.011
95.56% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount28
totalSentences90
matches
0"She was used to the"
1"She descended the emergency stair"
2"Her torch swept the walls"
3"She liked the young ones"
4"She filed that away and"
5"His hands were folded over"
6"His left hand was curled"
7"She had her satchel open"
8"She tucked a strand of"
9"She came and looked at"
10"His soles were scuffed at"
11"She counted seven before the"
12"It stopped in the middle"
13"She adjusted her glasses"
14"She moved past it."
15"She saw what she'd taken"
16"She saw a rusted bracket."
17"She saw, at intervals along"
18"She had seen that symbol"
19"She had seen it chalked"
ratio0.311
87.78% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount67
totalSentences90
matches
0"The call came in at"
1"She was used to the"
2"None of the calls had"
3"She descended the emergency stair"
4"Her torch swept the walls"
5"She liked the young ones"
6"The platform opened up ahead"
7"The tiles on the platform"
8"Southwark North was on the"
9"She filed that away and"
10"The body lay face-up near"
11"A man, late fifties, in"
12"His hands were folded over"
13"His left hand was curled"
14"Quinn stopped six feet short."
15"Eva didn't look up"
16"She had her satchel open"
17"She tucked a strand of"
18"Quinn took out her notebook."
19"She came and looked at"
ratio0.744
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences90
matches(empty)
ratio0
93.02% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences43
technicalSentenceCount3
matches
0"His left hand was curled around something small and pale, and his right hand was pressed flat to his sternum as if he'd been reaching for the inside of his coat…"
1"His soles were scuffed at the toes and along the outer edges—the wear of a man who walked a great deal on hard pavements—but the uppers were clean."
2"Damp in the low ground near the track, drier along the wall, and bone-dry in a rough circle about the body, three feet in radius, as if someone had drawn a ring…"
75.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags10
uselessAdditionCount1
matches
0"She tucked, glasses catching the arc light into two flat coins"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount0
fancyTags(empty)
dialogueSentences41
tagDensity0.146
leniency0.293
rawRatio0
effectiveRatio0
85.9258%