Run: 2026-09-10-01M25DM3Q84SWW38SRV7C5Q3BD

Run Details

Duration:
42.6s
Cost:
$0.003922
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 steps down into Camden Deep had been bricked over in 1972 and unbricked by persons unknown sometime in the last decade, and Detective Harlow Quinn counted them on the way down out of habit: forty-one, a landing, thirty-eight more, the air turning from wet slate to something older, mineral, like the inside of a jar of coins. Her breath came out of her and hung there. The temperature had dropped six degrees. The platform was a museum of a place that had never opened. Cream tiles in a diamond pattern along the tunnel wall. A station clock frozen at 11:52, its glass furred with dust. Folding tables collapsed against the far tunnel mouth. Straw underfoot. She stepped through a line of SOCO tape that someone had taped to nothing in the absence of anything more official. DS Amara Osei met her at the edge of the light, a paper cup steaming in each hand. She handed one over. “Sorry about the hour,” Quinn said. “It’s the hour I live in now.” Osei nodded down the platform. “Victim’s this way. White male, mid-forties. No wallet, no phone, no watch. Suit’s good. Shoes are better. Nothing in his pockets but a bone.” Quinn looked at her. “I mean a bone. Thumb joint, maybe. Carved.” Osei drank. “And a compass.” The victim lay on his side, hips twisted, one arm thrown out as though he’d gone down reaching for something he’d dropped. Good shoes — John Lobb, if Quinn guessed right, which meant nothing about his income and a great deal about who he wanted to be. The left shoe was scuffed at the toe. The right had clay on the welt, dense grey stuff with grit in it, the kind of clay that came out of the north heading where the old tunnel ran wet. Not Camden clay. Not this end. The throat was open from ear to ear. The blood had run out and made a pool the size of a dinner plate. Beside it, a second smaller pool, tacky at the rim, as though the first had been interrupted. Quinn crouched. “Ritual,” Osei said, behind her. “Has to be. Look at the setup.” “Tell me.” “That’s the market.” “The what?” “The Veil Market.” Osei said it flat, the way you said things you didn’t want to be laughed at for. “It’s a thing. Moves every full moon. Last night was the full moon, and this is where it was. Tables, straw, wax. This lot.” She swept the light down the platform and there they were: dozens of candle stumps, tallow and green wax, all burned down to the same nub. “We had a file on it two years back. Nothing stuck.” Quinn stood. She walked the length of the platform with her torch angled low, watching the dust. The dust told its story plainly enough — a broad swathe of it disturbed from the stairhead down to the middle of the platform, scores of overlapping tracks, a great many feet arriving and standing in clusters. And then, out of that churn, one clean line of prints leading away toward the far end, where the tunnel mouth had been walled up with brick perhaps a century ago and, by the look of the pale mortar along its lower edge, partially undone very recently. One line of prints. Moving away from the crowd, not toward it. She walked back. A woman had come down the stairs and was standing at the edge of the tape, small and red-haired and clutching the strap of a leather satchel that looked heavier than she was. Round glasses fogged with the damp. “Evie,” Quinn said. “You said if it was a symbol, I got a call.” Eva Kowalski’s voice was steady and her hands were not. She tucked her hair behind her left ear, then did it again. “It’s not a symbol. It’s a Veil Compass. Where did you find it?” “On him.” “On him or near him?” Quinn looked at Osei, who shrugged and held out an evidence bag. Inside, a small brass compass, green-furred with verdigris, its face etched with fine markings that were not degrees. “Near him,” Quinn said. “A foot from his hand. Like he’d dropped it.” Eva took the bag and held it up to her torch, and her face changed in a way Quinn had seen exactly once before, three years ago, in a hospital corridor, when a doctor had used the phrase we did everything we could. “It points at rifts,” Eva said. “Portals. Tears. Whatever word you like. It was made by a Shade artisan, they only make a few a century, and it’s a genuine one, not a fake. Look.” She angled it. The needle sat hard over, quivering, aimed past Quinn’s shoulder at the platform wall. “That wall. Something came through that wall.” Osei made a small noise. “There’s our answer, then. Cult brings him down here, something comes through, does him. We shut it down.” “A claw,” Eva said quietly, “would do that. A thing with a hooked hand, from the other side — that’s a claw wound, that’s what that looks like.” Quinn didn’t answer either of them for a moment. She crouched again and put her torch on the tiles behind the body, at the wall, at the ceiling above it. Then she stood and turned, very slowly, taking in the whole surface of the platform, the way you read a page rather than a word. “No spatter,” she said. “Sorry?” “His carotid’s open. Carotid. That’s a hose.” She pointed. “You cut that with a heart behind it, you get arterial spray. You get arcs of it on the wall, you get it on the ceiling, you get it on whoever’s holding the knife and on the floor for six feet in a fan. There’s none. There is a neat little plate of blood at his throat and nothing else. The wall behind him is filthy with a hundred years of soot and not one drop of him.” Osei lowered her cup. Eva went still. “He was dead when his throat was cut,” Quinn said. “That wound’s a prop. Somebody did him first, put him here, and then opened his neck to make the rest of it look true.” She knelt by the outstretched arm and turned the hand. The fingernails were clean, the knuckles unmarked — no defensive cuts, no scraped knuckles, no torn nails. A man who had seen the knife coming would have had something to show for it. But under the thumbnail, wedged, a curl of dark green wax. She teased it out and held it in the light. Same wax as the candle stumps. Then she found the mark. Inside the left elbow, so small she nearly missed it — a pinpoint bruise, one puncture, a little ring of discoloured skin the width of a pinhead. “No needle tracks,” she said. “This isn’t a user. This is one injection, done properly, by someone who knew where to put it.” She stood up and looked at the compass in its bag. “Show me that needle again.” Eva held it out. The needle sat quivering at roughly forty degrees off the wall, and Quinn followed that line with her eyes, off the wall and up, up the length of the platform, to the stairhead, to the dark where they’d come down. “It isn’t pointing at the wall,” Quinn said. “It’s pointing at the stairs.” She took the bag and walked. Twenty paces. The needle didn’t move. She climbed the first flight, torch bouncing, and felt it — the small resistant tug of the thing, the needle pressing harder against its pin, urgent, as though it wanted out of the casing. On the landing above, the fog of the street coming down to meet her, it was pulling so hard the whole compass trembled. Something supernatural was up there. Above them. Behind them. In Camden, in the wet, in the ordinary air. Not down here at the dead end of a dead station. When she came back down, Eva had gone the colour of the tiles. “It points away from the wall,” Quinn said. “Whatever came through that wall — if anything did — it didn’t come through last night. The needle would say so. It doesn’t. Somebody put it in his hand and arranged him so the first person to pick it up would aim it at a brick.” Osei was frowning at the floor. “Okay. Say it’s a murder, then. Why? Why all this?” Quinn walked back to the body and looked down at the good shoes and the clay on the welt, and then past him, up the platform, to the freshened mortar at the north portal where a man had clearly come in out of the wet, alone, and the trail of his prints running the other way, toward the crowd, toward the stairs, toward the way out. “He wasn’t running to the wall,” she said. “He was running from the market. Somebody in it killed him, carried him down here, opened his throat, left a genuine Veil Compass on the tiles, and left a bone token in his pocket. All of it pointing away from a person and at a story. Because a story,” she said, and heard her own voice go flat, “closes a file. No suspect. No trial. No pressure. You write ‘unexplained’ at the bottom and you put the box on a shelf and it sits there for three years while everyone involved gets on with their lives.” The name didn’t need saying. DS Morris, three years ago, a box on a shelf. She held the evidence bag up, the compass turning slowly inside it, the needle still straining south and up against the glass. “The bone,” she said. “The one in his pocket. Is it fresh?” “Wet,” Osei said. “Marrow?” “They said it hadn’t dried.” “So it was cut last night. Off something that had a body.” Quinn handed the bag to Eva, who took it with both hands as though it were warm. “The token’s the gate pass. You need one to get in. So whoever did this either bought a fresh one at the stalls, or made one on the spot, out of the person they were standing next to.” She looked up the platform, at the stairwell, at the wet dark coming down off the street. “Which means our killer was inside the market last night, before this man died, close enough to reach him, and walked out the same way we came in. Past the tables. Past the gate. Nobody stopped them.” Eva tucked her hair behind her left ear. Then she said, very quietly, “The one who sells bone at the south end. The tokens. There’s only one stall that makes them fresh.” “Name.” “I don’t know the name.” Her glasses had fogged again and she didn’t wipe them. “Nobody knows the name. But I know the sign.” She looked down at the curl of green wax in Quinn’s palm. “It’s a spiral with nine turns. And you’re holding a piece of it.” Above them, the frozen clock watched 11:52. Water dripped somewhere in the dark, patient as a metronome. Quinn bagged the wax, turned up her collar, and started for the stairs.
created_at"2026-09-10T10:25:41.613Z" 9/10/2026, 10:25:41 AM
model"deepseek/deepseek-v4.1-flash-20260910"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency707
moderation_latency(null)
generation_time42536
tokens_prompt896
tokens_completion7083
native_tokens_prompt883
native_tokens_completion6473
native_tokens_completion_images(null)
native_tokens_reasoning3991
native_tokens_cached640
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)
usage0.00392217
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1789035941-UvvEYFx6Pp9YwiVO6Jdy"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1789035941-8Qasu9EplUgzi9fA8IT6"
upstream_id"89ad8e1c-a3b2-4f60-9653-a7753a880420"
provider_responses
0
endpoint_id"fd104bc8-535a-4d31-a847-a8e402e86a02"
id"89ad8e1c-a3b2-4f60-9653-a7753a880420"
is_byokfalse
latency341
model_permaslug"deepseek/deepseek-v4.1-flash-20260910"
provider_name"DeepSeek"
status200
total_cost0.00392217
cache_discount0.00009408
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
totalTags26
adverbTagCount1
adverbTags
0"Eva said quietly [quietly]"
dialogueSentences54
tagDensity0.481
leniency0.963
rawRatio0.038
effectiveRatio0.037
86.70% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1879
totalAiIsmAdverbs5
found
0
adverb"very"
count3
1
adverb"slowly"
count2
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)
92.02% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1879
totalAiIsms3
found
0
word"churn"
count1
1
word"etched"
count1
2
word"trembled"
count1
highlights
0"churn"
1"etched"
2"trembled"
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)
analyzedSentences127
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen96
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1887
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions23
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions50
wordCount1199
uniqueNames12
maxNameDensity1.67
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Camden3
Deep1
Detective1
Harlow1
Quinn20
Amara1
Osei10
John1
Lobb1
Eva9
Kowalski1
Morris1
persons
0"Camden"
1"Deep"
2"Harlow"
3"Quinn"
4"Osei"
5"John"
6"Lobb"
7"Eva"
8"Kowalski"
9"Morris"
places(empty)
globalScore0.666
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences61
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1887
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences127
matches
0"followed that line"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs59
mean31.98
std30.35
cv0.949
sampleLengths
073
164
222
36
436
54
613
792
840
92
1012
112
123
132
1481
15101
1612
1742
183
1946
202
215
2230
2313
2443
2559
2623
2728
2855
294
301
3187
327
3334
3470
3532
3623
3711
385
3944
4013
4169
4229
4313
4454
4516
4666
47104
4815
4922
91.23% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences100
matches
0"been bricked"
1"was scuffed"
2"been interrupted"
3"been walled"
92.47% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs186
matches
0"was standing"
1"was pulling"
2"was frowning"
30.37% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences5
totalSentences127
ratio0.039
matches
0"Good shoes — John Lobb, if Quinn guessed right, which meant nothing about his income and a great deal about who he wanted to be."
1"The dust told its story plainly enough — a broad swathe of it disturbed from the stairhead down to the middle of the platform, scores of overlapping tracks, a great many feet arriving and standing in clusters."
2"The fingernails were clean, the knuckles unmarked — no defensive cuts, no scraped knuckles, no torn nails."
3"Inside the left elbow, so small she nearly missed it — a pinpoint bruise, one puncture, a little ring of discoloured skin the width of a pinhead."
4"She climbed the first flight, torch bouncing, and felt it — the small resistant tug of the thing, the needle pressing harder against its pin, urgent, as though it wanted out of the casing."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1198
adjectiveStacks0
stackExamples(empty)
adverbCount41
adverbRatio0.034223706176961605
lyAdverbCount11
lyAdverbRatio0.009181969949916527
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences127
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences127
mean14.86
std15.82
cv1.065
sampleLengths
058
19
26
312
410
511
68
72
821
918
104
116
1212
1324
144
1510
163
1722
1825
198
2031
213
223
238
2415
2517
262
275
287
292
303
312
3220
3350
3411
352
3615
3737
3847
394
408
413
4233
436
443
4521
4612
4713
482
495
69.03% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.4566929133858268
totalSentences127
uniqueOpeners58
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences80
matches
0"Then she stood and turned,"
1"Then she found the mark."
2"Then she said, very quietly,"
ratio0.038
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount19
totalSentences80
matches
0"Her breath came out of"
1"She stepped through a line"
2"She handed one over."
3"She swept the light down"
4"She walked the length of"
5"She walked back."
6"She tucked her hair behind"
7"She angled it"
8"She crouched again and put"
9"She knelt by the outstretched"
10"She teased it out and"
11"She stood up and looked"
12"She took the bag and"
13"She climbed the first flight,"
14"she said, and heard her"
15"She held the evidence bag"
16"She looked up the platform,"
17"Her glasses had fogged again"
18"She looked down at the"
ratio0.238
91.25% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount59
totalSentences80
matches
0"The steps down into Camden"
1"Her breath came out of"
2"The temperature had dropped six"
3"The platform was a museum"
4"Cream tiles in a diamond"
5"A station clock frozen at"
6"She stepped through a line"
7"DS Amara Osei met her"
8"She handed one over."
9"Osei nodded down the platform"
10"Quinn looked at her."
11"The victim lay on his"
12"The left shoe was scuffed"
13"The right had clay on"
14"The throat was open from"
15"The blood had run out"
16"Osei said, behind her"
17"Osei said it flat, the"
18"She swept the light down"
19"She walked the length of"
ratio0.738
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences80
matches(empty)
ratio0
69.60% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences39
technicalSentenceCount4
matches
0"Beside it, a second smaller pool, tacky at the rim, as though the first had been interrupted."
1"A woman had come down the stairs and was standing at the edge of the tape, small and red-haired and clutching the strap of a leather satchel that looked heavier…"
2"Inside, a small brass compass, green-furred with verdigris, its face etched with fine markings that were not degrees."
3"She climbed the first flight, torch bouncing, and felt it — the small resistant tug of the thing, the needle pressing harder against its pin, urgent, as though …"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags26
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags17
fancyCount0
fancyTags(empty)
dialogueSentences54
tagDensity0.315
leniency0.63
rawRatio0
effectiveRatio0
89.0887%