Run: 2026-03-18-01KM081226YESX1A7HFJN8R019

Run Details

Duration:
22.8s
Cost:
$0.001651
Provider:
Mistral

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 Tube station hadn’t existed for forty years, but the air still carried the ghost of its last breath—the stale, breath-held warmth of exhaled passengers, the faint metallic tang of tracks long cold. Detective Harlow Quinn stepped carefully down the last concrete stair, her worn leather watch catching the dim light as she checked the time again. 11:27 PM. The bone token in her palm felt heavier than it should, its edges smoothed by decades of palms and secrets alike. She’d traded favors at the entrance—a favor she didn’t yet know she’d paid until it was done—but the token had been real enough once pressed into her hand. The tunnel ahead didn’t belong to the Underground. The ceiling arched smoothly, but the tiles weren’t London Transport green. Some were Roman brick, their edges worn by centuries of sandals and cartwheels. Others bore the indigo and gold of Victorian heraldry, the patterns slightly askew, as though stitched by fingers that didn’t always trust eyes. The air hummed—not the usual groaning of old iron or the scuttle of rodents, but a low, resonant thrum, like a tuning fork struck by something unseen. Quinn’s jaw tightened. She’d been here before—three years ago, when the call came in. Another detective down in Camden. A body in a drainage tunnel. DS Morris had gone alone with a report of “unusual disturbances.” They’d found Morris stiff by the canal, skin greyed in patches, eyes open but blind as polished glass. The case file had called it a drug overdose and closed. Quinn hadn’t. Not for long. Now, a new body lay in the Veil Market, officially cataloged as a ritualistic killing. But ritual implies pattern, and Quinn had learned long ago that patterns were just the ghost of order speaking. She stepped forward, boots scuffing lightly against the uneven floor, and saw Eva first. Eva Kowalski stood beside the corpse like a caretaker of curiosities, her curly red hair held back in a loose twist, round glasses catching the flicker of gas lamps that shouldn’t exist down here. Her satchel bulged with books—leather-bound, gilt-lettered things that smelled of old paper and candle wax. She was holding a small notebook, scribbling with a thick pencil that left indentations in the page. When she turned toward Quinn, her freckled face was lit not just by fear, but by something deeper—excitement. “Harlow,” Eva said, tucking a loose curl behind her left ear. The nervous habit had returned. “You’re late.” “I was told it was urgent.” “It is. But ‘urgent’ in the Market has a different weight.” Eva gestured at the body with the tip of her pencil. “Female, mid-thirties, clavicle fracture, multiple stab wounds to the torso, throat slit. That much is obvious. What’s not so obvious is the absence of blood.” Quinn crouched, eyes narrowing. The floor was streaked with rust, not crimson. Not a single arterial spray pattern. Not even the pooled thick dark that clings to fabric when the heart stops before the bleed does. This wasn’t a bleed-out. This was something else. She didn’t touch. She didn’t have to. Every wound looked cauterized at the edges, the skin puckered as if cauterized by fire, not steel. But where was the burn mark? Where was the residue? She angled her head, scanning the tiles around the body. Instead of blood, there were faint, silvery tracings—like spider silk, but not. Like liquid mercury left too long in sunlight. Eva followed her gaze. “Ah. You see it. The ritual space was drawn in argent dye. It wasn’t just a killing—it was an invocation.” Quinn exhaled through her nose. “You’re saying it’s supernatural.” “I’m saying it’s *occluded* by the supernatural. The body’s not just dead. It’s been disentangled from causality.” Eva tapped her notebook. “Check the sigils—veins of light under the skin, residual aura binding. I’ve seen this before in restricted texts. The fracture to the clavicle? That’s a break in the aural bridge. Classic compensation for binding too much energy into the flesh.” Quinn stood slowly, her knees popping like distant gunfire in an empty room. “Eva, the clavicle fracture could’ve happened post-mortem when they staged the body. Or during transport. Or it could be a red herring.” Eva blinked. “No. It’s integral. It’s the locus. Without the fracture, the sigil field wouldn’t anchor in the temporal plane.” “And the knife wounds?” “Faux wounds. Look closer—the skin isn’t incised. It’s been drawn on with something that mimics texture. Like…” Eva reached into her satchel and pulled out a small leather case. Inside, a brush, a tiny vial of iridescent fluid, and a slate. She uncapped the vial. The liquid shimmered like oil on water, shifting between silver and violet. When she touched it with the brush and dabbed at the wrist of the dead woman, the skin didn’t bleed. It didn’t owe allegiance to biology anymore. Quinn stepped back, just once. The movement was instinctive. “You’re saying this isn’t a body. It’s a doll.” “In the most literal sense, yes. Or more precisely, a vessel. A body shaped for a purpose—then emptied.” Quinn arched an eyebrow. “Emptied how?” “Soul raised. Chi drained. Chi souls—ancient term. Energy that lingers in the blood ties of lineage. The Market trades in it openly, legally, under different names.” Eva flipped her notebook to a dog-eared page marked with a pressed heather flower. “It’s called ‘essence.’ ‘Vital extract.’ ‘Memory plasma.’ People sell bits of themselves for rent. But never all of it. This… this is someone’s entire inheritance burned away.” Quinn crouched again, this time ignoring the discomfort in her hip. She examined the throat wound. Not sliced. Not cut. Burned clean, like frost bite rendered to paper. She pressed her fingers near the clavicle, feeling through the leather of her coat. Beneath the synthetic blend, the skin prickled with cold. She stood. “You got the call?” “Museum alerted me via restricted channel. They monitor Veil anomalies. Something this large—it would destabilize local rifts.” “And they sent you.” Eva adjusted her glasses. “They sent *me* because I’m the only one who can read the symbols without setting them off. Another researcher tried last night. Came back… not entirely human.” Quinn’s watch ticked—an old habit, counting seconds she couldn’t get back. “You’re saying this isn’t a murder. It’s a extraction. And it’s still happening.” Eva met her eyes. “Not happening. *Has* happened. We’re late by twelve hours.” Quinn looked at the body again. At the argent tracings, now fading like ice under sunlight. At the lack of blood. At the knife that wasn’t a knife, the wounds that weren’t wounds. She reached into her coat and pulled out the Veil Compass. Cased in verdigris brass, its face etched with sigils that didn’t belong to any map she’d seen. The needle should have spun wildly in a marketplace of portals. But it didn’t. It trembled. Pointed west. “It’s still pulling,” Quinn murmured. “The rift is still open.” Eva stepped closer. “Let me guess—aiming toward where someone took what wasn’t theirs.” Quinn didn’t answer. She closed her hand around the compass, feeling its cold thrum through her palm like a faint pulse. The needle quivered again, then steadied. Not toward Camden. Not toward London. Not even toward Earth. It pointed downward. Into the old Tube tunnels that had been sealed off decades ago. Into the sewers. Into the earth beneath the earth. Eva followed her stare. Her freckles stood out against her paleness. “We can’t go down there.” “We don’t have a choice,” Quinn said, tucking the compass away. “The killer isn’t here. The crime isn’t over. And what they took—it’s still alive inside whatever they’re building.” Eva swallowed. The girl with round glasses and a satchel full of books wasn’t a field operative. But she wasn’t a civilian anymore, either. Not since she’d touched the argental fluid. Not since she’d seen the soul burn. “Then we need more light,” Eva said, pulling a brass candlestick from her satchel. When she struck a match, the wax didn’t catch. Instead, it flickered into blue flame that cast no heat—only light that bent around shadows like smoke. Quinn nodded once. They walked into the dark together.
created_at"2026-03-18T10:31:56.756Z" 3/18/2026, 10:31:56 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency392
moderation_latency(null)
generation_time22674
tokens_prompt923
tokens_completion3042
native_tokens_prompt887
native_tokens_completion2530
native_tokens_completion_images(null)
native_tokens_reasoning811
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.00165105
router(null)
provider_responses
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endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"05021080b5b44cf9b2766fb840d082df"
is_byokfalse
latency389
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773829916-JcHv6VD3mwJw9CRy5cXn"
upstream_id"05021080b5b44cf9b2766fb840d082df"
total_cost0.00165105
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags9
adverbTagCount0
adverbTags(empty)
dialogueSentences32
tagDensity0.281
leniency0.563
rawRatio0
effectiveRatio0
81.83% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1376
totalAiIsmAdverbs5
found
0
adverb"carefully"
count1
1
adverb"slightly"
count1
2
adverb"lightly"
count1
3
adverb"slowly"
count1
4
adverb"precisely"
count1
highlights
0"carefully"
1"slightly"
2"lightly"
3"slowly"
4"precisely"
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)
49.13% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1376
totalAiIsms14
found
0
word"warmth"
count1
1
word"cataloged"
count1
2
word"flicker"
count1
3
word"weight"
count1
4
word"scanning"
count1
5
word"silk"
count1
6
word"shimmered"
count1
7
word"eyebrow"
count1
8
word"synthetic"
count1
9
word"etched"
count1
10
word"trembled"
count1
11
word"pulse"
count1
12
word"quivered"
count1
13
word"flickered"
count1
highlights
0"warmth"
1"cataloged"
2"flicker"
3"weight"
4"scanning"
5"silk"
6"shimmered"
7"eyebrow"
8"synthetic"
9"etched"
10"trembled"
11"pulse"
12"quivered"
13"flickered"
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
narrationSentences103
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences103
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences126
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen42
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans3
markdownWords3
totalWords1358
ratio0.002
matches
0"occluded"
1"me"
2"Has"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions51
wordCount962
uniqueNames16
maxNameDensity1.77
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Tube2
Harlow1
Quinn17
Underground1
London2
Transport1
Roman1
Victorian1
Camden2
Morris2
Veil2
Market1
Eva15
Kowalski1
Compass1
Earth1
persons
0"Tube"
1"Harlow"
2"Quinn"
3"Roman"
4"Morris"
5"Market"
6"Eva"
7"Kowalski"
8"Compass"
places
0"Underground"
1"London"
2"Camden"
3"Veil"
4"Earth"
globalScore0.616
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences62
glossingSentenceCount0
matches(empty)
52.72% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.473
wordCount1358
matches
0"not the usual groaning of old iron or the scuttle of rodents, but a low, resonant thrum, like a tuning fork struck by somethin"
1"not just by fear, but by something deeper"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences126
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs41
mean33.12
std26.2
cv0.791
sampleLengths
0108
182
270
348
484
518
66
747
844
964
1024
119
1261
1335
1420
154
1684
1718
1818
196
2067
2151
226
2317
244
2531
2624
2713
2833
2946
3010
3113
3227
3310
343
3521
3616
3729
3838
3940
409
95.04% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences103
matches
0"was lit"
1"was streaked"
2"been sealed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs162
matches
0"was holding"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences9
totalSentences126
ratio0.071
matches
0"The Tube station hadn’t existed for forty years, but the air still carried the ghost of its last breath—the stale, breath-held warmth of exhaled passengers, the faint metallic tang of tracks long cold."
1"She’d traded favors at the entrance—a favor she didn’t yet know she’d paid until it was done—but the token had been real enough once pressed into her hand."
2"The air hummed—not the usual groaning of old iron or the scuttle of rodents, but a low, resonant thrum, like a tuning fork struck by something unseen."
3"She’d been here before—three years ago, when the call came in."
4"Her satchel bulged with books—leather-bound, gilt-lettered things that smelled of old paper and candle wax."
5"When she turned toward Quinn, her freckled face was lit not just by fear, but by something deeper—excitement."
6"Instead of blood, there were faint, silvery tracings—like spider silk, but not."
7"Quinn’s watch ticked—an old habit, counting seconds she couldn’t get back."
8"Instead, it flickered into blue flame that cast no heat—only light that bent around shadows like smoke."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount976
adjectiveStacks1
stackExamples
0"stale, breath-held warmth"
adverbCount36
adverbRatio0.036885245901639344
lyAdverbCount9
lyAdverbRatio0.009221311475409836
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences126
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences126
mean10.78
std8.56
cv0.794
sampleLengths
033
124
22
321
428
58
611
713
823
927
103
1111
125
136
1429
1511
162
173
1815
1919
2014
2134
2215
2317
2418
2511
265
272
286
2922
3025
314
328
336
3418
354
364
373
384
3917
406
414
4210
4312
448
454
4620
475
484
4921
49.74% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats14
diversityRatio0.36507936507936506
totalSentences126
uniqueOpeners46
71.68% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences93
matches
0"Instead of blood, there were"
1"Instead, it flickered into blue"
ratio0.022
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount17
totalSentences93
matches
0"She’d traded favors at the"
1"She’d been here before—three years"
2"She stepped forward, boots scuffing"
3"Her satchel bulged with books—leather—bound,"
4"She was holding a small"
5"She didn’t touch."
6"She didn’t have to."
7"She angled her head, scanning"
8"She uncapped the vial."
9"It didn’t owe allegiance to"
10"She examined the throat wound."
11"She pressed her fingers near"
12"She reached into her coat"
13"She closed her hand around"
14"It pointed downward."
15"Her freckles stood out against"
16"They walked into the dark"
ratio0.183
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount63
totalSentences93
matches
0"The Tube station hadn’t existed"
1"Detective Harlow Quinn stepped carefully"
2"The bone token in her"
3"She’d traded favors at the"
4"The tunnel ahead didn’t belong"
5"The ceiling arched smoothly, but"
6"Some were Roman brick, their"
7"Others bore the indigo and"
8"The air hummed—not the usual"
9"Quinn’s jaw tightened."
10"She’d been here before—three years"
11"Another detective down in Camden."
12"A body in a drainage"
13"DS Morris had gone alone"
14"The case file had called"
15"She stepped forward, boots scuffing"
16"Eva Kowalski stood beside the"
17"Her satchel bulged with books—leather—bound,"
18"She was holding a small"
19"Eva said, tucking a loose"
ratio0.677
53.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences93
matches
0"Now, a new body lay"
ratio0.011
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences37
technicalSentenceCount2
matches
0"Eva Kowalski stood beside the corpse like a caretaker of curiosities, her curly red hair held back in a loose twist, round glasses catching the flicker of gas l…"
1"Her satchel bulged with books—leather-bound, gilt-lettered things that smelled of old paper and candle wax."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags9
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount1
fancyTags
0"Quinn murmured (murmur)"
dialogueSentences32
tagDensity0.125
leniency0.25
rawRatio0.25
effectiveRatio0.063
86.5970%