Run: 2026-10-07-01M4ATWJGAYV4NP92T4S6VWR63

Run Details

Duration:
4m 22s
Cost:
$0.023122
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 bone token was warm in Harlow Quinn’s palm, worn smooth from years of handling, its edges carved into a spiral that seemed to shift when she wasn’t looking directly at it. She pressed it into the slot of the rusted turnstile at the mouth of the disused Camden Town station, and the mechanism groaned, admitting her into the dark. The Veil Market occupied the abandoned platform, a sprawling bazaar of flickering gas lamps and canvas stalls that breathed with a life of their own. The air down here tasted of ozone, mildew, and something sweeter—like myrrh left too long in a closed room. Quinn descended the final flight of stairs with military precision, her boots finding each step without looking, her left hand resting near the service weapon at her hip. The worn leather watch on her left wrist caught the lamplight, its face showing 11:43 PM. She found the scene cordoned off with yellow police tape that looked absurdly mundane against the backdrop of tiled Victorian walls and hanging moss. Eva Kowalski was kneeling beside the body, her curly red hair tumbling around her shoulders, her round glasses askew. She wore her worn leather satchel slung across her chest, bulging with books, and her freckled complexion was pale in the gaslight. “Detective Quinn,” Eva said, not looking up. Her voice was tight. She tucked a strand of hair behind her left ear, a nervous habit Quinn had noted before. “Thank God. It’s ritualistic. I’ve never seen anything like it.” Quinn crouched beside her, moving with the economy of eighteen years on the force. The body lay on its back between two stalls—one selling bottled lightning, the other dried mandrake roots. The victim was a man in his forties, dressed in a grey waistcoat and a cravat, his brown eyes open and fixed on the vaulted ceiling, his mouth slightly agape. A circle of white salt surrounded his head, and his hands were folded neatly over his chest. On a wooden crate beside him sat the Veil Compass. It was a small brass instrument, its casing etched with protective sigils and green with verdigris patina. The needle pointed directly at the victim’s heart. “The compass,” Eva said, her green eyes wide behind the lenses. “It’s pointing at the wound. See? It’s drawn to the rift. Something opened in his chest, Detective. A thinning. It took his heart and left the shell.” Quinn didn’t answer. She stared at the compass. Something about it was wrong. She reached out and lifted it. It was lighter than it should have been. Real brass, crafted by a Shade artisan, would have heft, density. This felt like tin. She turned it slowly in her hand. The needle didn’t swing. It remained fixed, pointing at two o’clock, unwavering as a sundial at noon. “Detective?” Eva’s hand fluttered. She tucked her hair behind her ear again. “You’re not touching it right. You have to—” “It’s fake,” Quinn said. Her voice was flat, carrying the sharp edge of her jawline. “The needle’s glued. Or the magnet’s dead.” She shook the compass. It rattled, the sound hollow and cheap. “Stage blood,” she continued, gesturing to the dark stain spreading beneath the victim’s waistcoat. It was too dark, too viscous, congealing in a way that real blood didn’t. “Corn syrup and food coloring. And the salt? That’s from the fishmonger three stalls down. I saw him drop a crate of it at nine o’clock.” Eva blinked. Her fingers trembled against her satchel. “But the eyes, Harlow. He’s staring at the ceiling like he saw—” “He’s staring at the ceiling because he was posed,” Quinn said. She stood, her knees popping with military precision. She was five-nine, forty-one, and her salt-and-pepper hair was cropped close to her skull, but she filled the space with the bearing of a woman who had buried a partner and refused to break. “Look at his shoes, Eva.” Eva looked. The victim’s leather soles were pristine. Not a speck of the black dust that coated the platform, not a trace of the iron-oxide grit that clung to every surface in the old Tube station. “He wasn’t killed here,” Quinn said. “He was carried in. Dead or dying. Brought down the stairs, laid out like a prop.” Eva’s breath hitched. She looked at the compass in Quinn’s hand, then at the body, then back at Quinn. “You think… someone staged this?” “I think someone wanted us to believe it was supernatural,” Quinn said. She checked her watch. 11:52 PM. Her brown eyes narrowed. “The Veil Market moves on a full moon. Tonight’s a full moon. In eight minutes, this station shifts. It relocates. Whatever is here vanishes into the dark, and the evidence with it.” She looked up at Eva, her gaze hard. “The killer brought the body here, set up the ritual, the fake compass, the salt circle. They wanted you to find it, Eva. They knew you’d be called in. You’re the occult researcher. You’d confirm the supernatural angle, and the Met would throw up its hands and call it a mystery beyond their jurisdiction. Case closed. Body gone.” Eva went very still. Her hand moved to her satchel, then stopped. She tucked her hair behind her left ear, and this time her fingers lingered, trembling. “When did you arrive?” Quinn asked. “Eleven-thirty,” Eva whispered. “I came to meet him. Julian—he was the victim—he was going to show me the Compass. He said he’d acquired a new one, attuned to something powerful. He never showed up. I found him like this.” Quinn nodded slowly. She walked to the edge of the platform and looked down into the dark maw of the disused tracks. The air was changing, pressing against her eardrums, carrying the scent of somewhere else—pine forests, salt seas, the static charge of a thunderstorm. The market was waking up to move. “He didn’t die here,” Quinn said, not turning around. “Check his neck, Eva. Not for shadow-strangulation. For an injection mark. Small. Behind the ear. Fast-acting poison. Killed upstairs, in the world of the living, then brought down here to look like a miracle.” Eva made a small sound, a whimper. She sank to her knees beside the body, her glasses slipping down her nose. She pushed them up with a shaking hand. “Why me?” Eva asked. “Why use me?” “Because you believe,” Quinn said. She turned, her sharp jaw set. “DS Morris died three years ago in a warehouse in Deptford. They called it an accident. I know better. I’ve been looking for the thin places ever since, Eva. The places where the veil wears thin and things reach through.” She stepped closer, close enough to smell the old leather of Eva’s satchel, the paper of her books. “Someone is using the supernatural to hide the mundane. Murder dressed up as magic. And you were the perfect witness because you wanted to see the magic.” Eva’s green eyes filled with tears. “I thought… I thought if I could prove it was real, if I could document it…” “Then you’d understand,” Quinn finished. “Understand what happened to Morris. But this isn’t a rift, Eva. It’s a knife. And the killer is still here.” Quinn checked her watch. 11:58 PM. The lamps throughout the market flickered. The canvas stalls began to shimmer, their edges blurring like wet ink. The bone token in Quinn’s pocket grew hot. “We have two minutes,” Quinn said. Eva looked up, her face streaked with dust and grief. “The killer?” Quinn scanned the empty stalls, the dark corners where shadows pooled thicker than physics allowed. She thought of Morris, of the case that never closed, of the cold hand that had touched her shoulder in the dark three years ago. She thought of precision, of evidence, of the things that didn’t add up. “The killer wanted the body to vanish,” Quinn said. “But they forgot one thing. The Veil Compass points to the nearest rift. If there was a real rift here, a real thinning, the needle would have spun wild. It didn’t. It was broken. And the only reason to break it… was to hide where it was really pointing.” She turned the fake compass in her hand, then dropped it. It clattered against the tile. She looked at Eva, then at the satchel at Eva’s feet. “Check your bag, Eva.” Eva’s hands shook as she unbuckled the leather strap. She rummaged through her books—texts on necromancy, on the architecture of ley lines, on the history of the Veil Market itself. Her fingers brushed something cold and hard at the bottom. She pulled out a second bone token. Freshly carved. The spiral was still sharp, unweathered. “He gave it to me,” Eva whispered. “Before. He said it was a gift. For my research.” Quinn’s jaw tightened. She stepped forward, her boots silent on the dusty tile. “No,” Quinn said. “He didn’t. You took it from him. After you killed him.” The market screamed as it began to shift, the air tearing like fabric. Quinn didn’t look at the vanishing stalls. She kept her brown eyes locked on Eva’s, watching the lie crumble in the green depths. “You wanted to believe so badly that you stopped looking,” Quinn said. “That’s how he got you. That’s how he got Morris. The mystery isn’t supernatural, Eva. It’s human. And it’s still standing right in front of me.” She checked her watch one last time. Midnight. The Veil Market was gone, dissolved into the dark, taking the body and the fake compass with it. But Quinn remained, kneeling on the empty platform with military precision, her hand on her weapon, her eyes sharp. The truth, she knew, would wait. It always did. But she would find it.
created_at"2026-10-07T09:25:06.195Z" 10/7/2026, 9:25:06 AM
model"mistralai/mistral-large-4-0-20261006"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency586
moderation_latency(null)
generation_time262163
tokens_prompt896
tokens_completion11303
native_tokens_prompt858
native_tokens_completion10784
native_tokens_completion_images(null)
native_tokens_reasoning8832
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"default"
usage0.023122
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791365106-4wFn1c8I3wR0WOVk9MWh"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791365106-oEl402JRkb3M0E2WBjTe"
upstream_id"5a8c30dd00e943dc8842d7fd97dc64fb"
provider_responses
0
endpoint_id"19b3b5d7-23f6-4b63-8109-64a6cc37d996"
id"5a8c30dd00e943dc8842d7fd97dc64fb"
is_byokfalse
latency566
model_permaslug"mistralai/mistral-large-4-0-20261006"
provider_name"Mistral"
status200
total_cost0.023122
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
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
totalTags20
adverbTagCount0
adverbTags(empty)
dialogueSentences43
tagDensity0.465
leniency0.93
rawRatio0
effectiveRatio0
84.66% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1630
totalAiIsmAdverbs5
found
0
adverb"slightly"
count1
1
adverb"slowly"
count2
2
adverb"very"
count1
3
adverb"really"
count1
highlights
0"slightly"
1"slowly"
2"very"
3"really"
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)
69.33% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1630
totalAiIsms10
found
0
word"etched"
count1
1
word"unwavering"
count1
2
word"fluttered"
count1
3
word"trembled"
count1
4
word"pristine"
count1
5
word"maw"
count1
6
word"perfect"
count1
7
word"flickered"
count1
8
word"scanned"
count1
9
word"depths"
count1
highlights
0"etched"
1"unwavering"
2"fluttered"
3"trembled"
4"pristine"
5"maw"
6"perfect"
7"flickered"
8"scanned"
9"depths"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences108
matches(empty)
50.26% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount4
hedgeCount3
narrationSentences108
filterMatches
0"watch"
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)
analyzedSentences131
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen58
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1625
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions19
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions62
wordCount1065
uniqueNames13
maxNameDensity2.44
worstName"Quinn"
maxWindowNameDensity5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn26
Camden1
Town1
Veil4
Market3
Victorian1
Kowalski1
Compass1
Shade1
Tube1
Eva20
Morris1
persons
0"Harlow"
1"Quinn"
2"Market"
3"Kowalski"
4"Eva"
5"Morris"
places
0"Camden"
1"Town"
2"Compass"
globalScore0.279
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences68
glossingSentenceCount1
matches
0"spiral that seemed to shift when she wasn’t looking directly at it"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1625
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences131
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs48
mean33.85
std22.46
cv0.663
sampleLengths
060
188
265
338
478
535
638
742
824
920
1022
1165
1220
1358
1436
1522
1624
1754
1866
1927
206
2139
2252
2343
2429
257
2696
2722
2825
296
3026
316
3212
3353
3458
3527
364
3740
3815
3917
4013
4114
4236
4338
448
4537
469
475
95.52% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences108
matches
0"were folded"
1"was cropped"
2"was gone"
91.30% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs184
matches
0"wasn’t looking"
1"was kneeling"
2"was waking"
55.62% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences4
totalSentences131
ratio0.031
matches
0"The air down here tasted of ozone, mildew, and something sweeter—like myrrh left too long in a closed room."
1"The body lay on its back between two stalls—one selling bottled lightning, the other dried mandrake roots."
2"The air was changing, pressing against her eardrums, carrying the scent of somewhere else—pine forests, salt seas, the static charge of a thunderstorm."
3"She rummaged through her books—texts on necromancy, on the architecture of ley lines, on the history of the Veil Market itself."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1073
adjectiveStacks1
stackExamples
0"changing, pressing against her"
adverbCount28
adverbRatio0.0260950605778192
lyAdverbCount9
lyAdverbRatio0.008387698042870456
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
mean12.4
std10.53
cv0.849
sampleLengths
032
128
225
319
428
516
624
719
822
97
104
1117
1210
1314
1417
1530
1617
1710
1817
198
2011
2127
223
235
245
256
268
2711
284
297
304
3113
324
338
348
354
3611
377
384
397
4014
4114
4226
432
446
4512
4611
478
4834
495
41.60% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.2824427480916031
totalSentences131
uniqueOpeners37
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences88
matches(empty)
ratio0
24.55% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount43
totalSentences88
matches
0"She pressed it into the"
1"She found the scene cordoned"
2"She wore her worn leather"
3"Her voice was tight."
4"She tucked a strand of"
5"It was a small brass"
6"She stared at the compass."
7"She reached out and lifted"
8"It was lighter than it"
9"She turned it slowly in"
10"It remained fixed, pointing at"
11"She tucked her hair behind"
12"Her voice was flat, carrying"
13"She shook the compass."
14"It rattled, the sound hollow"
15"she continued, gesturing to the"
16"It was too dark, too"
17"Her fingers trembled against her"
18"She stood, her knees popping"
19"She was five-nine, forty-one, and"
ratio0.489
0.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount83
totalSentences88
matches
0"The bone token was warm"
1"She pressed it into the"
2"The Veil Market occupied the"
3"The air down here tasted"
4"Quinn descended the final flight"
5"The worn leather watch on"
6"She found the scene cordoned"
7"Eva Kowalski was kneeling beside"
8"She wore her worn leather"
9"Eva said, not looking up"
10"Her voice was tight."
11"She tucked a strand of"
12"Quinn crouched beside her, moving"
13"The body lay on its"
14"The victim was a man"
15"A circle of white salt"
16"It was a small brass"
17"The needle pointed directly at"
18"Eva said, her green eyes"
19"Quinn didn’t answer."
ratio0.943
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences88
matches(empty)
ratio0
90.59% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences41
technicalSentenceCount3
matches
0"She found the scene cordoned off with yellow police tape that looked absurdly mundane against the backdrop of tiled Victorian walls and hanging moss."
1"She was five-nine, forty-one, and her salt-and-pepper hair was cropped close to her skull, but she filled the space with the bearing of a woman who had buried a…"
2"Not a speck of the black dust that coated the platform, not a trace of the iron-oxide grit that clung to every surface in the old Tube station."
50.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags20
uselessAdditionCount3
matches
0"Eva said, not looking up"
1"Eva said, her green eyes wide behind the lenses"
2"Quinn said, not turning around"
80.23% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags17
fancyCount3
fancyTags
0"she continued (continue)"
1"Eva whispered (whisper)"
2"Eva whispered (whisper)"
dialogueSentences43
tagDensity0.395
leniency0.791
rawRatio0.176
effectiveRatio0.14
74.2554%