Run: 2026-03-18-01KM09DHWC9MPMG1MXXDNHJ0EK

Run Details

Duration:
13.7s
Cost:
$0.000895
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
Detective Harlow Quinn descended the narrow service stairs into the dim belly of the city, her worn leather watch catching the thin beam of her torch. The Tube station hadn’t seen passengers in decades, the platform slick with condensation, the tiles blackened by time and neglect. At her side, Eva Kowalski’s breath came quick and shallow, her round glasses glinting as she adjusted the strap of her leather satchel. “You’re sure this is the right place?” Eva muttered, tucking a curl behind her ear with a trembling hand. “Because I don’t see anything except dirt and rats.” Harlow didn’t answer. Her boots struck the cracked platform with precise steps, the sound bouncing back like a metronome counting down. Up ahead, cordon tape fluttered in the damp draft, illuminated by the harsh glow of Scene of Crime Officers. A familiar dread coiled in her gut—three years since Morris had disappeared in a case gone wrong. A case full of half-truths and missing evidence. And now this. The detectives parted wordlessly as Harlow stepped through the tape. She didn’t need their pity. She needed answers. “Detective Quinn,” said DS Barnes, a burly man with a smirk that never quite faded. “Thought you’d be here. Fresh kill, out of the ordinary.” Harlow ignored the insinuation and strode forward. In the center of the platform lay a human figure, arms splayed, fingers clawed into the concrete. The body was soaked in blackened blood that hadn’t quite dried, its edges glistening under the crime scene lights. But it wasn’t the blood that made her pause. It was the eyes. Eva gasped beside her. “Oh God. They’re still open.” They were. Wide, unblinking, fixed on the ceiling. Not at all lifeless. Not at all still. And yet the chest was still. Harlow knelt, her knee pressing into damp fabric. No rigor had set in yet. Too soon for that. She pulled on nitrile gloves, the latex crackling like static. The victim wore a tailored suit, expensive wool, now ruined. A gold chain glinted at the wrist—torn between sleeve and skin. She lifted the arm. The hand was ice cold, porcelain-white. But what made her blood turn to frost was the scent clinging to the corpse—not death, not decay. Something older. Something like ozone and burnt copper. Eva leaned in, her glasses misting with condensation. “That smell… it’s not natural.” Harlow didn’t answer. She flipped the victim’s lapel. A pin glinted in the light—a silver raven, wings spread, clutching a crescent moon. Eva recoiled. “That’s the symbol of the Veil Market.” Quinn’s fingers tightened around the lapel. “You’re saying he was a dealer?” “Or a buyer,” Eva whispered. “Or both.” DS Barnes chuckled. “You two and your conspiracy theories. This is just another body, Quinn. Some poor sod got knifed in a back-alley deal gone wrong.” Harlow didn’t look up. She reached into her coat and withdrew a small brass compass—the Veil Compass. It had been a gift from Morris before he vanished. She set it on the victim’s chest. The needle spun wildly, then settled, pointing north. Not toward a rift. Not toward anything dangerous. “That’s not right,” Eva said. Quinn’s gut twisted. “The compass is broken.” Then she noticed the wristwatch. Not the victim’s. Her own. The hands were spinning backward. She glanced up at the ceiling. The tiled arches above pulsed, breathing, shifting—her mind rebelling, trying to make sense of flickering shadows that weren’t shadows at all. Eva seized her arm. “Harlow—look.” The corpse’s fingers twitched. Quinn reeled back as the chest rose in a slow, wet inhalation. The blackened blood bubbled at the mouth. A choked gasp escaped—dry, rasping, impossible. DS Barnes stepped forward. “See? Just shock. Rigor’s delayed.” But Eva was already backing away. “No. That’s not rigor. That’s resurrection.” The body sat up. Head lolled forward. Then, in a voice like rusted hinges, it spoke. “Tell my sister I’m coming home.” Three officers stumbled back. Barnes drew his baton. “Enough of this bullshit.” Harlow didn’t move. Her watch had stopped. The compass needle now pointed south. And Eva’s satchel trembled. Something inside it was vibrating. She fumbled with the clasp. A book slid out—leather-bound, pages yellowed, etched with sigils. The title had faded, but the mark beneath was unmistakable: the same silver raven. Eva’s face drained of color. “Harlow… this is from the restricted section. Not even I should have access.” The corpse lurched to its feet. Its suit was pristine now. Unstained. Too neat. Too clean. DS Barnes swung his baton. “Stand down.” The baton passed through the man’s arm like smoke. Harlow’s breath came fast. She reached for her radio—dead. Not a signal out. Not in this place. “This isn’t a crime scene,” she said slowly. “It’s a bridge.” Eva’s glasses fogged over. “A bridge where?” The man’s head snapped up. His eyes were black pits, devoid of light. “To the other side of the Veil.” Harlow Quinn didn’t hesitate. She grabbed Eva’s hand and ran. The platform trembled behind them, tiles shattering as the corpse followed—not walking, but *floating*, suspended in a halo of black mist. They burst up the stairs into the dead-end of a Camden back alley, London’s cold night air a shock. Eva gasped. “The Veil Market—it’s here tonight. That’s why the compass didn’t work.” Harlow spun. The market wasn’t supposed to be here. Not under real Tube stations. Not in the waking world. But the air smelled of ozone and burnt copper. And from the pavement, creeping between the cracks of the North London pavement, something dark and glistening pulsed. “We have to get out,” Harlow said. “Before the gates close.” Eva clutched her arm. “We can’t. The bone token—you need one to leave.” Harlow patted her coat. Cold air bit through fabric. Her fingers brushed metal. Her watch. She looked down. The leather strap was missing. The watchface was cracked. The hands spun wildly backward. And etched into the brass back, just visible under the dim streetlight, was the symbol of the raven. Eva whispered, “Oh Harlow… you bought a ticket.”
created_at"2026-03-18T10:56:14.746Z" 3/18/2026, 10:56:14 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency388
moderation_latency(null)
generation_time13616
tokens_prompt923
tokens_completion1687
native_tokens_prompt887
native_tokens_completion1464
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached864
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"
usage0.00089481
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"90a5c38ee55f4f6689553dbef63b8685"
is_byokfalse
latency388
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-1773831374-F4gXAec7m4mHnsSQVyjz"
upstream_id"90a5c38ee55f4f6689553dbef63b8685"
total_cost0.00089481
cache_discount0.00011664
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
totalTags7
adverbTagCount1
adverbTags
0"she said slowly [slowly]"
dialogueSentences29
tagDensity0.241
leniency0.483
rawRatio0.143
effectiveRatio0.069
95.09% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1019
totalAiIsmAdverbs1
found
0
adverb"slowly"
count1
highlights
0"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)
26.40% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1019
totalAiIsms15
found
0
word"glinting"
count1
1
word"fluttered"
count1
2
word"familiar"
count1
3
word"glistening"
count2
4
word"porcelain"
count1
5
word"pulsed"
count2
6
word"sense of"
count1
7
word"trembled"
count2
8
word"etched"
count2
9
word"lurched"
count1
10
word"pristine"
count1
highlights
0"glinting"
1"fluttered"
2"familiar"
3"glistening"
4"porcelain"
5"pulsed"
6"sense of"
7"trembled"
8"etched"
9"lurched"
10"pristine"
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
narrationSentences118
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences118
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences140
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen26
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1008
ratio0.001
matches
0"floating"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions1
matches
0"Then, in a voice like rusted hinges, it spoke."
53.85% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions53
wordCount832
uniqueNames15
maxNameDensity1.92
worstName"Eva"
maxWindowNameDensity3
worstWindowName"Eva"
discoveredNames
Harlow13
Quinn5
Tube2
Eva16
Kowalski1
Scene1
Crime1
Officers1
Morris2
Barnes5
Veil1
Compass1
Camden1
London2
North1
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Scene"
5"Officers"
6"Morris"
7"Barnes"
places
0"London"
1"North"
globalScore0.538
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences51
glossingSentenceCount1
matches
0"Something like ozone and burnt copper"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.992
wordCount1008
matches
0"not walking, but *floating*, suspended in a halo of black mist"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences140
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs52
mean19.38
std17.42
cv0.899
sampleLengths
097
168
218
325
456
59
622
759
826
913
1031
1112
127
1326
1434
158
168
175
187
195
2010
2132
224
2325
249
2512
2616
276
2812
2913
309
3128
3218
3316
347
359
3617
3711
387
3920
4031
4132
4219
4327
4411
4513
4613
472
488
499
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences118
matches
0"was soaked"
71.79% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs156
matches
0"were spinning"
1"was already backing"
2"was vibrating"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount10
semicolonCount0
flaggedSentences10
totalSentences140
ratio0.071
matches
0"A familiar dread coiled in her gut—three years since Morris had disappeared in a case gone wrong."
1"A gold chain glinted at the wrist—torn between sleeve and skin."
2"But what made her blood turn to frost was the scent clinging to the corpse—not death, not decay."
3"A pin glinted in the light—a silver raven, wings spread, clutching a crescent moon."
4"She reached into her coat and withdrew a small brass compass—the Veil Compass."
5"The tiled arches above pulsed, breathing, shifting—her mind rebelling, trying to make sense of flickering shadows that weren’t shadows at all."
6"A choked gasp escaped—dry, rasping, impossible."
7"A book slid out—leather-bound, pages yellowed, etched with sigils."
8"She reached for her radio—dead."
9"The platform trembled behind them, tiles shattering as the corpse followed—not walking, but *floating*, suspended in a halo of black mist."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount844
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.027251184834123223
lyAdverbCount6
lyAdverbRatio0.0071090047393364926
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences140
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences140
mean7.2
std5.32
cv0.739
sampleLengths
026
120
223
319
49
53
618
719
817
98
103
1110
125
133
1415
1510
167
1717
1819
199
204
214
225
232
246
254
264
276
288
296
304
3110
3210
3311
344
356
3618
372
386
398
405
413
425
4314
442
457
466
476
485
492
42.62% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.30714285714285716
totalSentences140
uniqueOpeners43
96.15% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences104
matches
0"Too soon for that."
1"Then she noticed the wristwatch."
2"Then, in a voice like"
ratio0.029
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount21
totalSentences104
matches
0"Her boots struck the cracked"
1"She didn’t need their pity."
2"She needed answers."
3"It was the eyes."
4"She pulled on nitrile gloves,"
5"She lifted the arm."
6"She flipped the victim’s lapel."
7"She reached into her coat"
8"It had been a gift"
9"She set it on the"
10"She glanced up at the"
11"Her watch had stopped."
12"She fumbled with the clasp."
13"Its suit was pristine now."
14"She reached for her radio—dead."
15"she said slowly"
16"His eyes were black pits,"
17"She grabbed Eva’s hand and"
18"They burst up the stairs"
19"Her fingers brushed metal."
ratio0.202
99.42% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount75
totalSentences104
matches
0"Detective Harlow Quinn descended the"
1"The Tube station hadn’t seen"
2"Eva muttered, tucking a curl"
3"Harlow didn’t answer."
4"Her boots struck the cracked"
5"A familiar dread coiled in"
6"A case full of half-truths"
7"The detectives parted wordlessly as"
8"She didn’t need their pity."
9"She needed answers."
10"Harlow ignored the insinuation and"
11"The body was soaked in"
12"It was the eyes."
13"Eva gasped beside her."
14"Harlow knelt, her knee pressing"
15"She pulled on nitrile gloves,"
16"The victim wore a tailored"
17"A gold chain glinted at"
18"She lifted the arm."
19"The hand was ice cold,"
ratio0.721
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences104
matches(empty)
ratio0
80.75% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences23
technicalSentenceCount2
matches
0"The body was soaked in blackened blood that hadn’t quite dried, its edges glistening under the crime scene lights."
1"The tiled arches above pulsed, breathing, shifting—her mind rebelling, trying to make sense of flickering shadows that weren’t shadows at all."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount0
matches(empty)
46.55% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount3
fancyTags
0"Eva muttered (mutter)"
1"Eva whispered (whisper)"
2"Eva whispered (whisper)"
dialogueSentences29
tagDensity0.241
leniency0.483
rawRatio0.429
effectiveRatio0.207
83.7542%