Run: 2026-03-18-01KM09AE419CN6E865M415NXCY

Run Details

Duration:
25.7s
Cost:
$0.001272
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 tunnels beneath Camden smelled of wet concrete and ozone, the air thick with the hum of unseen lines carrying no trains. Detective Harlow Quinn stepped carefully over a slick of blackened grime, her polished shoes making faint sucking sounds in the muck. The overhead strip lighting flickered—once, twice—like a dying pulse. Something was wrong before she even saw the body. No uniformed officers. No SOCO tents. Just a single constable standing too still near a graffiti-tagged wall, his torch beam swaying just slightly too fast in his grip. She recognized DS Elias Carter by his stance alone, shoulders tight, fingers twitching near his radio. "Evening," she said, voice cutting through the damp silence. Carter turned slowly, his narrow face caught between relief and something else—something cautious. "Detective. You got my message." "Which one? The cryptic one about a body in an abandoned station, or the even more cryptic one about a bone token lodged in someone’s sternum?" His Adam’s apple bobbed. He didn’t laugh. "Both, ma’am." Quinn stepped past him, boots crunching on something brittle. Her leather watch, its face smudged with grime, ticked steadily against her wrist. She didn’t need the Veil Compass here—her instincts were sharp enough. This wasn’t a normal murder scene. Then she saw the victim. A young woman, early twenties, sprawled at the base of a rusted service ladder. Blood pooled beneath her, dark and viscous, not yet fully congealed. Her left hand clutched a small brass compass, its face etched with unfamiliar sigils. The casing had a greenish patina, like old coinage left in water too long. The needle spun lazily, as if undecided. Quinn crouched, careful not to disturb the scene more than necessary. No defensive wounds. No struggle. No signs of forced entry. Just a body in a dead place. “Cause of death?” she asked. “Blunt force trauma to the head,” Carter said, kneeling beside her. “Look at the wound. Irregular. Not like a hammer or a brick. More like—” “Something heavier. Something jagged.” She unzipped her forensic suit from her bag and pulled it on. The suit smelled of antiseptic and plastic. She snapped on gloves. "Any defensive marks on the ladder? Scratches? Blood spatter on the rungs?" Carter shook his head. "No ladder damage. No prints on the rungs. The blood trail starts here—concentrated under her skull. Almost like she was dropped." Quinn gently lifted the woman’s fingers from the compass. The moment she did, the needle snapped to a sharp bearing northwest, toward the tunnels that led deeper into forgotten London. She felt a faint tingle in her palms—not electric, not exactly warmth, but a slow prickling, like pins and needles from circulation returning. "Where was the bone token?" she asked. Carter pointed. "Embedded in her sternum. Right through the bone, like it was fired." Quinn followed his finger. Embedded in the woman’s chest was a small, yellowed token—carved, not cast. A spiral of bone, worn smooth at the edges, as if handled often. A marker. A key. Not something you’d find in a regular market. She pulled out the Veil Compass from her coat pocket. Its needle spun wildly, then settled on the same bearing as before. The sigils on its face glowed faintly in the dim light, like embers in a dying fire. “This is Veil Market business,” she murmured. Carter frowned. “Ma’am, that’s not possible. The Market doesn’t exist here tonight. It hasn’t been beneath Camden in... what, three months?” “Exactly.” She stood, brushing dirt from her knees. “And yet, someone left a bone token in a woman’s chest. Someone used something heavy and jagged to cave in her skull. Someone brought a Veil Compass here and then dropped it.” She knelt again, closer. The woman’s face was pale, freckled. Her curly red hair was matted with blood and dust. Quinn reached into her satchel and withdrew a pair of tweezers. From the woman’s earlobe hung a tiny silver charm—a crescent moon, worn thin with time. Carter noticed. “Personal item?” “Maybe.” Quinn held it up to the light. “Or a calling card.” She turned it over. Etched on the back were initials: *EK.* Quinn’s breath caught. EK. Eva Kowalski. Her best friend’s initials. She stood abruptly, the compass in one hand, the charm in the other. The needle on the compass twitched violently—pulsing, as if sensing something. Quinn felt the air thicken around her, the temperature dropping. The tunnel lights dimmed again, not from power loss, but as if something was blocking the current. Carter noticed the change. “Detective?” “Something’s wrong here.” She holstered the compass. “This isn’t a murder. It’s a message.” “A message?” Carter’s voice was tight. “To who?” “To me.” The tunnel groaned. Not the sound of settling concrete, but something deeper—like stone breathing. The graffiti on the wall rippled, the paint shifting, forming new symbols beneath the spray—sigils Quinn hadn’t seen in years. Her pulse thudded in her throat. She pulled out her phone. No signal. Dead. Like the lights. Like the world above. Carter’s torch flickered out. In the dark, Quinn heard a whisper—soft, female, familiar. “Harlow.” Her breath stopped. That voice. It couldn’t be. Not here. Not now. “Evie?” Her voice cracked. A laugh—light, amused. “Miss me?” The compass began to glow, blue-white, casting eerie light across the walls. Quinn spun, compass in front, but saw only shadows. The air grew thick, humid, like standing inside a lung. The ground beneath her feet trembled. The body of the young woman began to rise—slowly, as if lifted by unseen hands. Carter saw it too. “Bloody hell—” “Don’t move,” Quinn ordered, voice steel. “Don’t breathe. Don’t look away.” The woman’s body hovered, suspended in the dark. Her head lolled back. Her mouth opened. And from her lips poured not blood, not vomit, but smoke—black, writhing, forming shapes. Faces. Names. Memories. Quinn saw them all—flashbulbs of violence, of betrayal, of loss. DS Morris. Drowning in shadow. Eyes wide. Mouth open in a scream that never came. Herself, kneeling in a cellar, pressing her partner’s chest, trying to restart a heart that stopped three years ago. And then—Eva. Young. Smiling. Holding a red notebook. *“You’ll never find me here, Har. It’s not safe.”* The smoke writhed. The young woman’s body settled gently to the ground. Silence returned. Quinn’s hands were shaking. She gripped the compass until it bit into her flesh. “She’s not dead,” she whispered. Carter didn’t answer. He couldn’t. The tunnel felt empty. The Market was gone. The body looked human again. But Quinn knew. This was no murder. This was a summoning. And Eva—Eva was the offering. Quinn closed her eyes. The compass burned in her palm. She had eighteen years on the force. Eighteen years chasing ghosts in human skin. Now one had reached back. She holstered the compass and pulled out her radio—still dead. Of course. She looked at Carter. His face was pale, his torch still dark. “Elias,” she said calmly, “I need you to go above. Now. Call in the occult division. Say it’s Veil-related. Say the Market’s bleeding into Camden. Say anything. But get someone here with silver nitrate, salt, and holy water. Fast.” “Detective, with respect—” “Go.” Her voice was final. “And tell them Quinn knows.” Carter hesitated, then turned and jogged down the tunnel, his steps echoing sharply. Alone, Quinn knelt beside the woman’s body. She placed the charm back in the woman’s hand. The Veil Compass spun once, then settled due north. Toward the tunnels that led to nowhere known. Toward the heart of the unseen city. She felt Eva’s presence like a wound—deep, familiar, aching. And she knew—this wasn’t a message. This was a warning. From a ghost who wasn’t dead. From a friend who’d vanished two years ago. And the case wasn’t just starting. It was ending.
created_at"2026-03-18T10:54:32.591Z" 3/18/2026, 10:54:32 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency427
moderation_latency(null)
generation_time25601
tokens_prompt923
tokens_completion2195
native_tokens_prompt887
native_tokens_completion1898
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.00127185
router(null)
provider_responses
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endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"224c671f5fa44c499f426e4e2cbaee76"
is_byokfalse
latency427
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-1773831272-B0GMIPGSJ4kd9rPjTtBM"
upstream_id"224c671f5fa44c499f426e4e2cbaee76"
total_cost0.00127185
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
totalTags13
adverbTagCount1
adverbTags
0"she said calmly [calmly]"
dialogueSentences37
tagDensity0.351
leniency0.703
rawRatio0.077
effectiveRatio0.054
69.63% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1317
totalAiIsmAdverbs8
found
0
adverb"carefully"
count1
1
adverb"slightly"
count1
2
adverb"slowly"
count2
3
adverb"lazily"
count1
4
adverb"gently"
count2
5
adverb"sharply"
count1
highlights
0"carefully"
1"slightly"
2"slowly"
3"lazily"
4"gently"
5"sharply"
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)
31.66% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1317
totalAiIsms18
found
0
word"flickered"
count2
1
word"pulse"
count2
2
word"silence"
count2
3
word"etched"
count2
4
word"electric"
count1
5
word"warmth"
count1
6
word"charm"
count3
7
word"whisper"
count1
8
word"familiar"
count2
9
word"trembled"
count1
10
word"echoing"
count1
highlights
0"flickered"
1"pulse"
2"silence"
3"etched"
4"electric"
5"warmth"
6"charm"
7"whisper"
8"familiar"
9"trembled"
10"echoing"
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
narrationSentences151
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences151
filterMatches
0"watch"
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences173
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords10
totalWords1298
ratio0.008
matches
0"EK."
1"“You’ll never find me here, Har. It’s not safe.”"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
63.13% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions52
wordCount1036
uniqueNames14
maxNameDensity1.74
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Tube1
Camden1
Harlow1
Quinn18
Elias1
Carter14
Adam1
Veil3
Compass3
London1
Kowalski1
Morris1
Eva5
Market1
persons
0"Tube"
1"Camden"
2"Harlow"
3"Quinn"
4"Elias"
5"Carter"
6"Adam"
7"Compass"
8"Kowalski"
9"Morris"
10"Eva"
places
0"London"
globalScore0.631
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences73
glossingSentenceCount1
matches
0"as if sensing something"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches6
per1kWords4.622
wordCount1298
matches
0"not electric, not exactly warmth, but a slow prickling, like pins"
1"not exactly warmth, but a slow prickling, like pins"
2"not from power loss, but as if something was blocking the current"
3"Not the sound of settling concrete, but something deeper"
4"not blood, not vomit, but smoke"
5"not vomit, but smoke"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences173
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs82
mean15.83
std16.92
cv1.069
sampleLengths
0106
19
218
326
49
539
65
760
828
95
1025
1139
1225
1353
147
1514
1641
1739
187
1921
2040
2146
224
2312
2411
253
263
274
2851
295
3014
318
322
3340
3415
354
369
371
383
392
403
414
424
435
4431
4521
466
4711
4815
4917
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences151
matches
0"was matted"
1"was gone"
62.54% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs194
matches
0"was blocking"
1"were shaking"
2"wasn’t just starting"
3"was ending"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount20
semicolonCount0
flaggedSentences19
totalSentences173
ratio0.11
matches
0"The overhead strip lighting flickered—once, twice—like a dying pulse."
1"Carter turned slowly, his narrow face caught between relief and something else—something cautious."
2"She didn’t need the Veil Compass here—her instincts were sharp enough."
3"She felt a faint tingle in her palms—not electric, not exactly warmth, but a slow prickling, like pins and needles from circulation returning."
4"Embedded in the woman’s chest was a small, yellowed token—carved, not cast."
5"From the woman’s earlobe hung a tiny silver charm—a crescent moon, worn thin with time."
6"The needle on the compass twitched violently—pulsing, as if sensing something."
7"Not the sound of settling concrete, but something deeper—like stone breathing."
8"The graffiti on the wall rippled, the paint shifting, forming new symbols beneath the spray—sigils Quinn hadn’t seen in years."
9"In the dark, Quinn heard a whisper—soft, female, familiar."
10"A laugh—light, amused."
11"The body of the young woman began to rise—slowly, as if lifted by unseen hands."
12"And from her lips poured not blood, not vomit, but smoke—black, writhing, forming shapes."
13"Quinn saw them all—flashbulbs of violence, of betrayal, of loss."
14"And then—Eva."
15"And Eva—Eva was the offering."
16"She holstered the compass and pulled out her radio—still dead."
17"She felt Eva’s presence like a wound—deep, familiar, aching."
18"And she knew—this wasn’t a message."
92.74% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1056
adjectiveStacks0
stackExamples(empty)
adverbCount51
adverbRatio0.048295454545454544
lyAdverbCount19
lyAdverbRatio0.017992424242424244
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences173
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences173
mean7.5
std6.11
cv0.814
sampleLengths
023
121
29
39
43
53
622
716
89
913
105
1126
124
133
142
159
1613
1711
186
195
2014
2111
2214
2314
247
2511
263
272
285
297
305
3111
3214
3316
347
354
3612
374
3821
399
4021
4123
427
432
4412
454
4612
4713
482
492
53.95% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats20
diversityRatio0.3930635838150289
totalSentences173
uniqueOpeners68
81.30% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences123
matches
0"Just a single constable standing"
1"Then she saw the victim."
2"Just a body in a"
ratio0.024
99.67% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount37
totalSentences123
matches
0"She recognized DS Elias Carter"
1"she said, voice cutting through"
2"His Adam’s apple bobbed."
3"He didn’t laugh."
4"Her leather watch, its face"
5"She didn’t need the Veil"
6"Her left hand clutched a"
7"She unzipped her forensic suit"
8"She snapped on gloves."
9"She felt a faint tingle"
10"She pulled out the Veil"
11"Its needle spun wildly, then"
12"She stood, brushing dirt from"
13"She knelt again, closer."
14"Her curly red hair was"
15"She turned it over."
16"Her best friend’s initials."
17"She stood abruptly, the compass"
18"She holstered the compass"
19"Her pulse thudded in her"
ratio0.301
81.95% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount93
totalSentences123
matches
0"The Tube tunnels beneath Camden"
1"Detective Harlow Quinn stepped carefully"
2"The overhead strip lighting flickered—once,"
3"Something was wrong before she"
4"She recognized DS Elias Carter"
5"she said, voice cutting through"
6"Carter turned slowly, his narrow"
7"His Adam’s apple bobbed."
8"He didn’t laugh."
9"Quinn stepped past him, boots"
10"Her leather watch, its face"
11"She didn’t need the Veil"
12"This wasn’t a normal murder"
13"A young woman, early twenties,"
14"Blood pooled beneath her, dark"
15"Her left hand clutched a"
16"The casing had a greenish"
17"The needle spun lazily, as"
18"Quinn crouched, careful not to"
19"Carter said, kneeling beside her"
ratio0.756
40.65% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences123
matches
0"Now one had reached back."
ratio0.008
89.29% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences40
technicalSentenceCount3
matches
0"The moment she did, the needle snapped to a sharp bearing northwest, toward the tunnels that led deeper into forgotten London."
1"The needle on the compass twitched violently—pulsing, as if sensing something."
2"Herself, kneeling in a cellar, pressing her partner’s chest, trying to restart a heart that stopped three years ago."
86.54% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags13
uselessAdditionCount1
matches
0"she said, voice cutting through the damp silence"
68.92% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount3
fancyTags
0"she murmured (murmur)"
1"Quinn ordered (order)"
2"she whispered (whisper)"
dialogueSentences37
tagDensity0.216
leniency0.432
rawRatio0.375
effectiveRatio0.162
80.7324%