Run: 2026-09-25-01M3CKBN3JFX9QJVB9DTVRP6Z3

Run Details

Duration:
20.9s
Cost:
$0.018493
Provider:
Mistral

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
The abandoned Tube station beneath Camden reeked of damp and rust. Detective Harlow Quinn stepped over a rotted timber beam, her boots crunching on decades of accumulated grime. The air hung thick, the kind that stuck to the back of the throat. She adjusted the worn leather watch on her left wrist, the familiar weight a small comfort in the oppressive dark. A single bulb flickered overhead, casting jagged shadows across the platform. The beam from her torch cut through the gloom, illuminating the body. A man, mid-thirties, sprawled on his back, arms splayed like he’d been dropped from a height. His suit was too fine for this place—charcoal wool, Italian cut. The kind that didn’t come cheap. His face was frozen in an expression of surprise, eyes wide, mouth slightly open as if he’d seen something he couldn’t quite believe. Quinn crouched, gloved fingers hovering over the body. No visible wounds. No blood. No signs of struggle. Just the faintest scent of ozone, like after a storm. “No defensive wounds, no trauma,” muttered a voice from behind her. She didn’t turn. Didn’t need to. The sharp click of heels on concrete was enough. “Morning, Detective,” the voice continued, smoother this time. A beat of silence. “Or is it still night up there?” Quinn exhaled through her nose. “DS Carter. You’re early.” “Heard it was an interesting one.” DS Carter stepped beside her, his torchlight joining hers. He was younger, eager in that way that only came with a few years on the force. His tie was already loosened, sleeves rolled up. “No ID on him. Wallet’s empty. Phone’s gone.” Quinn’s gaze flicked to the man’s left hand. A tan line where a ring should’ve been. “Married. Or was.” Carter shrugged. “Or he pawned it. Times are hard.” She ignored that. Times were always hard for someone. The man’s right hand was clenched. She pried the fingers open. A small, brass compass lay in his palm, its face etched with symbols she didn’t recognise. The needle spun wildly, then settled, pointing at the far wall. Carter leaned in. “What’s that?” “Not standard issue.” She turned it over. The casing had a patina of verdigris, the kind that came with age or something less natural. “You ever seen anything like it?” He shook his head. “Looks like junk. Maybe he was a collector.” Quinn stood, the compass still in her gloved hand. The needle twitched, then swung toward a dark alcove beyond the platform. She followed its pull, torchlight sweeping the crumbling tiles. The beam caught something—a glint of metal, half-buried in the dirt. She knelt, brushing away the grime. A small, bone token, carved with a symbol that matched the compass’s markings. Carter frowned. “That’s… not police issue either.” “No.” She pocketed both items. “It’s not.” A draft slithered through the tunnel, cold and unnatural. The bulb above them flickered, then died. Carter’s torch sputtered. Quinn’s didn’t. “Your light’s better than mine,” he muttered, stepping closer. She didn’t answer. Her gaze was fixed on the far wall. The compass needle was steady now, unerring. Pointing at a section of brickwork that looked… wrong. The mortar was too clean, the edges too precise. She pressed her palm against it. The brick gave way. Carter swore. “What the hell?” The hidden door swung open with a groan, revealing a narrow passage. The air that rushed out was thick with the scent of spices and something older, something that made the hairs on her arms stand up. Quinn stepped forward. “Hold on,” Carter grabbed her arm. “We can’t just—” “We can.” She shook him off. “And we are.” The passage twisted, then opened into a space that shouldn’t have existed beneath Camden. Stalls lined a cavernous market, their wares glowing under the dim light of floating orbs. Potions in glass vials, jewellery that pulsed with inner light, books bound in what looked like human skin. Quinn’s breath hitched. This wasn’t a crime scene. Not the kind she was used to. A figure moved in the periphery. A woman, red curls bouncing as she hurried past, a worn leather satchel slung over her shoulder. She glanced their way, then did a double take. “Eva,” Quinn called. The woman—Eva Kowalski—froze. Her green eyes widened behind round glasses. “Detective Quinn?” She tucked a strand of hair behind her left ear, a nervous habit Quinn had seen a hundred times before. “What are you doing here?” “Following a lead.” Quinn held up the compass. “Recognise this?” Eva’s gaze flicked to it, then to the body still lying in the tunnel. She paled. “That’s a Veil Compass. It points to rifts, portals. Supernatural energy.” Carter let out a disbelieving laugh. “Supernatural? You’re kidding.” Eva ignored him. “He shouldn’t have had that. Not unless he was looking for the Market.” Quinn’s grip tightened on the compass. “And the Market is…?” “Here.” Eva gestured to the stalls, the crowd of figures that were decidedly not human. “The Veil Market. It moves every full moon. You need a bone token to get in.” Carter’s torch flickered again. “This is insane. We need to call this in.” Quinn didn’t take her eyes off Eva. “You know this place.” Eva hesitated. “I’ve… heard of it.” “Bullshit.” Quinn stepped closer. “You’re here for a reason. Same as him.” She jerked her chin toward the tunnel. Eva’s fingers twisted in the strap of her satchel. “I was researching. That’s all.” “Researching what?” “Things that go bump in the night.” Eva’s voice was steady, but her knuckles were white. “You wouldn’t believe me if I told you.” Quinn studied her. The freckled complexion, the way she kept glancing at the compass like it might bite her. Eva wasn’t just a bystander. “Try me.” Eva exhaled. “Fine. That man—he was looking for something. Something dangerous. The Market deals in more than just trinkets. There are things here that can kill you without touching you.” Carter scoffed. “And you expect us to buy that?” Quinn didn’t. Not yet. But the compass in her hand was warm now, the needle spinning like it was alive. And the body in the tunnel had no wounds, no signs of struggle. Just a look of sheer, unadulterated terror. She turned back to the Market, to the sea of faces that were watching them now, some curious, some wary. A few, she noted, looked downright hostile. “We’re not welcome here,” Eva muttered. Quinn adjusted her watch. “No. But we’re here anyway.” A shadow moved at the edge of the light. A figure, tall and gaunt, wrapped in a cloak that seemed to drink the light. It stepped forward, and the crowd parted like water. Eva’s breath hitched. “Oh. That’s not good.” The figure stopped a few paces away. Its face was obscured by a deep hood, but Quinn could feel its gaze, heavy and assessing. “Detective,” it said, voice like dry leaves. “You’ve brought a guest.” Quinn didn’t flinch. “Who are you?” The figure tilted its head. “A vendor. Among other things.” A gloved hand emerged from the cloak, holding a small, glass vial. The liquid inside swirled with colours that didn’t have names. “You seek answers. I sell them.” Carter took a step back. “This is a setup. We need to go. Now.” Quinn didn’t move. “What happened to him?” She jerked her thumb toward the tunnel. The vendor’s gloved fingers tightened around the vial. “He asked the wrong questions. Took the wrong path.” A pause. “The Market does not suffer fools.” Eva’s voice was barely a whisper. “Or thieves.” Quinn’s gaze flicked to her. “He stole something?” Eva nodded. “Or tried to. Some things here… they don’t like being taken.” The vendor chuckled, a sound like cracking ice. “She speaks true. The Market has rules. Break them, and the Market collects.” Quinn looked down at the compass in her hand. The needle had stilled, pointing directly at the vendor. “And the compass?” “A guide. For those who know how to use it.” The vendor extended the vial. “For a price.” She didn’t take it. “What’s the price?” The vendor’s smile was a slash in the dark. “A memory. A secret. A name.” The gloved hand waved dismissively. “Something of value.” Carter’s torch died. The orbs of light around them dimmed, as if the Market itself was holding its breath. Quinn’s fingers curled around the compass. “We’re done here.” The vendor didn’t move. “The dead man was a fool. But you, Detective… you are not.” The vial disappeared back into the cloak. “The Market remembers those who show respect.” She turned, motioning for Eva and Carter to follow. The passage back seemed longer than she remembered, the air thicker. Behind them, the Market’s murmurs faded into silence. They emerged into the abandoned Tube station. The body was still there, still staring at nothing. Carter lit a cigarette with shaking hands. “We are *never* speaking of this.” Eva adjusted her glasses, her earlier nervousness replaced by something sharper. “You should. Because whatever killed him? It’s still out there.” Quinn crouched beside the body again. The man’s fingers were still curled, as if he’d died clutching something. But his palm was empty now. She stood, dusting off her knees. The compass in her pocket was cold. Carter exhaled a stream of smoke. “So. What now?” Quinn looked at Eva. “Now we find out what he was really after.” Eva met her gaze, then nodded. “Then we’re going to need more than a compass.”
created_at"2026-09-25T15:36:18.814Z" 9/25/2026, 3:36:18 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency579
moderation_latency(null)
generation_time20832
tokens_prompt1112
tokens_completion2533
native_tokens_prompt1074
native_tokens_completion2251
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier"default"
usage0.0184935
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350578-30a0maNUUlyZ6ZRcRHTg"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350578-U4swCyYaeG3fpNflCI1s"
upstream_id"737d468cc3134abf94ed40829e1843f9"
provider_responses
0
endpoint_id"38ef23a9-5cb3-46fa-85ec-7aed174f04eb"
id"737d468cc3134abf94ed40829e1843f9"
is_byokfalse
latency579
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.0184935
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
adverbTagCount2
adverbTags
0"hand waved dismissively [dismissively]"
1"The vial disappeared back [back]"
dialogueSentences74
tagDensity0.27
leniency0.541
rawRatio0.1
effectiveRatio0.054
93.69% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1584
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"really"
count1
highlights
0"slightly"
1"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)
43.18% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1584
totalAiIsms18
found
0
word"familiar"
count1
1
word"weight"
count1
2
word"oppressive"
count1
3
word"flickered"
count3
4
word"gloom"
count1
5
word"silence"
count2
6
word"flicked"
count3
7
word"etched"
count1
8
word"standard"
count1
9
word"glint"
count1
10
word"pulsed"
count1
11
word"could feel"
count1
12
word"whisper"
count1
highlights
0"familiar"
1"weight"
2"oppressive"
3"flickered"
4"gloom"
5"silence"
6"flicked"
7"etched"
8"standard"
9"glint"
10"pulsed"
11"could feel"
12"whisper"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences152
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences152
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences203
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen29
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1579
ratio0.001
matches
0"never"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions68
wordCount1170
uniqueNames9
maxNameDensity2.14
worstName"Quinn"
maxWindowNameDensity5
worstWindowName"Eva"
discoveredNames
Tube2
Camden2
Harlow1
Quinn25
Italian1
Carter15
Eva18
Kowalski1
Market3
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Carter"
4"Eva"
5"Kowalski"
places
0"Market"
globalScore0.432
windowScore0
44.74% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences95
glossingSentenceCount4
matches
0"quite believe"
1"looked like human skin"
2"cloak that seemed to drink the light"
3"seemed longer than she remembered, the air thicker"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1579
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences203
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs80
mean19.74
std12.99
cv0.658
sampleLengths
062
123
256
327
426
519
69
748
819
99
1047
115
1230
1312
1441
1519
167
177
1821
199
2036
2110
225
2337
243
259
269
2747
2815
2932
303
3137
3210
3327
349
3516
3610
3731
3813
3911
406
4119
4214
432
4424
4526
4630
479
4840
4927
91.41% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences152
matches
0"been dropped"
1"was frozen"
2"was clenched"
3"was fixed"
4"was used"
5"was obscured"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs219
matches
0"were watching"
1"was holding"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences3
totalSentences203
ratio0.015
matches
0"His suit was too fine for this place—charcoal wool, Italian cut."
1"The beam caught something—a glint of metal, half-buried in the dirt."
2"The woman—Eva Kowalski—froze."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1176
adjectiveStacks0
stackExamples(empty)
adverbCount38
adverbRatio0.03231292517006803
lyAdverbCount7
lyAdverbRatio0.005952380952380952
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences203
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences203
mean7.78
std5.05
cv0.649
sampleLengths
011
117
214
320
411
512
616
711
86
923
108
113
122
134
1410
1511
163
173
189
198
204
217
225
234
2415
2517
268
278
288
298
303
312
327
333
346
356
365
3716
3811
393
402
417
4217
436
444
458
469
4712
489
4911
46.06% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.270935960591133
totalSentences203
uniqueOpeners55
49.02% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences136
matches
0"Just the faintest scent of"
1"Just a look of sheer,"
ratio0.015
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences136
matches
0"She adjusted the worn leather"
1"His suit was too fine"
2"His face was frozen in"
3"She didn’t turn."
4"He was younger, eager in"
5"His tie was already loosened,"
6"She ignored that."
7"She pried the fingers open."
8"She turned it over"
9"He shook his head."
10"She followed its pull, torchlight"
11"She knelt, brushing away the"
12"She pocketed both items"
13"he muttered, stepping closer"
14"She didn’t answer."
15"Her gaze was fixed on"
16"She pressed her palm against"
17"She shook him off"
18"She glanced their way, then"
19"Her green eyes widened behind"
ratio0.228
7.79% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount123
totalSentences136
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped over"
2"The air hung thick, the"
3"She adjusted the worn leather"
4"A single bulb flickered overhead,"
5"The beam from her torch"
6"A man, mid-thirties, sprawled on"
7"His suit was too fine"
8"The kind that didn’t come"
9"His face was frozen in"
10"Quinn crouched, gloved fingers hovering"
11"She didn’t turn."
12"The sharp click of heels"
13"the voice continued, smoother this"
14"A beat of silence."
15"Quinn exhaled through her nose."
16"DS Carter stepped beside her,"
17"He was younger, eager in"
18"His tie was already loosened,"
19"Quinn’s gaze flicked to the"
ratio0.904
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences136
matches(empty)
ratio0
61.22% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences35
technicalSentenceCount4
matches
0"His face was frozen in an expression of surprise, eyes wide, mouth slightly open as if he’d seen something he couldn’t quite believe."
1"The casing had a patina of verdigris, the kind that came with age or something less natural."
2"The air that rushed out was thick with the scent of spices and something older, something that made the hairs on her arms stand up."
3"The orbs of light around them dimmed, as if the Market itself was holding its breath."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags20
uselessAdditionCount1
matches
0"DS Carter stepped, his torchlight joining hers"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount3
fancyTags
0"the voice continued (continue)"
1"he muttered (mutter)"
2"Eva muttered (mutter)"
dialogueSentences74
tagDensity0.068
leniency0.135
rawRatio0.6
effectiveRatio0.081
81.2372%