Run: 2026-09-25-01M3CKE3REQPKASZE0TA2ATZHQ

Run Details

Duration:
17.4s
Cost:
$0.016491
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, her boots crunching on decades of grime. The beam of her torch cut through the gloom, illuminating peeling posters and the skeletal remains of a long-dead rat. The air hung thick, as if the place itself was holding its breath. Ahead, a flicker of movement. DS Tom Whitaker stood by a rusted turnstile, his broad frame blocking most of the light from his own torch. He turned as she approached, his face half in shadow. "Took you long enough, Quinn. Thought you’d got lost." She didn’t rise to the bait. "Traffic was a nightmare. What’ve we got?" Whitaker gestured to the platform beyond. "Body. Male, mid-thirties. No ID yet. Throat’s been slit ear to ear." Quinn adjusted the strap of her bag, her fingers brushing the worn leather of her watch. She stepped past him, the beam of her torch sweeping the platform. The body lay sprawled near the edge, one arm outstretched as if he’d been reaching for something—or someone. The blood had pooled black in the torchlight, seeping into the cracks between the tiles. She crouched, careful not to disturb the scene. The victim’s clothes were odd—too fine for a dosser. A tailored overcoat, polished shoes. No signs of a struggle. No defensive wounds on the hands. "Robbery?" she asked. Whitaker snorted. "Wallet’s still in his pocket. Full of cash, too. Nearly two grand." Quinn’s brow furrowed. She reached for the man’s collar, peeling it back. No ligature marks, no bruising. Just the single, precise cut across the throat. "Professional job," she muttered. "Or personal," Whitaker said. "Could be a message." She glanced up at him. "You think this is gang-related?" He shrugged. "Maybe. Or maybe it’s just some nutter with a knife." Quinn stood, her torch flicking over the walls. The station was older than the war, its tiles cracked with age. But something else caught her eye—a symbol, barely visible beneath layers of grime. A circle, bisected by a jagged line. She stepped closer, brushing away the dust with her sleeve. Whitaker followed her gaze. "What’s that?" "Don’t know." She traced the lines with her finger. The etching was fresh, the edges sharp. Not part of the original station. "But it wasn’t here last week." "How do you know?" "Because I’ve walked this beat before." She turned back to the body. "And because this bloke didn’t just wander in off the street." Whitaker folded his arms. "You’re reaching, Quinn." She ignored him, crouching again. The victim’s fingers were clean—no dirt under the nails, no callouses. Not a labourer. Not a tramp. She pried open his coat, revealing a crisp white shirt beneath. No tears, no stains. Just the blood from the wound. Then she saw it. A chain around his neck, half-hidden beneath the collar. She tugged it free. A small, brass compass hung from it, its face etched with symbols she didn’t recognise. The needle didn’t point north. It spun lazily, as if caught in a breeze that didn’t exist. Whitaker leaned in. "What the hell is that?" Quinn turned it over in her fingers. The casing had a patina of verdigris, but the metal beneath was cool, almost humming. "No idea. But it’s not standard issue." She stood, tucking the compass into an evidence bag. Her torch caught something else—a glint of white near the body’s outstretched hand. She knelt again, picking up a small, smooth token. Bone, maybe. Or ivory. It was carved with the same symbol as the wall. Whitaker’s radio crackled. A voice cut through the static. "DS Whitaker, we’ve got a match on the prints. Victim’s name is Elias Vane. Known associate of the Veil Market." Quinn’s head snapped up. "The what?" Whitaker’s eyes narrowed. "You’ve never heard of it?" She shook her head. "Should I have?" "Rumour is it’s some kind of black market. Underground. Moves around." He hesitated. "Supernatural stuff, apparently." Quinn’s grip tightened on the evidence bag. Supernatural. The word sat heavy in her stomach. She thought of Morris, of the case that had ended with his body in a morgue and no answers in the file. She turned the token over in her fingers. "And Vane?" "Small-time dealer. Mostly artefacts. No priors, but he’s been on the radar." Quinn stood, her torch sweeping the platform again. The symbol on the wall. The compass. The token. None of it fit. Whitaker sighed. "Look, Quinn, I know you like your puzzles, but this one’s straightforward. Guy gets on the wrong side of the wrong people, ends up dead. End of story." She didn’t answer. Her gaze lingered on the compass in the evidence bag. The needle still spun. Then she saw it—the faintest imprint in the dust near the body’s feet. A footprint, but not from any shoe she recognised. Too large, too… irregular. Like something had stepped out of the dark and left its mark. Whitaker followed her line of sight. "What now?" Quinn crouched, brushing the dust away. The print was smudged, but the shape was unmistakable. Clawed. Not human. She stood abruptly. "We’re missing something." Whitaker threw his hands up. "For God’s sake, Quinn, it’s a dead bloke in an abandoned Tube station. What more do you want?" She didn’t look at him. Her torch flickered over the walls, the floor, the body. The compass in her hand pulsed, the needle twitching like a living thing. "Where’s the blood spray?" she asked suddenly. Whitaker blinked. "What?" She gestured to the body. "Throat’s cut ear to ear. There should be arterial spray. On the walls, the floor. But there’s barely any." Whitaker frowned, shining his torch over the scene. She was right. The blood was contained, almost neat. As if the wound hadn’t bled like it should have. Quinn’s pulse quickened. She knelt beside the body again, peeling back the collar. The cut was clean, too clean. No hesitation marks, no ragged edges. And the skin around it… it was wrong. The flesh was pale, almost grey, as if the life had been drained from it before the blade even touched him. She looked up at Whitaker. "This wasn’t just a murder." He rolled his eyes. "Here we go." "This was a ritual." Whitaker scoffed. "You’ve been watching too many late-night films, Quinn." She ignored him, standing and walking to the edge of the platform. The torchlight wavered over the tracks below. Something glinted in the dark—a scrap of fabric, maybe. Or metal. She climbed down, her boots crunching on the gravel. The air was colder here, thick with the scent of rust and something else. Something metallic, but not blood. Ozone, maybe. Or old magic. She crouched, picking up the object. A scrap of black cloth, embroidered with silver thread. The same symbol again—the circle, the jagged line. Whitaker’s voice echoed from above. "Quinn, get back up here. We’re not equipped for this." She didn’t move. Her fingers traced the embroidery. The cloth was cold, unnaturally so. It didn’t feel like fabric. It felt like… skin. A sound cut through the silence. A whisper, almost. Or the scrape of something against stone. Quinn’s head snapped up. The torchlight flickered, casting long shadows across the tracks. For a second, she thought she saw movement—a shift in the dark, a pair of eyes reflecting the light. Then the radio crackled again. Whitaker’s voice, sharp. "Quinn. Now." She pocketed the cloth and climbed back up, her mind racing. The compass. The token. The symbol. The footprint. Whitaker grabbed her arm as she reached the platform. "Enough. We’re calling it in, getting a team down here. This isn’t our scene." She pulled free. "It is if it’s connected to Morris." His expression softened, just for a second. "You can’t still be on that." "I am." She held up the evidence bag with the compass. "And this? This is the first lead I’ve had in three years." Whitaker exhaled sharply. "Fine. But we do this by the book. No cowboy stuff." She didn’t answer. Her gaze was fixed on the body, on the way the shadows seemed to cling to it, as if reluctant to let it go. The compass in her hand pulsed once, the needle pointing not north, not south, but straight at the corpse.
created_at"2026-09-25T15:37:39.351Z" 9/25/2026, 3:37:39 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency388
moderation_latency(null)
generation_time17321
tokens_prompt1112
tokens_completion2117
native_tokens_prompt1074
native_tokens_completion1984
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached512
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"
usage0.016491
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350659-E5U1EIvAOrnm8TKQJWMt"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350659-Ftse9KM8D9dzzSL5v4Vp"
upstream_id"88b6c6c9ad3541b9a74e62cb7439da90"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"88b6c6c9ad3541b9a74e62cb7439da90"
is_byokfalse
latency388
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.016491
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
totalTags8
adverbTagCount2
adverbTags
0"She turned back [back]"
1"she asked suddenly [suddenly]"
dialogueSentences46
tagDensity0.174
leniency0.348
rawRatio0.25
effectiveRatio0.087
89.25% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1395
totalAiIsmAdverbs3
found
0
adverb"lazily"
count1
1
adverb"suddenly"
count1
2
adverb"sharply"
count1
highlights
0"lazily"
1"suddenly"
2"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)
24.73% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1395
totalAiIsms21
found
0
word"gloom"
count1
1
word"flicker"
count1
2
word"furrowed"
count1
3
word"traced"
count2
4
word"etching"
count1
5
word"etched"
count1
6
word"standard"
count1
7
word"glint"
count1
8
word"stomach"
count1
9
word"flickered"
count2
10
word"pulsed"
count2
11
word"pulse"
count1
12
word"quickened"
count1
13
word"wavered"
count1
14
word"echoed"
count1
15
word"silence"
count1
16
word"whisper"
count1
17
word"racing"
count1
highlights
0"gloom"
1"flicker"
2"furrowed"
3"traced"
4"etching"
5"etched"
6"standard"
7"glint"
8"stomach"
9"flickered"
10"pulsed"
11"pulse"
12"quickened"
13"wavered"
14"echoed"
15"silence"
16"whisper"
17"racing"
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
narrationSentences153
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences153
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)
analyzedSentences191
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen28
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1386
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
55.57% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions36
wordCount1059
uniqueNames7
maxNameDensity1.89
worstName"Whitaker"
maxWindowNameDensity3
worstWindowName"Whitaker"
discoveredNames
Tube1
Camden1
Harlow1
Quinn11
Tom1
Whitaker20
Morris1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Tom"
4"Whitaker"
5"Morris"
places(empty)
globalScore0.556
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount0
matches(empty)
55.70% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.443
wordCount1386
matches
0"not north, not south, but straight at the corpse"
1"not south, but straight at the corpse"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences191
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs67
mean20.69
std14.2
cv0.686
sampleLengths
059
135
29
313
418
561
633
73
814
925
104
118
1210
1312
1450
156
1628
174
1823
197
2043
2149
228
2329
2445
2529
266
278
287
2916
3037
3110
3212
3321
3430
3517
3638
378
3818
396
4023
4128
427
433
4424
4527
4654
4710
487
494
93.80% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences153
matches
0"was carved"
1"was smudged"
2"was contained"
3"been drained"
4"was fixed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs175
matches
0"was holding"
8.23% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount9
semicolonCount0
flaggedSentences9
totalSentences191
ratio0.047
matches
0"The body lay sprawled near the edge, one arm outstretched as if he’d been reaching for something—or someone."
1"The victim’s clothes were odd—too fine for a dosser."
2"But something else caught her eye—a symbol, barely visible beneath layers of grime."
3"The victim’s fingers were clean—no dirt under the nails, no callouses."
4"Her torch caught something else—a glint of white near the body’s outstretched hand."
5"Then she saw it—the faintest imprint in the dust near the body’s feet."
6"Something glinted in the dark—a scrap of fabric, maybe."
7"The same symbol again—the circle, the jagged line."
8"For a second, she thought she saw movement—a shift in the dark, a pair of eyes reflecting the light."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1070
adjectiveStacks0
stackExamples(empty)
adverbCount41
adverbRatio0.038317757009345796
lyAdverbCount6
lyAdverbRatio0.005607476635514018
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences191
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences191
mean7.26
std5.04
cv0.694
sampleLengths
011
115
220
313
45
520
610
79
86
97
106
1112
1216
1312
1418
1515
168
179
185
195
206
213
222
2312
243
259
265
278
284
294
304
315
325
332
3410
358
3612
3713
387
3910
404
412
429
437
446
456
464
4712
4811
494
43.72% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.2931937172774869
totalSentences191
uniqueOpeners56
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences129
matches
0"Just the single, precise cut"
1"Just the blood from the"
2"Then she saw it."
3"Then she saw it—the faintest"
4"Too large, too…"
5"Then the radio crackled again."
ratio0.047
80.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount45
totalSentences129
matches
0"He turned as she approached,"
1"She didn’t rise to the"
2"She stepped past him, the"
3"She crouched, careful not to"
4"She reached for the man’s"
5"She glanced up at him."
6"She stepped closer, brushing away"
7"She traced the lines with"
8"She turned back to the"
9"She ignored him, crouching again."
10"She pried open his coat,"
11"She tugged it free."
12"It spun lazily, as if"
13"She stood, tucking the compass"
14"Her torch caught something else—a"
15"She knelt again, picking up"
16"It was carved with the"
17"She shook her head."
18"She thought of Morris, of"
19"She turned the token over"
ratio0.349
45.27% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount107
totalSentences129
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped over"
2"The beam of her torch"
3"The air hung thick, as"
4"DS Tom Whitaker stood by"
5"He turned as she approached,"
6"She didn’t rise to the"
7"Whitaker gestured to the platform"
8"Quinn adjusted the strap of"
9"She stepped past him, the"
10"The body lay sprawled near"
11"The blood had pooled black"
12"She crouched, careful not to"
13"The victim’s clothes were odd—too"
14"A tailored overcoat, polished shoes."
15"Quinn’s brow furrowed."
16"She reached for the man’s"
17"She glanced up at him."
18"Quinn stood, her torch flicking"
19"The station was older than"
ratio0.829
38.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences129
matches
0"As if the wound hadn’t"
ratio0.008
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences38
technicalSentenceCount1
matches
0"The body lay sprawled near the edge, one arm outstretched as if he’d been reaching for something—or someone."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences46
tagDensity0.087
leniency0.174
rawRatio0.25
effectiveRatio0.043
84.5162%