Run: 2026-10-07-01M4ATN4TS7QSBPMJ7YY14W7A7

Run Details

Duration:
17.6s
Cost:
$0.012974
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 old pennies. Detective Harlow Quinn stepped over a rusted rail, her boots scuffing against the grime-caked platform. The beam of her torch cut through the gloom, illuminating peeling posters and the occasional scuttle of rats. The air hung thick, as if the place itself was holding its breath. A body lay sprawled near the edge, half in shadow. The uniformed officer at the scene, a fresh-faced constable with a nervous twitch, shifted his weight. "Ma'am, it's... well, you'll see." Quinn crouched, the leather of her watch creaking as she adjusted her grip on the torch. The victim—a man in a tailored overcoat—had no visible wounds. No blood. No signs of struggle. Just his face, frozen in an expression that sat wrong. Too slack. Too empty. His eyes were open, but they didn’t reflect the torchlight. "Time of death?" she asked. "Rigor’s barely set in. Maybe two, three hours ago." She reached for his wrist, not to check for a pulse—she knew better—but to examine his hand. The skin was smooth, unmarked. No defensive wounds. No needle tracks. Then she saw it: a faint, chalky residue on his fingertips. Not dust. Not ash. Something else. "Bag his hands," she ordered. "And get me a full tox screen. Not just the usual." The constable hesitated. "Ma'am, the pathologist said—" "I don’t care what the pathologist said. Do it." A voice cut through the tunnel’s echo. "Still barking orders like you own the place, Quinn." She didn’t turn. Didn’t need to. The sharp click of polished shoes on concrete was enough. Detective Inspector Richard Langley, her superior in rank if not in instinct, stopped just shy of the body. His suit was immaculate, his tie knotted with the precision of a man who’d never once considered rolling up his sleeves. "Cause of death?" he asked, though his tone suggested he already had an answer. "Unknown. But it’s not natural." Langley exhaled through his nose, a sound that might’ve been a laugh if it weren’t so devoid of humour. "You say that about every case where the bloke didn’t get stabbed in a pub brawl." She ignored him, her torch flickering over the platform’s edge. The tracks below were rusted, unused for decades, but something glinted in the beam. A small, brass object. She reached down, her fingers brushing against cold metal. A compass. Not like any she’d seen. The casing bore a patina of verdigris, the face etched with symbols that made her skin prickle. The needle didn’t point north. It twitched, restless, as if searching for something just out of reach. Langley’s shadow fell over her. "What’ve you got?" She turned it over in her palm. The weight was wrong—too light, too *alive*. "You ever hear of the Veil Market?" His expression didn’t change, but his fingers tightened around his notepad. "Superstitious nonsense. Black market for occult rubbish. You think this is connected?" "I think this man was holding this when he died." She stood, the compass still humming in her grip. "And I think whatever killed him isn’t something we’re going to find in a lab report." Langley’s jaw worked. "Quinn, we’ve got a dead body in an abandoned Tube station. No signs of foul play. No witnesses. The simplest explanation is usually the right one—heart attack, aneurysm, maybe an overdose of something exotic." "Then explain the residue on his hands." She held up the compass. "Explain *this*." He didn’t reach for it. Didn’t even look at it. "You’re seeing ghosts again. Like with Morris." The name hit like a punch to the sternum. She pocketed the compass, her voice low. "Morris didn’t die because of ghosts. He died because we missed something. And I won’t do that again." Langley’s radio crackled. A voice, tinny and distant: "Sir, we’ve got another one. Same station, different tunnel. Female, mid-thirties. Same... look." Quinn was already moving, her torch carving a path through the dark. Langley cursed under his breath but followed. The second body was propped against the wall, her coat still buttoned, her bag—an expensive leather satchel—resting beside her as if she’d simply sat down for a moment. Quinn knelt, her knees protesting. The woman’s face was the same. Empty. Not peaceful. *Absent*. She opened the satchel. Inside, a stack of books, their spines cracked with age. One slipped free, landing in the dirt. *Occult Symbols of the Pre-Modern Era*. The pages were filled with sketches of sigils, some circled in red. One matched the markings on the compass. Langley crouched beside her, his voice grudging. "You’re not going to let this go, are you?" "No." He sighed. "Fine. But if this turns out to be a bad batch of designer drugs, I’m throwing you under the bus." She didn’t answer. Her fingers traced the sigil in the book, then the one on the compass. They were identical. The needle twitched again, now pointing toward the woman’s body. Then it swung sharply, toward the far end of the tunnel. Quinn stood, her pulse steady despite the chill creeping up her spine. "There’s more." Langley groaned. "Or it’s a bloody compass pointing at nothing." She didn’t wait for him. The beam of her torch led the way, the compass a cold weight in her other hand. The tunnel sloped downward, the air growing thicker, the walls slick with moisture that wasn’t water. The needle pulled her forward, insistent. Then she saw it. A token, half-buried in the grime. Bone. Carved with the same sigil. Langley’s breath hitched. "What the hell is that?" Quinn picked it up. The moment her fingers closed around it, the compass needle spun wildly, then settled, pointing straight ahead. To a door. Not a service entrance. Not a maintenance hatch. A door, solid oak, banded in iron, standing where no door should’ve been in a Tube station. Langley’s radio buzzed again. "Sir, we’ve got a problem. The first body—his pockets are full of these." A pause. Then, quieter: "And, uh, his eyes are moving." Quinn’s grip tightened on the bone token. The door’s iron bands were etched with more sigils, these ones pulsing faintly, as if lit from within. Langley’s voice was tight. "Quinn. We need to go. Now." She didn’t move. The compass needle was steady. The token warm in her palm. And then the door creaked open, just an inch.
created_at"2026-10-07T09:21:03.192Z" 10/7/2026, 9:21:03 AM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency574
moderation_latency(null)
generation_time17211
tokens_prompt1112
tokens_completion1632
native_tokens_prompt1074
native_tokens_completion1515
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"
usage0.0129735
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request_id"req-1791364863-1lizqguFtUyqj5sxcqIc"
session_id(null)
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api_type"completions"
id"gen-1791364863-2ArbQt7lUfqGhMBbvnQh"
upstream_id"024f333371f54cb2b1a88ecdce785f91"
provider_responses
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is_byokfalse
latency574
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
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provider_name"Mistral"
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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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences31
tagDensity0.161
leniency0.323
rawRatio0
effectiveRatio0
95.34% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1072
totalAiIsmAdverbs1
found
0
adverb"sharply"
count1
highlights
0"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)
48.69% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1072
totalAiIsms11
found
0
word"gloom"
count1
1
word"weight"
count3
2
word"pulse"
count2
3
word"echo"
count1
4
word"etched"
count2
5
word"traced"
count1
6
word"chill"
count1
highlights
0"gloom"
1"weight"
2"pulse"
3"echo"
4"etched"
5"traced"
6"chill"
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
narrationSentences103
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences103
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences126
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen35
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans4
markdownWords9
totalWords1063
ratio0.008
matches
0"alive"
1"this"
2"Absent"
3"Occult Symbols of the Pre-Modern Era"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
80.11% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions26
wordCount787
uniqueNames9
maxNameDensity1.4
worstName"Langley"
maxWindowNameDensity2.5
worstWindowName"Langley"
discoveredNames
Tube2
Camden1
Harlow1
Quinn7
Inspector1
Richard1
Langley11
Symbols1
Pre-Modern1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Inspector"
4"Richard"
5"Langley"
places
0"Tube"
globalScore0.801
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences53
glossingSentenceCount1
matches
0"as if searching for something just out of reach"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1063
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences126
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs43
mean24.72
std17.38
cv0.703
sampleLengths
058
131
256
35
49
545
616
77
89
916
1055
1114
125
1335
1478
158
1621
1723
1835
1937
2014
2117
2234
2321
2419
2543
2646
2716
281
2922
3030
3111
3214
3310
3444
3516
368
3749
3827
3925
4010
4114
429
91.64% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences103
matches
0"were rusted"
1"was propped"
2"were filled"
3"were etched"
95.83% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs128
matches
0"was holding"
1"was already moving"
52.15% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount0
flaggedSentences4
totalSentences126
ratio0.032
matches
0"The victim—a man in a tailored overcoat—had no visible wounds."
1"She reached for his wrist, not to check for a pulse—she knew better—but to examine his hand."
2"The weight was wrong—too light, too *alive*."
3"The second body was propped against the wall, her coat still buttoned, her bag—an expensive leather satchel—resting beside her as if she’d simply sat down for a moment."
98.82% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount798
adjectiveStacks0
stackExamples(empty)
adverbCount33
adverbRatio0.041353383458646614
lyAdverbCount4
lyAdverbRatio0.005012531328320802
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences126
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences126
mean8.44
std6
cv0.711
sampleLengths
012
115
218
313
410
516
65
716
810
92
104
1110
122
132
1410
155
169
1717
185
193
203
2111
222
232
242
255
2611
273
284
299
307
319
323
333
3410
3518
3621
3714
385
3919
4016
4110
4214
434
449
452
465
4717
485
4912
50.26% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3492063492063492
totalSentences126
uniqueOpeners44
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences86
matches
0"Just his face, frozen in"
1"Then she saw it: a"
2"Then it swung sharply, toward"
3"Then she saw it."
ratio0.047
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount20
totalSentences86
matches
0"His eyes were open, but"
1"She reached for his wrist,"
2"She didn’t turn."
3"His suit was immaculate, his"
4"he asked, though his tone"
5"She ignored him, her torch"
6"She reached down, her fingers"
7"It twitched, restless, as if"
8"She turned it over in"
9"His expression didn’t change, but"
10"She stood, the compass still"
11"She held up the compass"
12"He didn’t reach for it."
13"She pocketed the compass, her"
14"She opened the satchel."
15"She didn’t answer."
16"Her fingers traced the sigil"
17"They were identical."
18"She didn’t wait for him."
19"She didn’t move."
ratio0.233
64.65% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount68
totalSentences86
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"A body lay sprawled near"
5"The uniformed officer at the"
6"Quinn crouched, the leather of"
7"The victim—a man in a"
8"His eyes were open, but"
9"She reached for his wrist,"
10"The skin was smooth, unmarked."
11"The constable hesitated."
12"A voice cut through the"
13"She didn’t turn."
14"The sharp click of polished"
15"Detective Inspector Richard Langley, her"
16"His suit was immaculate, his"
17"he asked, though his tone"
18"Langley exhaled through his nose,"
19"She ignored him, her torch"
ratio0.791
58.14% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences86
matches
0"To a door."
ratio0.012
79.83% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences34
technicalSentenceCount3
matches
0"His suit was immaculate, his tie knotted with the precision of a man who’d never once considered rolling up his sleeves."
1"It twitched, restless, as if searching for something just out of reach."
2"The second body was propped against the wall, her coat still buttoned, her bag—an expensive leather satchel—resting beside her as if she’d simply sat down for a…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount2
matches
0"he asked, though his tone suggested he already had an answer"
1"She stood, the compass still humming in her grip"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount1
fancyTags
0"she ordered (order)"
dialogueSentences31
tagDensity0.097
leniency0.194
rawRatio0.333
effectiveRatio0.065
87.1824%