Run: 2026-03-18-01KM07Y8YTK54YD8N9ES5NPF0Z

Run Details

Duration:
12.3s
Cost:
$0.000960
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 old Tube tunnel yawned beneath Camden like a mouth full of broken teeth. Quinn picked her way down the wet steps, her leather watch glinting under the portable arcs strung between rusted girders. The air smelled of damp concrete and something older—incense layered over rotting grease. Somewhere water dripped, slow and deliberate, as if counting the seconds. A constable shivered near the archway. He wasn’t supposed to be here. Not officially. Not yet. The body wasn’t supposed to exist on police records at all, and that alone made Quinn’s jaw tighten. She paused at the bottom, boots pressing into slick grit. A blood trail cut across the platform like a broken string, not splattered, not pooled—smeared at ankle height, as if the victim had been dragged before collapsing. Eva stood at the far end, her red curls haloed in the flickering light from a rusted lantern. She looked up when Quinn’s torch beam cut the dark. "You’re late." "Not on purpose." Eva adjusted her round glasses. "They’ll say you’re chasing ghosts." Quinn stepped over a loose rail tie. "Who’s they?" "The ones who signed the official report. Collapsed pipe. Drunken accident. No body, no crime, no investigation." A shadow shifted against the wall—someone had marked symbols in charcoal. Not graffiti. Ritual geometry. Quinn crouched, fingers hovering above a pentacle bisected by a sigil she didn’t recognize. Too precise to be vandalism. She exhaled through her nose. "You touch this?" Eva shook her head, satchel bumping her hip. "Came when I heard about the blood. Thought you might need backup." Quinn’s finger traced the edge of a rune. Not copper. Not silver. Something colder. "Backup implies permission. This whole place is supposed to be sealed." "Which is why they won’t send anyone else." A long silence. The dripping water pulsed between them like a second heartbeat. Quinn stood, wiping her hands down her trousers. "Who found it?" "The night watchman at the Nightingale Jazz Club. Said a runner tripped over a leg sticking out from under the platform benches. Club’s closed tomorrow—a private booking by someone calling themselves the Aurora Coterie. Ring any bells?" Quinn didn’t answer. She walked past Eva, her torch weaving through the dark. The blood trail vanished near a rusted service hatch, but the smear continued through a gap feet above ground level. She stopped. Lifted her gaze. "Hatch is intact. Isn’t it?" Eva followed her stare. "Looks sealed." Quinn holstered her torch, pulled out the Veil Compass. The brass casing was warm against her palm, verdigris flaking onto her skin. The needle trembled, then spun wildly before settling toward the north tunnel. Not toward the station entrance. Not toward Camden Town. Into the tunnel. She pocketed the compass. "You brought the satchel." Eva tapped it. "Still got the old bolt cutters in the side pouch." Quinn nodded once. "Then unbolt it." Eva didn’t hesitate. She knelt, tugged the worn leather flap aside, and pulled out the cutters. The blade looked dull, but Quinn had seen her use it on titanium locks in under twenty seconds before. The metal shrieked as the hasp gave way. A puff of stale air rushed out—thick with the scent of iron and something like thyme. Eva stood, wiping grease on her sleeve. "Inside?" Quinn took the lead, torch cutting through the tunnel’s throat. The walls weren’t graffiti-covered brick. They were welded plates, layered with newer corrosion. A service corridor, not part of the original Tube estate. Forty feet in, the space widened. A chamber, maybe thirty feet across, lit by flickering blue spheres suspended in midair. They pulsed, weak but alive, like lungs breathing. In the center, a figure hung suspended by silver chains from a corroded ceiling pipe. A woman, mid-twenties, skin like porcelain, dark hair clinging to her throat. Eyes open. Lips parted as if frozen begging. Her dress was velvet black, embroidered with silver thread that glimmered like starlight. A single copper coin had been stitched into her palm. Quinn stepped closer, torchlight tracing the chains. They weren’t just silver. Engraved with runes. Activated spellwork. Eva’s voice cut low. "Quinn, don’t touch." "I wasn’t planning to." Quinn circled the body. No ligature marks on the neck. No bruising on wrists. No defensive wounds. She crouched, avoiding contact, staring at the soles of the woman’s boots. Soot stained the leather, but not from fire. From something else. She stood slowly. Eva’s freckles stood out in the cold light. "You’re thinking it’s not homicide." "It’s not. Not in the way we’re told to think." Quinn pulled out a pair of latex gloves, snapped them on. She reached into the dead woman’s satchel—leather, vintage, no brand label. Inside, a stack of papers. Aged parchment, edges gilded. She leafed through them. Diagrams of constellations she didn’t recognize. Latin incantations. A list of names. One jumped out: Morris. She stilled. DS James Morris. Her partner. Last seen on a missing persons report dated three years ago. No body. No cause. Cold case closed as suicide. Eva saw her face. "What?" Quinn didn’t answer. She turned the page. At the bottom, written in Morris’ slanting hand: "They’re calling it the Veil Market now. And it’s not just a rumor. It’s real." Footsteps echoed behind them. Not from the tunnel. From above. Quinn turned off her torch. Eva’s breath hitched. The blue spheres dimmed. Shadows stretched. A voice, smooth as oil, echoed from the tunnel entrance: "Detective Quinn. We’ve been expecting you." The torchlight died completely. And the dark swallowed them whole.
created_at"2026-03-18T10:30:25.511Z" 3/18/2026, 10:30:25 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency403
moderation_latency(null)
generation_time12208
tokens_prompt1149
tokens_completion1521
native_tokens_prompt1074
native_tokens_completion1332
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"
usage0.0009603
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"075afef3e50b4232b4eb1396c5f04399"
is_byokfalse
latency402
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-1773829825-czrILWmk22jGl6ASHjox"
upstream_id"075afef3e50b4232b4eb1396c5f04399"
total_cost0.0009603
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences24
tagDensity0.083
leniency0.167
rawRatio0
effectiveRatio0
89.17% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount923
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"completely"
count1
highlights
0"slowly"
1"completely"
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)
34.99% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount923
totalAiIsms12
found
0
word"glinting"
count1
1
word"traced"
count1
2
word"silence"
count1
3
word"pulsed"
count2
4
word"trembled"
count1
5
word"porcelain"
count1
6
word"velvet"
count1
7
word"tracing"
count1
8
word"footsteps"
count1
9
word"echoed"
count2
highlights
0"glinting"
1"traced"
2"silence"
3"pulsed"
4"trembled"
5"porcelain"
6"velvet"
7"tracing"
8"footsteps"
9"echoed"
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
narrationSentences107
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences107
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences129
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords918
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions42
wordCount756
uniqueNames11
maxNameDensity2.25
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Tube2
Camden2
Quinn17
Eva12
Veil2
Compass1
Town1
Morris2
James1
Market1
Footsteps1
persons
0"Quinn"
1"Eva"
2"Morris"
3"James"
4"Footsteps"
places
0"Camden"
1"Town"
globalScore0.376
windowScore0.333
51.96% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences51
glossingSentenceCount2
matches
0"as if counting the seconds"
1"something like thyme"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount918
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences129
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs52
mean17.65
std12.97
cv0.735
sampleLengths
058
134
237
328
42
53
610
79
817
934
108
1120
1225
138
1413
1511
1637
1733
1810
196
2034
219
223
238
2413
256
2635
2724
288
2933
3028
3135
3223
3316
347
354
3640
373
3813
3910
4031
4116
424
4327
445
4530
4610
475
489
4916
95.43% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences107
matches
0"been dragged"
1"were welded"
2"been stitched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs141
matches(empty)
32.12% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences5
totalSentences129
ratio0.039
matches
0"The air smelled of damp concrete and something older—incense layered over rotting grease."
1"A blood trail cut across the platform like a broken string, not splattered, not pooled—smeared at ankle height, as if the victim had been dragged before collapsing."
2"A shadow shifted against the wall—someone had marked symbols in charcoal."
3"A puff of stale air rushed out—thick with the scent of iron and something like thyme."
4"She reached into the dead woman’s satchel—leather, vintage, no brand label."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount722
adjectiveStacks0
stackExamples(empty)
adverbCount12
adverbRatio0.01662049861495845
lyAdverbCount3
lyAdverbRatio0.004155124653739612
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences129
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences129
mean7.12
std5.76
cv0.81
sampleLengths
014
120
213
311
46
56
62
72
818
910
1027
1118
1210
132
143
155
165
177
182
1917
2011
212
222
2314
245
255
263
278
2812
298
302
312
322
3311
348
353
3610
378
383
3937
403
4110
4220
432
443
455
464
472
489
4913
55.81% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.37209302325581395
totalSentences129
uniqueOpeners48
74.07% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences90
matches
0"Somewhere water dripped, slow and"
1"Too precise to be vandalism."
ratio0.022
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount16
totalSentences90
matches
0"He wasn’t supposed to be"
1"She paused at the bottom,"
2"She looked up when Quinn’s"
3"She exhaled through her nose."
4"She walked past Eva, her"
5"She pocketed the compass."
6"She knelt, tugged the worn"
7"They were welded plates, layered"
8"They pulsed, weak but alive,"
9"Her dress was velvet black,"
10"They weren’t just silver."
11"She crouched, avoiding contact, staring"
12"She stood slowly."
13"She reached into the dead"
14"She leafed through them."
15"She turned the page."
ratio0.178
76.67% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount69
totalSentences90
matches
0"The old Tube tunnel yawned"
1"Quinn picked her way down"
2"The air smelled of damp"
3"A constable shivered near the"
4"He wasn’t supposed to be"
5"The body wasn’t supposed to"
6"She paused at the bottom,"
7"A blood trail cut across"
8"Eva stood at the far"
9"She looked up when Quinn’s"
10"Eva adjusted her round glasses."
11"Quinn stepped over a loose"
12"A shadow shifted against the"
13"Quinn crouched, fingers hovering above"
14"She exhaled through her nose."
15"Eva shook her head, satchel"
16"Quinn’s finger traced the edge"
17"A long silence."
18"The dripping water pulsed between"
19"Quinn stood, wiping her hands"
ratio0.767
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences90
matches(empty)
ratio0
71.43% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences30
technicalSentenceCount3
matches
0"Somewhere water dripped, slow and deliberate, as if counting the seconds."
1"A blood trail cut across the platform like a broken string, not splattered, not pooled—smeared at ankle height, as if the victim had been dragged before collaps…"
2"Her dress was velvet black, embroidered with silver thread that glimmered like starlight."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
83.8326%