Run: 2026-03-18-01KM0AGHKVQ0PWK17PSK3T4ZWZ

Run Details

Duration:
18.6s
Cost:
$0.001160
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 rain hammered down in sheets that evening as Detective Harlow Quinn pulled the unmarked Metropolitan car to a stop beside the rusted emergency exit of an abandoned Tube station. Water pooled in the potholes between cracked pavement, reflecting the flickering sodium lights of Camden town like broken mirrors. Her headlights cut through the deluge, illuminating the peeling brick archway where a constable in a soaked high-vis jacket stood sentinel, arms wrapped tight across his chest. Quinn stepped out, boots splashing through a shallow puddle. The air smelled of wet stone and old iron, the scent of London’s underground leaching into the night. She adjusted the brim of her hat against the wind, the leather watch on her wrist catching the dim light as she rapped her knuckles on the constable’s chest. "Evening, Carter. You drew the short straw?" The young officer turned, rainwater dripping from his hat. "Could say that, ma’am. Place was locked up tight until the signal came in. Body’s inside. DS Miller brought the scene kit." Quinn nodded once, lips a thin line. Miller. Of course it was Miller. The man had a habit of stepping on cases before she could even park. She pulled a pair of latex gloves from her coat pocket, snapping them on with a crisp sound. "Show me." They descended into the tunnel, the floor slick with algae and decades of grime. The Tube station hadn’t seen a train in thirty years, but the tunnels still hummed with the ghost of something mechanical. The walls were lined with faded advertisements—long expired toothpaste, cigarette brands that no longer existed. Quinn’s torch beam swept over peeling posters, catching the glint of a symbol carved into the tile near the platform edge. Not graffiti. Deliberate. A sigil. Carter shone his light ahead. "Over here, Detective. Can’t miss it." At the end of the platform, yellow tape fluttered in the draught. Beyond it, the body lay face-up on the cracked concrete, limbs splayed. Pale. Bloated. Skin mottled with blue-grey veins. The victim wore a long coat, soaked through, pockets turned inside out. Quinn crouched beside the corpse, her sharp jaw casting a shadow across the victim’s face. Miller’s voice cut through the drizzle—too loud, too close. "Quinn. Timely as ever." She didn’t look up at his approach. "Miller. You left the bones at home?" He chuckled, but it lacked warmth. "Funny. Standard 99 call. Homeless man, probably OD’d. Found by a train worker making his rounds." Quinn reached into the victim’s coat without a word. The fabric crumbled slightly under her touch. Something shifted beneath his left armpit—a rectangular object tucked into a hidden pocket. She withdrew it carefully. A small brass compass, its face etched with sigils unfamiliar to her. A Veil Compass. The needle spun wildly, then settled, pointing east—directly into the tunnel wall. Miller’s tone turned edgy. "What the hell is that?" Quinn stood slowly, turning the compass toward the darkness. The tunnel yawned ahead, ventilation grates hissing with stale air. "Your ‘standard 99’ had a Veil Compass on him." Miller stepped closer, his boots splashing. "So? Some collector hangs around the underground. Doesn’t mean—" "It doesn’t point to hospitals. Or morgues." She tapped the sigil-etched face with a gloved finger. "It points to the nearest rift. Veil Market moves tonight. Full moon." Miller scoffed. "Oh, come on. Supernatural markets? Rifts? You sound like one of those kids from the restricted archives." Eva Kowalski stepped out of the shadows behind him, her red curls damp, round glasses fogging in the damp air. Her satchel hung heavy at her side. She held a worn umbrella, its edge dripping onto the platform. Quinn didn’t blink. Miller turned, catching sight of her. "Eva? What the *hell*—" Eva adjusted her glasses, tucking a curl behind her left ear with nervous precision. "I got a ping on a market entry token pulled near here. Bone token. They don’t just vanish. I came to see." Miller threw his hands up. "Oh, brilliant. The occult girl and the haunted compass. Quinn, this is a dead junkie in an abandoned tube. Not a portal opening." Quinn holstered the compass in an evidence bag, her voice low and measured. "I counted three different sets of footprints leading *to* the body. One pair small, one large, one set with deep gouges—like someone being dragged. All converged here. But only one set leads away." She knelt again, brushing the victim’s sleeve. Beneath the grime, a tattoo emerged—a coiled serpent swallowing its own tail, inked in faded grey. Same as the sigil on the compass. Miller’s voice wavered. "That’s gang tat. Canary Wharf crowd." Quinn ignored him, turning to Eva. "You recognize that mark?" Eva leaned in, her breath misting. "Different shape, but the ouroboros is classic Veil Market guild insignia. Those who handle artifacts know it. They mark their own." Quinn stood, wiping her hands on a tissue. "Three sets of footprints. One body. Two disappearances. And a compass tuned to rifts in an addict’s pocket." Miller rubbed his temples. "You’re saying someone lured him here? To kill him? For what? A compass?" Eva adjusted her glasses. "Not just a compass. A functional one. Those don’t end up on street corners. And look at the eyes." Quinn did. The victim’s eyes were gone—not gouged out. Dissolved. Like something had drank through them. She pulled a penlight from her coat, shone it at the tunnel wall near the body. A dark streak ran vertically, as if something had been dragged upward. Concrete shards littered the base. Not from boots. From claws. Miller’s bravado cracked. "Okay. Now you’re losing it." Quinn didn’t flinch. "Three footprints in. One body. One set of drag marks up. No exit wounds. No defensive wounds. No weapon. His pockets are empty except for this." She held up the evidence bag. She turned to Carter. "Get a forensic team down here. Full sweep. Check the walls for residue, blood, anything. And call it in as a supernatural homicide. Not 99. Homicide—with occult indicators." Miller’s face flushed. "Quinn, you can’t just—" She fixed him with a stare, brown eyes unblinking. "I *just did*. Because the math is wrong, Miller. A body with no exit wound, no weapon, eyes dissolved, a Veil Compass in his pocket, and three distinct footprints converging on this spot? That’s not a junkie. That’s a sacrifice. Or a delivery." Eva nodded. "Someone used this place like a staging ground. The Market moves tonight. Rituals go easier with a full moon." Miller threw his hands up. "You’re both nodding like this is normal! We’ve got a dead bloke and two detectives talking about demon markets." Quinn kept her voice steady. "Then why does the compass point east? Into solid wall? Why are the drag marks vertical? And why did this man have a Market token on him that’s only handed out to registered traders?" She looked up at the tunnel ceiling. Somewhere above, the rain continued to fall. Somewhere underground, the Market pulsed, hidden but alive. She stepped closer to Miller, voice dropping to a hush. "Because someone didn’t just kill this man. They sent him. Through the tile. Through the wall. Into the Veil." Miller opened his mouth. Closed it. Swallowed. Eva quietly added, "And if a trader was sacrificed, the Market just opened early. And not to buyers." Quinn zipped the evidence bag shut. "We’re looking for a killer who treats London’s old tunnels like a service corridor. And the Market is now hosting something worse than contraband." A distant rumble echoed through the tunnel—not a train. Something deeper. A resonance. Miller finally lowered his voice. "Quinn… what the hell do we do?" She adjusted her hat, rainwater rolling down the brim. "Same thing we always do, Miller. We look for what’s missing." She turned toward the dark tunnel, her torch beam cutting a path into the unknown. Behind her, Miller exchanged a glance with Eva. Neither spoke. Neither needed to. The wind howled through the vent, carrying something metallic. Or perhaps it was only the rain. But the compass in Quinn’s pocket had stopped spinning. It was pointing straight ahead. And the wall began to bleed.
created_at"2026-03-18T11:15:21.353Z" 3/18/2026, 11:15:21 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency364
moderation_latency(null)
generation_time18537
tokens_prompt1149
tokens_completion2187
native_tokens_prompt1074
native_tokens_completion1903
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached1056
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"
usage0.00116034
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"585965c5bb584f4dbc3c7cfa6005965e"
is_byokfalse
latency364
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-1773832521-lrMAFPX5xGFo4tn5bG25"
upstream_id"585965c5bb584f4dbc3c7cfa6005965e"
total_cost0.00116034
cache_discount0.00014256
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
totalTags3
adverbTagCount1
adverbTags
0"Eva quietly added [quietly]"
dialogueSentences36
tagDensity0.083
leniency0.167
rawRatio0.333
effectiveRatio0.056
89.04% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1368
totalAiIsmAdverbs3
found
0
adverb"slightly"
count1
1
adverb"carefully"
count1
2
adverb"slowly"
count1
highlights
0"slightly"
1"carefully"
2"slowly"
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)
48.83% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1368
totalAiIsms14
found
0
word"sentinel"
count1
1
word"mechanical"
count1
2
word"glint"
count1
3
word"fluttered"
count1
4
word"warmth"
count1
5
word"standard"
count2
6
word"etched"
count2
7
word"measured"
count1
8
word"wavered"
count1
9
word"pulsed"
count1
10
word"echoed"
count1
11
word"resonance"
count1
highlights
0"sentinel"
1"mechanical"
2"glint"
3"fluttered"
4"warmth"
5"standard"
6"etched"
7"measured"
8"wavered"
9"pulsed"
10"echoed"
11"resonance"
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
narrationSentences101
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences101
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)
analyzedSentences134
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen43
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans3
markdownWords4
totalWords1360
ratio0.003
matches
0"hell"
1"to"
2"just did"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount820
uniqueNames14
maxNameDensity2.07
worstName"Miller"
maxWindowNameDensity4
worstWindowName"Miller"
discoveredNames
Detective1
Harlow1
Quinn16
Metropolitan1
Tube2
Camden1
London1
Miller17
Veil1
Compass1
Kowalski1
Eva8
Carter2
Market1
persons
0"Harlow"
1"Quinn"
2"Miller"
3"Kowalski"
4"Eva"
5"Carter"
places
0"Camden"
1"London"
globalScore0.463
windowScore0.333
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences61
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1360
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences134
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs64
mean21.25
std16.76
cv0.789
sampleLengths
076
156
27
331
445
52
676
711
858
913
107
117
1222
1360
149
1519
169
1715
1828
1919
2038
213
2210
2336
2428
2513
2633
2730
289
2910
3027
3126
3217
3323
3416
3538
368
373
3832
3932
407
419
4243
4321
4424
455
4634
4722
4810
4919
94.84% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences101
matches
0"were lined"
1"were gone"
2"been dragged"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs153
matches
0"was pointing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount0
flaggedSentences7
totalSentences134
ratio0.052
matches
0"The walls were lined with faded advertisements—long expired toothpaste, cigarette brands that no longer existed."
1"Miller’s voice cut through the drizzle—too loud, too close."
2"Something shifted beneath his left armpit—a rectangular object tucked into a hidden pocket."
3"The needle spun wildly, then settled, pointing east—directly into the tunnel wall."
4"Beneath the grime, a tattoo emerged—a coiled serpent swallowing its own tail, inked in faded grey."
5"The victim’s eyes were gone—not gouged out."
6"A distant rumble echoed through the tunnel—not a train."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount831
adjectiveStacks0
stackExamples(empty)
adverbCount25
adverbRatio0.030084235860409144
lyAdverbCount9
lyAdverbRatio0.010830324909747292
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences134
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences134
mean10.15
std8.07
cv0.795
sampleLengths
030
119
227
39
418
529
67
79
822
97
101
115
1214
1318
142
1514
1621
1715
1821
192
201
212
225
236
2412
2512
261
271
285
2912
3015
319
324
337
347
356
3616
379
387
3913
404
4112
423
4312
444
455
469
4710
489
496
63.93% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.41044776119402987
totalSentences134
uniqueOpeners55
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences85
matches
0"Of course it was Miller."
1"Somewhere above, the rain continued"
2"Somewhere underground, the Market pulsed,"
ratio0.035
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount20
totalSentences85
matches
0"Her headlights cut through the"
1"She adjusted the brim of"
2"She pulled a pair of"
3"They descended into the tunnel,"
4"She didn’t look up at"
5"He chuckled, but it lacked"
6"She withdrew it carefully."
7"She tapped the sigil-etched face"
8"Her satchel hung heavy at"
9"She held a worn umbrella,"
10"She knelt again, brushing the"
11"She pulled a penlight from"
12"She held up the evidence"
13"She turned to Carter."
14"She fixed him with a"
15"She looked up at the"
16"She stepped closer to Miller,"
17"She adjusted her hat, rainwater"
18"She turned toward the dark"
19"It was pointing straight ahead."
ratio0.235
42.35% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount71
totalSentences85
matches
0"The rain hammered down in"
1"Water pooled in the potholes"
2"Her headlights cut through the"
3"Quinn stepped out, boots splashing"
4"The air smelled of wet"
5"She adjusted the brim of"
6"The young officer turned, rainwater"
7"Quinn nodded once, lips a"
8"The man had a habit"
9"She pulled a pair of"
10"They descended into the tunnel,"
11"The Tube station hadn’t seen"
12"The walls were lined with"
13"Quinn’s torch beam swept over"
14"Carter shone his light ahead."
15"Skin mottled with blue-grey veins."
16"The victim wore a long"
17"Quinn crouched beside the corpse,"
18"Miller’s voice cut through the"
19"She didn’t look up at"
ratio0.835
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences85
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences30
technicalSentenceCount0
matches(empty)
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"Eva quietly added (add)"
dialogueSentences36
tagDensity0.028
leniency0.056
rawRatio1
effectiveRatio0.056
85.7441%