Run: 2026-10-07-01M4AVMGVAMCZTBXGF1M2ACXVH

Run Details

Duration:
3m 49s
Cost:
$0.022662
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
Detective Harlow Quinn descended the rusted iron staircase into Camden's sealed arteries. Her boots struck the final step with a metallic clang that rang through the abandoned Tube station. She checked the worn leather watch on her left wrist—2:47 AM—and adjusted her grip on her torch. The beam carved yellow wedges through the dark, illuminating vintage tiling that had crumbled into jagged mosaics decades ago. Water dripped somewhere in the distance, each drop ringing like a bell. The Veil Market occupied the old Northern Line platforms. Stalls lined the curved walls, draped in velvet and shadow, selling enchanted trinkets and alchemical serums that pulsed with light in glass vials. The air tasted of copper and ozone, thick with the scent of burning sage and something organic, something wrong. Quinn had entered with a bone token clutched in her palm, the carved ivory warming against her skin as she passed the threshold where the mundane world ended. She moved with military precision past the sleeping vendors, her service weapon holstered at her hip. Eighteen years on the force had taught her to read a room before she entered it. Tonight, the intelligence had led her to Platform 3, where a body waited. The corpse lay sprawled across the centre of the platform, surrounded by overturned crates of bone china and crushed mandrake roots. A male vendor, middle-aged, throat cut ear to ear. His tailored waistcoat was expensive, bespoke, now dark with blood. A silver pocket watch remained chained to his lapel, its face cracked, the hands frozen at 2:13. Blood pooled beneath him in a dark mirror, reflecting the single hanging bulb that swayed in the draft from the tunnel. "Quinn." Eva Kowalski emerged from behind a stall selling dried lavender and rowan berries. The shorter woman adjusted her round glasses. Her fingers shook as she tucked a curl of red hair behind her left ear. She clutched her worn leather satchel against her chest. Her freckled complexion looked pale in the torchlight. "Good." Quinn knelt beside the corpse. She noted the victim's hands, limp at his sides, fingers curled. No defensive wounds. No signs of struggle. The surrounding stalls showed no disturbance, no knocked-over merchandise except the crates beside the body, arranged in a neat semicircle. Too neat. "Ritual killing." Eva's voice tightened, echoing off the tiled walls. She shifted her satchel to her other shoulder. "Look at the positioning. Arms spread, palms up, facing east toward the rising moon. The throat cut is clean, surgical. This is a sacrifice, Detective. Someone tried to open a rift right here." Quinn stood. Her closely cropped salt-and-pepper hair caught the dim light. She scanned the platform, her brown eyes missing nothing. The Veil Market moved locations every full moon, but tonight it sat beneath Camden as always, a market for the forbidden. She noticed a brass compass resting on an upturned crate three feet from the body's outstretched hand. The casing bore a patina of verdigris, the face etched with protective sigils that seemed to writhe in the torchlight. The needle spun in a blur, then locked with a decisive click, pointing not at the corpse, but toward the far end of the platform where the tracks disappeared into utter blackness. "He wasn't killed here." Eva blinked behind her glasses. "What?" "The blood is wrong." Quinn pointed with a gloved finger. "It's too uniform. Too contained. If his throat was cut while standing, arterial spray would have hit the crates behind him, the wall, his own clothes. This pool is theatrical. Staged." She stepped closer to the compass. "And this. The Veil Compass points to the nearest supernatural rift or portal. It's pointing away from the body." Eva pushed her glasses up her nose. Her green eyes reflected the torch beam. "The killer moved him after the ritual. The rift opened and collapsed." "Compasses don't malfunction." Quinn lifted the brass instrument. It felt cold, heavier than it should. "If a rift opened here, the needle would point at the epicentre. The body. It doesn't. It points thirty yards east, into the flooded tunnel." She walked toward the tracks, her bearing precise, each step deliberate. Eva followed, her satchel bumping against her hip. Quinn shone her torch into the darkness. The rails gleamed, disappearing into black water that lapped at the sleepers, stagnant and oily. No rift. No glow. No supernatural energy. Just water and brick and the smell of rust. "We need to check for ritual residue." Eva's voice rose. "Sigils, salt circles, anything. If this is a sacrifice, there might be evidence of a working. I can examine the site, document everything. I have my research notes." "Check the victim's shoes." Eva crouched beside the body. Her red curls fell forward. She gasped. "They're clean. Spotless. No blood, no dust from the platform, no mud from the tunnels." "He was killed elsewhere and dumped here." Quinn looked back at the stalls, at the sleeping vendors who stirred in their curtained booths, unaware of the death in their midst. "Someone wanted us to think it was a supernatural sacrifice. They positioned the body, arranged the crates in that semicircle, but they forgot the shoes. And they forgot the compass." Eva stood. Her fingers went to her hair, tucking it behind her ear again. "You think it's staged? To look like a rift killing?" "I think someone in this Market is cleaning up loose ends." Quinn turned back to the body. Her sharp jaw set with the certainty that had carried her through eighteen years of decorated service, through the case that had taken DS Morris three years ago, the case she still didn't understand, the case that had taught her that some crimes left no physical evidence, only shadows. "The pocket watch stopped at 2:13. The blood dried by 2:30. That's seventeen minutes to kill him somewhere else, clean his shoes, drag him through the tunnels, and stage this scene. Impossible for one person." "Unless they had help. Unless it's the clique." Eva's voice dropped. "The ones you've been investigating. They use rituals as cover for their crimes." "Or unless the killer is still here." Quinn's hand moved to her watch. She checked the time again, 2:52 AM. She set the compass down on the crate, watching the needle settle, pointed true toward the dark water where the tracks vanished into the flooded tunnel. "The compass isn't pointing to a rift. It's pointing to a person. Someone with enough supernatural signature to register on the needle." Eva's breath fogged in the cold air. "You think the killer is down there? In the tunnels?" "I think the evidence doesn't add up because it's been arranged by someone who knows how we investigate supernatural scenes." Quinn knelt once more, examining the victim's collar. Her fingers brushed the wool. She found a single black hair, coarse and thick, caught in the fabric. Not the victim's. Not Eva's. "And I think whoever did this underestimated my scrutiny. They staged the ritual, but they left the compass. They left the shoes. They left this." She held up the hair between two fingers, the torchlight catching it. Eva stared at the evidence. "That's not human." "No." Quinn stood. Her height of five-nine put her eye-level with the hanging bulbs. "It isn't. And neither is the killer."
created_at"2026-10-07T09:38:10.929Z" 10/7/2026, 9:38:10 AM
model"mistralai/mistral-large-4-0-20261006"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency715
moderation_latency(null)
generation_time228877
tokens_prompt1112
tokens_completion11121
native_tokens_prompt1042
native_tokens_completion10504
native_tokens_completion_images(null)
native_tokens_reasoning9270
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"
usage0.02266192
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791365890-PsLJJxdMXr1V6ijkvebt"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791365890-wpJGWITk4i2jTtsAHgxr"
upstream_id"2a256b1baf664ae2a8a1431833f60133"
provider_responses
0
endpoint_id"19b3b5d7-23f6-4b63-8109-64a6cc37d996"
id"2a256b1baf664ae2a8a1431833f60133"
is_byokfalse
latency704
model_permaslug"mistralai/mistral-large-4-0-20261006"
provider_name"Mistral"
status200
total_cost0.02266192
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
70.97% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags13
adverbTagCount2
adverbTags
0"Quinn turned back [back]"
1"Quinn knelt once [once]"
dialogueSentences31
tagDensity0.419
leniency0.839
rawRatio0.154
effectiveRatio0.129
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1220
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
79.51% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1220
totalAiIsms5
found
0
word"velvet"
count1
1
word"pulsed"
count1
2
word"echoing"
count1
3
word"scanned"
count1
4
word"etched"
count1
highlights
0"velvet"
1"pulsed"
2"echoing"
3"scanned"
4"etched"
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
narrationSentences75
matches(empty)
66.67% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount1
narrationSentences75
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)
analyzedSentences92
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen49
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1218
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount819
uniqueNames12
maxNameDensity1.47
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Eva"
discoveredNames
Harlow1
Quinn12
Camden2
Tube1
Veil2
Market2
Northern1
Line1
Platform1
Kowalski1
Eva12
Morris1
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Market"
4"Kowalski"
5"Eva"
6"Morris"
places(empty)
globalScore0.767
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences54
glossingSentenceCount1
matches
0"sigils that seemed to writhe in the torchlight"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.821
wordCount1218
matches
0"not at the corpse, but toward the far end of the platform"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences92
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs32
mean38.06
std33.24
cv0.873
sampleLengths
077
179
245
378
453
546
651
7110
84
95
101
1166
1214
1312
1497
1538
164
1712
1815
1960
2014
2110
22101
2324
2468
257
2610
2776
2812
295
303
3121
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences75
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs134
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences1
totalSentences92
ratio0.011
matches
0"She checked the worn leather watch on her left wrist—2:47 AM—and adjusted her grip on her torch."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount827
adjectiveStacks0
stackExamples(empty)
adverbCount15
adverbRatio0.018137847642079808
lyAdverbCount3
lyAdverbRatio0.0036275695284159614
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences92
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences92
mean13.24
std9.64
cv0.728
sampleLengths
012
117
217
319
412
59
623
719
828
916
1016
1113
1221
139
1410
1517
1621
1714
187
1915
209
218
226
2311
243
254
2620
272
2810
298
3033
312
329
339
3421
3517
3620
3732
384
395
401
4110
4237
4319
447
457
4612
478
487
4936
58.70% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.391304347826087
totalSentences92
uniqueOpeners36
49.75% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences67
matches
0"Just water and brick and"
ratio0.015
70.75% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount25
totalSentences67
matches
0"Her boots struck the final"
1"She checked the worn leather"
2"She moved with military precision"
3"His tailored waistcoat was expensive,"
4"Her fingers shook as she"
5"She clutched her worn leather"
6"Her freckled complexion looked pale"
7"She noted the victim's hands,"
8"She shifted her satchel to"
9"Her closely cropped salt-and-pepper hair"
10"She scanned the platform, her"
11"She noticed a brass compass"
12"She stepped closer to the"
13"Her green eyes reflected the"
14"It felt cold, heavier than"
15"She walked toward the tracks,"
16"Her red curls fell forward."
17"Her fingers went to her"
18"Her sharp jaw set with"
19"She checked the time again,"
ratio0.373
4.78% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount61
totalSentences67
matches
0"Detective Harlow Quinn descended the"
1"Her boots struck the final"
2"She checked the worn leather"
3"The beam carved yellow wedges"
4"Water dripped somewhere in the"
5"The Veil Market occupied the"
6"Stalls lined the curved walls,"
7"The air tasted of copper"
8"Quinn had entered with a"
9"She moved with military precision"
10"Tonight, the intelligence had led"
11"The corpse lay sprawled across"
12"A male vendor, middle-aged, throat"
13"His tailored waistcoat was expensive,"
14"A silver pocket watch remained"
15"Blood pooled beneath him in"
16"Eva Kowalski emerged from behind"
17"The shorter woman adjusted her"
18"Her fingers shook as she"
19"She clutched her worn leather"
ratio0.91
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences67
matches(empty)
ratio0
27.65% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences31
technicalSentenceCount5
matches
0"Her boots struck the final step with a metallic clang that rang through the abandoned Tube station."
1"Blood pooled beneath him in a dark mirror, reflecting the single hanging bulb that swayed in the draft from the tunnel."
2"The casing bore a patina of verdigris, the face etched with protective sigils that seemed to writhe in the torchlight."
3"The rails gleamed, disappearing into black water that lapped at the sleepers, stagnant and oily."
4"Her sharp jaw set with the certainty that had carried her through eighteen years of decorated service, through the case that had taken DS Morris three years ago…"
86.54% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags13
uselessAdditionCount1
matches
0"She walked, her bearing precise, each step deliberate"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
82.1767%