Run: 2026-10-07-01M4ASQGX7TVHYNPVPR2KXACRE

Run Details

Duration:
5m 52s
Cost:
$0.031743
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 stairs into the abandoned Camden Town station. Her boots struck sparks against the metal treads. The air down here tasted of wet limestone and ozone, a metallic tang coating her tongue. Above, the city hummed with traffic and sirens, but the silence here pressed against her eardrums like a physical weight, dense and suffocating. She checked the leather watch on her left wrist. 23:47. Three hours since the call from the station's caretaker, a nervous man who had stumbled upon the body during his rounds and fled without disturbing the scene. Eva Kowalski stood beside a vendor's stall, her worn leather satchel spilled across the tiled floor. Books tumbled out—ancient grimoires bound in cracked leather, their pages swollen with moisture from the damp air. Eva wore her round glasses pushed up against her forehead, revealing green eyes that reflected the bioluminescent fungi clinging to the arched ceiling like pale lichen. She tucked a curl of red hair behind her left ear, a nervous habit pulling at the freckles across her nose. "Quinn." Eva's voice cracked against the stone. "Look at the blood." Quinn approached the body. Her salt-and-pepper hair, cropped short against her scalp, fell across her brow as she crouched. She noted the sharp line of her jaw, the set of her shoulders, the military precision she carried through the dark. A male vendor lay against the far wall, his throat opened in a jagged line bisecting his Adam's apple. His hands were clasped over his chest, fingers interlaced with the desperate tightness of rigor mortis. No blood pooled beneath him. None on his shirt front, despite the gaping wound. The crimson had soaked into the fabric of his waistcoat, dark and congealed, but the Victorian tiles around his boots remained spotless, pink-tinged by the sickly glow of the fungi overhead. Eva adjusted her glasses, sliding them back down her nose with a trembling finger. Her satchel lay open, pages fluttering without wind. "The heart pumped. Arterial spray. At this angle, this distance, it should have painted the wall. The floor. His own face." Quinn shook her head. "But it didn't." Eva pulled a book from her satchel, flipping pages with ink-stained fingers. The paper smelled of mildew and old secrets. "Ritual sacrifice. The throat cut matches the rites of the Black Hand coven. They use the Veil Market as a hunting ground, Quinn. I've read the archives. The British Museum holds seventeen cases of similar killings, all connected to this place." Quinn stood. Her boots scraped the tile, a sharp sound in the silence. She walked the perimeter, her gaze sweeping the abandoned platform. The Veil Market occupied this space, an underground bazaar selling enchanted goods and banned alchemical substances, shifting its location with each full moon. The stalls lined the old northbound platform for the current evening, canvas awnings flapping in a wind that should not exist in a sealed tube station. The tracks were visible, rusted rails disappearing into a bricked-up tunnel defying the 1920s blueprints she had studied at the Met. She retrieved a small brass compass from her pocket. The casing bore a patina of verdigris, the face etched with protective sigils catching the fungal light. The needle spun, not pointing north, but jerking toward the victim's outstretched right hand with frantic, erratic movements. Eva stepped closer, her shadow stretching long across the tiles and merging with Quinn's. "The compass. It's agitated. Pointing at his palm." Quinn crouched, ignoring the damp seeping through her trousers. She opened the dead man's fingers. A bone token rested in the stiffened flesh, white and carved with spiraling patterns. The entry requirement for the Market. She lifted it, feeling its weight, the smooth polish of ancient ivory. Quinn rose, her knees popping. "The killer didn't need a token to get in. They took it from him after." Eva's eyes widened behind her glasses. Her freckled complexion drained of colour. "So it's a robbery gone wrong? A mundane murder dressed up in supernatural theatre?" Quinn gestured toward the far end of the platform with a sharp movement of her hand. "Or the opposite. Look at the architecture." She walked to the body, then past it, toward a vendor's stall that stood against the curved wall. The canvas awning billowed though no air moved. Behind it, the wall showed fresh mortar, bricks laid in a herringbone pattern matching no historical record of the station. The Veil Market moved every full moon, reconfiguring its spaces, walls sliding like theater scenery, but this section—this particular stretch of platform—should not exist until the moon reached its zenith and the Market underwent another shift. Quinn stopped beside the fresh brickwork. "The body was placed against this wall before the Market shifted into this configuration. The killer knew the layout. They knew where the wall would stand at 23:00 hours." Eva tucked another curl of red hair behind her left ear, her hand shaking. "You're saying someone moved him?" Quinn knelt beside the wall. She pressed her palm against the mortar. The surface was dry, dusty, cool. No blood spatter. No impact marks. No evidence of violence against the brick. She ran her fingers along the seam between bricks, feeling the slight irregularity where the new work met the old. "He died in another location. Someone carried him to this spot during the shift. Hung him against a wall that materialized around him. Staged it to look like a ritual killing, but the physics don't lie." The compass needle spun faster in Quinn's hand, pointing not at the body, but at the solid brick behind it, vibrating against her palm with a hum she could feel in her teeth. Eva whispered, clutching her satchel to her chest, the leather creaking. "The compass points to supernatural rifts. There's one behind that wall." Quinn stood. She looked at the brick wall, then at the compass, then at the tiles beneath the corpse, spotless where blood should have pooled, the vertical position of the body, the empty space where arterial spray belonged. The pattern crystallized in her mind with the finality of a hammer strike—the vertical death, the dry mortar, the token placed in the hand like a calling card, the absence of blood. The killer moved more than a body. They moved it through the shift itself, using the Market's own transfiguration to create an alibi that existed in time but not in space, a crime scene that assembled itself around a corpse. Eva gathered her books, stacking them with precise, methodical movements. She looked at Quinn, her green eyes reflecting the fungal glow, her round glasses slipping down her nose. Eva clutched her satchel. "Harlow. This isn't the coven. This isn't random violence." Quinn knelt beside the wall. She pressed her ear against the cool brick, listening to the station's silence, the distant drip of water, the hum of the city above. She felt the vibration of the compass in her pocket, pointing through solid masonry toward a door the Market's magic controlled. Quinn stood, her jaw set, her brown eyes fixed on the wall. "It's someone who knows the Market's rhythm. Someone who used the shift to bury the truth."
created_at"2026-10-07T09:04:52.3Z" 10/7/2026, 9:04:52 AM
model"mistralai/mistral-large-4-0-20261006"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency597
moderation_latency(null)
generation_time352031
tokens_prompt1112
tokens_completion15469
native_tokens_prompt1042
native_tokens_completion14849
native_tokens_completion_images(null)
native_tokens_reasoning13634
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"
usage0.03174297
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791363892-jYRH2x9ctn5tiCt4YkVw"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791363892-GMsBNbrMt0R4ALTuZMDs"
upstream_id"140fc07fd52a440a9c61374449030ea9"
provider_responses
0
endpoint_id"19b3b5d7-23f6-4b63-8109-64a6cc37d996"
id"140fc07fd52a440a9c61374449030ea9"
is_byokfalse
latency572
model_permaslug"mistralai/mistral-large-4-0-20261006"
provider_name"Mistral"
status200
total_cost0.03174297
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
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.067
leniency0.133
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1205
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)
58.51% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1205
totalAiIsms10
found
0
word"silence"
count3
1
word"weight"
count2
2
word"tinged"
count1
3
word"etched"
count1
4
word"could feel"
count1
5
word"crystallized"
count1
6
word"methodical"
count1
highlights
0"silence"
1"weight"
2"tinged"
3"etched"
4"could feel"
5"crystallized"
6"methodical"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences71
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences71
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences85
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen41
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1202
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions41
wordCount982
uniqueNames11
maxNameDensity1.53
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn15
Camden1
Town1
Kowalski1
Adam1
Victorian1
Veil2
Market6
Met1
Eva11
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Adam"
4"Victorian"
5"Market"
6"Eva"
places
0"Camden"
1"Town"
2"Met"
globalScore0.736
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences59
glossingSentenceCount0
matches(empty)
33.61% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.664
wordCount1202
matches
0"not pointing north, but jerking toward the victim's outstretched right hand with fra"
1"not at the body, but at the solid brick behind it, vibrating against her palm wit"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences85
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs26
mean46.23
std30.84
cv0.667
sampleLengths
061
137
280
311
4120
543
67
761
893
944
1022
1147
1220
1326
1423
1582
1635
1719
1887
1933
2022
21110
2228
2313
2450
2528
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences71
matches
0"were clasped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs156
matches(empty)
42.02% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences3
totalSentences85
ratio0.035
matches
0"Books tumbled out—ancient grimoires bound in cracked leather, their pages swollen with moisture from the damp air."
1"The Veil Market moved every full moon, reconfiguring its spaces, walls sliding like theater scenery, but this section—this particular stretch of platform—should not exist until the moon reached its zenith and the Market underwent another shift."
2"The pattern crystallized in her mind with the finality of a hammer strike—the vertical death, the dry mortar, the token placed in the hand like a calling card, the absence of blood."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount990
adjectiveStacks0
stackExamples(empty)
adverbCount6
adverbRatio0.006060606060606061
lyAdverbCount1
lyAdverbRatio0.00101010101010101
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences85
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences85
mean14.14
std9.4
cv0.665
sampleLengths
014
18
216
323
49
51
627
716
817
926
1021
117
124
134
1415
1521
1619
1716
185
199
2031
2114
228
2321
244
253
2612
278
2841
292
3011
3110
3223
3326
3421
359
3617
3718
3814
398
409
416
4214
436
4412
455
4615
476
486
4914
41.67% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.2857142857142857
totalSentences84
uniqueOpeners24
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences68
matches(empty)
ratio0
96.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount21
totalSentences68
matches
0"Her boots struck sparks against"
1"She checked the leather watch"
2"She tucked a curl of"
3"Her salt-and-pepper hair, cropped short"
4"She noted the sharp line"
5"His hands were clasped over"
6"Her satchel lay open, pages"
7"Her boots scraped the tile,"
8"She walked the perimeter, her"
9"She retrieved a small brass"
10"She opened the dead man's"
11"She lifted it, feeling its"
12"Her freckled complexion drained of"
13"She walked to the body,"
14"She pressed her palm against"
15"She ran her fingers along"
16"She looked at the brick"
17"They moved it through the"
18"She looked at Quinn, her"
19"She pressed her ear against"
ratio0.309
11.47% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount61
totalSentences68
matches
0"Detective Harlow Quinn descended the"
1"Her boots struck sparks against"
2"The air down here tasted"
3"She checked the leather watch"
4"Eva Kowalski stood beside a"
5"Books tumbled out—ancient grimoires bound"
6"Eva wore her round glasses"
7"She tucked a curl of"
8"Eva's voice cracked against the"
9"Quinn approached the body."
10"Her salt-and-pepper hair, cropped short"
11"She noted the sharp line"
12"A male vendor lay against"
13"His hands were clasped over"
14"None on his shirt front,"
15"The crimson had soaked into"
16"Eva adjusted her glasses, sliding"
17"Her satchel lay open, pages"
18"Quinn shook her head."
19"Eva pulled a book from"
ratio0.897
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences68
matches(empty)
ratio0
55.75% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences41
technicalSentenceCount5
matches
0"Three hours since the call from the station's caretaker, a nervous man who had stumbled upon the body during his rounds and fled without disturbing the scene."
1"Eva wore her round glasses pushed up against her forehead, revealing green eyes that reflected the bioluminescent fungi clinging to the arched ceiling like pale…"
2"The stalls lined the old northbound platform for the current evening, canvas awnings flapping in a wind that should not exist in a sealed tube station."
3"The compass needle spun faster in Quinn's hand, pointing not at the body, but at the solid brick behind it, vibrating against her palm with a hum she could feel…"
4"They moved it through the shift itself, using the Market's own transfiguration to create an alibi that existed in time but not in space, a crime scene that asse…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
80.2052%