Run: 2026-09-25-01M3CKDQMCZCWHBV4X2YFDQ5AP

Run Details

Duration:
16.6s
Cost:
$0.016041
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 iron. Detective Harlow Quinn stepped over a rusted rail, her boots crunching on decades of grime. The beam of her torch cut through the gloom, illuminating peeling posters and the occasional scuttle of rats. Not the usual haunt for a murder. A body lay sprawled near the platform’s edge, limbs splayed as if dropped from a height. The victim’s coat flapped in the stale underground breeze, the fabric too fine for this place. Harlow crouched, gloved fingers hovering over the man’s outstretched hand. No defensive wounds. No signs of struggle. Just a single, precise puncture at the base of his skull. “Clean kill,” muttered a voice from behind her. Harlow didn’t turn. “Too clean.” DS Tom Whitaker loomed into the torchlight, his shadow stretching long across the cracked tiles. “Single entry, no exit. Professional job.” “Or staged.” Harlow’s torch flicked to the man’s other hand. A small brass compass lay clutched in his fingers, its casing dull with verdigris. The needle twitched, not north, but toward the far wall. She nudged it with her pen. The movement wasn’t mechanical. It was… alive. Whitaker frowned. “That’s not standard issue.” “No.” Harlow stood, scanning the platform. The station’s disuse was a lie. Fresh scuff marks marred the dust—dozens of them, leading to a gap in the wall barely wide enough to slip through. “He wasn’t the target.” “Then who was?” She didn’t answer. The compass’s needle had stilled, pointing at the gap. Harlow stepped toward it, her pulse steady despite the prickle at her neck. The air here was thicker, charged like the moment before a storm. She pressed her palm to the wall. The brick was cold, unnaturally so. “Quinn, you’re not thinking of—” “There’s a draft.” She turned her head, catching the faintest whisper of movement. Not air. Something else. “And no vents.” Whitaker exhaled through his nose. “This place is a death trap. The ceiling’s half-collapsed, the supports are shot—” “Then explain the footprints.” She shone her torch at the floor. The scuffs weren’t random. They formed a pattern, a deliberate path leading to and from the gap. Too many for a single person. Too precise for panic. Whitaker crouched, running his fingers over the marks. “Could be squatters.” “Squatters don’t wear polished shoes.” She nodded at the victim’s feet. Italian leather, barely scuffed. “And they don’t carry these.” She pulled a bone token from the man’s inner pocket, turning it in the light. Etched with symbols she didn’t recognise, but the edges were worn smooth, like it had been handled often. Whitaker’s brow furrowed. “That’s not—” “A bone token.” A voice cut through the dark, sharp as broken glass. Harlow turned. A woman stood at the platform’s edge, her curly red hair catching the torchlight. Round glasses perched on her nose, and a worn leather satchel hung from her shoulder. Eva Kowalski. Harlow had seen her name in the case files—an occult researcher, a consultant for the odd jobs the Met couldn’t explain. Eva stepped forward, her gaze locked on the token. “That’s an entry pass.” “For?” Harlow asked. “The Veil Market.” Eva’s fingers twitched, as if itching to snatch the token back. “This place isn’t just abandoned. It’s a gateway.” Whitaker scoffed. “Gateway to what? A bloody health violation?” Eva ignored him, her green eyes fixed on Harlow. “The Market moves every full moon. It’s here tonight. And that compass”—she nodded at the brass object still clutched in the victim’s hand—“points to the rift.” Harlow’s grip tightened on the token. “You’re saying this man was killed for a ticket to a black market?” “Not just any market.” Eva’s voice dropped. “The Veil trades in things that don’t belong in this world. And that compass? It’s a Shade artisan’s work. It doesn’t point north. It points to the nearest supernatural rift.” Whitaker threw his hands up. “Supernatural? Quinn, we’re not entertaining this again.” Harlow didn’t take her eyes off Eva. “Three years ago, my partner died on a case. The coroner called it an accident. But the scene was like this—too clean, too precise. And the witnesses? They all described the same impossible thing.” Eva’s expression didn’t change, but her fingers stilled. “What did they see?” “Shadows that moved on their own.” Harlow’s jaw tightened. “And a compass, just like this one, lying next to him.” A beat of silence. The torchlight flickered. Eva exhaled. “The Veil Market doesn’t just sell goods. It sells information. And if someone wanted to keep your partner quiet…” “They’d make it look like an accident.” Harlow’s gaze snapped back to the gap in the wall. The compass’s needle had begun to spin, faster now, as if sensing her focus. “This man wasn’t the target. He was the message.” Whitaker rubbed his temples. “You’re telling me we’re chasing fairy tales?” “No.” Harlow stepped toward the gap, the bone token heavy in her palm. “We’re chasing the truth. And it’s hiding in plain sight.” Eva adjusted her satchel. “The Market won’t be here for long. If we’re going in, we go now.” Harlow didn’t hesitate. She slipped the token into her pocket and moved toward the gap. The air grew colder with each step, her breath misting in front of her. The compass’s needle pointed straight ahead, vibrating like a plucked string. Whitaker grabbed her arm. “Quinn, this is madness. We don’t even know what’s in there.” She shook him off. “That’s the point, Tom. We don’t. But someone does. And they left us a trail.” Eva was already at the gap, her hand pressing against the wall. The bricks shimmered, just for a second, like heat off tarmac. Then the gap widened, revealing a tunnel that hadn’t been there before. The walls pulsed with a faint, eerie light, and the scent of ozone and old spices filled the air. Harlow’s watch ticked loudly on her wrist. Military precision, her father had called it. Right now, it felt like a countdown. She stepped through. The tunnel stretched ahead, lined with stalls that shouldn’t exist—jars of swirling mist, weapons that hummed with energy, books bound in what looked like human skin. Figures moved in the shadows, their faces obscured, their voices a murmur of languages she didn’t know. Eva fell into step beside her. “Stay close. And don’t touch anything.” Harlow’s fingers brushed the compass in her pocket. The needle was spinning wildly now, as if it couldn’t decide which way to point. She pulled it out. The face was no longer brass. The sigils glowed faintly, and the needle pointed at a stall draped in black velvet. A man stood behind it, his face half-hidden by a hood. But his eyes were sharp, calculating. He looked up as they approached, and his lips curled into a smile that didn’t reach his eyes. “Detective Quinn,” he said, as if he’d been expecting her. “I was wondering when you’d find your way here.” Harlow’s grip tightened on the compass. “You know me?” The man chuckled, low and dry. “Everyone knows the detective who won’t let the impossible stay buried.” He reached beneath the table and placed a small, familiar object on the velvet. Another compass. Identical to the one in her hand. “Your partner’s last case. You’ve been looking for answers. I have them.” Eva’s hand shot out, snatching the compass before Harlow could. “Don’t. It’s a trick.” The man’s smile widened. “Or a trade. Information for information.” Harlow’s pulse hammered. This was it. The break she’d been chasing for three years. She leaned forward. “What do you want?” The man’s gaze flicked to Eva, then back to Harlow. “The token in your pocket. And your silence.” Behind them, Whitaker’s voice cut through the murmur of the Market. “Quinn! Get back here!” She didn’t turn. The compass in Eva’s hand pulsed, its needle swinging toward the man’s stall. Toward the truth. Harlow reached into her pocket. The bone token was warm now, as if alive. She placed it on the table. “Talk.”
created_at"2026-09-25T15:37:26.932Z" 9/25/2026, 3:37:26 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency552
moderation_latency(null)
generation_time16597
tokens_prompt1112
tokens_completion2169
native_tokens_prompt1074
native_tokens_completion1924
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"
usage0.016041
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350646-wdANXcz4jI7v5I5ZqRVy"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350646-RP0RBowd5ZoqyVPrRBmX"
upstream_id"9164d25886a44bbf8f3a0c74a1711436"
provider_responses
0
endpoint_id"38ef23a9-5cb3-46fa-85ec-7aed174f04eb"
id"9164d25886a44bbf8f3a0c74a1711436"
is_byokfalse
latency552
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.016041
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
totalTags14
adverbTagCount1
adverbTags
0"Harlow’s gaze snapped back [back]"
dialogueSentences53
tagDensity0.264
leniency0.528
rawRatio0.071
effectiveRatio0.038
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1341
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)
14.24% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1341
totalAiIsms23
found
0
word"gloom"
count1
1
word"loomed"
count1
2
word"flicked"
count2
3
word"mechanical"
count1
4
word"standard"
count1
5
word"scanning"
count1
6
word"pulse"
count2
7
word"charged"
count1
8
word"whisper"
count1
9
word"etched"
count1
10
word"furrowed"
count1
11
word"silence"
count2
12
word"flickered"
count1
13
word"shimmered"
count1
14
word"pulsed"
count2
15
word"velvet"
count2
16
word"calculating"
count1
17
word"familiar"
count1
highlights
0"gloom"
1"loomed"
2"flicked"
3"mechanical"
4"standard"
5"scanning"
6"pulse"
7"charged"
8"whisper"
9"etched"
10"furrowed"
11"silence"
12"flickered"
13"shimmered"
14"pulsed"
15"velvet"
16"calculating"
17"familiar"
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
narrationSentences115
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences115
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences152
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen35
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1337
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions56
wordCount946
uniqueNames12
maxNameDensity2.43
worstName"Harlow"
maxWindowNameDensity5
worstWindowName"Harlow"
discoveredNames
Tube1
Camden1
Harlow23
Quinn1
Tom1
Whitaker10
Italian1
Etched1
Kowalski1
Met1
Eva14
Market1
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Tom"
4"Whitaker"
5"Kowalski"
6"Met"
7"Eva"
places(empty)
globalScore0.284
windowScore0
14.86% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences74
glossingSentenceCount4
matches
0"as if itching to snatch the token back"
1"as if sensing her focus"
2"felt like a countdown"
3"looked like human skin"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.748
wordCount1337
matches
0"not north, but toward the far wall"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences152
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs55
mean24.31
std16.17
cv0.665
sampleLengths
052
160
28
35
421
547
66
737
83
950
105
1120
1218
1338
1411
1553
165
1713
1854
1913
203
2122
229
2335
2419
2537
2612
2741
2812
2920
307
3121
3240
3311
3423
3518
3640
3715
3819
3954
4021
4146
4212
4348
4435
4519
469
4752
4814
4910
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences115
matches
0"been handled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs160
matches
0"was spinning"
86.47% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences3
totalSentences152
ratio0.02
matches
0"Fresh scuff marks marred the dust—dozens of them, leading to a gap in the wall barely wide enough to slip through."
1"Harlow had seen her name in the case files—an occult researcher, a consultant for the odd jobs the Met couldn’t explain."
2"The tunnel stretched ahead, lined with stalls that shouldn’t exist—jars of swirling mist, weapons that hummed with energy, books bound in what looked like human skin."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount950
adjectiveStacks0
stackExamples(empty)
adverbCount24
adverbRatio0.02526315789473684
lyAdverbCount7
lyAdverbRatio0.007368421052631579
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences152
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences152
mean8.8
std6.05
cv0.688
sampleLengths
012
115
218
37
416
516
610
73
84
911
108
113
122
1315
146
1510
1614
1710
186
194
202
211
222
234
246
256
2621
274
283
293
309
3113
3212
337
346
355
3613
372
382
393
405
4113
4211
434
4413
456
464
478
483
4911
55.92% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.35526315789473684
totalSentences152
uniqueOpeners54
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences104
matches
0"Just a single, precise puncture"
1"Too many for a single"
2"Too precise for panic."
3"Then the gap widened, revealing"
ratio0.038
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount18
totalSentences104
matches
0"She nudged it with her"
1"She didn’t answer."
2"She pressed her palm to"
3"She turned her head, catching"
4"She shone her torch at"
5"They formed a pattern, a"
6"She nodded at the victim’s"
7"She pulled a bone token"
8"She slipped the token into"
9"She shook him off."
10"She stepped through."
11"She pulled it out."
12"He looked up as they"
13"he said, as if he’d"
14"He reached beneath the table"
15"She leaned forward."
16"She didn’t turn."
17"She placed it on the"
ratio0.173
36.92% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount88
totalSentences104
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped over"
2"The beam of her torch"
3"A body lay sprawled near"
4"The victim’s coat flapped in"
5"Harlow crouched, gloved fingers hovering"
6"Harlow didn’t turn."
7"DS Tom Whitaker loomed into"
8"Harlow’s torch flicked to the"
9"A small brass compass lay"
10"The needle twitched, not north,"
11"She nudged it with her"
12"The movement wasn’t mechanical."
13"Harlow stood, scanning the platform"
14"The station’s disuse was a"
15"She didn’t answer."
16"The compass’s needle had stilled,"
17"Harlow stepped toward it, her"
18"The air here was thicker,"
19"She pressed her palm to"
ratio0.846
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences104
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences36
technicalSentenceCount1
matches
0"The tunnel stretched ahead, lined with stalls that shouldn’t exist—jars of swirling mist, weapons that hummed with energy, books bound in what looked like human…"
17.86% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags14
uselessAdditionCount3
matches
0"Eva’s fingers twitched, as if itching to snatch the token back"
1"Harlow stepped, the bone token heavy in her palm"
2"he said, as if he’d been expecting her"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount1
fancyTags
0"Harlow’s gaze snapped back (snap)"
dialogueSentences53
tagDensity0.057
leniency0.113
rawRatio0.333
effectiveRatio0.038
80.8758%