Run: 2026-10-07-01M4AVPBJ008FRGT60BCZK2MKR

Run Details

Duration:
12.0s
Cost:
$0.012583
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 rust. Detective Harlow Quinn stepped over a rotted timber beam, her boots kicking up dust that swirled in the dim glow of her torch. The air hung thick, the kind that clung to the back of her throat. She adjusted the worn leather watch on her left wrist, the familiar weight a comfort. Ahead, the flicker of forensic lights carved jagged shadows across the peeling posters on the walls. PC Harris stood by a cordoned-off section, his face pale under the harsh glow. He looked up as she approached, relief flashing across his features. "Detective Quinn, thank Christ. This one’s... odd." She didn’t answer. The beam of her torch sliced through the darkness, landing on the body. A man, mid-thirties, sprawled on his back, arms splayed like he’d been dropped from a height. No visible wounds. No blood. Just the faintest trace of something metallic in the air, like ozone after a storm. Quinn crouched, her sharp jaw tightening. The victim’s eyes were wide, frozen in surprise. His fingers were curled, as if he’d been clutching something. She pried them open. Nothing. "Coroner’s on their way," Harris said, shifting his weight. "But the initial look—no signs of struggle. No defensive wounds. Tox screen’s pending, but..." "But?" She glanced up, her brown eyes sharp. Harris swallowed. "But his pockets are full of these." He held out a small evidence bag. Inside, a handful of bone tokens, each etched with symbols she didn’t recognise. Her stomach twisted. She took the bag, turning it over in her hands. The tokens were cold. "Where the hell did he get these?" Harris shrugged. "No ID on him. But get this—his phone’s dead. Not just off. Dead. Like it’s been fried from the inside." Quinn stood, her gaze sweeping the scene. The station was too quiet. No rats, no drips from the ceiling. Just the hum of the forensic lights and the distant murmur of the team working the perimeter. Then she saw it. A glint near the victim’s left hand. She knelt again, brushing aside a layer of grime with her gloved fingers. A small brass compass, its casing dull with verdigris. The face was etched with sigils, the needle spinning wildly. She picked it up. The moment her fingers closed around it, the needle snapped to a stop, pointing directly at the victim’s chest. Harris leaned in. "What’s that?" Quinn didn’t answer. She flipped the compass over. The back was smooth, save for a single word scratched into the metal: *Shade*. A chill ran down her spine. "Detective?" She pocketed the compass. "Get me everything on this man. Dental records, prints, *anything*." Harris nodded, but his brow furrowed. "You think this is connected to...?" To Morris. To the case that had ended with her partner in a morgue and a file stamped *Unexplained Circumstances*. She didn’t answer. The forensic photographer snapped pictures, the flash illuminating the peeling paint on the walls. Quinn moved to the edge of the platform, her torch catching something else—a symbol, barely visible, carved into the stone. A circle with a jagged line through it. She traced it with her fingers. Fresh. The edges were sharp, not worn by time. Harris joined her. "That wasn’t here last week. I’d swear on it." Quinn’s mind raced. Bone tokens. A compass that didn’t point north. A symbol that looked like something out of a grimoire. Then she heard it. A whisper of movement from the tunnel behind them. Not the shuffle of a rat, not the drip of water. Something deliberate. She turned, her hand instinctively going to her sidearm. The tunnel stretched into darkness, the forensic lights not reaching far enough. "Harris, you hear that?" He shook his head. "Hear what?" The sound came again. A footstep. Then another. Quinn stepped forward, her torch cutting through the black. The beam caught a figure at the edge of the light—a woman, her curly red hair a wild halo in the dimness. She wore round glasses, and a worn leather satchel hung from her shoulder. Her green eyes locked onto Quinn’s, unblinking. Harris tensed. "Oi! This is a crime scene!" The woman didn’t flinch. She tucked a strand of hair behind her left ear, her fingers lingering there. "Detective Quinn, I presume?" Quinn’s grip on her torch tightened. "Who the hell are you?" "Eva Kowalski." The woman’s voice was steady, but there was an edge to it, like she was holding back. "I work at the British Museum. Ancient History." Harris scoffed. "And what, you just *happen* to be wandering around an abandoned Tube station?" Eva’s gaze didn’t waver. "I was following the compass." Quinn’s pulse spiked. She pulled the Veil Compass from her pocket, holding it up. "This one?" Eva’s eyes flicked to it. Recognition flashed. "Yes. But that’s not possible. That one was lost years ago." Harris looked between them. "What the hell is going on?" Quinn ignored him. "You know what this is?" Eva hesitated, then nodded. "It’s a Shade compass. It points to rifts. Portals." "Portals to where?" "Places that aren’t on any map." Eva’s voice dropped. "The Veil Market moves every full moon. And it’s here. Tonight." Quinn’s mind clicked. The bone tokens. The symbol. The compass. "And our victim?" Eva’s fingers twitched toward her satchel. "He wasn’t supposed to be here. Not without an invitation." Harris threw his hands up. "Invitation? What, like a bloody party?" Quinn’s gaze locked onto Eva. "You’re saying this man was trying to get into some underground market?" "Not just any market." Eva’s voice was low, urgent. "A place where things are bought and sold that *shouldn’t* exist. And if he was here without a token... well, the Market doesn’t take kindly to trespassers." Harris let out a disbelieving laugh. "You’re serious?" Quinn didn’t laugh. She turned back to the body, her mind piecing it together. No wounds. No blood. Just a man, frozen in terror, his pockets full of tokens he shouldn’t have had. She looked up at Eva. "And the compass? Why’s it pointing at him?" Eva’s face paled. "Because whatever took him... it’s still here."
created_at"2026-10-07T09:39:11.05Z" 10/7/2026, 9:39:11 AM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency325
moderation_latency(null)
generation_time11923
tokens_prompt1112
tokens_completion1584
native_tokens_prompt1074
native_tokens_completion1463
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"
usage0.0125835
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
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request_id"req-1791365951-fjtbD5BiQdEeCVT2nshF"
session_id(null)
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api_type"completions"
id"gen-1791365951-xXJQiZtqGqPdreC11aIa"
upstream_id"285809b34f57493fa3f5c57d413c3b2c"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"285809b34f57493fa3f5c57d413c3b2c"
is_byokfalse
latency325
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.0125835
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
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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
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences38
tagDensity0.079
leniency0.158
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1030
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)
22.33% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1030
totalAiIsms16
found
0
word"familiar"
count1
1
word"weight"
count2
2
word"flicker"
count1
3
word"etched"
count2
4
word"stomach"
count1
5
word"glint"
count1
6
word"chill"
count1
7
word"down her spine"
count1
8
word"furrowed"
count1
9
word"traced"
count1
10
word"raced"
count1
11
word"whisper"
count1
12
word"pulse"
count1
13
word"flicked"
count1
highlights
0"familiar"
1"weight"
2"flicker"
3"etched"
4"stomach"
5"glint"
6"chill"
7"down her spine"
8"furrowed"
9"traced"
10"raced"
11"whisper"
12"pulse"
13"flicked"
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
emotionTells2
narrationSentences104
matches
0"n in surprise"
1"n in terror"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences104
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences137
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen28
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans5
markdownWords6
totalWords1026
ratio0.006
matches
0"Shade"
1"anything"
2"Unexplained Circumstances"
3"happen"
4"shouldn’t"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions41
wordCount757
uniqueNames9
maxNameDensity1.85
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Eva"
discoveredNames
Tube1
Camden1
Harlow1
Quinn14
Harris12
Morris1
Veil1
Compass1
Eva9
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Harris"
4"Morris"
5"Eva"
places(empty)
globalScore0.575
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences52
glossingSentenceCount1
matches
0"looked like something out of a grimoire"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1026
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences137
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs53
mean19.36
std14.23
cv0.735
sampleLengths
063
141
27
352
429
523
68
79
823
921
1022
1136
1243
1323
145
1522
166
171
1814
1912
2020
213
2257
2312
2421
2526
2621
274
286
298
3051
318
3222
3311
3427
3515
369
3716
3818
3910
408
4113
423
4320
4413
4516
4611
4717
4836
498
95.14% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences104
matches
0"been dropped"
1"were curled"
2"was etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs128
matches
0"was holding"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences137
ratio0.015
matches
0"Quinn moved to the edge of the platform, her torch catching something else—a symbol, barely visible, carved into the stone."
1"The beam caught a figure at the edge of the light—a woman, her curly red hair a wild halo in the dimness."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount761
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.030223390275952694
lyAdverbCount5
lyAdverbRatio0.006570302233902759
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences137
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences137
mean7.49
std5.26
cv0.703
sampleLengths
011
123
214
315
416
514
611
77
83
913
1016
113
122
1315
146
158
1610
174
181
199
2014
218
222
237
247
2513
263
2710
284
297
302
3120
327
335
347
3517
364
377
3813
399
4010
414
4219
433
442
453
465
4714
486
491
45.99% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.30656934306569344
totalSentences137
uniqueOpeners42
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences87
matches
0"Just the faintest trace of"
1"Just the hum of the"
2"Then she saw it."
3"Then she heard it."
4"Just a man, frozen in"
ratio0.057
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences87
matches
0"She adjusted the worn leather"
1"He looked up as she"
2"She didn’t answer."
3"His fingers were curled, as"
4"She pried them open."
5"She glanced up, her brown"
6"He held out a small"
7"Her stomach twisted."
8"She took the bag, turning"
9"She knelt again, brushing aside"
10"She picked it up."
11"She flipped the compass over."
12"She pocketed the compass."
13"She didn’t answer."
14"She traced it with her"
15"She turned, her hand instinctively"
16"He shook his head."
17"She wore round glasses, and"
18"Her green eyes locked onto"
19"She tucked a strand of"
ratio0.264
23.22% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount76
totalSentences87
matches
0"The abandoned Tube station beneath"
1"Detective Harlow Quinn stepped over"
2"The air hung thick, the"
3"She adjusted the worn leather"
4"PC Harris stood by a"
5"He looked up as she"
6"She didn’t answer."
7"The beam of her torch"
8"A man, mid-thirties, sprawled on"
9"Quinn crouched, her sharp jaw"
10"The victim’s eyes were wide,"
11"His fingers were curled, as"
12"She pried them open."
13"Harris said, shifting his weight"
14"She glanced up, her brown"
15"He held out a small"
16"Her stomach twisted."
17"She took the bag, turning"
18"The tokens were cold."
19"Quinn stood, her gaze sweeping"
ratio0.874
57.47% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences87
matches
0"To the case that had"
ratio0.011
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences30
technicalSentenceCount1
matches
0"Detective Harlow Quinn stepped over a rotted timber beam, her boots kicking up dust that swirled in the dim glow of her torch."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount1
matches
0"She glanced up, her brown eyes sharp"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences38
tagDensity0.026
leniency0.053
rawRatio0
effectiveRatio0
85.3605%