Run: 2026-09-25-01M3CKC6BSSXXJB4KCC5ZNWRFY

Run Details

Duration:
19.5s
Cost:
$0.019068
Provider:
Mistral

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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.

Model response

AI
The rain fell in sheets, turning the neon glow of Soho into a blur of smeared colors. Detective Harlow Quinn’s boots splashed through puddles as she rounded the corner, her breath steady despite the cold bite in the air. The suspect—a wiry man in a dark coat—darted between the shadows, his silhouette flickering under the flickering streetlamps. She had been tailing him for blocks, ever since he’d slipped out of The Raven’s Nest with a package tucked under his arm. The Nest was Silas’ bar, a place where the city’s underbelly whispered secrets over cheap whiskey. And secrets were exactly what she intended to uncover. Her leather watch, worn smooth by years of service, pressed against her wrist as she checked the time. 23:47. The streets were slick, the cobblestones treacherous, but she didn’t slow. Eighteen years on the force had honed her instincts, and every one of them screamed that this man was connected to the clique—the same group she’d been chasing since Morris’ death. Three years, and still no answers. Only more questions, more shadows. The suspect glanced back, his face half-hidden under a hood, and then bolted down a narrow alley. Quinn followed, her sharp jaw set. The alley was a tight squeeze, the brick walls closing in around her. The rain echoed off the pavement, a staccato rhythm that matched the pound of her pulse. She lost sight of him for a second, then spotted movement ahead—a door swinging shut. She lunged for it, her fingers brushing the cold metal just as it clicked into place. A fire escape. Of course. She took the stairs two at a time, her muscles burning. Below, the city sprawled out in a glittering web of lights, but her focus was on the figure now sprinting across a rooftop. He was fast, but she was relentless. She vaulted over a low wall, landing hard on the other side. The impact jarred her knees, but she didn’t falter. The man was heading for the edge of the building, where a rusted ladder descended into darkness. Quinn didn’t hesitate. She grabbed the ladder and swung herself down, her grip sure despite the rain-slicked rungs. The drop was longer than she expected, and she hit the ground with a grunt, her ankles protesting. The suspect was already moving, slipping into what looked like a service entrance for one of the old Tube stations. Camden. Abandoned, if the records were right. But the records didn’t mention the faint green glow seeping from the cracks in the door, or the way the air here felt thick, charged, like the moment before a storm broke. She pushed through the door, her hand instinctively going to the torch on her belt. The beam cut through the darkness, illuminating a set of stairs descending into the earth. The walls were lined with tiles, some cracked, others missing, revealing the raw brick beneath. The air smelled of damp and something else—something metallic, like old blood. Her torch flickered over a symbol carved into the wall: a raven in flight. The Raven’s Nest had the same emblem above its bar. This wasn’t just an abandoned station. This was a gateway. The suspect’s footsteps echoed ahead, urgent, desperate. Quinn followed, her torchlight bouncing off the walls. The deeper she went, the more the air seemed to hum, as if the very stones were alive with energy. Then, abruptly, the tunnel opened into a vast chamber. The Veil Market. Her breath caught. The space was a labyrinth of stalls, each one lit by flickering lanterns or the eerie glow of enchanted objects. The scent of spices, old parchment, and something acrid—alchemical—filled her nose. Figures moved in the shadows, their faces obscured by hoods or masks. A woman with silver hair sold vials of shimmering liquid from a table. A man with too many teeth grinned at her from behind a display of jagged knives. And above it all, the ceiling was lost in darkness, as if the market stretched endlessly upward. The suspect was nowhere in sight. Quinn’s fingers tightened around her torch. She was out of her depth here. This wasn’t a place for cops. This was a place for things that went bump in the night, for deals made in blood and whispers. But Morris hadn’t died in a place like this for nothing. She stepped forward, her boots silent on the damp stone. A hand clamped down on her shoulder. She spun, her instinct to draw her weapon, but the man who stood there wasn’t a threat. Not yet. Warm brown eyes met hers, framed by short, curly dark hair. Tomás Herrera. His olive skin was slick with rain, and the Saint Christopher medallion around his neck glinted in the dim light. “Detective Quinn,” he said, his voice low, accented. “You shouldn’t be here.” She shook off his hand. “And you shouldn’t be in my way.” Tomás’ gaze flicked to the market, then back to her. “You’re chasing a ghost. That man you followed? He’s long gone by now. The Market doesn’t like outsiders.” “Then it’s a good thing I’m not here to shop.” She scanned the crowd, her mind racing. The clique had to be here. The Nest, the Market—it was all connected. “I need to find him. He took something from the Nest. Something important.” Tomás exhaled sharply. “Or something dangerous. Look, I know you don’t trust me—” “You lost your license for treating things that don’t exist,” she cut in. “So yeah, I don’t trust you.” “Supernatural things *do* exist, Detective. And this?” He gestured to the market. “This is their world. You walk in here like you own the place, and you won’t walk out.” She wanted to argue, to brush him off, but the weight of his words settled in her chest. Morris had died chasing something he didn’t understand. She wouldn’t make the same mistake. “Fine. What do I do?” Tomás’ expression softened, just a fraction. “You let me help you. I know this place. I know the people. And I know how to get out alive.” Quinn hesitated. Every instinct told her to keep moving, to chase the lead until it bled dry. But the Market was a maze, and she was a cop in a world that didn’t play by her rules. “What’s your price?” He almost smiled. “No price. Just don’t get us killed.” She nodded, once. “Lead the way.” Tomás turned, weaving through the stalls with the ease of someone who’d been here before. Quinn followed, her eyes sharp, her mind sharper. The market was a living thing, pulsing with energy and danger. A stall to her left sold jars of what looked like preserved eyes. To her right, a man in a long coat traded a small, writhing creature in a cage for a handful of blackened coins. She forced herself to keep moving. “He went this way,” Tomás said, ducking under a low-hanging tapestry. The fabric was embroidered with scenes she didn’t want to look at too closely. “But we’re not the only ones looking for him.” As if on cue, a group of figures emerged from the shadows ahead. They moved like a unit, their steps synchronized, their faces obscured by masks that looked like they’d been stitched from human skin. The clique. She’d seen their handiwork before—bodies drained of blood, symbols carved into flesh. Morris had been investigating them before he died. Tomás tugged her back behind a stall selling an array of bones. “They’re not here for a friendly chat.” Quinn’s pulse spiked. “We need to move. Now.” He didn’t argue. They slipped through the Market, sticking to the edges, using the chaos of the crowd as cover. The clique was closing in, their presence like a cold hand at the back of her neck. She could feel their eyes on her, even through the press of bodies. Then, a shout. A stall exploded in a burst of sparks and splintered wood as one of the clique members hurled something at it. The crowd scattered, screaming. Quinn and Tomás didn’t stop. They ran, dodging through the panic, the air thick with the scent of smoke and fear. A dead end. A wall of crates blocked their path. Quinn spun, her back pressing against the wood. The clique was there, their masks leering in the flickering light. One of them stepped forward, his voice a rasp. “Detective Quinn. We’ve been expecting you.” Tomás grabbed her arm. “This way.” He yanked her sideways, through a gap in the crates she hadn’t seen. They tumbled into a narrow passage, the walls lined with shelves of jars and bottles. The clique’s shouts echoed behind them. The passage twisted, then opened into a small chamber. A single door stood at the far end, its surface carved with the same raven symbol from the Nest. Tomás didn’t hesitate. He pulled it open, revealing a set of stairs leading up. “Go,” he urged. Quinn didn’t need to be told twice. She took the stairs, her legs burning, her mind racing. Behind her, the clique’s voices grew louder, angrier. She burst out into the cold night air, the rain a welcome shock after the stifling heat of the Market. Tomás followed, slamming the door shut behind them. It vanished into the brickwork, as if it had never been there. She bent over, hands on her knees, gasping. “What the hell was that?” Tomás leaned against the wall, his chest heaving. “That, Detective, was the Veil Market. And you just became a person of interest to some very dangerous people.” Quinn straightened, her mind already piecing it together. The Nest, the Market, the clique—they were all connected. And Morris had died because of it. She looked at Tomás, really looked at him. He was breathing hard, but his eyes were clear, determined. “Why help me?” He touched the scar on his forearm, a habit she’d noticed before. “Because someone has to stop them. And you’re the only cop crazy enough to try.” She almost laughed. Almost. But the weight of what she’d just seen, what she’d just stepped into, pressed down on her. This wasn’t just a case anymore. This was a war. And she’d just fired the first shot. The rain washed over them, cleansing nothing. But for the first time in three years, Quinn felt like she was finally on the right path. She turned to Tomás, her voice steady. “We’re not done here. Not by a long shot.” He nodded. “No. We’re not.” Together, they melted into the rain-soaked streets, the neon glow of Soho reflecting in the puddles at their feet. The chase wasn’t over. It had only just begun.
created_at"2026-09-25T15:36:36.485Z" 9/25/2026, 3:36:36 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency351
moderation_latency(null)
generation_time19468
tokens_prompt888
tokens_completion2655
native_tokens_prompt852
native_tokens_completion2372
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached768
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"
usage0.019068
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350596-OmC77gpYTSlMnQ7siw3q"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350596-PWpZOmtC1OPu9XKTFs8r"
upstream_id"ce7aec1aa8cb4c84952d8ab38fb934a2"
provider_responses
0
endpoint_id"38ef23a9-5cb3-46fa-85ec-7aed174f04eb"
id"ce7aec1aa8cb4c84952d8ab38fb934a2"
is_byokfalse
latency351
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.019068
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
totalTags8
adverbTagCount0
adverbTags(empty)
dialogueSentences29
tagDensity0.276
leniency0.552
rawRatio0
effectiveRatio0
88.83% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1791
totalAiIsmAdverbs4
found
0
adverb"very"
count2
1
adverb"sharply"
count1
2
adverb"really"
count1
highlights
0"very"
1"sharply"
2"really"
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)
46.96% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1791
totalAiIsms19
found
0
word"treacherous"
count1
1
word"echoed"
count3
2
word"pulse"
count2
3
word"charged"
count1
4
word"flickered"
count1
5
word"footsteps"
count1
6
word"flicked"
count1
7
word"scanned"
count1
8
word"racing"
count2
9
word"weight"
count2
10
word"tapestry"
count1
11
word"synchronized"
count1
12
word"could feel"
count1
13
word"determined"
count1
highlights
0"treacherous"
1"echoed"
2"pulse"
3"charged"
4"flickered"
5"footsteps"
6"flicked"
7"scanned"
8"racing"
9"weight"
10"tapestry"
11"synchronized"
12"could feel"
13"determined"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"weight of words/silence"
count1
highlights
0"the weight of his words"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences147
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences147
filterMatches
0"watch"
hedgeMatches
0"tended to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences171
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1781
ratio0.001
matches
0"do"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions10
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions52
wordCount1518
uniqueNames14
maxNameDensity0.86
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Tomás"
discoveredNames
Soho2
Harlow1
Quinn13
Raven2
Nest6
Three1
Tube1
Veil1
Market6
Morris4
Herrera1
Saint1
Christopher1
Tomás12
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Morris"
4"Herrera"
5"Saint"
6"Christopher"
7"Tomás"
places
0"Soho"
1"Three"
globalScore1
windowScore0.833
60.71% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences112
glossingSentenceCount4
matches
0"looked like a service entrance for one of"
1"looked like preserved eyes"
2"looked like they’d been stitched from hum"
3"felt like she was finally on the right"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1781
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences171
matches
0"screamed that this"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs48
mean37.1
std27.15
cv0.732
sampleLengths
0105
172
283
35
479
595
681
710
847
93
1089
116
1259
137
1452
1512
1612
1728
1843
1913
2019
2130
2237
2327
2440
2510
266
2776
2834
2957
3019
318
3250
3349
3444
3540
3642
373
3865
3913
4027
4145
4227
4338
4425
4516
465
4728
93.33% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences147
matches
0"was connected"
1"were lined"
2"was lost"
3"was embroidered"
4"been stitched"
98.99% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs264
matches
0"was heading"
1"was already moving"
2"was closing"
3"was breathing"
9.19% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount10
semicolonCount0
flaggedSentences8
totalSentences171
ratio0.047
matches
0"The suspect—a wiry man in a dark coat—darted between the shadows, his silhouette flickering under the flickering streetlamps."
1"Eighteen years on the force had honed her instincts, and every one of them screamed that this man was connected to the clique—the same group she’d been chasing since Morris’ death."
2"She lost sight of him for a second, then spotted movement ahead—a door swinging shut."
3"The air smelled of damp and something else—something metallic, like old blood."
4"The scent of spices, old parchment, and something acrid—alchemical—filled her nose."
5"The Nest, the Market—it was all connected."
6"She’d seen their handiwork before—bodies drained of blood, symbols carved into flesh."
7"The Nest, the Market, the clique—they were all connected."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount260
adjectiveStacks0
stackExamples(empty)
adverbCount7
adverbRatio0.026923076923076925
lyAdverbCount3
lyAdverbRatio0.011538461538461539
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences171
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences171
mean10.42
std6.23
cv0.598
sampleLengths
017
122
218
323
416
59
618
71
811
931
106
115
1217
136
1413
1516
1615
1716
183
192
2011
2123
227
2312
249
2517
263
2715
2818
2920
301
316
3232
3315
3415
3515
3612
3714
3810
396
404
417
428
4320
449
453
463
4720
4811
4912
41.76% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats14
diversityRatio0.27647058823529413
totalSentences170
uniqueOpeners47
72.99% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences137
matches
0"Only more questions, more shadows."
1"Then, abruptly, the tunnel opened"
2"Then, a shout."
ratio0.022
91.53% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount44
totalSentences137
matches
0"She had been tailing him"
1"Her leather watch, worn smooth"
2"She lost sight of him"
3"She lunged for it, her"
4"She took the stairs two"
5"He was fast, but she"
6"She vaulted over a low"
7"She grabbed the ladder and"
8"She pushed through the door,"
9"Her torch flickered over a"
10"Her breath caught."
11"She was out of her"
12"She stepped forward, her boots"
13"She spun, her instinct to"
14"His olive skin was slick"
15"he said, his voice low,"
16"She shook off his hand."
17"She scanned the crowd, her"
18"she cut in"
19"He gestured to the market"
ratio0.321
40.29% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount115
totalSentences137
matches
0"The rain fell in sheets,"
1"Detective Harlow Quinn’s boots splashed"
2"The suspect—a wiry man in"
3"She had been tailing him"
4"The Nest was"
5"Her leather watch, worn smooth"
6"The streets were slick, the"
7"The suspect glanced back, his"
8"Quinn followed, her sharp jaw"
9"The alley was a tight"
10"The rain echoed off the"
11"She lost sight of him"
12"She lunged for it, her"
13"A fire escape."
14"She took the stairs two"
15"He was fast, but she"
16"She vaulted over a low"
17"The impact jarred her knees,"
18"The man was heading for"
19"Quinn didn’t hesitate."
ratio0.839
72.99% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences137
matches
0"To her right, a man"
1"As if on cue, a"
ratio0.015
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences68
technicalSentenceCount3
matches
0"The rain echoed off the pavement, a staccato rhythm that matched the pound of her pulse."
1"They moved like a unit, their steps synchronized, their faces obscured by masks that looked like they’d been stitched from human skin."
2"She took the stairs, her legs burning, her mind racing."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount2
matches
0"he said, his voice low, accented"
1"She scanned, her mind racing"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount1
fancyTags
0"he urged (urge)"
dialogueSentences29
tagDensity0.103
leniency0.207
rawRatio0.333
effectiveRatio0.069
83.3640%