Run: 2026-10-07-01M4ASTQ0PJZRM4S5PVX27ZCGT

Run Details

Duration:
20.4s
Cost:
$0.018048
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 came down in sheets, turning the Soho streets into a slick, reflective maze. Detective Harlow Quinn moved with the precision of a woman who had spent nearly two decades chasing shadows through these same alleys. Her leather watch, worn smooth by years of use, pressed against the inside of her left wrist as she checked the time—11:47 PM. The neon glow of The Raven’s Nest’s green sign flickered ahead, its light bleeding into the puddles at her feet. She hadn’t planned on ending up here, but the suspect had led her this way, darting between the drunks and the late-night revelers like a ghost. She caught a glimpse of him—tall, lean, a dark coat flapping behind him as he turned sharply into a narrow side street. Harlow’s jaw tightened. She wasn’t about to lose him now. Not after the trail of breadcrumbs he’d left: the whispered tips from informants, the coded ledgers, the way too many of the city’s recent unsolved cases seemed to circle back to this one man. And now, here he was, leading her straight toward Silas’ bar. She pushed forward, her boots splashing through the rainwater, her breath steady despite the cold bite of the night. The suspect—she still didn’t have a name for him—glanced back once, his face half-hidden beneath the hood of his coat. Just enough for her to see the glint of something metallic at his throat. A medallion? A pendant? It was gone before she could be sure. He ducked into the alley beside The Raven’s Nest, and Harlow followed, her hand instinctively resting on the grip of her service weapon. The alley was tighter than she expected, the walls closing in like the jaws of a trap. The rain drummed against the fire escapes above, the sound muffling her footsteps. She rounded a corner and nearly collided with a stack of sodden cardboard boxes. No sign of him. A door creaked open at the far end of the alley, its hinges groaning like a dying man’s last breath. Harlow’s pulse quickened. That wasn’t an exit—it was the back entrance to the Nest. She’d been in there once, years ago, on a case involving a smuggler who’d been using the bar as a front. The place had eyes in every corner, and Silas didn’t take kindly to cops snooping around his establishment. She hesitated. The door swung slightly, as if beckoning her. Then, from the darkness beyond, a voice—low, urgent—drifted out. “You’re not supposed to be here.” Harlow’s fingers twitched. She knew that voice. Tomás Herrera. The former paramedic. The man who’d lost his license for treating things that weren’t quite human. She’d interviewed him once, after a body had turned up drained of blood in a way that defied explanation. He’d been tight-lipped then, his warm brown eyes guarded, his Saint Christopher medallion glinting under the station’s fluorescent lights. She’d written him off as another dead end. But now he was here. And so was her suspect. She stepped through the door before she could second-guess herself. The interior was dim, the air thick with the scent of aged whiskey and something else—something metallic, like old coins or fresh blood. The walls were lined with maps and black-and-white photographs, just as she remembered. But the bar was empty, the stools upturned, the lights low. Too quiet. Tomás stood near the far wall, his olive skin half-lit by a single flickering bulb. His curly dark hair was damp, as if he’d been out in the rain too. The scar on his left forearm, a souvenir from a knife attack, stood out stark against his skin. He wasn’t looking at her. His gaze was fixed on the bookshelf behind the bar. Harlow’s instincts flared. That bookshelf hadn’t been there before. Tomás didn’t turn around. “You shouldn’t have followed him, Detective.” “Where is he?” Harlow’s voice was sharp, her military bearing kicking in. She scanned the room, her eyes landing on the bookshelf. It was slightly ajar. Tomás exhaled, his breath shaky. “He’s not what you think.” “Then tell me what he is.” She took a step forward, her boots clicking against the wooden floor. The bookshelf groaned as it shifted, revealing a narrow passage beyond. A hidden room. Of course. Silas had always been one for secrets. Tomás finally turned to face her, his expression a mix of frustration and something like pity. “You don’t want to go in there.” Harlow’s jaw clenched. “I don’t take orders from you, Herrera.” “No,” he said, “but you take them from the truth. And the truth is, whatever you think you’re chasing, it’s already chasing you back.” A cold draft slithered out from the hidden passage, carrying with it the scent of damp earth and something older, something that didn’t belong in the world above. Harlow’s skin prickled. She’d felt this before—three years ago, the night she lost Morris. The night the case had gone sideways into something she still couldn’t explain. She reached for her weapon, but her hand froze halfway. Tomás wasn’t armed. He wasn’t a threat. But the way he was looking at her—like she was already standing on the edge of a cliff—made her hesitate. “You know what’s down there,” she said. It wasn’t a question. Tomás’s fingers tightened around the medallion at his throat. “The Veil Market. It moves every full moon. Tonight, it’s beneath Camden.” Harlow’s stomach twisted. The Veil Market. She’d heard the whispers, the rumors of a black market for things that didn’t exist. Enchanted goods. Alchemical substances. Information that could get you killed or worse. And it was accessible only by a bone token. Her suspect had one. She was sure of it. “He’s going to disappear,” Harlow said. “And if I don’t follow him now, I’ll lose him.” Tomás shook his head. “You don’t understand. The Market isn’t just a place. It’s a… a *crossroads*. And not everything there is for sale.” The passage beyond the bookshelf yawned like a mouth. Harlow could see the first few steps of a staircase descending into darkness. The air was thicker here, heavier, as if the world itself was resisting her. She thought of Morris. Of the way his body had been found—or what was left of it. The way the coroner’s report had been filled with words like “unexplained” and “impossible.” She’d buried the questions, the doubts, beneath layers of procedure and paperwork. But they were still there, gnawing at her. Tomás took a step toward her, his voice dropping to a whisper. “There are things down there that will *eat* you, Quinn. Not just kill you. *Eat* you. And not just your body.” Harlow’s pulse hammered in her throat. She wasn’t afraid. She’d faced down armed suspects, deranged killers, men who thought they had nothing left to lose. But this—this was different. This was the unknown. The unexplainable. And yet. She thought of the cases. The bodies. The way the city’s underbelly seemed to be rotting faster than she could scrape it clean. If the answers were down there, if the man she’d been chasing was the key to unraveling it all… She met Tomás’s gaze. “You coming with me?” He barked out a laugh, but there was no humor in it. “You’re either braver than I thought or stupider.” “Maybe both.” Tomás cursed under his breath, then reached into his pocket. He pulled out a small, smooth token—white, carved with symbols she didn’t recognize. A bone token. “You’ll need this. But if you lose it, you’re not getting out.” Harlow took it, the surface cold against her palm. “And you?” He adjusted the medallion around his neck, as if it might offer him some protection. “I’m not letting you walk in there alone. Someone’s got to drag your arse back out.” She almost smiled. Almost. But the weight of what she was about to do pressed down on her, heavy as a coffin lid. The staircase spiraled downward, the walls slick with moisture. The air grew colder with each step, the silence so absolute it felt like a physical presence. Harlow’s watch ticked loudly against her wrist, the only sound in the suffocating dark. Then, suddenly, the staircase opened into a vast, cavernous space. The abandoned Tube station beneath Camden had been transformed. Stalls lined the platform, their wares glowing with an eerie luminescence. Bottles of swirling, iridescent liquids. Jars containing things that moved on their own. Shadows that didn’t belong to anyone. And people. Or at least, shapes that looked like people. Some had too many limbs. Some had none. Some had eyes that reflected the dim light like animals’. Harlow’s breath hitched. This wasn’t possible. None of this was possible. Tomás’s hand shot out, gripping her arm. “Stay close. And for God’s sake, don’t *touch* anything.” She nodded, her throat too tight to speak. Her suspect was nowhere in sight. The Market was a labyrinth of stalls and alleys, a twisting nightmare of the impossible. A figure detached itself from the crowd—a woman with skin like polished obsidian and a smile that didn’t reach her eyes. She held out a hand, her fingers too long, too jointed. “Looking for someone, Detective?” Harlow’s blood turned to ice. She hadn’t introduced herself. Hadn’t shown her badge. Tomás’s grip on her arm tightened. “We’re just passing through.” The woman’s smile widened. “Aren’t we all?” Harlow’s mind raced. She was out of her depth. Out of her world. But she wasn’t about to turn back now. Not when the answers were finally within reach. She adjusted her grip on the bone token and stepped forward, into the heart of the Veil Market. Tomás cursed again, but he followed. The chase was far from over. And Harlow Quinn wasn’t about to let it end here.
created_at"2026-10-07T09:06:36.706Z" 10/7/2026, 9:06:36 AM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency396
moderation_latency(null)
generation_time20398
tokens_prompt888
tokens_completion2525
native_tokens_prompt852
native_tokens_completion2236
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"
usage0.018048
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791363996-QR6BrLqNufKl4Kbd2W1q"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791363996-B2BMPESGwbs3aOdbF4Lb"
upstream_id"c8ad17f5d5394c019b0622eeef915830"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"c8ad17f5d5394c019b0622eeef915830"
is_byokfalse
latency396
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.018048
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
totalTags6
adverbTagCount0
adverbTags(empty)
dialogueSentences25
tagDensity0.24
leniency0.48
rawRatio0
effectiveRatio0
87.82% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1642
totalAiIsmAdverbs4
found
0
adverb"sharply"
count1
1
adverb"slightly"
count2
2
adverb"suddenly"
count1
highlights
0"sharply"
1"slightly"
2"suddenly"
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)
48.23% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1642
totalAiIsms17
found
0
word"flickered"
count1
1
word"coded"
count1
2
word"glint"
count1
3
word"footsteps"
count1
4
word"pulse"
count2
5
word"quickened"
count1
6
word"glinting"
count1
7
word"stark"
count1
8
word"scanned"
count1
9
word"jaw clenched"
count1
10
word"stomach"
count1
11
word"whisper"
count1
12
word"unraveling"
count1
13
word"weight"
count1
14
word"silence"
count1
15
word"raced"
count1
highlights
0"flickered"
1"coded"
2"glint"
3"footsteps"
4"pulse"
5"quickened"
6"glinting"
7"stark"
8"scanned"
9"jaw clenched"
10"stomach"
11"whisper"
12"unraveling"
13"weight"
14"silence"
15"raced"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"jaw/fists clenched"
count1
highlights
0"jaw clenched"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences152
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences152
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)
analyzedSentences171
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen34
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans4
markdownWords4
totalWords1628
ratio0.002
matches
0"crossroads"
1"eat"
2"Eat"
3"touch"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions55
wordCount1425
uniqueNames15
maxNameDensity1.33
worstName"Harlow"
maxWindowNameDensity2.5
worstWindowName"Harlow"
discoveredNames
Soho1
Harlow19
Quinn2
Raven2
Nest3
Silas2
Herrera1
Saint1
Christopher1
Morris2
Veil2
Market3
Tomás14
Tube1
Camden1
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Silas"
4"Herrera"
5"Saint"
6"Christopher"
7"Morris"
8"Tomás"
9"Camden"
places
0"Soho"
1"Nest"
globalScore0.833
windowScore0.833
14.13% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences92
glossingSentenceCount5
matches
0"as if beckoning her"
1"quite human"
2"something like pity"
3"felt like a physical presence"
4"looked like people"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1628
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences171
matches
0"knew that voice"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs52
mean31.31
std22.48
cv0.718
sampleLengths
0106
177
265
371
473
525
671
710
859
963
109
1110
1226
1310
1441
1523
1610
1724
1855
1937
2011
2121
2242
239
2416
2524
2636
2751
2833
2935
302
3142
328
3320
342
3538
3611
3731
3823
3940
4049
4128
4211
4316
4429
4536
4613
4710
487
4929
91.41% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences152
matches
0"was gone"
1"were lined"
2"was fixed"
3"been found"
4"been filled"
5"been transformed"
59.94% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount5
totalVerbs238
matches
0"was, leading"
1"wasn’t looking"
2"was looking"
3"was already standing"
4"was resisting"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount15
semicolonCount0
flaggedSentences12
totalSentences171
ratio0.07
matches
0"Her leather watch, worn smooth by years of use, pressed against the inside of her left wrist as she checked the time—11:47 PM."
1"She caught a glimpse of him—tall, lean, a dark coat flapping behind him as he turned sharply into a narrow side street."
2"The suspect—she still didn’t have a name for him—glanced back once, his face half-hidden beneath the hood of his coat."
3"That wasn’t an exit—it was the back entrance to the Nest."
4"Then, from the darkness beyond, a voice—low, urgent—drifted out."
5"The interior was dim, the air thick with the scent of aged whiskey and something else—something metallic, like old coins or fresh blood."
6"She’d felt this before—three years ago, the night she lost Morris."
7"But the way he was looking at her—like she was already standing on the edge of a cliff—made her hesitate."
8"Of the way his body had been found—or what was left of it."
9"But this—this was different."
10"He pulled out a small, smooth token—white, carved with symbols she didn’t recognize."
11"A figure detached itself from the crowd—a woman with skin like polished obsidian and a smile that didn’t reach her eyes."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount333
adjectiveStacks0
stackExamples(empty)
adverbCount10
adverbRatio0.03003003003003003
lyAdverbCount2
lyAdverbRatio0.006006006006006006
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
mean9.52
std6.66
cv0.699
sampleLengths
015
122
223
320
426
522
63
77
834
911
1019
1120
1214
132
142
158
1623
1717
1813
1914
204
2120
223
2311
2421
2518
262
278
289
296
303
314
322
333
3413
3519
3619
378
385
395
4010
4123
4213
4311
442
4515
4615
4718
485
4910
44.15% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.2573099415204678
totalSentences171
uniqueOpeners44
73.53% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences136
matches
0"Just enough for her to"
1"Then, from the darkness beyond,"
2"Then, suddenly, the staircase opened"
ratio0.022
96.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount42
totalSentences136
matches
0"Her leather watch, worn smooth"
1"She hadn’t planned on ending"
2"She caught a glimpse of"
3"She wasn’t about to lose"
4"She pushed forward, her boots"
5"It was gone before she"
6"He ducked into the alley"
7"She rounded a corner and"
8"She’d been in there once,"
9"She knew that voice."
10"She’d interviewed him once, after"
11"He’d been tight-lipped then, his"
12"She’d written him off as"
13"She stepped through the door"
14"His curly dark hair was"
15"He wasn’t looking at her."
16"His gaze was fixed on"
17"She scanned the room, her"
18"It was slightly ajar."
19"She took a step forward,"
ratio0.309
40.88% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount114
totalSentences136
matches
0"The rain came down in"
1"Detective Harlow Quinn moved with"
2"Her leather watch, worn smooth"
3"The neon glow of The"
4"She hadn’t planned on ending"
5"She caught a glimpse of"
6"Harlow’s jaw tightened."
7"She wasn’t about to lose"
8"She pushed forward, her boots"
9"The suspect—she still didn’t have"
10"It was gone before she"
11"He ducked into the alley"
12"The alley was tighter than"
13"The rain drummed against the"
14"She rounded a corner and"
15"A door creaked open at"
16"Harlow’s pulse quickened."
17"That wasn’t an exit—it was"
18"She’d been in there once,"
19"The place had eyes in"
ratio0.838
36.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences136
matches
0"If the answers were down"
ratio0.007
95.24% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences60
technicalSentenceCount4
matches
0"Detective Harlow Quinn moved with the precision of a woman who had spent nearly two decades chasing shadows through these same alleys."
1"A cold draft slithered out from the hidden passage, carrying with it the scent of damp earth and something older, something that didn’t belong in the world abov…"
2"The air was thicker here, heavier, as if the world itself was resisting her."
3"He adjusted the medallion around his neck, as if it might offer him some protection."
41.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount1
matches
0"She took, her boots clicking against the wooden floor"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount0
fancyTags(empty)
dialogueSentences25
tagDensity0.12
leniency0.24
rawRatio0
effectiveRatio0
80.4526%