Run: 2026-09-25-01M3CKFGNS4QMNCY886WT9J11T

Run Details

Duration:
14.9s
Cost:
$0.012198
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’s boots splashed through puddles as she rounded the corner, her breath steady despite the cold bite of the night air. The green neon sign of The Raven’s Nest flickered ahead, its glow bleeding into the wet pavement. She didn’t slow. The suspect—a wiry man in a dark coat—had darted inside moments ago, and she wasn’t about to lose him now. Her leather watch snug against her wrist, she pushed through the door, the warmth of the bar hitting her like a wall. The scent of aged whiskey and damp wool filled her nose. The walls were lined with old maps and black-and-white photographs, their edges yellowed with time. A few patrons glanced her way, but most kept their heads down, sensing the storm she carried in with her. No sign of the man. She scanned the room, her sharp jaw tightening. Then—movement. A shadow slipping past the bar, toward the back. Harlow didn’t hesitate. She moved with military precision, weaving between tables, her hand resting on the holster at her hip. The bookshelf at the far end stood slightly ajar. She’d heard rumors about The Raven’s Nest—whispers of a hidden room, of deals made in the dark. Now, she saw the truth of it. Without breaking stride, she pushed through, stepping into a narrow corridor. The air here was thicker, laced with the scent of old paper and something metallic, like blood or old coins. The corridor twisted, descending into a set of stone steps. The rain’s drumming faded, replaced by the distant hum of voices and the clink of glass. Harlow’s pulse quickened. This wasn’t just a back room. This was a descent. The steps ended in a cavernous space, the ceiling lost in shadow. Stalls lined the edges, their wares glowing faintly under the flicker of gas lamps. Bone tokens, enchanted trinkets, vials of swirling liquid—this was the Veil Market. The abandoned Tube station beneath Camden had been repurposed, its arches now framing a world she’d only glimpsed in case files. Her suspect was here. She spotted him near a stall, his dark coat blending into the crowd. He was talking to a woman draped in a cloak of raven feathers, her fingers tracing the edge of a bone token. Harlow’s grip tightened on her weapon. She had no jurisdiction here, no backup. But she had a job to do. She stepped forward, her boots crunching on something brittle—dried leaves, maybe, or old parchment. The crowd shifted, parting like water around a stone. A man with a scarred forearm and a Saint Christopher medallion watched her from a nearby stall, his warm brown eyes assessing. Tomás Herrera. She’d seen his name in reports—former paramedic, now a ghost in the system. He gave her a slight nod, as if to say, *You shouldn’t be here.* Harlow ignored him. Her target was moving again, slipping deeper into the market. She followed, her senses on high alert. The air hummed with energy, the kind that raised the hairs on the back of her neck. This place wasn’t just hidden. It was *alive*. A stall selling vials of shimmering liquid caught her eye. The label read *Truth Serum—Guaranteed Results*. She resisted the urge to scoff. Supernatural nonsense. But then, three years ago, she’d watched her partner, DS Morris, vanish into thin air during a case that had reeked of the same kind of nonsense. The department had called it an accident. She knew better. The suspect ducked into a side tunnel, the walls lined with rusted pipes. Harlow pursued, her breath coming faster now. The tunnel sloped downward, the gas lamps giving way to torches that flickered with an eerie blue flame. The air grew colder, the shadows deeper. Then, the tunnel opened into a chamber. The suspect stood at its center, his back to her, his hands raised as if in surrender. But it wasn’t to her. Before him loomed a figure cloaked in darkness, its edges blurring like smoke. Harlow’s stomach twisted. This wasn’t human. She drew her weapon. “Police. Step away from him.” The figure turned, its face a void. The suspect didn’t move. Didn’t even flinch. Harlow’s finger hovered over the trigger, but something held her back. This wasn’t a shooting. Not yet. The figure spoke, its voice a chorus of whispers. “You do not belong here, Detective.” Harlow’s grip on the gun didn’t waver. “Neither do you.” The suspect finally turned, his face gaunt, his eyes wide with fear. “Run,” he mouthed. The figure lunged. Harlow fired. The bullet passed through the darkness as if it were mist. The figure advanced, its form shifting, stretching. Harlow’s mind raced. She’d faced down rioters, armed criminals, men with nothing to lose. But this—this was different. She took a step back, then another. The tunnel behind her was her only way out. But retreat wasn’t in her nature. She’d lost Morris to the unknown. She wouldn’t lose herself to it too. The figure raised a hand, and the torches snuffed out, plunging the chamber into darkness. Harlow’s breath hitched. She could hear the suspect whimpering, the figure’s whispers growing louder, more insistent. Then, a sound—a clink, like metal on stone. The torches flared back to life. The figure was gone. The suspect lay crumpled on the ground, trembling. And standing in the tunnel’s mouth, his medallion glinting in the blue flame, was Tomás. He didn’t smile. Didn’t speak. Just jerked his chin toward the exit, as if to say, *This is your last chance.* Harlow holstered her weapon. She could press forward, demand answers, drag the suspect into the light. But the market’s depths were a labyrinth, and the shadows here had teeth. She turned and walked toward Tomás, her steps measured. The suspect’s fate could wait. For now, she had to live to fight another day. As she passed Tomás, he fell into step beside her. “You’re either very brave or very stupid, Detective.” Harlow didn’t answer. The rain had stopped when she’d entered the market, but the streets above would still be slick, still reflecting the neon glow of the city’s secrets. She’d come back. With a plan. With backup. But for now, she let the weight of the unseen press against her back as she climbed the steps, leaving the Veil Market—and its mysteries—behind.
created_at"2026-09-25T15:38:25.347Z" 9/25/2026, 3:38:25 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency752
moderation_latency(null)
generation_time14887
tokens_prompt888
tokens_completion1617
native_tokens_prompt852
native_tokens_completion1456
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"
usage0.012198
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350705-VfDtTf9f9UkqKDzFlyGJ"
session_id(null)
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api_type"completions"
id"gen-1790350705-cPIgua0lxzeZF5wTnRmt"
upstream_id"079b233af8504fc3a72f97ba5e7405d4"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"079b233af8504fc3a72f97ba5e7405d4"
is_byokfalse
latency749
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.012198
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)
dialogueSentences5
tagDensity0.2
leniency0.4
rawRatio0
effectiveRatio0
86.07% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1077
totalAiIsmAdverbs3
found
0
adverb"slightly"
count1
1
adverb"very"
count2
highlights
0"slightly"
1"very"
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)
30.36% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1077
totalAiIsms15
found
0
word"flickered"
count2
1
word"warmth"
count1
2
word"scanned"
count1
3
word"pulse"
count1
4
word"quickened"
count1
5
word"flicker"
count1
6
word"tracing"
count1
7
word"loomed"
count1
8
word"stomach"
count1
9
word"raced"
count1
10
word"glinting"
count1
11
word"depths"
count1
12
word"measured"
count1
13
word"weight"
count1
highlights
0"flickered"
1"warmth"
2"scanned"
3"pulse"
4"quickened"
5"flicker"
6"tracing"
7"loomed"
8"stomach"
9"raced"
10"glinting"
11"depths"
12"measured"
13"weight"
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
emotionTells1
narrationSentences111
matches
0"e with fear"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences111
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences115
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen27
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans4
markdownWords13
totalWords1065
ratio0.012
matches
0"You shouldn’t be here."
1"alive"
2"Truth Serum—Guaranteed Results"
3"This is your last chance."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1042
uniqueNames16
maxNameDensity1.34
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Soho1
Harlow14
Quinn1
Raven2
Nest2
Veil2
Market2
Tube1
Camden1
Saint1
Christopher1
Herrera1
Serum1
Guaranteed1
Morris2
Tomás4
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Nest"
4"Camden"
5"Saint"
6"Christopher"
7"Herrera"
8"Morris"
9"Tomás"
places
0"Soho"
1"Market"
globalScore0.828
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences75
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1065
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences115
matches(empty)
96.51% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs27
mean39.44
std19.24
cv0.488
sampleLengths
078
168
243
364
439
559
659
774
845
961
1045
1148
129
1331
1415
1510
1615
1741
1835
1931
2041
2121
2229
2324
2418
2537
2625
95.78% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences111
matches
0"were lined"
1"been repurposed"
2"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs182
matches
0"was talking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount0
flaggedSentences10
totalSentences115
ratio0.087
matches
0"The suspect—a wiry man in a dark coat—had darted inside moments ago, and she wasn’t about to lose him now."
1"Then—movement."
2"She’d heard rumors about The Raven’s Nest—whispers of a hidden room, of deals made in the dark."
3"Bone tokens, enchanted trinkets, vials of swirling liquid—this was the Veil Market."
4"She stepped forward, her boots crunching on something brittle—dried leaves, maybe, or old parchment."
5"She’d seen his name in reports—former paramedic, now a ghost in the system."
6"The label read *Truth Serum—Guaranteed Results*."
7"But this—this was different."
8"Then, a sound—a clink, like metal on stone."
9"But for now, she let the weight of the unseen press against her back as she climbed the steps, leaving the Veil Market—and its mysteries—behind."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1056
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.021780303030303032
lyAdverbCount5
lyAdverbRatio0.004734848484848485
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences115
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences115
mean9.26
std6.16
cv0.665
sampleLengths
015
123
217
33
420
522
611
715
820
95
108
111
129
133
1417
159
1617
177
1811
1920
2010
2116
223
236
244
2512
2614
2712
2821
294
3013
3122
326
337
347
3514
369
3722
382
3913
4014
413
4210
437
4417
455
463
4710
486
496
40.43% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.2608695652173913
totalSentences115
uniqueOpeners30
97.09% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences103
matches
0"Then, the tunnel opened into"
1"Then, a sound—a clink, like"
2"Just jerked his chin toward"
ratio0.029
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount27
totalSentences103
matches
0"She didn’t slow."
1"Her leather watch snug against"
2"She scanned the room, her"
3"She moved with military precision,"
4"She’d heard rumors about The"
5"Her suspect was here."
6"She spotted him near a"
7"He was talking to a"
8"She had no jurisdiction here,"
9"She stepped forward, her boots"
10"She’d seen his name in"
11"He gave her a slight"
12"Her target was moving again,"
13"She followed, her senses on"
14"It was *alive*."
15"She resisted the urge to"
16"She knew better."
17"She drew her weapon."
18"She’d faced down rioters, armed"
19"She took a step back,"
ratio0.262
57.09% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount83
totalSentences103
matches
0"The rain came down in"
1"Detective Harlow Quinn’s boots splashed"
2"The green neon sign of"
3"She didn’t slow."
4"The suspect—a wiry man in"
5"Her leather watch snug against"
6"The scent of aged whiskey"
7"The walls were lined with"
8"She scanned the room, her"
9"A shadow slipping past the"
10"Harlow didn’t hesitate."
11"She moved with military precision,"
12"The bookshelf at the far"
13"She’d heard rumors about The"
14"The air here was thicker,"
15"The corridor twisted, descending into"
16"The rain’s drumming faded, replaced"
17"Harlow’s pulse quickened."
18"This wasn’t just a back"
19"This was a descent."
ratio0.806
97.09% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences103
matches
0"Now, she saw the truth"
1"Before him loomed a figure"
ratio0.019
65.22% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences46
technicalSentenceCount5
matches
0"She moved with military precision, weaving between tables, her hand resting on the holster at her hip."
1"He was talking to a woman draped in a cloak of raven feathers, her fingers tracing the edge of a bone token."
2"The tunnel sloped downward, the gas lamps giving way to torches that flickered with an eerie blue flame."
3"The suspect stood at its center, his back to her, his hands raised as if in surrender."
4"And standing in the tunnel’s mouth, his medallion glinting in the blue flame, was Tomás."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"he mouthed (mouth)"
dialogueSentences5
tagDensity0.2
leniency0.4
rawRatio1
effectiveRatio0.4
84.4101%