Run: 2026-07-25-01KYD5CQPVZNJAPDXMN65TS5WT

Run Details

Duration:
23.7s
Cost:
$0.012289
Provider:
Meta

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 had turned Soho's gutters into black mirrors. Harlow Quinn stood under the awning of a closed dry cleaner, hands in the pockets of her waterproof, watching the green neon sign across the street stutter over the mouth of an alley. The Raven's Nest. The sign buzzed and threw sickly green light across the wet cobbles, catching the edges of old maps and black-and-white photographs through the bar's front window. To any drunk tourist it was just another dive. To Quinn, after six months of surveillance logs and dead-end warrants, it was the front door to half the off-books crime in London. Her left wrist itched under the worn leather strap of her watch. 23:17. Old habit pulled her sleeve back half an inch to check, military precision she couldn't shake even out of uniform. The back exit cut open and two men stepped out. She knew the taller one. Silas Vane, owner of the Nest. The other was younger, olive skin gone pale in the neon, short curly dark brown hair plastered to his forehead by the rain. Tomás Herrera. Former paramedic, struck off for treating patients the NHS didn't have paperwork for. Off-the-books medical for whoever bled in Silas's hidden back room. Quinn had a photo of that room taped to her case wall. The bookshelf that swung inward. Herrera said something to Silas, touching the Saint Christopher medallion at his neck, then tugged his collar up and started walking fast toward Shaftesbury. Silas went back inside. Quinn pushed off the wall. She gave him thirty feet before she followed. Rain needled her closely cropped salt-and-pepper hair and ran down the sharp line of her jaw. Eighteen years on the Met had taught her how to tail without being made — not too close, never the same side of the street for long, using reflections in shop windows — but Herrera was jumpy. He checked over his shoulder twice before Greek Street. He knew. Quinn dropped the pretense and pulled her warrant card as she stepped into the middle of the pavement. "Tomás Herrera! Metropolitan Police! Stop right there!" He bolted. "Shit," Quinn breathed. He cut left down an alley too narrow for a car, feet slapping through puddles. She went after him, boots hammering, brown eyes locked on the sway of his dark jacket. Rain slicked the bricks. He knocked over a stack of crates outside a kitchen door and she vaulted them, shoulder clipping the wall, bearing down. He was faster than she expected. Five-ten and lean and twenty-nine to her forty-one. But he was scared and she was angry, and anger had longer legs. They burst onto Charing Cross Road, traffic hissing past in sheets of spray. Buses dragged walls of water behind them. Herrera didn't break stride. He sprinted straight across, nearly clipped by a black cab that laid on its horn, and Quinn followed with a shout and a raised hand that the cab ignored. "Police! Stop him!" Nobody stopped. He ducked down into Leicester Square tube, and for half a second she thought he was stupid enough to try to lose her on the platforms. She took the stairs two at a time, rainwater streaming off her coat onto the tiles. Her watch ticked loud against her wrist. The Northern line crowds were thin. Herrera wasn't trying for a train. He shoved through the barriers, vaulted a decommissioned service gate that said NO ENTRY - STAFF ONLY, and disappeared down a service stairwell that smelled of damp concrete and old electricity. Quinn swore, flashed her card at the station attendant who was already opening his mouth to protest, and went in after him. The lights got worse the lower she went. Bare bulbs every twenty feet, half of them dead. The sound of the Underground thinned until it was just the drip of water and her own breath and Herrera's footsteps echoing ahead. At the bottom, a rusted door hung ajar. Cold air came through it that had no business being cold this far from the surface. Cold that bit the lungs. She pushed it and stepped out onto a platform that wasn't on any map. It was Camden. It had to be — the curved Victorian tilework, the faded roundel half-covered in graffiti. But this station had been bricked up since the seventies. Abandoned Tube station beneath Camden, boarded and flooded and forgotten. Only it wasn't abandoned now. Strings of bare lanterns had been hung from the tracks' ceiling, swaying. Stalls made of tarpaulin and reclaimed Tube benches stretched down both platforms, crowding the space where trains should have been. The air smelled of ozone and incense and wet iron and something sweet and rotten, like bad meat left in a fridge full of perfume. People — if you could call all of them people — walked between the stalls. A woman with a fox's shadow regardless of the light. A man whose coat moved when he didn't. Tables laid with jars that held light, with knives that hummed, with bundles of dried things that twitched. The Veil Market. Quinn had heard the name in whispers on wiretaps. Heard it laughed off, then said again quieter. A hidden supernatural black market that sells enchanted goods, banned alchemical substances, information. Moves every full moon. She had written in her notebook: myth, misdirection, clique storytelling. Evidence of conspiracy not fantasy. Her notebook was in her pocket right now, useless. Herrera stood twenty feet ahead on the edge of the tracks, chest heaving, one hand braced on his left forearm where a long pale scar ran from elbow to wrist. His warm brown eyes were fixed not on her but on a figure standing between two stalls — a woman in a waxed coat holding out a palm. In her palm sat a small disc of yellowed bone. Entry requirement. Bone token. Herrera's voice was ragged. "Por favor. Por favor, let me through. She's following." The woman looked past him, straight at Quinn, and smiled with too many teeth. Every rational part of Harlow Quinn's brain, the part that had filled out forms in triplicate and done firearms recertification and stood at DS Morris's funeral while the bagpipes played, told her to get her radio out. To call it in. To not step one foot further onto those tracks because this was obviously, dangerously off-book and outside jurisdiction and three years ago Morris had gone down into something just like this, chasing a lead everyone else said wasn't there, and had come out on a slab with his eyes milky white and no cause of death they could put on paper. The same cold she felt now had been in that morgue. Herrera turned. Saw her. And his face broke. "Detective, don't," he said in English thick with Seville, heavy breathing. "You don't know what this place is. You don't want to know. Go back." It should have been a threat. It wasn't. The hand on his forearm tightened. The Saint Christopher medallion glinted under the lanterns, the patron saint of travelers, of people who carry others across dangerous water. He was scared for her. Quinn felt rainwater drip from the end of her nose onto her lip. Her heart hammered against her ribs, loud as the old watch. She thought of the maps on the walls of the Raven's Nest. Thought of the hidden back room behind the bookshelf where they took things that bled but didn't die right. Thought of the case board with six degrees of separation all pointing back to Silas Vane's bar and the people who walked in and out of it like they owned the night. If she let Herrera go, she lost the thread. Again. Like with Morris. If she followed — The woman with the bone token tilted her head. Waiting. Quinn stepped off the platform and down onto the tracks. The gravel crunched wrong under her boots. Too soft. The woman's smile widened. "One bone to enter, love. Or one owed. How do you want to pay?" "I have a warrant card and a bad mood," Quinn said, and her voice came out steady despite the cold burning her throat. "I've got cause to search these premises and arrest a suspect for obstruction. Move." Herrera made a sound like a laugh that wanted to be a sob. "Dios. She really doesn't know." "She'll learn," the gate-woman said, but she stepped aside anyway, letting the token disappear into her fist. Perhaps a cop leaning into the unknown counted as something. Perhaps Quinn's ignorance was its own currency. The market swallowed them. Lanterns swung overhead. Conversations went quiet as Quinn pushed through, military precision in every step even as the ground seemed to shift under her, keeping her brown eyes locked on Herrera's back. He wasn't running now. He was walking fast through a crowd that parted for him, for her, for whatever deal had just been struck. "Stop, Tomás!" she shouted, and her voice echoed off tile that shouldn't be hearing voices anymore. He stopped at a stall near the end of the platform where a tarp covered something shape-lumped and breathing. He turned to face her fully, hands raised, olive skin shining with rain and sweat, the scar on his arm white. "Okay," he said. "Okay, Detective Quinn, you want me? I'm here. But you need to listen. You cannot arrest your way out of this station. You have to —" Quinn was already reaching for the cuffs on her belt. Her left wrist, with the worn leather watch, caught the lantern light. "You can give me your speech on the way up. Tomás Herrera, I'm arresting you on suspicion of conspiracy to supply —" A bell rang somewhere deep in the tunnel, a low, brassy toll that vibrated in her teeth. Every light in the market went out.
created_at"2026-07-25T17:32:59.489Z" 7/25/2026, 5:32:59 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6357
moderation_latency(null)
generation_time23610
tokens_prompt888
tokens_completion2388
native_tokens_prompt957
native_tokens_completion2610
native_tokens_completion_images0
native_tokens_reasoning527
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"completed"
service_tier"auto"
usage0.01228875
router(null)
provider_responses
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endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f34d43086501d73b476a"
is_byokfalse
latency1867
model_permaslug"meta/muse-spark-1.1-20260709"
provider_name"Meta"
status200
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api_type"completions"
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upstream_id"resp_6a64f34d43086501d73b476a"
total_cost0.01228875
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.467
leniency0.933
rawRatio0
effectiveRatio0
96.95% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1637
totalAiIsmAdverbs1
found
0
adverb"really"
count1
highlights
0"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)
84.73% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1637
totalAiIsms5
found
0
word"streaming"
count1
1
word"footsteps"
count1
2
word"echoing"
count1
3
word"echoed"
count1
4
word"vibrated"
count1
highlights
0"streaming"
1"footsteps"
2"echoing"
3"echoed"
4"vibrated"
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
emotionTells3
narrationSentences128
matches
0"was scared"
1"was angry"
2"was scared"
87.05% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount2
narrationSentences128
filterMatches
0"watch"
hedgeMatches
0"try to"
1"seemed to"
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
maxSentenceWordsSeen62
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1645
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions73
wordCount1511
uniqueNames31
maxNameDensity1.13
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Soho1
Quinn17
Raven2
Nest3
London1
Vane2
Herrera12
Silas5
Saint2
Christopher2
Shaftesbury1
Met1
Greek1
Street1
Charing1
Cross1
Road1
Leicester1
Square1
Northern1
Underground1
Camden2
Victorian1
Tube2
Stalls1
Veil1
Market1
Harlow2
Morris3
English1
Seville1
persons
0"Quinn"
1"Raven"
2"Vane"
3"Herrera"
4"Silas"
5"Saint"
6"Christopher"
7"Met"
8"Underground"
9"Camden"
10"Market"
11"Harlow"
12"Morris"
places
0"Soho"
1"London"
2"Shaftesbury"
3"Greek"
4"Street"
5"Charing"
6"Cross"
7"Road"
8"Leicester"
9"English"
10"Seville"
globalScore0.937
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences90
glossingSentenceCount1
matches
0"cause this was obviously, dangerously off-bo"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.608
wordCount1645
matches
0"not on her but on a figure standing between two stalls"
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
totalParagraphs59
mean27.88
std24.2
cv0.868
sampleLengths
09
194
233
310
459
517
628
75
870
92
1025
112
123
1356
1427
1553
163
172
1849
1943
2022
2148
2221
2314
2443
2557
2651
273
2849
299
3058
3110
324
3313
3414
35102
3611
378
3825
3935
405
4187
4213
434
4410
4510
469
4718
4837
4918
91.56% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences128
matches
0"being made "
1"been bricked"
2"been hung"
3"was scared"
4"been struck"
65.59% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount5
totalVerbs248
matches
0"wasn't trying"
1"was already opening"
2"wasn't running"
3"was walking"
4"was already reaching"
17.73% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount8
semicolonCount0
flaggedSentences6
totalSentences137
ratio0.044
matches
0"Eighteen years on the Met had taught her how to tail without being made — not too close, never the same side of the street for long, using reflections in shop windows — but Herrera was jumpy."
1"He shoved through the barriers, vaulted a decommissioned service gate that said NO ENTRY - STAFF ONLY, and disappeared down a service stairwell that smelled of damp concrete and old electricity."
2"It had to be — the curved Victorian tilework, the faded roundel half-covered in graffiti."
3"People — if you could call all of them people — walked between the stalls."
4"His warm brown eyes were fixed not on her but on a figure standing between two stalls — a woman in a waxed coat holding out a palm."
5"If she followed —"
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount844
adjectiveStacks0
stackExamples(empty)
adverbCount17
adverbRatio0.02014218009478673
lyAdverbCount7
lyAdverbRatio0.008293838862559242
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
mean12.01
std9.39
cv0.782
sampleLengths
09
133
23
326
49
523
612
71
820
910
105
116
1223
132
1413
1510
1612
175
1824
194
205
218
2216
2337
249
252
2618
277
282
293
3015
3116
324
3321
346
358
3613
3713
387
394
4029
413
422
4326
4416
457
466
476
4831
4922
61.76% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats16
diversityRatio0.4411764705882353
totalSentences136
uniqueOpeners60
88.50% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences113
matches
0"Only it wasn't abandoned now."
1"Perhaps a cop leaning into"
2"Perhaps Quinn's ignorance was its"
ratio0.027
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences113
matches
0"Her left wrist itched under"
1"She knew the taller one."
2"She gave him thirty feet"
3"He checked over his shoulder"
4"He cut left down an"
5"She went after him, boots"
6"He knocked over a stack"
7"He was faster than she"
8"They burst onto Charing Cross"
9"He sprinted straight across, nearly"
10"He ducked down into Leicester"
11"She took the stairs two"
12"Her watch ticked loud against"
13"He shoved through the barriers,"
14"She pushed it and stepped"
15"It was Camden."
16"It had to be —"
17"She had written in her"
18"Her notebook was in her"
19"His warm brown eyes were"
ratio0.274
79.47% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount86
totalSentences113
matches
0"The rain had turned Soho's"
1"Harlow Quinn stood under the"
2"The Raven's Nest."
3"The sign buzzed and threw"
4"Her left wrist itched under"
5"The back exit cut open"
6"She knew the taller one."
7"Silas Vane, owner of the"
8"The other was younger, olive"
9"Quinn had a photo of"
10"The bookshelf that swung inward."
11"Herrera said something to Silas,"
12"Silas went back inside."
13"Quinn pushed off the wall."
14"She gave him thirty feet"
15"Rain needled her closely cropped"
16"He checked over his shoulder"
17"Quinn dropped the pretense and"
18"He cut left down an"
19"She went after him, boots"
ratio0.761
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount6
totalSentences113
matches
0"To any drunk tourist it"
1"To Quinn, after six months"
2"To call it in."
3"To not step one foot"
4"If she let Herrera go,"
5"If she followed —"
ratio0.053
72.60% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences61
technicalSentenceCount6
matches
0"He shoved through the barriers, vaulted a decommissioned service gate that said NO ENTRY - STAFF ONLY, and disappeared down a service stairwell that smelled of …"
1"Cold air came through it that had no business being cold this far from the surface."
2"A hidden supernatural black market that sells enchanted goods, banned alchemical substances, information."
3"Every rational part of Harlow Quinn's brain, the part that had filled out forms in triplicate and done firearms recertification and stood at DS Morris's funeral…"
4"The Saint Christopher medallion glinted under the lanterns, the patron saint of travelers, of people who carry others across dangerous water."
5"A bell rang somewhere deep in the tunnel, a low, brassy toll that vibrated in her teeth."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount0
matches(empty)
16.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount2
fancyTags
0"Quinn breathed (breathe)"
1"she shouted (shout)"
dialogueSentences15
tagDensity0.4
leniency0.8
rawRatio0.333
effectiveRatio0.267
88.1977%