Run: 2026-09-03-01M1K5HEGH7MGAAE7MGFEZD4CG

Run Details

Duration:
24.5s
Cost:
$0.013768
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 into a mirror. Harlow Quinn kept to the awning line on Old Compton Street, shoulders squared, hands in the pockets of her rain jacket, and watched the green neon sign of The Raven's Nest bleed down the wet pavement. Silas' bar was dead at this hour on a Tuesday. The windows were dark, the maps and photographs on the walls inside just shadows behind the glass. She had watched Tomás Herrera go in twenty minutes ago and not come out the front. She checked the worn leather watch on her left wrist. 23:14. The strap was soft with age and left a pale band on her skin when she pushed it up to see it better. She knew the layout. The Nest had a hidden back room accessible through a bookshelf. She'd never had a warrant to see it, only whispers from informants and eighteen years of learning when a room wasn't telling the truth. Men like Herrera went into the Raven and didn't come back out the same way unless there was another door. Her radio crackled low against her hip. She turned it down. A door slammed somewhere to her left, not the front of the bar, but the narrow service alley that ran behind it. Quinn moved with military precision, three quick steps to the corner and a stop with her back against brick, breathing even. Herrera came out of the alley at a trot, hood up. Even in the rain and the dark she knew him. Five-ten, olive skin, short curly dark brown hair plastered flat by the weather. He moved like a man who was trying not to run. Quinn let him get ten feet past before she stepped out. "Tomás Herrera?" He flinched. His head snapped around and his warm brown eyes found hers. For a half second she saw the shock register, then calculation. "Detective Quinn," he said. "Stop where you are. Hands where I can see them." He didn't. He looked over his shoulder toward Charing Cross Road, then back at her, and Quinn saw his left hand flex. The scar running along his left forearm stood pale against his skin even in the dim light, a thick rope from a knife attack that had cost him more than blood. Around his neck, the Saint Christopher medallion caught the green from the Nest's sign. "You don't want to do this," he said. Quinn took a step closer, water sluicing off her closely cropped salt-and-pepper hair and down the sharp line of her jaw. At five-nine she had an inch on him, and she used it. "I've got questions about where you've been and who you've been treating. Off-the-books medical care gets interesting when your patients don't show up on any NHS record." Herrera's mouth tightened. "I don't treat anyone anymore. You know that. I lost my license." "Yeah. For administering unauthorized treatments to patients who probably weren't entirely human. That's the bit that interests me." Something flickered behind him. A bus hissed past and threw spray across their legs. Herrera used the noise to move. He ran. Quinn swore and went after him. He was fast. Former paramedic fast, the kind of fast you got from running through estates with a kit bag at three in the morning. He cut hard left onto Greek Street, shoes slapping puddles, hood flying back. Quinn ran with her arms tight, jacket snapping, lungs burning cold air. The rain stung her brown eyes and she didn't blink it away. "Stop! Police!" He didn't stop. He vaulted a stack of milk crates outside a shuttered restaurant and kept going. Quinn followed, her knee twinging, clipping the top crate and sending it skittering. Three years ago DS Morris would have been on the other end of the street to cut him off. The thought came unbidden and sharp. Morris, gone on a call just like this, rain just like this, circumstances she still couldn't make sit straight in a report. Unexplained. That word had sat in the file for three years and rotted. She pushed harder. Herrera cut through a mews, ducked under a scaffolding, and came out onto the main road where the traffic thinned. He glanced back, saw she was still with him, and changed direction north. Toward Camden. Quinn got on her radio as she ran. "Quinn to dispatch, foot pursuit northbound from Soho, suspect male, dark hair, olive skin, Saint Christopher medallion, scar left forearm, heading toward Camden." The dispatcher crackled back but the wind tore the words. Herrera wasn't trying to lose her in the West End. He wasn't ducking into doorways. He was heading somewhere specific. Quinn knew a guilty run from a purposeful one, and this was purposeful. He wanted to get to ground. The streets opened as they left Soho for the long straight drag up to Camden Town. Neon gave way to shuttered shops and the slick black mouths of alleyways. The rain came harder, needling her scalp, soaking through her jacket to her shoulders. Her breath sawed. Herrera's did too, but he didn't slow. He hit Camden High Street and cut east, past the lock, past the shuttered stalls. Quinn saw where he was going a second before he got there. The old entrance to the abandoned Tube station, bricked up since the seventies, fenced off with corrugated iron and a council sign that said DANGER - KEEP OUT in letters half washed away. Herrera hit the fence at speed. He didn't climb it. He slipped through where a sheet had been pulled back just enough for a man to squeeze through sideways. Quinn was thirty feet behind him when he vanished into the dark beyond. She reached the gap and stopped, one hand on the cold, wet iron, chest heaving. The station beyond was a throat of black. Rain drummed on the metal over her head. She could hear Herrera's footsteps echoing down concrete stairs. She shone her torch through. Cracked tiles, a faded roundel, stairs going down into deeper dark. A smell came up, damp stone and ozone and something else underneath, sweet and metallic, like banned alchemical substances left open in the air. She knew what this place was, or what it was supposed to be. The Veil Market. The chatter from her informants had described it for months. A hidden supernatural black market that sold enchanted goods and information. Moves locations every full moon. Today's moon was fat and yellow behind the clouds, and the Market's current location was supposed to be the abandoned Tube station beneath Camden. Entry required a bone token. Quinn pulled the fence back and stepped through. Her shoes crunched on broken glass. She kept her torch low. At the top of the stairs a figure waited. Herrera had stopped. He was bent over with his hands on his knees, breathing hard, water dripping from his curly hair down his neck to the medallion. "You don't have a token," he said without looking up. His voice echoed. "You can't come down there." "Then you shouldn't either." He straightened. His warm brown eyes were earnest now, not scared. "You think this is about drugs? About my clinic? Harlow, you don't understand what you're chasing. The clique you think is running pills, they're not -" "Save it," Quinn said. She took two steps down. The air got colder with each one. From far below came noise. Not Tube noise. Voices. Many voices, low and overlapping, and a flicker of amber light that had no business being on in a station with no power. Herrera saw her look. "That's the Market. You go down there without protection, without an invitation, they will see you. And they will not like a Metropolitan Police detective with eighteen years of decorated service writing their names down." Quinn's jaw tightened, the sharp line of it set hard. "You lost your license for treating them. You go down there to get what? Supplies?" "To keep people alive," he said. "The same thing you do." He reached into his pocket and pulled something out. In the torchlight it was pale and smooth. A small disc, carved from bone, etched with a sigil that seemed to shift when she stared at it. A bone token. He held it up, then closed his fist around it. "If I go down, you lose me. If you follow, you go in blind. No backup knows where you are. No one will hear you shout over that crowd." Quinn stared at the token, then at the stairs. The amber light below pulsed. She could hear a laugh, sharp and not quite human, and the clink of glass vials. Her instinct, honed over almost two decades, told her this was the line. Cross it and the file on Morris would stop saying unexplained and start making terrible sense. Stay above and she lost the only thread she had to the clique she'd been hunting for a year. The rain hammered on the iron behind her. The stairs smelled like wet earth and incense. Herrera turned and started down without waiting for her answer, his scarred forearm catching the light as he gripped the rail. Quinn stood at the top of the stairs, water running down her face, her left wrist ticking with the second hand of the worn leather watch. She thought of Morris's empty desk. She thought of the maps on the wall of the Raven's Nest and the room behind the bookshelf that never appeared on any plan. Then she clicked her torch off so it wouldn't mark her, and followed him down into the dark, one precise foot after the other, her hand resting lightly on the rail where his had been.
created_at"2026-09-03T08:18:05.974Z" 9/3/2026, 8:18:05 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3375
moderation_latency(null)
generation_time24492
tokens_prompt888
tokens_completion2360
native_tokens_prompt814
native_tokens_completion3000
native_tokens_completion_images0
native_tokens_reasoning915
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"
usage0.0137675
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423485-O0pAcqaEIr2uR1sBXka9"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423485-2n669VVP75QX24kKqyTs"
upstream_id"resp_6a992d3eda0e7aa8b83f4cb7"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992d3eda0e7aa8b83f4cb7"
is_byokfalse
latency974
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.0137675
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences19
tagDensity0.263
leniency0.526
rawRatio0
effectiveRatio0
96.92% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1624
totalAiIsmAdverbs1
found
0
adverb"lightly"
count1
highlights
0"lightly"
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)
78.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1624
totalAiIsms7
found
0
word"flickered"
count1
1
word"footsteps"
count1
2
word"echoing"
count1
3
word"echoed"
count1
4
word"flicker"
count1
5
word"etched"
count1
6
word"pulsed"
count1
highlights
0"flickered"
1"footsteps"
2"echoing"
3"echoed"
4"flicker"
5"etched"
6"pulsed"
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
emotionTells0
narrationSentences125
matches(empty)
97.14% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount1
narrationSentences125
filterMatches
0"watch"
1"look"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences140
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1625
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
totalMentions70
wordCount1383
uniqueNames24
maxNameDensity1.23
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Soho2
Quinn17
Old1
Compton1
Street3
Raven3
Nest4
Tomás1
Herrera13
Charing1
Cross2
Road1
Saint1
Christopher1
Greek1
Morris4
Camden4
West1
End1
Town1
High1
Tube3
Veil1
Market2
persons
0"Quinn"
1"Raven"
2"Nest"
3"Tomás"
4"Herrera"
5"Saint"
6"Christopher"
7"Morris"
8"Market"
places
0"Soho"
1"Old"
2"Compton"
3"Street"
4"Charing"
5"Cross"
6"Road"
7"Greek"
8"Camden"
9"West"
10"End"
11"Town"
12"High"
globalScore0.885
windowScore0.833
64.77% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences88
glossingSentenceCount3
matches
0"sigil that seemed to shift when she stared at it"
1"not quite human, and the clink of glass vials"
2"smelled like wet earth and incense"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.615
wordCount1625
matches
0"not the front of the bar, but the narrow service alley"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences140
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs52
mean31.25
std22.35
cv0.715
sampleLengths
08
179
234
359
411
543
645
711
82
924
104
1110
1267
138
1433
1527
1615
1718
1820
192
206
2162
222
2390
243
2535
2631
2710
2839
2953
3060
3142
3240
3340
3466
355
3619
3736
3818
394
4037
4148
4239
4325
4411
4539
4639
4778
4816
4921
94.04% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences125
matches
0"been pulled"
1"was supposed"
2"was supposed"
3"was bent"
34.71% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs242
matches
0"wasn't telling"
1"was trying"
2"wasn't trying"
3"wasn't ducking"
4"was heading"
5"was going"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences140
ratio0.007
matches
0"The old entrance to the abandoned Tube station, bricked up since the seventies, fenced off with corrugated iron and a council sign that said DANGER - KEEP OUT in letters half washed away."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount480
adjectiveStacks0
stackExamples(empty)
adverbCount15
adverbRatio0.03125
lyAdverbCount4
lyAdverbRatio0.008333333333333333
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences140
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences140
mean11.61
std8.03
cv0.692
sampleLengths
08
136
210
317
416
510
61
723
84
911
1024
1120
127
134
1422
1521
1611
1710
1813
1911
2011
212
222
2311
2411
254
2610
272
2820
2931
3014
318
3221
3312
3427
353
3612
3718
384
3910
406
412
426
433
4422
4513
4612
4712
482
493
47.24% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.33093525179856115
totalSentences139
uniqueOpeners46
29.50% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences113
matches
0"Then she clicked her torch"
ratio0.009
81.95% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount39
totalSentences113
matches
0"She had watched Tomás Herrera"
1"She checked the worn leather"
2"She knew the layout."
3"She'd never had a warrant"
4"Her radio crackled low against"
5"She turned it down."
6"He moved like a man"
7"His head snapped around and"
8"He looked over his shoulder"
9"He was fast."
10"He cut hard left onto"
11"He didn't stop."
12"He vaulted a stack of"
13"She pushed harder."
14"He glanced back, saw she"
15"He wasn't ducking into doorways."
16"He was heading somewhere specific."
17"He wanted to get to"
18"Her breath sawed."
19"He hit Camden High Street"
ratio0.345
30.80% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount97
totalSentences113
matches
0"The rain had turned Soho"
1"Harlow Quinn kept to the"
2"The windows were dark, the"
3"She had watched Tomás Herrera"
4"She checked the worn leather"
5"The strap was soft with"
6"She knew the layout."
7"The Nest had a hidden"
8"She'd never had a warrant"
9"Men like Herrera went into"
10"Her radio crackled low against"
11"She turned it down."
12"A door slammed somewhere to"
13"Quinn moved with military precision,"
14"Herrera came out of the"
15"He moved like a man"
16"Quinn let him get ten"
17"His head snapped around and"
18"He looked over his shoulder"
19"The scar running along his"
ratio0.858
44.25% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences113
matches
0"Even in the rain and"
ratio0.009
87.91% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences65
technicalSentenceCount5
matches
0"Quinn followed, her knee twinging, clipping the top crate and sending it skittering."
1"The old entrance to the abandoned Tube station, bricked up since the seventies, fenced off with corrugated iron and a council sign that said DANGER - KEEP OUT i…"
2"A hidden supernatural black market that sold enchanted goods and information."
3"He was bent over with his hands on his knees, breathing hard, water dripping from his curly hair down his neck to the medallion."
4"Many voices, low and overlapping, and a flicker of amber light that had no business being on in a station with no power."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount0
fancyTags(empty)
dialogueSentences19
tagDensity0.263
leniency0.526
rawRatio0
effectiveRatio0
85.7003%