Run: 2026-10-13-01M4TP7SX13JPJAV16GB20G377

Run Details

Duration:
55.2s
Cost:
$0.065226
Provider:
Fireworks

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 over Soho had thinned to a patient drizzle, the kind that soaked through a coat collar by degrees and made the neon bleed. Green light from the sign above the Raven's Nest smeared itself across the pavement in long, wavering strokes, and Detective Harlow Quinn watched it from a doorway across the street, a paper cup of coffee gone cold in her hand. Eleven nights she had stood in doorways like this one. Eleven nights of watching the clique drift in and out of Silas's bar — the same faces, the same cautious glances, the same choreography of people who believed themselves unobserved. Quinn had eighteen years of decorated service behind her and a sharp jaw that had forgotten how to unclench, and she knew a criminal enterprise when she watched one breathe. At half past midnight, the door opened and Tomás Herrera stepped out into the rain. She knew him from the file. Twenty-nine, Seville-born, struck off the medical register three years back for reasons the NHS had buried under bureaucratic language. He turned his collar up, and the streetlight caught the small medallion at his throat and the olive tone of his skin, his dark curls already flattening under the drizzle. He walked north without hurry, and Quinn dropped her cup into a bin and followed. She was good at this. She kept him in shop windows and wing mirrors, gave him forty metres, let the rain be her excuse to walk with her head down. He never looked back. That should have reassured her. Instead it put a cold finger along her spine, because people who never looked back were usually counting reflections instead. Somewhere past Tottenham Court Road he changed. His stride lengthened. He stopped window-shopping his own safety and simply moved, quick and fluid, cutting through an alley she couldn't enter without announcing herself. She gave it ten seconds, then followed, and came out onto a side street in time to see him check over his shoulder — finally, deliberately — and find her. His eyes went wide. Then he ran. Quinn ran too, cold coffee sloshing acid in her gut, her boots hammering the wet pavement. "Herrera! Police!" It was theatre and they both knew it; she had no grounds, no warrant, nothing but eighteen years of instinct screaming that this man and his friends were wrapped around something rotten. He was faster than his file suggested. He took the corner onto Camden High Street with his hand trailing along the brick, and she lost ground on the turn, her heel skidding on a slick of wet leaves. The street was shuttered and nearly empty, a gospel of chicken-shop light and rain. He dodged a night bus, and she lost four seconds to its hissing bulk, and when the road cleared he was veering left — toward the old station, the one that had been boarded and hoarded for as long as she'd policed this patch. Except the hoarding door stood open. She caught up to him at the threshold, close enough to grab a fistful of his jacket, close enough to feel the ridge of the scar along his left forearm under the wet fabric as he twisted. He wrenched free with a strength that surprised her, and something small and pale spilled from his pocket and clattered across the pavement. He lunged for it — she was nearer — and he made a calculation she could watch him make, jaw working, and then he abandoned it and plunged through the door. Quinn stooped and closed her fist around the thing. Bone. A token of carved bone, no bigger than a poker chip, warm as if it had been held for hours. Inside the doorway, stairs went down. A man stood at the top of them, and calling him a man was a courtesy her eyes kept trying to retract. He was too tall, folded into a dark coat, and when he looked at her his eyes caught the light the way a dog's do. "Herrera," she called down the stairwell. Her voice came back wrong, eaten by the dark. She thumbed her radio. "Control, this is DI Quinn, in foot pursuit of a suspect, requesting units to—" Static. She tried again and got a wash of white noise that might, underneath, have been someone speaking very far away. She looked at her watch. The worn leather strap was dark with rain; the second hand swept on, indifferent. Backup, if the call had gone out at all, was fifteen minutes away and would find a hoarding, a locked door, nothing. And here was the decision, naked as decisions ever got. Morris had made one like it three years ago, on a night the report described in sentences no senior officer would initial. Her partner had gone down into a place he shouldn't have gone, following something the file called a person of interest and the evidence called impossible, and what came back up had died in St Thomas's four days later without ever waking. Nobody had explained it. Nobody had tried very hard. Quinn had been a detective for eighteen years. She knew that some doors you walked around your whole career, and that the walking-around was the cowardice you learned to call procedure. She showed the tall thing the bone token. It studied her a long moment, then stood aside. The stairs went down further than the old station's depth allowed. She knew that with the part of her brain that had once measured crime scenes, and she refused to listen to it. The tiled corridors were warm — wrong for November, wrong for underground — and smelled of smoke and something sweet and resinous, and the light came from lamps that burned without flame. Her radio died entirely. Her phone showed no signal and a clock that disagreed with her watch by an hour. Then the corridor opened, and Quinn stopped walking. The platform hall stretched away under its vaulted tiles, and it was full. Stalls jammed the platform edge and the old track bed, strung with lanterns, heaped with goods her eyes kept sliding off. Jars of pale liquid in which things turned slowly, unhurried by gravity. Bundles of herbs that whispered. A woman behind a folding table selling what she announced, in a bored market-trader's singsong, as names — true ones, going cheap, only a year each. Bottled light. Knives with edges that moved. Two men haggling over a stopwatch whose hands ran backwards, and nearby a stallholder complaining to no one that the whole blessed market had to shift again at the full moon and his back wasn't what it was. This was what Morris had died on the edge of. The thought arrived quietly, the way the worst ones did. Not a gang. Not a drug ring. This. Quinn made her face do what it did at scenes — flat, professional, unimpressed — and walked into the crowd, hunting dark curls and a medallion. Nobody stopped her. A few looked at her too long, and she understood that her coat and her haircut and her way of occupying space said police as plainly as a warrant card, and that the market tolerated her the way a river tolerates a stone. She found Herrera at the far end of the platform, or he found her. He stepped out from between two stalls with his hands loose at his sides, no fear in his warm brown eyes, only a kind of weary urgency. "You're cut, Detective." He nodded at her right hand. She looked down. The token's edge had opened her palm when she'd snatched it up, and blood ran in a thin line to her wrist. "There's a vein there you'll want to keep. Let me—" "Stay where you are." She put her weight into it, eighteen years of it. "Tomás Herrera, you will turn around and place your hands—" "On what?" He didn't move. His Seville accent softened the consonants, and there was a medic's patience under it, the calm of a man who had held strangers together with his hands. "You've no jurisdiction here. You've no idea where here is. And you're bleeding on a floor that some of these people would pay to taste." He glanced past her, and his face tightened. "Listen to me. I ran because you were watching the Nest, and I cannot afford questions. But you — you should not have followed. This market eats curiosity." "People in my custody say things like that." Her voice stayed level. Her heart did not. "My partner died three years ago following someone into a place like this. So you'll understand why I'm past caring about the menu." Something crossed his face then. Not guilt. Recognition, almost. "Morris," he said. The name hit her like a hand to the sternum. She had not said it. It was not in any file that should have reached him. "The tall one at the door is coming," Herrera said, softer now. "He lets you in on a token. He does not let you linger on it. Go home, Detective Quinn. Or stay, and learn what your partner learned — but understand the price of information here is never money." She looked where he looked. The tall shape was moving through the crowd, unhurried, and the crowd was folding itself out of his way like water. When she turned back, Tomás Herrera was gone. Not running. Gone, the way a card is gone from a magician's hand, and the space he'd occupied held only lamplight and rain-smell and a stall selling clocks. The tall thing was twenty metres away. Fifteen. Quinn closed her bleeding hand around the bone token, felt its impossible warmth pulse once, like something with a heartbeat of its own, and walked — did not run, would not run — back up the corridor, up the stairs, past a doorway where the tall thing no longer stood, out into the Camden rain. The night had barely moved. Her watch said ten past one. She stood on the pavement breathing steam, the green of some distant sign in her eyes, and looked at the token in her bloody palm, and at the closed hoarding door that would not, she was suddenly certain, open for anyone else tonight. Morris had been here. Morris had bought or sold or begged something in that hall, and it had killed him by inches four days later, and the file had been sealed by people who knew exactly what they were sealing. Quinn put the token in her pocket, wiped her hand on her coat, and started the long walk back toward Soho. She had eleven nights of nothing behind her and, now, one night of everything. The case was no longer the clique. It had never been the clique. She would be back at the full moon. She already knew it, the way she knew the weight of her own watch strap, the way she knew her partner's voice. The only question the rain left her was whether she'd go down as a detective — or as a customer.
created_at"2026-10-13T13:11:42.255Z" 10/13/2026, 1:11:42 PM
model"fireworks/ember-1-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency657
moderation_latency(null)
generation_time55124
tokens_prompt888
tokens_completion4734
native_tokens_prompt912
native_tokens_completion4166
native_tokens_completion_images(null)
native_tokens_reasoning1888
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(null)
usage0.065226
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791897102-eJBFmrFJemecSAhbNjLh"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791897102-85gGW2YGoM1oiTqFqo80"
upstream_id"chatcmpl-2b8a07dbef5d48e289cbac3b5deb7b5d"
provider_responses
0
endpoint_id"b89a2f05-4051-4446-a9b0-7bc8ae7b7c90"
id"chatcmpl-2b8a07dbef5d48e289cbac3b5deb7b5d"
is_byokfalse
latency657
model_permaslug"fireworks/ember-1-20260923"
provider_name"Fireworks"
status200
total_cost0.065226
cache_discount(null)
upstream_inference_cost0
provider_name"Fireworks"
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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
totalTags9
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.6
leniency1
rawRatio0
effectiveRatio0
86.45% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1845
totalAiIsmAdverbs5
found
0
adverb"deliberately"
count1
1
adverb"very"
count2
2
adverb"slowly"
count1
3
adverb"suddenly"
count1
highlights
0"deliberately"
1"very"
2"slowly"
3"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)
83.74% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1845
totalAiIsms6
found
0
word"wavering"
count1
1
word"measured"
count1
2
word"weight"
count2
3
word"warmth"
count1
4
word"pulse"
count1
highlights
0"wavering"
1"measured"
2"weight"
3"warmth"
4"pulse"
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
narrationSentences115
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences115
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences120
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen53
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1861
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions40
wordCount1684
uniqueNames21
maxNameDensity0.59
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Soho2
Raven1
Nest1
Detective1
Harlow1
Quinn10
Silas1
Tomás2
Herrera4
Seville-born1
Tottenham1
Court1
Road1
Camden2
High1
Street1
St1
Thomas1
November1
Morris4
Seville2
persons
0"Raven"
1"Nest"
2"Harlow"
3"Quinn"
4"Silas"
5"Tomás"
6"Herrera"
7"Thomas"
8"November"
9"Morris"
places
0"Soho"
1"Seville-born"
2"Tottenham"
3"Court"
4"Road"
5"Camden"
6"High"
7"Street"
8"St"
9"Seville"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1861
matches(empty)
83.33% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount3
totalSentences120
matches
0"screaming that this"
1"knew that some"
2"understood that her"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs40
mean46.53
std27.87
cv0.599
sampleLengths
065
170
215
370
459
562
67
788
858
96
1091
1130
1253
1354
1441
1583
1631
1717
1885
198
20122
2128
2272
2341
2444
2524
2693
2739
289
293
3026
3150
3226
3336
348
3555
3654
3740
3848
3950
83.91% Passive voice overuse
Target: ≤2% passive sentences
passiveCount7
totalSentences115
matches
0"were wrapped"
1"was shuttered"
2"been boarded"
3"been held"
4"was gone"
5"is gone"
6"been sealed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs282
matches
0"were usually counting"
1"was veering"
2"was folding"
3"were sealing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount14
semicolonCount2
flaggedSentences11
totalSentences120
ratio0.092
matches
0"Eleven nights of watching the clique drift in and out of Silas's bar — the same faces, the same cautious glances, the same choreography of people who believed themselves unobserved."
1"She gave it ten seconds, then followed, and came out onto a side street in time to see him check over his shoulder — finally, deliberately — and find her."
2"\"Herrera! Police!\" It was theatre and they both knew it; she had no grounds, no warrant, nothing but eighteen years of instinct screaming that this man and his friends were wrapped around something rotten."
3"He dodged a night bus, and she lost four seconds to its hissing bulk, and when the road cleared he was veering left — toward the old station, the one that had been boarded and hoarded for as long as she'd policed this patch."
4"He lunged for it — she was nearer — and he made a calculation she could watch him make, jaw working, and then he abandoned it and plunged through the door."
5"The worn leather strap was dark with rain; the second hand swept on, indifferent."
6"The tiled corridors were warm — wrong for November, wrong for underground — and smelled of smoke and something sweet and resinous, and the light came from lamps that burned without flame."
7"A woman behind a folding table selling what she announced, in a bored market-trader's singsong, as names — true ones, going cheap, only a year each."
8"Quinn made her face do what it did at scenes — flat, professional, unimpressed — and walked into the crowd, hunting dark curls and a medallion."
9"Quinn closed her bleeding hand around the bone token, felt its impossible warmth pulse once, like something with a heartbeat of its own, and walked — did not run, would not run — back up the corridor, up the stairs, past a doorway where the tall thing no longer stood, out into the Camden rain."
10"The only question the rain left her was whether she'd go down as a detective — or as a customer."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1677
adjectiveStacks0
stackExamples(empty)
adverbCount58
adverbRatio0.0345855694692904
lyAdverbCount16
lyAdverbRatio0.009540846750149075
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences120
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences120
mean15.51
std11.96
cv0.771
sampleLengths
025
140
210
330
430
515
66
719
830
915
105
1125
124
135
1420
157
163
1722
1830
194
203
2116
2234
237
2431
2514
2644
276
2837
2923
3031
319
321
3320
346
3522
3625
376
389
394
4015
4120
425
4314
4422
4510
4622
4742
484
495
53.89% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.38333333333333336
totalSentences120
uniqueOpeners46
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences106
matches
0"Instead it put a cold"
1"Somewhere past Tottenham Court Road"
2"Then he ran."
3"Then the corridor opened, and"
ratio0.038
35.09% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount49
totalSentences106
matches
0"She knew him from the"
1"He turned his collar up,"
2"He walked north without hurry,"
3"She was good at this."
4"She kept him in shop"
5"He never looked back."
6"His stride lengthened."
7"He stopped window-shopping his own"
8"She gave it ten seconds,"
9"His eyes went wide."
10"It was theatre and they"
11"He was faster than his"
12"He took the corner onto"
13"He dodged a night bus,"
14"She caught up to him"
15"He wrenched free with a"
16"He lunged for it —"
17"He was too tall, folded"
18"she called down the stairwell"
19"Her voice came back wrong,"
ratio0.462
49.62% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount87
totalSentences106
matches
0"The rain over Soho had"
1"Quinn had eighteen years of"
2"She knew him from the"
3"He turned his collar up,"
4"He walked north without hurry,"
5"She was good at this."
6"She kept him in shop"
7"He never looked back."
8"That should have reassured her."
9"His stride lengthened."
10"He stopped window-shopping his own"
11"She gave it ten seconds,"
12"His eyes went wide."
13"Quinn ran too, cold coffee"
14"It was theatre and they"
15"He was faster than his"
16"He took the corner onto"
17"The street was shuttered and"
18"He dodged a night bus,"
19"She caught up to him"
ratio0.821
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences106
matches(empty)
ratio0
19.70% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences58
technicalSentenceCount10
matches
0"Eleven nights of watching the clique drift in and out of Silas's bar — the same faces, the same cautious glances, the same choreography of people who believed t…"
1"Quinn had eighteen years of decorated service behind her and a sharp jaw that had forgotten how to unclench, and she knew a criminal enterprise when she watched…"
2"Quinn ran too, cold coffee sloshing acid in her gut, her boots hammering the wet pavement."
3"He took the corner onto Camden High Street with his hand trailing along the brick, and she lost ground on the turn, her heel skidding on a slick of wet leaves."
4"He wrenched free with a strength that surprised her, and something small and pale spilled from his pocket and clattered across the pavement."
5"She tried again and got a wash of white noise that might, underneath, have been someone speaking very far away."
6"Her phone showed no signal and a clock that disagreed with her watch by an hour."
7"His Seville accent softened the consonants, and there was a medic's patience under it, the calm of a man who had held strangers together with his hands."
8"She stood on the pavement breathing steam, the green of some distant sign in her eyes, and looked at the token in her bloody palm, and at the closed hoarding do…"
9"Morris had bought or sold or begged something in that hall, and it had killed him by inches four days later, and the file had been sealed by people who knew exa…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags9
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount0
fancyTags(empty)
dialogueSentences15
tagDensity0.133
leniency0.267
rawRatio0
effectiveRatio0
83.1913%