Run: 2026-10-13-01M4TC4FE4XGDHYP09BBS2K8Q9

Run Details

Duration:
1m 32s
Cost:
$0.096345
Provider:
Fireworks

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <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="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <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> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. 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. </instructions>

Model response

AI
The cordon tape at the street door had already gone slack in the drizzle when Quinn ducked under it. South Kentish Town station. Closed to passengers since 1924, sealed to everyone else since the war, and open this morning to one dead man and the Metropolitan Police. She checked the worn leather watch on her left wrist against the station clock above the hoardings. 4:58. The clock said ten past two and had said it for decades. DC Whitfield waited at the bottom of the emergency stairs, paper suit unzipped to the waist, torch under his chin like a boy at a campfire. "Guv. Male, thirties, no ID, no phone. Found by a graffiti kid who swears blind he touched nothing, which means he touched everything. British Transport want it, but the duty inspector says unexplained, so it's ours till someone loves it." "Cause?" "Overdose, near as I can read it. Belt off, works laid out next to him, spoon, lighter. Broke in, cooked up, died in the dark. And—" Whitfield's torch beam swung across the platform, "—he had company, sort of." A ring of church candles stood along the platform edge, burned to sockets of tallow. Beyond them the body lay on its back between the edge and the old southbound rail, arms arranged at its sides, a good wool coat buttoned to the throat. Oxblood tiles sweated behind him. The air smelled of wet soot and, beneath it, a metallic sweetness, like the hour after lightning. Underground, where no weather reached. Quinn stood at the yellow marker and looked. She didn't touch. That was the first thing eighteen years had taught her: the dead keep; the scene doesn't. "Full moon last night, boss," Whitfield said. "Brings them out. Probably a séance, urban explorers playing at ghosts, mate here takes it too seriously." "SOCO done with the floor?" "Photographed. They're on the stairs." She crouched at the nearest candle. Wax had run from each one in long pale ropes, and every rope leaned the same way — north, down the platform, toward the bricked arch where the old lift shaft had been sealed in 1940. She took a biro from her coat, laid it on the tiles, and let go. It rolled south, gentle and certain, and stopped against the running rail. "Floor falls away south. Wax ran north." "Old stations settle funny." "Wax doesn't care about settling, Whit. It cares about down." She rose. "Something in that wall wanted the wax more than gravity did." Whitfield laughed, then stopped when she didn't. She walked the body's length without crossing the markers. Two furrows scored the platform dust, heel-width, running from the tunnel mouth to the corpse. The kid in the paper suit upstairs had read them as a drag. Quinn read them twice. "Look at the furrows. A dragged heel ploughs dust ahead of it. Piles it at the toe end, away from the body. This dust lies piled toward him. Someone stood over the corpse and drew those lines outward with a sleeve. He was set down, then given a journey he never took." "Why fake drag marks?" "To give us a story. People who hand you a story are frightened you'll find the real one." The pathologist, Dr Sen, straightened from the body with her bag clicking shut. "No wound. No ligature. Nothing in the syringe but air — the cap's still on it, you'll note. His heart stopped. That's the whole report until the table. Rigor's full, lividity's fixed, I'd put death around three this morning." "Three," Quinn said. She lifted the dead man's left arm in its wool sleeve. A quartz watch, cheap, had died at 3:07. She glanced at her own, the leather strap gone soft with a decade of pulse. "Corroborated. Now tell me why the candles disagree." Sen followed her eyes to the tallow. "Four hours burnt, some of them," Quinn said. "Lit before midnight. So someone lit a ring of candles, sat with him while he died at three, staged an overdose he never took, and left before dawn. That's not a junkie's night, Whit. That's a shift." Whitfield crouched by the works. The belt lay cinched in a neat loop around the right bicep of the coat, spoon and capped syringe squared beside it like exhibits in a shop window. "Right arm," Quinn said. "Look at his hands." The left was inked at the thumb and forefinger, callused along the edge. A left-handed man's hand. "A left-handed man ties off his left arm. He works the belt with his right hand. Whoever dressed this scene was right-handed and assumed the world was too." She straightened. "Get the prints fast-tracked, and I want the kid upstairs held till I've talked to him." "Guv." Whitfield moved off, and she heard him start making the calls that turned her irritations into paperwork. The right hand was the problem. Rigor had closed it into a fist, and the exhibits officer had to work the fingers one at a time. What came out sat on her gloved palm: a disc of carved bone the size of a two-pound coin, pierced through the centre, its edges worn to the smoothness of a river stone. "Luck charm," the exhibits officer said. "Look at the wear. That's not one man's thumb. That's a hundred men's thumbs." Quinn turned it under her torch. "He died holding it out. You don't clutch a charm in a fist. You hold out a ticket." She bagged it herself and wrote the label in her square, unmoved hand while the photographer's flash cracked white across the tiles. Three years since Morris, and the smell of it came back uninvited: a windowless basement in Peckham, that same after-lightning taste on the tongue, a scene that had read wrong in ways no report would carry. She had written *misadventure* and signed it. Her jaw set until the teeth ached. "Boss." Whitfield stood by the body with a brass object pinched in an evidence bag. "Under his shoulders. SOCO missed it." A compass. Small, brass, its casing furred with verdigris, the face etched with marks that weren't decoration — interlocking signs cut by a patient hand. The needle lay steady on the bricked arch at the platform's north end. Quinn took the bag and walked. Ten paces south. The needle held on the arch. She crossed to the far platform edge, past the oxblood tiles, and the needle swung to keep its quarry. She held it above the steel rail, beside the magnetised clasp of her own watch. Nothing moved it. "It's broken," Whitfield said. "It's pointing at something it wants more than north." She turned the bag over. Folded into the lid's lining, a slip of paper, cream stock, stamped: *British Museum — Restricted Archives*. A reader's request, dated three days back. Item: *A Survey of Thresholds and Hidden Markets, MS. 1147*. Requester initials, inked in a small, hurried hand: *E. Kowalski*. "Log it," she said, and handed it over. "Then get me the reader records for that archive, Thursday onwards. Names, not numbers." "That's a needle in a haystack the size of Bloomsbury." "Then we start with the ones who prick." She read the slip once more through the plastic and fixed the name where she kept names. Kowalski. She walked to the bricked arch. London stock brick, eighty years of soot, mortar hard as the day it cured — except at the base, where a smear of wax had crawled under the bottom course and stopped, as if it had found somewhere to go. Quinn put her ear to the brick. For the space of one breath she heard it: a crowd compressed into a whisper, the murmur of haggling, coin on stone, a market in full voice behind a wall that had been sealed since before she was born. Then her own pulse, and the generator hum, and nothing. She didn't step back. Stepping back was data too, and she refused to give the wall the satisfaction. "Whit." "Guv." "Get on to London Underground. I want a structural engineer and a breaching team here by nine. That arch comes open." Whitfield looked at the wall, then at the compass in its bag, where the needle sat unwavering on the brick between them. "It's a lift shaft. It's been bricked since the Blitz. There's nothing behind it but eighty years of dark." "Then the dark can explain the drag marks." Quinn checked her watch against the dead platform clock one last time. "A man came out of a sealed station with a bone ticket in his fist and a needle he never used, and someone loved him enough to lie about it for four hours. Nobody staged this to hide an overdose, Whit. They staged it to hide a door."
created_at"2026-10-13T10:15:07.47Z" 10/13/2026, 10:15:07 AM
model"fireworks/ember-1-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency617
moderation_latency(null)
generation_time92141
tokens_prompt1112
tokens_completion6802
native_tokens_prompt1110
native_tokens_completion6201
native_tokens_completion_images(null)
native_tokens_reasoning4258
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)
usage0.096345
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791886507-7eGR7MEapYdFGiADNgEM"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791886507-mXmCkp02EBnuYa9mCzIH"
upstream_id"chatcmpl-f020bde4b0394bb5abbaec5a2732b46c"
provider_responses
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endpoint_id"b89a2f05-4051-4446-a9b0-7bc8ae7b7c90"
id"chatcmpl-f020bde4b0394bb5abbaec5a2732b46c"
is_byokfalse
latency617
model_permaslug"fireworks/ember-1-20260923"
provider_name"Fireworks"
status200
total_cost0.096345
cache_discount(null)
upstream_inference_cost0
provider_name"Fireworks"
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
totalTags15
adverbTagCount0
adverbTags(empty)
dialogueSentences41
tagDensity0.366
leniency0.732
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1464
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
76.09% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1464
totalAiIsms7
found
0
word"pulse"
count2
1
word"charm"
count2
2
word"etched"
count1
3
word"whisper"
count1
4
word"unwavering"
count1
highlights
0"pulse"
1"charm"
2"etched"
3"whisper"
4"unwavering"
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
narrationSentences80
matches(empty)
89.29% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount0
narrationSentences80
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences105
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen52
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans4
markdownWords17
totalWords1468
ratio0.012
matches
0"misadventure"
1"British Museum — Restricted Archives"
2"A Survey of Thresholds and Hidden Markets, MS. 1147"
3"E. Kowalski"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount936
uniqueNames18
maxNameDensity1.07
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Quinn10
Kentish1
Town1
Metropolitan1
Police1
Whitfield9
Dr1
Sen2
Morris1
Peckham1
Folded1
Museum1
Restricted1
Survey1
Thresholds1
Hidden1
Markets1
Kowalski2
persons
0"Quinn"
1"Whitfield"
2"Dr"
3"Sen"
4"Morris"
5"Museum"
6"Kowalski"
places
0"Kentish"
1"Town"
2"Peckham"
globalScore0.966
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences56
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1468
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences105
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs48
mean30.58
std24.14
cv0.789
sampleLengths
077
126
240
31
438
571
627
724
85
95
1069
117
124
1323
147
1541
1652
174
1818
1952
2045
217
2245
2333
248
2517
2646
2718
2859
296
3038
3172
3221
3338
3452
354
3658
3722
3810
3926
40102
4118
421
431
4421
4522
4619
4768
92.11% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences80
matches
0"been sealed"
1"was inked"
2"been sealed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs149
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount1
flaggedSentences6
totalSentences105
ratio0.057
matches
0"\"Overdose, near as I can read it. Belt off, works laid out next to him, spoon, lighter. Broke in, cooked up, died in the dark. And—\" Whitfield's torch beam swung across the platform, \"—he had company, sort of.\""
1"That was the first thing eighteen years had taught her: the dead keep; the scene doesn't."
2"Wax had run from each one in long pale ropes, and every rope leaned the same way — north, down the platform, toward the bricked arch where the old lift shaft had been sealed in 1940."
3"Small, brass, its casing furred with verdigris, the face etched with marks that weren't decoration — interlocking signs cut by a patient hand."
4"Folded into the lid's lining, a slip of paper, cream stock, stamped: *British Museum — Restricted Archives*."
5"London stock brick, eighty years of soot, mortar hard as the day it cured — except at the base, where a smear of wax had crawled under the bottom course and stopped, as if it had found somewhere to go."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount510
adjectiveStacks0
stackExamples(empty)
adverbCount9
adverbRatio0.01764705882352941
lyAdverbCount1
lyAdverbRatio0.00196078431372549
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences105
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences105
mean13.98
std11.34
cv0.811
sampleLengths
019
14
224
317
41
512
626
740
81
938
1015
1129
125
1317
145
158
163
1716
187
1917
205
215
226
2336
2415
2512
267
274
2812
2911
307
319
3215
3313
344
3552
364
3718
3813
3939
403
4111
428
4315
448
457
468
4737
485
4928
87.70% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.5436893203883495
totalSentences103
uniqueOpeners56
49.02% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences68
matches
0"Then her own pulse, and"
ratio0.015
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount18
totalSentences68
matches
0"She checked the worn leather"
1"She didn't touch."
2"She crouched at the nearest"
3"She took a biro from"
4"It rolled south, gentle and"
5"She walked the body's length"
6"She lifted the dead man's"
7"She glanced at her own,"
8"She bagged it herself and"
9"She had written *misadventure* and"
10"Her jaw set until the"
11"She crossed to the far"
12"She held it above the"
13"She turned the bag over"
14"she said, and handed it"
15"She read the slip once"
16"She walked to the bricked"
17"She didn't step back."
ratio0.265
55.59% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount55
totalSentences68
matches
0"The cordon tape at the"
1"South Kentish Town station."
2"She checked the worn leather"
3"The clock said ten past"
4"DC Whitfield waited at the"
5"Whitfield's torch beam swung across"
6"A ring of church candles"
7"Oxblood tiles sweated behind him."
8"The air smelled of wet"
9"Quinn stood at the yellow"
10"She didn't touch."
11"That was the first thing"
12"She crouched at the nearest"
13"Wax had run from each"
14"She took a biro from"
15"It rolled south, gentle and"
16"Whitfield laughed, then stopped when"
17"She walked the body's length"
18"The kid in the paper"
19"Quinn read them twice."
ratio0.809
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences68
matches(empty)
ratio0
56.28% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences33
technicalSentenceCount4
matches
0"Three years since Morris, and the smell of it came back uninvited: a windowless basement in Peckham, that same after-lightning taste on the tongue, a scene that…"
1"Small, brass, its casing furred with verdigris, the face etched with marks that weren't decoration — interlocking signs cut by a patient hand."
2"London stock brick, eighty years of soot, mortar hard as the day it cured — except at the base, where a smear of wax had crawled under the bottom course and sto…"
3"For the space of one breath she heard it: a crowd compressed into a whisper, the murmur of haggling, coin on stone, a market in full voice behind a wall that ha…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags15
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount0
fancyTags(empty)
dialogueSentences41
tagDensity0.171
leniency0.341
rawRatio0
effectiveRatio0
86.3135%