Run: 2026-07-25-01KYD5AM1TWJGHE236JYHKG4VJ

Run Details

Duration:
20.0s
Cost:
$0.012040
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="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> 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.

Model response

AI
The call came in as a 999 hang-up from a disused service tunnel off Camden Chalk Farm, and Harlow Quinn had known before she even picked up her coat that it was bullshit. Control had flagged it as a possible rough sleeper OD, but the coordinates they gave her were wrong. There was no service tunnel at that grid reference. There hadn't been for forty years. Not since they'd sealed the old South Kentish spur after the '82 flood. She stood now at the bottom of the maintenance stairwell, breathing air that tasted of iron and cold grease, and looked at the crime scene that shouldn't exist. The abandoned Tube station beneath Camden breathed around her. It wasn't on any map Quinn had ever seen. The northbound platform was intact, tiles still glossy white and bottle-green under a string of bare bulbs someone had rigged along the vaulted ceiling. The tracks were gone, filled in with packed earth and wooden stalls. The whole place was a market. Or had been, hours ago. Trestle tables overturned. Jars smashed and leaking things that smoked faintly when they hit the dirt. Herbs strung from the old departure boards, now burning out, spitting fragrant sparks. And in the middle of it all, a dead man laid out neat as a communion offering on the yellow line. "You've got to be kidding me," Eva Kowalski said from behind her. She was out of breath from the stairs. Her round glasses had fogged in the subterranean cold. "Quinn, this isn't— you can't log this." Quinn didn't turn. She checked her left wrist out of habit. The worn leather watch said 03:17. She'd been awake for twenty-one hours. "I can log exactly what I see," she said. Eva pushed past her, her worn leather satchel banging against her hip, full of books the way it always was. The sound of it was too loud. At five-four in her secondhand coat with her curly red hair escaping its tie, she looked like a student who'd taken a wrong turn on the way back from the library. Which, in a sense, she had. "Harlow, please. This is the Veil Market." She said it low, as if the tiles might hear her. She tucked a curl behind her left ear, fingers shaking. "It moves every full moon. It shouldn't even be here. It was supposed to be in Limehouse last—" "I don't care where it's supposed to be," Quinn said. Her voice carried. Military precision flattened every syllable. "PC Davies found a body. He called it in. Now Davies is upstairs throwing up in a bin and telling me the stalls were empty when he got here, which is a lie, because look at the footprints." Eva stared at her. Quinn crouched. She was good at crime scenes. Eighteen years made you good, if it didn't make you dead. She kept her distance from the body at first, taking the whole tableau. The victim was male, thirties, pale in a way that had nothing to do with death. Bald, with a black sigil tattooed across his scalp. He wore a long canvas coat that had been slit open from sternum to throat. Not stabbed. Slit. The cut was surgical. No blood spray on the tiles. That was the first thing wrong. The second thing wrong was his hands. Both fists clenched tight around something. The third thing wrong was the stall directly behind him. It was the only one not overturned. On it, arranged in perfect rows, were small brass compasses. Quinn's brown eyes narrowed. "Eva. What are those?" Eva came closer, reluctantly. Her freckled complexion had gone bloodless under the yellow light. "Veil Compasses. They're attuned. They point to rifts. Harlow, don't—" Quinn was already pulling on nitrile gloves. She reached for the nearest compass. Its casing had a patina of verdigris that left a faint green on the latex. The face wasn't marked with north or south but etched with protective sigils that seemed to shift if she stared too long. The needle spun lazily, then jerked, then pointed not north but straight at the dead man's chest. All of them did. Every compass on the table pointed at him. "Shit," Eva whispered. "PC Davies's theory," Quinn said evenly, "is that our friend here was stabbed in a drug deal gone wrong in an abandoned station and the dealers fled. He thinks the compasses are drug paraphernalia." "They are not drug—" "I know they're not. Because if he was stabbed here, where's the blood? And if he was stabbed somewhere else and moved here, why carry a seventy-kilo body down three flights of stairs into a black market that sells banned alchemical substances and information, Eva? That's what it says on the tin, right? Enchanted goods? Information? Why not dump him in the canal?" Eva tucked her hair again. Quick, nervous. "Bone token." "What?" "Entry requirement. You need a bone token to get in. You can't just walk in. The Market doesn't let you. Someone brought him inside, or— or he had a token on him." Quinn looked at the body again. Sharp jaw set. She leaned in, careful not to disturb the earth around his shoulders. The man's lips were parted. His eyes were open, but the irises were filmed with something like mica dust. "Tell me about the rifts," she said. "They're tears. Between here and— elsewhere. The compasses find them. That's all." "That's all," Quinn repeated. She reached for the dead man's right hand. Rigor had come and gone. His fingers were loose. She pried them open. Empty. She frowned. She checked the left. Also empty, but there was a deep indentation in the palm, a circle, and a scrape of brass-colored residue on the lifeline. "Something was in his hands," she said. "Something round. Small. He was holding it when he died." "A compass?" Eva offered. "A compass has a pin. That would leave a puncture. This is a pressure mark. Smooth." Quinn sat back on her heels. The leather of her watch creaked against her wrist bone. "He was holding something and someone took it. And whoever took it also cleaned up the blood, except they forgot about gravity." Eva blinked. "What?" Quinn pointed at the man's coat. "The cut goes throat to sternum. If you do that to a living man, arterial spray goes everywhere. On the ceiling. On the vendor stalls. If you do it to a dead man after you've drained him, you still get seepage. This coat is dry except for a little wicking at the edges. He was cut open after he was already bled out, somewhere else. But they needed him here. They needed him on the yellow line." "Why?" Quinn stood. Her knees cracked. Five-nine in flat boots, she could see over the tops of the stalls toward the far end of the platform where the old tunnel mouth yawned black. The rigged lights didn't reach that far. The compasses on the table behind her all twitched at once, needles swinging a few degrees toward that darkness. "Because the line is a marker," she murmured. "It's where the platform ends. Where the train would have stopped. Where the veil is thinnest, I'd guess." Eva stared at her, green eyes huge behind the glasses. Quinn walked toward the tunnel mouth, gloved hands at her sides, not touching anything. The dirt floor here was churned. She counted footprints. At least a dozen people had run. One set, though — one set came toward the body, not away. Heavy boots. Deep tread. The stride short, like the person was carrying weight. She stopped at the edge of the light. On the tunnel's brick lip, someone had drawn a symbol in chalk. Fresh chalk, the dust still hanging in the damp air. It matched the tattoo on the dead man's scalp. And beneath it, another mark, smeared as if a hand had wiped it away in a hurry. "They needed a body on a rift," Quinn said, more to herself than to Eva. "The compasses are pointing because there's a rift right under him. They were going to open something. Or they did. And it didn't go the way they wanted." Eva had followed her, clutching her satchel like a shield. "How could you possibly know that?" "Because he doesn't have a bone token on him, does he?" Quinn said. She turned. "Search his pockets. You know what one looks like. I don't." Eva hesitated, then knelt beside the body. She patted down the coat with deft, reluctant hands, the way someone who works in the restricted archives at the British Museum handles things that bite. Her fingers found an inner pocket and pulled out a small object wrapped in black silk. She unwrapped it. It wasn't a bone. It was a small brass compass, identical to the ones on the table, except the face was cracked straight down the middle and its needle spun endlessly, whining faintly. "Crafted by a Shade artisan," Eva whispered. "This one's dead. Burned out." Quinn looked at the compass, at the cut on the man's coat, at the smeared chalk by the tunnel. "Not drug paraphernalia," she said. Her voice had gone very quiet. The same quiet it had gone three years ago when she'd found DS Morris in a flat in Pimlico with no wounds on him and his eyes full of that same mica dust. "No," Eva said. Quinn pulled her phone out. No signal, this far down. Of course no signal. "We need to close this station off properly," she said. "And you need to tell me who sells bone tokens and who would want to open a rift with a dead man as the key." Eva stood up, silk and broken compass trembling in her hand. "Harlow, if someone opened a rift and it took what it wanted and left the body— that thing that was in his hands—" "What was in his hands?" Eva tucked her hair behind her left ear again and again. "I think it was the price," she said. "And I think whoever took it didn't pay enough."
created_at"2026-07-25T17:31:50.209Z" 7/25/2026, 5:31:50 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2970
moderation_latency(null)
generation_time19895
tokens_prompt896
tokens_completion2397
native_tokens_prompt989
native_tokens_completion2542
native_tokens_completion_images0
native_tokens_reasoning328
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"
usage0.01203975
router(null)
provider_responses
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endpoint_id"b2b9f6f9-8880-41c1-bd0c-867650fd5238"
id"resp_6a64f3060ae09fa8cc4f42f6"
is_byokfalse
latency435
model_permaslug"meta/muse-spark-1.1-20260709"
provider_name"Meta"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1785000710-ZYO8rJDAo9qJOXEX7GJ4"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000710-xRUBWzmpT5JtoSJpRg3S"
upstream_id"resp_6a64f3060ae09fa8cc4f42f6"
total_cost0.01203975
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
totalTags20
adverbTagCount2
adverbTags
0"Quinn said evenly [evenly]"
1"Quinn sat back [back]"
dialogueSentences44
tagDensity0.455
leniency0.909
rawRatio0.1
effectiveRatio0.091
91.13% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1691
totalAiIsmAdverbs3
found
0
adverb"reluctantly"
count1
1
adverb"lazily"
count1
2
adverb"very"
count1
highlights
0"reluctantly"
1"lazily"
2"very"
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
82.26% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1691
totalAiIsms6
found
0
word"perfect"
count1
1
word"etched"
count1
2
word"churned"
count1
3
word"weight"
count1
4
word"silk"
count2
highlights
0"perfect"
1"etched"
2"churned"
3"weight"
4"silk"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"eyes widened/narrowed"
count1
1
label"jaw/fists clenched"
count1
highlights
0"eyes narrowed"
1"fists clenched"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences129
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences129
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences154
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen77
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1692
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions19
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions47
wordCount1121
uniqueNames14
maxNameDensity1.61
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Eva"
discoveredNames
Camden2
Chalk1
Farm1
Harlow1
Quinn18
South1
Kentish1
Tube1
Kowalski1
Eva16
British1
Museum1
Morris1
Pimlico1
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Eva"
4"Museum"
5"Morris"
places
0"Camden"
1"Chalk"
2"Farm"
3"British"
4"Pimlico"
globalScore0.697
windowScore0.5
55.06% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount3
matches
0"looked like a student who'd taken a wrong"
1"sigils that seemed to shift if she stared too long"
2"something like mica dust"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.591
wordCount1692
matches
0"not north but straight at the dead man's chest"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences154
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs65
mean26.03
std21.45
cv0.824
sampleLengths
033
146
228
39
485
521
636
723
89
964
1046
1156
124
1332
1459
1513
1627
174
184
1914
2010
2167
2212
233
2434
254
2663
279
281
2932
3040
317
3212
3325
341
356
3622
3717
384
3954
403
4183
421
4358
4426
4510
4655
478
4848
4943
94.38% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences129
matches
0"were gone"
1"were parted"
2"were filmed"
3"was churned"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs186
matches
0"was already pulling"
1"was carrying"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences154
ratio0.006
matches
0"One set, though — one set came toward the body, not away."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount563
adjectiveStacks0
stackExamples(empty)
adverbCount12
adverbRatio0.021314387211367674
lyAdverbCount2
lyAdverbRatio0.003552397868561279
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences154
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences154
mean10.99
std10.45
cv0.951
sampleLengths
033
118
29
36
413
528
69
79
824
912
106
115
123
1313
1413
1521
1612
178
189
197
203
218
226
236
249
2520
267
2731
286
2918
3010
3118
3210
333
345
3538
364
372
386
3911
4013
4116
429
4315
442
451
464
476
486
497
57.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.38961038961038963
totalSentences154
uniqueOpeners60
96.15% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences104
matches
0"Also empty, but there was"
1"At least a dozen people"
2"Of course no signal."
ratio0.029
96.92% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount32
totalSentences104
matches
0"She stood now at the"
1"It wasn't on any map"
2"She was out of breath"
3"Her round glasses had fogged"
4"She checked her left wrist"
5"She'd been awake for twenty-one"
6"She said it low, as"
7"She tucked a curl behind"
8"Her voice carried."
9"She was good at crime"
10"She kept her distance from"
11"He wore a long canvas"
12"It was the only one"
13"Her freckled complexion had gone"
14"She reached for the nearest"
15"Its casing had a patina"
16"She leaned in, careful not"
17"His eyes were open, but"
18"She reached for the dead"
19"His fingers were loose."
ratio0.308
60.96% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount83
totalSentences104
matches
0"The call came in as"
1"Control had flagged it as"
2"There hadn't been for forty"
3"She stood now at the"
4"The abandoned Tube station beneath"
5"It wasn't on any map"
6"The northbound platform was intact,"
7"The tracks were gone, filled"
8"The whole place was a"
9"Trestle tables overturned."
10"Jars smashed and leaking things"
11"Herbs strung from the old"
12"Eva Kowalski said from behind"
13"She was out of breath"
14"Her round glasses had fogged"
15"Quinn didn't turn."
16"She checked her left wrist"
17"The worn leather watch said"
18"She'd been awake for twenty-one"
19"Eva pushed past her, her"
ratio0.798
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences104
matches(empty)
ratio0
73.17% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences41
technicalSentenceCount4
matches
0"She stood now at the bottom of the maintenance stairwell, breathing air that tasted of iron and cold grease, and looked at the crime scene that shouldn't exist."
1"At five-four in her secondhand coat with her curly red hair escaping its tie, she looked like a student who'd taken a wrong turn on the way back from the librar…"
2"The face wasn't marked with north or south but etched with protective sigils that seemed to shift if she stared too long."
3"She patted down the coat with deft, reluctant hands, the way someone who works in the restricted archives at the British Museum handles things that bite."
75.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags20
uselessAdditionCount2
matches
0"She said, as if the tiles might hear her"
1"Quinn said, more to herself than to Eva"
59.09% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags17
fancyCount4
fancyTags
0"Eva whispered (whisper)"
1"Quinn repeated (repeat)"
2"she murmured (murmur)"
3"Eva whispered (whisper)"
dialogueSentences44
tagDensity0.386
leniency0.773
rawRatio0.235
effectiveRatio0.182
85.2865%