Run: 2026-03-11-01KKFEAPBMB756AEGWB4GNCRED

Run Details

Duration:
2m 12s
Cost:
$0.011836
Provider:
Seed

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 cold of the underground seeped through Harlow Quinn’s boots before she’d even cleared the police tape strung across the abandoned Tube station’s escalator landing. The air reeked of damp concrete, burnt circuit boards, and a sharp, metallic tang that didn’t belong anywhere in Camden’s buried infrastructure, not even a derelict station that had been sealed off since the 1970s. Fluorescent tubes strung by her team buzzed so loud they set her teeth on edge, casting long, wavering shadows over the chipped tile that had once served as the Veil Market’s main thoroughfare. Harlow’s worn leather watch, strapped tight to her left wrist, glinted as she flipped it open to check the time: 1:47 a.m. The full moon had come and gone three nights prior, which meant the hidden supernatural black market that had used this space for the past month had packed up and moved, per its unyielding schedule, leaving nothing but rotting stall frames, a scattering of broken potion vials, and a single discarded bone token she kicked aside as she signed the scene log. PC Hale, the 22-year-old uniformed man posted at the tape, shifted his weight from foot to foot, his gaze darting toward the ticket hall at the end of the concourse where the body lay. “Detective, the CSI team’s half-spooked. They’ve been asking for central forensics to send someone down, said nothing about this scene adds up.” Harlow’s sharp jaw tightened, her closely cropped salt-and-pepper hair falling in a thin strand across her forehead as she ducked under the tape, moving with the military precision that had defined her 18 years on the force. She’d spent three years chasing the clique that ran the Veil Market, ever since her partner DS Morris had turned up dead in an abandoned Hackney warehouse under identical “inexplicable” circumstances, the department writing his death off as a gang hit with an experimental weapon no one could identify. She’d never bought that lie, and now, staring at the scene unfolding in front of her, the pieces she’d spent three years forcing into a human-shaped box were starting to split at the seams. Marie, her lead CSI, was kneeling by the body slumped against the ticket booth wall, her latex gloves stuffed in her pocket—something she’d never done in all the years Harlow had worked with her. She looked up as Harlow approached, her face ashen. “Harlow, I’ve seen every kind of death there is. Stabbings, shootings, overdoses, poisonings. This isn’t any of them. No external trauma, no internal bleeding, nothing on the preliminary tox screen that could explain it. His retinas are just… ash. Burnt right out of his skull, no damage to his eyelids, no burns on his skin, nothing to explain how that happened. And the six cameras we planted here two weeks ago, the ones you asked for to catch the smuggling drop you thought was coming? All fried. The hardwired ones, the battery-powered ones, all of them. SD cards melted inside the casings, circuit boards turned to goo. The generator we parked out on the street’s running fine, the floodlights we strung are fine, every other piece of tech we brought down is working except those cameras. That’s impossible.” Harlow’s hand drifted to the worn case file in her own pocket, the one she’d kept locked in her desk for three years, holding the photos of Morris’ crime scene. The same melted cameras, the same unmarked body, the same burnt-out retinas that the department had written off as a glitch in the coroner’s report. She waved over the figure she’d brought with her, the only person who might be able to untangle what the market was actually hiding, and Eva Kowalski stepped forward, tucking a strand of curly red hair behind her left ear—her nervous tell, one Harlow had memorized in the hour since she’d picked the woman up from her Bloomsbury flat. Eva’s round glasses slipped down her freckled nose as she walked, and she pushed them back with the tip of her index finger, her worn leather satchel stuffed full of ancient history texts and occult grimoires bumping against her hip. She’d written a redacted master’s thesis for Oxford on London’s hidden lunar markets, and Harlow had tracked her down, convinced the “supernatural fluff” in her paper was just coded language to hide the scale of the clique’s smuggling operation. Eva’s face drained of what little color it had left when she saw the body. “That’s Rian Voss,” she said, her voice barely a whisper. “He was a market steward. Checked bone tokens at the entrance, kept inventory of all the high-risk items that passed through. He never would have stayed behind after the full moon move. Anyone cut off from the market can’t find the new location, can’t get a new bone token to enter. He’d never risk that. He was one of the first people to show up when we set up here, one of the last to leave.” Harlow crossed her arms, the leather of her watch digging into her wrist as she folded them tight. “So someone killed him, dumped him here after you moved. He crossed the wrong person in the clique, they left his body in a place no normie would think to search for months. Except we were watching. That lines up.” Eva shook her head, her curls bouncing as she stepped closer to the body, her gaze locking on Rian’s broken fingernails, the way his shirt was torn like he’d been scratching at the concrete to drag himself away from something. “No. He wasn’t dumped. He was running. Look at him—he collapsed here after trying to get as far away from the ticket booth as he could. The melted cameras? That’s rift bleed. Any technology that gets within ten feet of a new supernatural rift burns out. The energy fries circuits, and it burns out the most sensitive tissue in living things first: the eyes. He wasn’t murdered. He ran from a rift that opened here early, before the market’s wardens could seal it like they always do. That’s what killed him.” Harlow laughed, a sharp, bitter sound that echoed off the tile walls. She’d heard a hundred excuses from suspects, but this was a new one. “Rift bleed? Supernatural energy? That’s fairytale stuff, Kowalski. There’s a rational explanation for this, some weapon the clique’s developed that we haven’t caught up to yet. That’s what killed Morris, that’s what killed this guy. I’m not buying into your occult nonsense to explain away a murder.” Eva’s face flushed, and she reached into her satchel, shoving a stack of books aside to pull out a small brass compass, its casing caked in a patina of verdigris, its face etched with tiny, swirling sigils Harlow couldn’t parse. She held it out, and Harlow’s breath caught when she saw the needle spinning so fast it blurred into a silver disk, impossible for any ordinary compass. “This is a Veil Compass. I bought it from a Shade artisan at the market two years ago. It points to the nearest rift, any tear in the veil between worlds. Watch.” She turned slowly on her heel, and the needle slammed hard to the north, locking rigid, pointing straight at a thin, dark crack in the concrete behind the ticket booth, the one Harlow had written off as water damage from a leaky pipe. Harlow crossed the concourse in three long strides, kneeling down a foot away from the crack. A faint, icy-blue glow seeped out of it, so faint she almost missed it, and she felt a wave of heat roll over her face, like standing too close to an open oven. The fluorescent bulb directly above her popped, showering her with shards of glass, and the CSIs behind her yelled, scrambling back. She pulled her work phone out of her pocket, the battery sitting at 87% two minutes earlier, and held it up to snap a photo of the glow. The screen went black instantly, the device dead in her hand. She dropped it on the concrete, staring at it, then back at the crack, and suddenly the photo from Morris’ crime scene clicked into place: the thin crack in the warehouse wall behind his body, the same faint blue glow she’d written off as a camera glitch. All the evidence she’d spent three years forcing to fit a human criminal’s profile had been pointing to something else entirely, and she’d missed it, too stubborn to see past the world she’d always known. Eva walked up beside her, the compass still held tight in her hand. “The clique you’ve been chasing isn’t smuggling drugs or guns. They’re opening rifts, selling access to the other side to anyone who can pay. They opened that rift in Hackney three years ago, your partner stumbled on it before they could seal it, same as Rian did here. Rian found out they were going to test an unapproved rift here, threatened to report them to the market’s council, so they let the rift’s bleed kill him to shut him up. That’s what you missed. This isn’t a murder with a gun or a knife. It’s something older, something you can’t lock in a cell. But it’s real.” Harlow stood, brushing glass off her jeans, her gaze fixed on the blue glow seeping out of the crack. For the first time in three years, she didn’t have a rational explanation. Every piece of evidence, every dead end that had haunted her since Morris’ death, lined up. She’d spent three years chasing a human gang, and she’d been wrong. The clique was something far more dangerous, and she was only just starting to catch up.
created_at"2026-03-11T21:54:58.562Z" 3/11/2026, 9:54:58 PM
model"bytedance-seed/seed-2.0-lite-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency821
moderation_latency(null)
generation_time132314
tokens_prompt923
tokens_completion6387
native_tokens_prompt945
native_tokens_completion5800
native_tokens_completion_images(null)
native_tokens_reasoning3704
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.01183625
router(null)
provider_responses
0
endpoint_id"bf1a3473-7a0a-46d3-aaa5-adb8f876a697"
id"021773266099021e0fa5d59a7b50e9f748f37815b909e28dcfe46"
is_byokfalse
latency821
model_permaslug"bytedance-seed/seed-2.0-lite-20260309"
provider_name"Seed"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773266098-OAJRd244zGoQSACA8VZI"
upstream_id"021773266099021e0fa5d59a7b50e9f748f37815b909e28dcfe46"
total_cost0.01183625
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
57.14% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount1
adverbTags
0"She turned slowly [slowly]"
dialogueSentences11
tagDensity0.636
leniency1
rawRatio0.143
effectiveRatio0.143
93.83% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1621
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"suddenly"
count1
highlights
0"slowly"
1"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)
81.49% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1621
totalAiIsms6
found
0
word"wavering"
count1
1
word"weight"
count1
2
word"coded"
count1
3
word"whisper"
count1
4
word"echoed"
count1
5
word"etched"
count1
highlights
0"wavering"
1"weight"
2"coded"
3"whisper"
4"echoed"
5"etched"
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
narrationSentences38
matches(empty)
67.67% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences38
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences44
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen139
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1618
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions36
wordCount1024
uniqueNames15
maxNameDensity1.46
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Harlow15
Quinn1
Tube1
Camden1
Veil2
Market2
Hale1
Morris1
Hackney1
Eva6
Kowalski1
Bloomsbury1
Oxford1
London1
Rian1
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Market"
4"Morris"
5"Hackney"
6"Eva"
7"Kowalski"
8"Rian"
places
0"Oxford"
1"London"
globalScore0.768
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences38
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1618
matches(empty)
90.91% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences44
matches
0"bought that lie"
63.26% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs12
mean134.83
std50.08
cv0.371
sampleLengths
0177
1176
2181
3208
486
558
6131
772
8142
9191
10120
1176
86.80% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences38
matches
0"been sealed"
1"was torn"
79.52% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs166
matches
0"were starting"
1"was kneeling"
2"was actually hiding"
12.99% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences44
ratio0.045
matches
0"Marie, her lead CSI, was kneeling by the body slumped against the ticket booth wall, her latex gloves stuffed in her pocket—something she’d never done in all the years Harlow had worked with her."
1"She waved over the figure she’d brought with her, the only person who might be able to untangle what the market was actually hiding, and Eva Kowalski stepped forward, tucking a strand of curly red hair behind her left ear—her nervous tell, one Harlow had memorized in the hour since she’d picked the woman up from her Bloomsbury flat."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount790
adjectiveStacks0
stackExamples(empty)
adverbCount13
adverbRatio0.016455696202531647
lyAdverbCount2
lyAdverbRatio0.002531645569620253
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences44
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences44
mean36.77
std26.83
cv0.73
sampleLengths
025
135
233
322
462
534
659
749
834
934
109
11138
1230
1325
1459
1540
1639
1715
1810
1976
2018
2140
2240
2391
2412
2513
2647
2740
2827
2975
3016
3133
3221
3328
3411
3547
3635
3713
38107
3919
4013
4116
4212
4316
61.36% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.4090909090909091
totalSentences44
uniqueOpeners18
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences38
matches(empty)
ratio0
93.68% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount12
totalSentences38
matches
0"She’d spent three years chasing"
1"She’d never bought that lie,"
2"She looked up as Harlow"
3"She waved over the figure"
4"She’d written a redacted master’s"
5"she said, her voice barely"
6"She’d heard a hundred excuses"
7"She held it out, and"
8"She turned slowly on her"
9"She pulled her work phone"
10"She dropped it on the"
11"She’d spent three years chasing"
ratio0.316
0.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount36
totalSentences38
matches
0"The cold of the underground"
1"The air reeked of damp"
2"Harlow’s worn leather watch, strapped"
3"The full moon had come"
4"PC Hale, the 22-year-old uniformed"
5"Harlow’s sharp jaw tightened, her"
6"She’d spent three years chasing"
7"She’d never bought that lie,"
8"Marie, her lead CSI, was"
9"She looked up as Harlow"
10"Harlow’s hand drifted to the"
11"The same melted cameras, the"
12"She waved over the figure"
13"Eva’s round glasses slipped down"
14"She’d written a redacted master’s"
15"Eva’s face drained of what"
16"she said, her voice barely"
17"Harlow crossed her arms, the"
18"Eva shook her head, her"
19"Harlow laughed, a sharp, bitter"
ratio0.947
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences38
matches(empty)
ratio0
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences29
technicalSentenceCount6
matches
0"The air reeked of damp concrete, burnt circuit boards, and a sharp, metallic tang that didn’t belong anywhere in Camden’s buried infrastructure, not even a dere…"
1"Fluorescent tubes strung by her team buzzed so loud they set her teeth on edge, casting long, wavering shadows over the chipped tile that had once served as the…"
2"The full moon had come and gone three nights prior, which meant the hidden supernatural black market that had used this space for the past month had packed up a…"
3"She waved over the figure she’d brought with her, the only person who might be able to untangle what the market was actually hiding, and Eva Kowalski stepped fo…"
4"Eva shook her head, her curls bouncing as she stepped closer to the body, her gaze locking on Rian’s broken fingernails, the way his shirt was torn like he’d be…"
5"Eva’s face flushed, and she reached into her satchel, shoving a stack of books aside to pull out a small brass compass, its casing caked in a patina of verdigri…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount2
matches
0"she said, her voice barely a whisper"
1"She turned slowly, and the needle slammed hard to the north, locking rigid, pointing straight at a thin, dark crack in the concrete behind the ticket booth, the one Harlow had written off as water damage from a leaky pipe"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences11
tagDensity0.091
leniency0.182
rawRatio0
effectiveRatio0
71.8441%