Run: 2026-03-11-01KKFCQKJJWE7YMGDBR2SAJXVW

Run Details

Duration:
2m 25s
Cost:
$0.012241
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="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 in Soho stuck to Harlow’s blazer like a second skin, the green neon of the Raven’s Nest sign bleeding into every puddle at her feet, turning the cobblestones to shattered emeralds. She’d pressed herself into the brick alcove of a closed ticket booth for fourteen hours, her boots sunk into a puddle that had long ago soaked through her socks, the worn leather of her watch on her left wrist soft and waterlogged. For two weeks she’d staked out Silas’ bar, every lead she’d chased on the clique curdling to nothing until a tip from a snitch in vice had told her the ex-paramedic who treated the crew’s wounded would be there that night, leaving alone after last call. She’d glanced through the bar’s smudged front window twice during her stakeout, catching a glimpse of the interior’s walls lined with frayed old maps and yellowed black-and-white photographs, the kind of decor that felt like it was hiding more than it showed, just like the rest of the Nest. When Tomás Herrera had slipped out of the bar’s side entrance at 12:47 AM, his dark curly head ducked against the rain, Harlow had pushed off the wall before he’d even made it to the end of the block, her hand closing around the taser clipped to her belt. She’d planned to call out, to identify herself, to cuff him before he could run, but Tomás had glanced over his shoulder halfway down the alley, his warm brown eyes locking with hers, and he’d bolted. The Saint Christopher medallion around his neck glinted once under a flickering streetlamp as he went, and Harlow gave chase, her boots slapping the wet asphalt, the sharp line of her jaw set so hard her molars ached. This was her only shot. Three years of dead ends, of the Met slapping a case line on her partner’s death, of internal affairs breathing down her neck for digging into things no one wanted explained, all came down to the man sprinting thirty yards ahead of her. DS Morris had died in an alley three miles north of here, his neck broken, no footprints, no DNA, nothing but a shard of black glass that had vanished from the evidence locker three days after the murder. She’d spent three years hearing whispers of the clique, of a group that dealt in things that didn’t show up on police reports, that people who crossed them didn’t live to talk about. Tomás was their medic, their soft spot, the one who’d left paper trails, who’d once had an NHS ID, a driver’s license, a life that wasn’t hidden in the cracks of London. Born in Seville, moved to London to care for people, stripped of his license for administering unauthorized treatments to patients no hospital would touch. If she could bring him in, she could get answers. The chase cut through Soho’s back alleys, past locked kebab carts and strip club dumpsters that reeked of old beer and bleach, Tomás sliding around corners like he’d spent every night of his life running from the police. Harlow yelled once, her voice raw from the cold rain, “Metropolitan Police! Stop running!” but Tomás only went faster, hauling himself over a chain link fence that separated a parking lot from the main road, the scar along his left forearm pale and stark in the glow of a passing taxi’s headlights as he grabbed the top of the fence to boost himself over. Harlow skidded to the fence, her nails scraping the rusted metal as she hauled herself up, the seam of her jeans tearing at the knee, and she dropped to the other side hard, her ankle rolling a little, the pain flaring but not stopping her. She’d been a Lance Corporal in the army before joining the Met, that military precision drilled into her bones, and she pushed through the ache, keeping Tomás in sight as he cut across Camden High Street, dodging a black cab that honked so loud it echoed off the brick townhouses. She’d put two and two together ten minutes into the chase, when he’d veered north instead of west toward the safe house he’d rented in Maida Vale. He wasn’t running for his flat, he was running for the Veil Market. Harlow had heard the rumors, the underground black market that popped up in abandoned Tube stations, that sold things that weren’t on any legal ledger, that moved location every full moon. It was supposed to be myth, a story cops told each other to spook new recruits, but she’d seen the file, the one a whistleblower in counter-terrorism had slipped her, that said the market was currently camped out in the old Camden Road station, closed since the 1980s, boarded up and written off by the city. The full moon was in two days, so the market would stay put for another forty-eight hours, the only safe space Tomás could reach before she caught him. He skidded to a stop in front of a stack of rotting pallets tucked between a 24-hour laundromat and a closed punk venue, yanking two of them aside to reveal a gap in the boards that covered the old Tube entrance, and Harlow watched as he fished a small, smooth white token from his jeans pocket, holding it up to the shadowed gap for half a second before he slipped inside. She knew what that was, the bone token that was the only way to get past the Market’s wards, the entry requirement that kept out cops and anyone else who didn’t belong. She skidded to a stop ten feet from the pallets, the rain pouring down her face, her closely cropped salt-and-pepper hair plastered to her skull, and she froze, for the first time all night letting herself consider what she was about to do. If she followed him down there, she was off the books. No radio signal, no backup, no one from the Met would come looking for her if she didn’t surface. The Market was for people who lived outside the law, who dealt in the supernatural things she still didn’t fully understand, the things that had killed Morris. She could call it in, right now, she could radio for a team to surround the Tube station, wait for backup to breach, play by the rules. But she knew what would happen. The Met would sweep it under the rug, the same way they’d swept Morris’s death under the rug, the same way they’d locked away anyone who tried to ask questions about the things that lurked in London’s underground. The clique had people in high places, she’d learned that the hard way, when her first request to reopen Morris’s case had been denied within an hour. If she waited for backup, Tomás would be gone, the Market would move with the full moon, and she’d spend the rest of her life wondering what really happened to the partner who’d saved her life twice, who’d left behind a wife and two little girls that would never get to ask why their dad didn’t come home. She fumbled in her wallet, her cold fingers brushing the small, smooth molar she’d carried in her coin pocket for three years, the tooth Morris had knocked out of his own mouth during a department boxing match, the one he’d joked was his “lucky hard tooth” before he’d tossed it in the trash after the match. Harlow had fished it out, kept it, a stupid memento she’d pulled out a hundred times when she’d been drinking too much, missing her friend. It was bone, small and white, the same size as the token she’d seen Tomás hold. She pulled it out, held it in her palm, and stepped toward the pallets, yanking them aside the same way Tomás had, the rain cutting off the second she slipped through the gap in the boards, the air turning cold and damp, smelling of mold and burnt ozone. A low, disembodied voice hummed from the dark tunnel ahead, the words vibrating through the concrete under her boots: “Token.” She held up the molar, her hand steady, even as her heart hammered against her ribs. For a long second, nothing happened. Then a metal gate that she hadn’t been able to see in the dark clicked open, a faint golden glow seeping around the edge of it, the hum of dozens of voices drifting up the tunnel. Harlow tucked the molar into her pocket, her hand closing around the taser on her belt, and stepped forward, into the glow of the Veil Market, the decision made. There was no going back now.
created_at"2026-03-11T21:27:04.544Z" 3/11/2026, 9:27:04 PM
model"bytedance-seed/seed-2.0-lite-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency493
moderation_latency(null)
generation_time144919
tokens_prompt914
tokens_completion6628
native_tokens_prompt908
native_tokens_completion6007
native_tokens_completion_images(null)
native_tokens_reasoning4204
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"
usage0.012241
router(null)
provider_responses
0
endpoint_id"bf1a3473-7a0a-46d3-aaa5-adb8f876a697"
id"02177326442467034cac430b5ac258905380d809540adb4daf53b"
is_byokfalse
latency493
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-1773264424-JFZRODslSs9o97dvn06v"
upstream_id"02177326442467034cac430b5ac258905380d809540adb4daf53b"
total_cost0.012241
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
0.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount1
adverbTags
0"Harlow yelled once [once]"
dialogueSentences3
tagDensity1
leniency1
rawRatio0.25
effectiveRatio0.25
96.54% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1447
totalAiIsmAdverbs1
found
0
adverb"really"
count1
highlights
0"really"
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)
89.63% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1447
totalAiIsms3
found
0
word"shattered"
count1
1
word"stark"
count1
2
word"echoed"
count1
highlights
0"shattered"
1"stark"
2"echoed"
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
narrationSentences43
matches(empty)
43.19% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences43
filterMatches
0"watch"
hedgeMatches
0"tried to"
1"happened to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences43
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen72
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1447
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions59
wordCount1399
uniqueNames23
maxNameDensity0.71
worstName"Tomás"
maxWindowNameDensity2
worstWindowName"Morris"
discoveredNames
Soho2
Harlow9
Raven1
Nest2
Tomás10
Herrera1
Saint1
Christopher1
Met4
Morris5
London3
Seville1
Lance1
Corporal1
Camden2
High1
Street1
Maida1
Vale1
Veil2
Market5
Tube3
Road1
persons
0"Harlow"
1"Raven"
2"Tomás"
3"Herrera"
4"Saint"
5"Christopher"
6"Met"
7"Morris"
8"Lance"
9"Corporal"
10"Market"
places
0"Soho"
1"London"
2"Seville"
3"Camden"
4"High"
5"Street"
6"Maida"
7"Road"
globalScore1
windowScore1
90.48% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences42
glossingSentenceCount1
matches
0"felt like it was hiding more than it sh"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1447
matches(empty)
89.15% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences43
matches
0"learned that the"
32.62% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs6
mean241.17
std63.71
cv0.264
sampleLengths
0219
1259
2197
3155
4359
5258
88.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences43
matches
0"was supposed"
1"been denied"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs230
matches
0"was hiding"
1"was running"
2"wasn’t running"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences43
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount84
adjectiveStacks0
stackExamples(empty)
adverbCount1
adverbRatio0.011904761904761904
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences43
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences43
mean33.65
std16.01
cv0.476
sampleLengths
033
142
246
349
449
536
638
75
843
938
1033
1132
1224
1310
1438
1564
1645
1750
1827
1913
2031
2156
2228
2371
2432
2543
2611
2719
2827
2927
306
3138
3227
3358
3456
3525
3616
3748
3836
396
4036
4129
426
60.47% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.4186046511627907
totalSentences43
uniqueOpeners18
77.52% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences43
matches
0"Then a metal gate that"
ratio0.023
80.47% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount15
totalSentences43
matches
0"She’d pressed herself into the"
1"She’d glanced through the bar’s"
2"She’d planned to call out,"
3"She’d spent three years hearing"
4"She’d been a Lance Corporal"
5"She’d put two and two"
6"He wasn’t running for his"
7"It was supposed to be"
8"He skidded to a stop"
9"She knew what that was,"
10"She skidded to a stop"
11"She could call it in,"
12"She fumbled in her wallet,"
13"It was bone, small and"
14"She pulled it out, held"
ratio0.349
99.53% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount31
totalSentences43
matches
0"The rain in Soho stuck"
1"She’d pressed herself into the"
2"She’d glanced through the bar’s"
3"She’d planned to call out,"
4"The Saint Christopher medallion around"
5"This was her only shot."
6"DS Morris had died in"
7"She’d spent three years hearing"
8"Tomás was their medic, their"
9"The chase cut through Soho’s"
10"Harlow yelled once, her voice"
11"Harlow skidded to the fence,"
12"She’d been a Lance Corporal"
13"She’d put two and two"
14"He wasn’t running for his"
15"Harlow had heard the rumors,"
16"It was supposed to be"
17"The full moon was in"
18"He skidded to a stop"
19"She knew what that was,"
ratio0.721
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences43
matches
0"If she could bring him"
1"If she followed him down"
2"If she waited for backup,"
ratio0.07
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences35
technicalSentenceCount14
matches
0"The rain in Soho stuck to Harlow’s blazer like a second skin, the green neon of the Raven’s Nest sign bleeding into every puddle at her feet, turning the cobble…"
1"She’d pressed herself into the brick alcove of a closed ticket booth for fourteen hours, her boots sunk into a puddle that had long ago soaked through her socks…"
2"She’d glanced through the bar’s smudged front window twice during her stakeout, catching a glimpse of the interior’s walls lined with frayed old maps and yellow…"
3"DS Morris had died in an alley three miles north of here, his neck broken, no footprints, no DNA, nothing but a shard of black glass that had vanished from the …"
4"Tomás was their medic, their soft spot, the one who’d left paper trails, who’d once had an NHS ID, a driver’s license, a life that wasn’t hidden in the cracks o…"
5"The chase cut through Soho’s back alleys, past locked kebab carts and strip club dumpsters that reeked of old beer and bleach, Tomás sliding around corners like…"
6"Harlow skidded to the fence, her nails scraping the rusted metal as she hauled herself up, the seam of her jeans tearing at the knee, and she dropped to the oth…"
7"She’d been a Lance Corporal in the army before joining the Met, that military precision drilled into her bones, and she pushed through the ache, keeping Tomás i…"
8"Harlow had heard the rumors, the underground black market that popped up in abandoned Tube stations, that sold things that weren’t on any legal ledger, that mov…"
9"It was supposed to be myth, a story cops told each other to spook new recruits, but she’d seen the file, the one a whistleblower in counter-terrorism had slippe…"
10"He skidded to a stop in front of a stack of rotting pallets tucked between a 24-hour laundromat and a closed punk venue, yanking two of them aside to reveal a g…"
11"The Market was for people who lived outside the law, who dealt in the supernatural things she still didn’t fully understand, the things that had killed Morris."
12"The Met would sweep it under the rug, the same way they’d swept Morris’s death under the rug, the same way they’d locked away anyone who tried to ask questions …"
13"If she waited for backup, Tomás would be gone, the Market would move with the full moon, and she’d spend the rest of her life wondering what really happened to …"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount2
matches
0"Harlow yelled once, her voice raw from the cold rain,"
1"voice hummed, the words vibrating through the concrete under her boots:"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"Harlow yelled once (yell)"
dialogueSentences3
tagDensity0.333
leniency0.667
rawRatio1
effectiveRatio0.667
78.2846%