Run: 2026-03-18-01KM07S1VPAXG1XPQPQ7286HYY

Run Details

Duration:
17.1s
Cost:
$0.014571
Provider:
OpenAI

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="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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
Rain sheeted off the awnings and turned the street into a smear of red brake lights and bruised reflections. Detective Harlow Quinn barreled through it with her collar up and her hand on the weight at her hip, boots slapping the pavement as a man in a dark coat cut between a taxi and a bus stop and shoved through the crowd like he owned the night. “Stop,” she barked. He didn’t look back. He just hunched deeper into his hood and clipped a woman’s shoulder hard enough to spin her round, then sprinted on. Harlow saw the flash of his face under the streetlamp. Thin mouth. Grey stubble. A split lip she had given him herself ten minutes ago in a stairwell off Tottenham Court Road when he had put a blade up and sworn he knew nothing. “Yeah, keep running,” she muttered, water running off the end of her nose. “Makes it tidy.” She cut across the road between a delivery van and a black cab, palm out when a driver leaned on the horn and mouthed off through the glass. The suspect slammed through the next turn, past a kebab shop with its shutters half down, past a window full of smeared mannequins in wigs, and Harlow followed the line of him like a thread through a maze. Her watch dug cold against her wrist with each stride. Worn leather, cracked at the buckle. It ticked under the rain and the pulse in her arm. She hated the thing for keeping time when she had none to spare. Ahead, the man shoulder-checked a cyclist, sent the bike skidding into the curb, then shoved through a narrow lane where the streetlamps dropped out and the dark thickened. Harlow came in after him and caught the stink of wet brick, stale fryer oil, and something metallic under it all, like coins held too long in a fist. “Tomás!” she shouted over the rain. He had given her the name on the stairwell. Not because it was his. Because he wanted her to say it. The figure in the coat glanced back at that, and Harlow saw it again: the thin mouth, the eyes gone sharp with fear or calculation, she couldn’t tell which. He bolted past a boarded club entrance, then jerked left into a side street lit by a lone green neon sign hanging over a doorway. The Raven’s Nest. Harlow slowed for half a beat without meaning to. Soho bar. Old maps on the walls. Black-and-white photographs. Silas’ place, if the chatter on the street held true. Her last lead on three different files and one missing courier had all knotted back to this building in one way or another. The suspect didn’t go in through the front. He slapped a hand against the brick beside the door, found a hidden latch, and slipped into the black between two columns before Harlow reached the threshold. “No,” she said, already moving. Inside, the bar opened up in low amber light, all cigarette ghosts and damp wool and glass clinks. A jukebox wheezed in the corner. Men and women at the counter turned their heads, then turned back fast when they saw her badge flash. The room smelled of spilt gin, lemon peel, and old wood gone soft with years of spilled drink. No one pointed. No one called out. They just watched her with flat, careful eyes that made the skin on her neck tighten. “Door,” Harlow snapped at the bartender, a bald man with rolled sleeves and a face built like a wall. He rested both hands on the counter. “Evening to you too, Detective.” A woman at the far end of the bar laughed into her glass. Harlow caught the scrape of a chair behind her and spun, but it was only a pair of students in soaked parkas squeezing past to the back room. The bartender nodded toward the shelves behind him. “If you’re here for the loo, you’re lost.” “I’m here for the man who just cut through your door.” “Lots of men cut through my door.” “Dark coat. Stolen ledger. Smells like diesel and cheap cologne.” The bartender’s eyes flicked once toward the bookshelf against the rear wall, then back to her face. “Never seen him.” Harlow leaned closer. “You want to keep talking like that, you’ll end up giving statements in white light with your name in a file. Or you can move your big hands off the counter and pretend you’re useful.” He held her stare, then lifted one shoulder. “You’re soaked, Detective. You’re angry. Bad combination.” “Move.” He gave a small, tired shrug and reached beneath the bar. Somewhere in the room, a glass broke. The crowd went quiet. Harlow heard a click, then a low groan of wood on wood. The bookshelf at the back shifted an inch, exposing a narrow gap just wide enough for a body. The suspect’s coat vanished through it. Harlow shoved past two stools, pulled her torch from her belt, and hit the beam into the crack. Dust floated there. Old plaster. A narrow stair dropped away into dark. From somewhere below came the sound of a door slamming, then voices. Muted. Fast. Not English, not quite. The bartender stepped in front of the opening with a hand raised. “That space isn’t for you.” Harlow looked at him, rain dripping from her lashes. “You got names for the people who use it?” “No.” “You got a price?” His mouth twitched once. “For you? Too high.” She flashed the badge again. “Then it’s obstruction.” “And you’re standing in a bar that doesn’t exist on any map.” He leaned in, voice dropping. “If you go down there, you go down without your little paper shield. Don’t mistake the difference.” Harlow held his stare while the voices below shifted and the suspect’s footsteps scraped farther off into the dark. She felt the old pressure in her ribs, the one she knew from cases that had gone wrong. The one that started with a missing person and ended with people refusing to say what they’d seen because what they’d seen had no shape that fit a report. She pushed the torch beam at the opening again. “What’s down there?” The bartender’s gaze slid sideways, toward the room behind the bar, then back. “Things for sale that shouldn’t be.” “Like?” He gave her a look that said she was being tedious on purpose. “Enchanted goods. Banned compounds. Information if you’ve got the right kind of coin.” “Coin?” “Not that kind.” One of the students near the wall had gone pale. Harlow saw it in the flare of the torch on her face. Saw the way her fingers clenched round a pint glass like it might keep the dark out. The bartender shut one eye, weary. “You’ve heard of the Market, haven’t you?” Harlow had heard the name in station whispers, in the mouth of a vice sergeant with a nicotine stain on his lip, in a drunk’s rant outside a lock-up in Camden: Veil Market, beneath the ground, moving with the moon, where the city sold the things it denied owning. Her jaw tightened. “Under Camden.” “Tonight, yes.” The stair below smelled cold and damp, a breath from a cellar. Harlow’s light cut down and caught tiled walls, a handrail wrapped in tape, and the backs of two figures gone already into the underlevel. Her phone buzzed in her pocket. She ignored it. Probably Uniform again. Probably asking whether she’d found her suspect. Probably wanting her back at the station with a form and a headache. The bartender watched her reach for the threshold. “You go in there and you won’t be in London the way you know it,” he said. Harlow’s mouth flattened. “London was never mine.” That got him to blink. She stepped closer to the stairs and the air changed. The warmth from the bar fell away behind her. Cold pushed up from the lower level, carrying with it damp stone and something sweet-rotten, like crushed herbs left too long in water. A shout rose from below. Sharp. A man crying out, then another voice answering in a hurry. The suspect. Harlow recognised that ragged edge to his breathing from the stairwell chase. He was still ahead. Still running. A hand caught at her elbow. She snapped round, gun half out before she saw who it was. Tomás Herrera stood there in a dark jumper gone almost black with rain, his curly hair plastered to his forehead, Saint Christopher medallion pressed flat against his chest. Olive skin pale under the bar’s light. He had a canvas medical bag on one shoulder and his left forearm tucked close, the scar along it flashing pale when he shifted. “Quinn.” His eyes went to the open stair. “You picked a lovely night to go sightseeing.” “How’d you get here?” He flicked a glance over her shoulder at the bartender, then at the bookshelf. “Same way everyone sensible did. Through a door.” “You’re not meant to be here.” “Neither are you.” “That man is mine.” Tomás snorted once. “He looked like he’d been born in a panic.” “He took a file from my bag.” “And you chased him through Soho in the rain? That sounds very on-brand.” Harlow kept her gaze on the stairs. “Move.” He stepped in front of her anyway, not broad enough to block her by size, but stubborn enough to make the point. “What’s in the bag?” “Why?” “Because if he’s gone under the Market, he didn’t go for exercise.” His mouth tightened. “If he carried paper, he carried a key. Or a name. Or both.” Her eyes narrowed. “You know this place.” “I knew enough to keep my head down.” “That’s not an answer.” “It was the cleanest one I had.” The suspect shouted again from somewhere below, closer now, then a crash. Glass, maybe. The sound rolled up the stairwell and vanished into the bar’s hush. Harlow shifted her stance, weight balanced. Tomás saw it and lifted both hands a little, palm out. “You go in there with that badge, they’ll laugh at you,” he said. “Or worse.” “They can try.” “Quinn.” She looked at him then. Rain still dripped off her coat hem and pooled on the floorboards. The bar’s light cut a hard line across his face, across the medallion at his throat, across the scar on his forearm when he reached up and rubbed the back of his neck. “You want me to say it?” he asked. “Fine. Those people down there sell blood tinctures, bone dust, and names that kill when you speak them. Half of them would sell their mothers if the price came in a clean envelope.” “Sounds like my kind of crowd.” He gave her a look, thin and unimpressed. “You’re not funny when you’re soaked.” Another voice rose from the stairwell below. Female this time. Quick and angry. Then the scrape of feet. Harlow’s fingers tightened on her torch. Tomás followed her line of sight and swore under his breath in Spanish. “He’s already made contact.” “Who?” He shook his head once. “You don’t want the answer if you don’t know the question.” Harlow barked a humourless laugh. “That’s rich, coming from you.” She stepped past him, but he caught her sleeve this time, just for a second. “Listen,” he said, low. “If you’re going down, don’t flash the badge the second someone breathes wrong. Keep your hands where they can see them. Don’t touch anything that’s not yours. And if someone offers you a token, don’t take it unless you know what it opens.” Harlow stared at him. “What token?” He let go of her sleeve and nodded toward the stair. “Bone. Maybe something else tonight. That market moves, Quinn. It takes what it wants and shifts before the city notices.” “Why are you telling me this?” He looked past her, toward the dark opening. “Because your suspect didn’t run down there by accident.” The answer landed hard, not because it surprised her, but because it confirmed the shape of the night. Harlow felt it settle in her gut like a stone. He’d led her here. Or someone had led him. Either way, she’d followed, and now the street was gone behind her and the city had opened a mouth under the ground. The bartender cleared his throat from behind the bar. “If you’re going, Detective, pick a side of the line and keep to it.” Harlow didn’t turn. “Whose line?” His voice came back flat. “The one that keeps you breathing.” From below, the suspect shouted, ragged and close now, “Quinn! If you want the ledger, come and fetch it!” Tomás went still. Harlow’s eyes stayed on the stair. The voice had broken on the last word, fear leaking through the bravado. He sounded cornered. Not triumphant. Not in control. A cornered man in an underground market full of things that could smell panic. Tomás touched her wrist once, right over the worn leather strap of her watch, then dropped his hand. “You heard him.” “I heard him.” “Still want to go?” Harlow set her jaw and let the torch beam sink deeper into the stairwell, where tiled walls gave way to black. She could feel the city above her through the brick, traffic hissing in rain, sirens distant on the wind, London carrying on as if there wasn’t a market beneath its ribs. Her badge rested cold in her pocket. Her gun felt heavier now. The opening below breathed up cold air that carried money, rot, and danger in one clean pull. She looked at Tomás once, then down into the dark.
created_at"2026-03-18T10:27:34.401Z" 3/18/2026, 10:27:34 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3806
moderation_latency(null)
generation_time16926
tokens_prompt1140
tokens_completion3657
native_tokens_prompt984
native_tokens_completion3074
native_tokens_completion_images0
native_tokens_reasoning162
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"completed"
usage0.014571
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0721e421c66d9da70169ba7e1675f481909d368ed814fe6e3e"
is_byokfalse
latency177
model_permaslug"openai/gpt-5.4-mini-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773829654-WsuGH945JBiQ24zzCSWX"
upstream_id"resp_0721e421c66d9da70169ba7e1675f481909d368ed814fe6e3e"
total_cost0.014571
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags12
adverbTagCount0
adverbTags(empty)
dialogueSentences78
tagDensity0.154
leniency0.308
rawRatio0
effectiveRatio0
97.81% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2279
totalAiIsmAdverbs1
found
0
adverb"very"
count1
highlights
0"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)
82.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2279
totalAiIsms8
found
0
word"weight"
count2
1
word"pulse"
count1
2
word"flicked"
count2
3
word"footsteps"
count1
4
word"warmth"
count1
5
word"could feel"
count1
highlights
0"weight"
1"pulse"
2"flicked"
3"footsteps"
4"warmth"
5"could feel"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells1
narrationSentences159
matches
0"p with fear"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences159
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences225
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen50
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2279
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions19
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount1731
uniqueNames19
maxNameDensity1.62
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Harlow28
Quinn1
Tottenham1
Court1
Road1
Raven1
Nest1
English1
Camden1
Veil1
Market1
Uniform1
Herrera1
Saint1
Christopher1
Spanish1
Tomás7
London1
Probably3
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Herrera"
4"Saint"
5"Christopher"
6"Tomás"
7"Probably"
places
0"Tottenham"
1"Court"
2"Road"
3"Camden"
4"Spanish"
5"London"
globalScore0.691
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences102
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.439
wordCount2279
matches
0"not broad enough to block her by size, but stubborn enough to make the point"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences225
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs114
mean19.99
std17.73
cv0.887
sampleLengths
067
13
225
344
416
566
640
757
86
921
1054
113
1251
1335
145
1561
1623
1719
1812
1941
2016
2111
227
2310
2420
2538
2615
271
2852
296
3030
3118
3217
3318
341
354
368
378
3834
3966
409
413
4219
431
4426
451
463
4739
4813
4949
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences159
matches
0"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs281
matches
0"was being"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences225
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount810
adjectiveStacks0
stackExamples(empty)
adverbCount16
adverbRatio0.019753086419753086
lyAdverbCount1
lyAdverbRatio0.0012345679012345679
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences225
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences225
mean10.13
std8.85
cv0.874
sampleLengths
019
148
23
34
421
510
62
72
830
913
103
1128
1238
1310
146
1511
1613
1728
1829
196
209
215
227
2329
2425
253
269
272
285
292
3010
3123
328
3327
345
3518
366
3719
3818
393
404
4116
4219
437
445
4513
4628
478
488
4911
54.22% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.3466666666666667
totalSentences225
uniqueOpeners78
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences143
matches
0"Somewhere in the room, a"
1"Probably Uniform again."
2"Probably asking whether she’d found"
3"Probably wanting her back at"
4"Then the scrape of feet."
ratio0.035
82.94% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount49
totalSentences143
matches
0"He didn’t look back."
1"He just hunched deeper into"
2"she muttered, water running off"
3"She cut across the road"
4"Her watch dug cold against"
5"It ticked under the rain"
6"She hated the thing for"
7"she shouted over the rain"
8"He had given her the"
9"He bolted past a boarded"
10"Her last lead on three"
11"He slapped a hand against"
12"she said, already moving"
13"They just watched her with"
14"He rested both hands on"
15"He held her stare, then"
16"He gave a small, tired"
17"His mouth twitched once."
18"She flashed the badge again."
19"He leaned in, voice dropping"
ratio0.343
47.41% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount118
totalSentences143
matches
0"Rain sheeted off the awnings"
1"Detective Harlow Quinn barreled through"
2"He didn’t look back."
3"He just hunched deeper into"
4"Harlow saw the flash of"
5"A split lip she had"
6"she muttered, water running off"
7"She cut across the road"
8"The suspect slammed through the"
9"Her watch dug cold against"
10"It ticked under the rain"
11"She hated the thing for"
12"Harlow came in after him"
13"she shouted over the rain"
14"He had given her the"
15"The figure in the coat"
16"He bolted past a boarded"
17"The Raven’s Nest."
18"Harlow slowed for half a"
19"Her last lead on three"
ratio0.825
69.93% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences143
matches
0"Because he wanted her to"
1"Either way, she’d followed, and"
ratio0.014
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences68
technicalSentenceCount1
matches
0"She could feel the city above her through the brick, traffic hissing in rain, sirens distant on the wind, London carrying on as if there wasn’t a market beneath…"
41.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount2
matches
0"He leaned in, voice dropping"
1"he said, low"
98.72% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags9
fancyCount4
fancyTags
0"she barked (bark)"
1"she muttered (mutter)"
2"she shouted (shout)"
3"Harlow snapped (snap)"
dialogueSentences78
tagDensity0.115
leniency0.231
rawRatio0.444
effectiveRatio0.103
91.3936%