Run: 2026-03-06-01KK1J6CXN72MGVT0604TWE66R

Run Details

Model:
GPT-5.4
Duration:
1m 18s
Cost:
$0.044355
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 needled off the awnings in Soho and turned the pavement slick as oil. Detective Harlow Quinn cut between a knot of smokers outside a jazz club, shoulder first, one hand clamped to the flap of her coat where her warrant card and phone knocked against her ribs. Her shoes slapped water. Breath burned in her throat. Fifty feet ahead, a man in a charcoal hood vaulted a row of bin bags and hit the alley mouth without breaking stride. “Police. Stop.” The word tore out of her and vanished under the hiss of tyres on wet tarmac. The runner glanced back once. Pale face. Narrow chin. Not one of the lads she’d had under surveillance outside Greek Street, but he had come out of the same meeting and he had bolted the instant he spotted her. That bought suspicion. The canvas satchel strapped across his chest bought the rest. Quinn drove harder. The city at this hour had two faces. Bright front windows. Late diners with wineglasses caught in the light. Then the cut-throughs between them, the service lanes and blind corners where the night showed its teeth. The man knew those teeth. He skimmed a puddle, braced a hand on a brick wall, slingshotted round a skip and vanished into a lane barely wide enough for a van. Quinn followed and nearly went down. Her sole slid. She hit the wall with her palm, old mortar grinding into the skin, and pushed off again. Her radio crackled from her shoulder. “Quinn, you’ve gone off route. Status.” She snatched the set up as she ran. “Foot pursuit. Male, white, early thirties, dark hoodie, heading north through Soho toward—” The suspect burst from the lane into a service road behind Old Compton Street, kicked through a stack of empty crates and sent splinters spinning over the road. “—toward anywhere he bloody likes.” “You’re alone?” “You asking for my emotional state or my staffing levels?” A beat. Rain thudded against metal shutters. “Staffing levels.” “Alone.” A black cab slewed round the corner too fast. Quinn hit the bonnet with both hands and shoved away, the driver leaning on the horn, mouth moving behind a windscreen filmed in rain. The suspect darted between two vans and cut left. Quinn clipped the radio back. She knew this district. Eighteen years on the job gave a woman a map under her skin. Doorways where dealers tucked packets in drainpipes. Clubs where fights started in the queue and finished in casualty. The Raven’s Nest sat three streets over with its green neon sign buzzing over the pavement, all old maps on the walls and whisky in dirty gold tumblers. She had spent three weeks watching who went in, who came out, and who pretended not to know the place existed. Tonight the hooded man had come from a side door opposite the bar after a meeting that scattered the second she showed her face. Then he had run. That made him hers. He crossed Wardour Street against the lights. Brakes screamed. A cyclist cursed him in a stream of language thick enough to spread on toast. Quinn hit the crossing seconds later and heard a double-decker bus blast its horn so close it punched the air from her chest. The man ducked under the scaffold netting of a building site and dropped out onto a narrower street lined with shuttered antique shops. He had speed, but panic had started to roughen his movements. His right arm clamped too tight over the satchel. He looked back twice in ten seconds. Bad sign. People who knew where they were going didn’t keep checking who was behind them. Quinn shortened the gap. “Drop the bag.” He skidded around a parked scooter and nearly lost his footing. “Bugger off.” His accent carried East End with something else dragged over it. Not enough to place. Young. Frightened. Desperate men made mistakes. He made one at the next junction. Instead of the open main road, he plunged down a covered mews with dead lightbulbs strung overhead and iron fire escapes dripping black water. Quinn smiled without humour. Funnel. One way in. One way out. Then she saw what lay beyond. Stairs. Concrete. Public entrance long closed. The old Underground roundel had been ripped from the wall, leaving rust shadows where the bolts had sat. A steel gate hung open on one hinge. Water streamed down the steps and vanished into dark. The man did not hesitate. He took the stairs three at a time and disappeared below street level. Quinn stopped at the top. Not from fear. From training. She sucked air in through her nose and listened. Rain above. Distant traffic. Below, somewhere under the city, a hum she couldn’t place. Not trains. No electric whine, no station tannoy, no footfall echoed in the way abandoned tunnels should. This sound shifted and breathed. Voices layered under it. Metal clinked. A child laughed, sharp and brief. Then silence folded over the lot. Her phone vibrated in her pocket. She pulled it free. DS Kenley. She answered. “Talk.” “You dropped your tracker. Last ping put you near Dean Street.” “I’m north of that.” “Control wants you to hold for support.” “Support can jog on.” “Harlow.” She stared into the black throat of the station entrance. Water chased itself down the chipped stairs. “The bloke I’m after came out of a meet tied to the Raven’s Nest. He’s carrying something they didn’t want me to see.” “You’ve got no team, no eyes, and no clue what’s down there.” That last line landed harder than he knew. Three years ago Morris had gone into a derelict terrace in Whitechapel after a witness who should have been simple. Junkie. B and E. A petty thing. Quinn had been six minutes behind him. She had found blood on the banister and Morris on the first-floor landing with his neck broken and every window in the house latched from the inside. No prints but theirs. No footprints in the dust except Morris’s and hers. No one ever gave her an answer she could live with. Since then she had learned to respect the shape of places that did not behave. And this stairwell did not behave. “Quinn.” “I heard you.” “Wait.” Below, metal slammed. A woman barked, “Token first or back you go.” The words rose clean through the stairwell. Quinn’s eyes narrowed. Token. A rumour drifted through enough informant conversations to form a skeleton. A market under London. Not drugs, not guns in the usual sense. Stranger stock. Stranger buyers. Every account contradicted the last except one detail: entry cost something small and ugly and specific. Bone token. She thumbed the call off and slid the phone back into her pocket. “Sorry, Kenley.” She went down. The air cooled with each step. The rain smell thinned and gave way to wet concrete, rust, candle wax, spice, old dust turned over by too many feet. Her hand brushed the wall. Posters clung in strips under her fingers, ancient travel ads melted into pulp. Halfway down, the city noise above dimmed as if a door had shut. At the bottom, the stairwell opened into a ticket hall left to rot and then claimed by other hands. The old barriers had been stripped for parts. In their place stood tables made from doors balanced on crates. Lamps burned with greenish flame inside wire cages. Tarpaulins hung where adverts once sat. Dozens of people moved through the space shoulder to shoulder under the soot-black arch, and every instinct Quinn owned told her this was no ordinary night market. She stayed in the shadows by a pillar and took it in. No one hawked cheap phone cases or knock-off perfume. A woman in a velvet coat laid out rows of glass vials on black felt, each one holding a liquid that caught light like fish scales. A bald man in an apron sharpened silver hooks over a brazier while a customer examined something wrapped in waxed cloth with the care people gave loaded firearms. On a blanket at floor level, a boy no older than sixteen sorted teeth by size into wooden trays. Human, animal, things she could not name. Voices came in low knots. English. Polish. Arabic. Snatches of Spanish. A language that clicked at the back of the throat. And at the far side of the hall, vanishing through a tiled archway, the suspect shoved through the crowd with one hand over his satchel. Quinn moved. A broad woman stepped in front of the arch before Quinn reached it. She wore a butcher’s apron over sequins and held out a palm full of white discs. Bone polished smooth by handling. “Token.” Quinn stopped a yard away. Up close, the discs were cut from knuckle joints. Tiny holes drilled through the centre. Worn edges. Old. “I’m looking for someone.” “Then you’ll look after you pay.” The woman’s gaze dropped to Quinn’s coat, her shoes, the radio clipped at her shoulder under the lapel she had failed to keep shut. Her mouth tightened. “No coppers.” Quinn met her eyes. “You stop every thief who runs through your front door?” “We stop who we please.” Behind the woman, the tiled arch breathed cold air from the tunnels beyond. Quinn caught the suspect again between two bodies as he glanced back. Their eyes met. He flinched and disappeared into the passage. She shifted right. The woman matched her. “Move.” “Not for free.” Quinn reached into her pocket and came up with a pound coin. The woman looked at it as if Quinn had offered her a dead wasp. “That from the surface?” “It spends.” “Not here.” A man at the nearest stall laughed into his sleeve. Another turned to watch. Heads followed the line of tension as quick as pigeons spotting dropped chips. Quinn felt the attention settle over her shoulders, measured and mean. Her hand moved from the coin to her warrant card without thinking. She caught herself before she flashed it. Badge meant rules. Rules meant jurisdiction. Jurisdiction felt thin in a place like this. “What buys me passage?” The woman rolled one of the bone discs across her knuckles. “What have you got that belongs to something dead?” Quinn almost barked a laugh. Then her fingers touched the watch strap at her left wrist, the old leather dark with rain. Not that. Inside coat pocket. Pen. Notebook. Phone. Cuff key. In her trouser pocket, loose from a scene visit two days ago, the rabbit’s foot keyring some witness had insisted brought luck. Cheap fur gone bald at one end, little bones still inside the stitched skin. She had meant to bin it. She held it up. The woman’s face softened by a fraction. “Ugly little thing. That’ll do.” Quinn gave it over. The woman dropped a bone token into her palm. Warm from another hand. “One turn through. Cause trouble, you leave in a sack.” Quinn slid past her under the arch. The passage beyond curved with the line of the old platform tunnels. White tiles, cracked and tea-stained, flashed by in strips where hanging bulbs swung from cables. Stalls crowded both walls here too, tighter and stranger. A man sold maps inked on what looked too much like skin. Three girls in school blazers bartered over a cage full of black birds with milky eyes. Steam lifted from a vat where something pale and jointed rolled in broth. The suspect had slowed. The tunnel narrowed ahead where the crowd bottlenecked around a singer standing on an overturned crate. Her voice poured through the tiles, low and rich enough to hush argument. The man shoved a customer aside and broke into a run again. Quinn shoved after him. A shoulder hit hers from the left. “Watch it.” She kept moving. The singer cut off mid-note as the suspect crashed through her audience. Coins scattered. Someone roared. Quinn pushed through the gap he left, one hand on the satchel strap at her chest to stop it swinging, eyes fixed on the dark hood ahead. The tunnel forked around an old service kiosk. He took the left branch. Bad choice. It dead-ended at the platform edge where the tracks once ran, now flooded black to shin depth and littered with old sleepers, rusted rails and market overflow. The suspect skidded to a halt on the lip of the platform. Ten yards of open space. No exit in sight. Quinn slowed, breathing hard, and stepped onto the platform. “That’s it.” He spun. Rainwater dripped from his hood onto a face gone chalk-white. Younger than she had thought. Twenty-five, twenty-six. His hand plunged into the satchel. “Don’t.” He froze. Around them, shoppers stopped pretending not to stare. The platform held its breath. Quinn spread her hands, empty and low. “You run from police, you force my hand. You hand over the bag, we do this upright.” His chest hitched. “You don’t know what this is.” “Then enlighten me.” He dragged the satchel round, clutching it to his ribs. “If I give it to you, they’ll kill me.” “Who?” His eyes flicked over her shoulder toward the tunnel mouth and the watching faces packed there, then back to Quinn. “You already know.”
created_at"2026-03-06T12:33:10.077Z" 3/6/2026, 12:33:10 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency368
moderation_latency(null)
generation_time78364
tokens_prompt1140
tokens_completion3451
native_tokens_prompt984
native_tokens_completion2793
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.044355
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0df22df150c383270169aac9862270819689b3b45ec1f1001f"
is_byokfalse
latency130
model_permaslug"openai/gpt-5.4-20260305"
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-1772800390-Tm6Fn7dyEYLAqbtgejZq"
upstream_id"resp_0df22df150c383270169aac9862270819689b3b45ec1f1001f"
total_cost0.044355
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
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences47
tagDensity0.021
leniency0.043
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2207
totalAiIsmAdverbs0
found(empty)
highlights(empty)
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
79.61% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2207
totalAiIsms9
found
0
word"electric"
count1
1
word"footfall"
count1
2
word"echoed"
count1
3
word"silence"
count1
4
word"vibrated"
count1
5
word"velvet"
count1
6
word"tension"
count1
7
word"measured"
count1
8
word"flicked"
count1
highlights
0"electric"
1"footfall"
2"echoed"
3"silence"
4"vibrated"
5"velvet"
6"tension"
7"measured"
8"flicked"
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
emotionTells0
narrationSentences226
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences226
filterMatches(empty)
hedgeMatches
0"started to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences272
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen34
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2207
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount1973
uniqueNames19
maxNameDensity1.47
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Soho1
Harlow1
Quinn29
Greek1
Street3
Old2
Compton1
Raven1
Nest1
Wardour1
East1
End1
Underground1
Kenley1
Morris3
Whitechapel1
London1
Spanish1
Rain3
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Nest"
4"Morris"
5"Rain"
places
0"Soho"
1"Greek"
2"Street"
3"Old"
4"Compton"
5"Wardour"
6"East"
7"End"
8"Whitechapel"
9"London"
globalScore0.765
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences126
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords0.906
wordCount2207
matches
0"Not one of the lads she’d had under surveillance outside Greek Street, but he had come out of the same meeting"
1"No prints but"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences272
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs125
mean17.66
std23.46
cv1.329
sampleLengths
080
12
216
352
43
567
626
76
86
98
1013
1128
125
132
1410
157
162
171
1842
195
20112
214
2247
2366
244
253
2611
272
2821
2942
306
3141
3218
335
345
359
3654
376
388
391
4011
414
427
434
441
4517
4623
4712
488
49100
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences226
matches
0"been ripped"
1"been stripped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs347
matches
0"were going"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences272
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1984
adjectiveStacks0
stackExamples(empty)
adverbCount45
adverbRatio0.022681451612903226
lyAdverbCount4
lyAdverbRatio0.0020161290322580645
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences272
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences272
mean8.11
std6.95
cv0.857
sampleLengths
014
134
24
35
423
52
616
75
82
92
1030
113
1210
133
148
153
168
1717
185
1926
206
213
2217
236
246
258
2613
2728
285
292
3010
312
325
332
341
359
3624
379
385
394
4013
417
4211
4328
4421
4524
464
474
487
492
67.65% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.43014705882352944
totalSentences272
uniqueOpeners117
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences187
matches
0"Then the cut-throughs between them,"
1"Then he had run."
2"Instead of the open main"
3"Then she saw what lay"
4"Then silence folded over the"
5"Then her fingers touched the"
ratio0.032
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount42
totalSentences187
matches
0"Her shoes slapped water."
1"He skimmed a puddle, braced"
2"Her sole slid."
3"She hit the wall with"
4"Her radio crackled from her"
5"She snatched the set up"
6"She knew this district."
7"She had spent three weeks"
8"He crossed Wardour Street against"
9"He had speed, but panic"
10"His right arm clamped too"
11"He looked back twice in"
12"He skidded around a parked"
13"His accent carried East End"
14"He made one at the"
15"He took the stairs three"
16"She sucked air in through"
17"Her phone vibrated in her"
18"She pulled it free."
19"She stared into the black"
ratio0.225
85.67% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount140
totalSentences187
matches
0"Rain needled off the awnings"
1"Detective Harlow Quinn cut between"
2"Her shoes slapped water."
3"Breath burned in her throat."
4"The word tore out of"
5"The runner glanced back once."
6"That bought suspicion."
7"The canvas satchel strapped across"
8"Quinn drove harder."
9"The city at this hour"
10"The man knew those teeth."
11"He skimmed a puddle, braced"
12"Quinn followed and nearly went"
13"Her sole slid."
14"She hit the wall with"
15"Her radio crackled from her"
16"She snatched the set up"
17"The suspect burst from the"
18"Rain thudded against metal shutters."
19"A black cab slewed round"
ratio0.749
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences187
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences79
technicalSentenceCount1
matches
0"A woman in a velvet coat laid out rows of glass vials on black felt, each one holding a liquid that caught light like fish scales."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"A woman barked (bark)"
dialogueSentences47
tagDensity0.021
leniency0.043
rawRatio1
effectiveRatio0.043
91.6531%