Run: 2026-03-18-01KM0AAAVG3MKRFXEVBGYER333

Run Details

Duration:
45.8s
Cost:
$0.030178
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="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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
The lift groaned as it dropped Quinn beneath Camden, the cable whining against its own weight. The air turned damp and cold halfway down, carrying old brake dust, wet stone, and the sour tang of burned wax. When the doors parted, the station yawned open in front of her, a buried throat lined with broken tiles and strips of police tape. Eva waited at the bottom of the stairs with a worn leather satchel hanging off one shoulder and a stack of books pinned against her ribs. Her curly red hair had escaped its tie and clung to her cheeks. She pushed her round glasses up her nose, then tucked a coil behind her left ear. “You picked a lovely spot.” Quinn stepped off the lift and looked past her at the platform. “Someone always picked the worst ones for us.” The abandoned Tube station had not stayed abandoned. Stalls of black lacquered wood still stood in ragged rows along the old platform, their shutters half-open, their cloth awnings torn down the middle. A string of work lamps had been thrown over a rusted beam, flooding the place in a harsh white glare that made every crack in the tiles show. Uniforms moved between the stalls. Forensics crouched near the edge of the platform. A copper urn had spilled something dark and sticky across the floor. At the far end, under a cracked roundel sign for a line that no longer existed, a body lay on its back beneath a white sheet. Eva shifted her satchel higher. “Police think this came out of the Market.” Quinn’s gaze stayed on the covered shape. “Police think lots of things.” A man in a dark overcoat cut through the crowd and came to a stop beside them. Detective Sergeant Malik Byrne had the kind of face that always looked half-bruised by bad sleep. He tipped his chin at the scene. “You’re here. Good. We’ve sealed the service tunnels.” Quinn walked past him toward the body. “Who found it?” “One of the traders. Came down before sunrise, screamed the place down.” “And the trader?” “Gone.” Quinn pulled on gloves and crouched near the sheet. The victim’s shoes stuck out first. Black leather, polished enough to catch the work lamps. No mud on the soles. No grit ground into the seams. She caught the heel with two fingers and lifted it a fraction. Byrne folded his arms. “We pulled the sheet back. Thought you’d want a clean look.” Quinn slid the fabric up with one hand. The dead man wore an expensive charcoal coat, tailored close through the shoulders. His shirt had split at the throat, but the skin beneath did not show the kind of ruin Quinn expected. No dark spill spread across his collar. No spray marked the floor tiles. A line of tiny black burns ringed the torn cloth as if the fabric had kissed a hot wire. Eva breathed out through her teeth. “That is not a knife wound.” Byrne glanced at her books, then back to Quinn. “You’ve got a better read? Because it looks like a shot in the dark to me. Dealer, fence, whatever he was, got into the wrong end of a market deal. Someone put him down and cleared out.” Quinn leaned closer. The dead man’s right hand had curled around something small and metallic. Her gloved fingers worked it free. A brass compass, no larger than her palm. The casing carried a green patina, and fine sigils had been etched around the face so neatly they looked cut by a jeweller. The needle trembled, then snapped hard to the left. Quinn looked up. The needle pointed not north, not east, but toward a bricked-up maintenance arch behind the old ticket line. Eva saw it too. Her eyes sharpened behind her lenses. “That’s a Veil Compass.” Byrne barked a short laugh. “A what now?” Eva pointed at the brass case with one finger, careful not to touch. “A Shade-made guide. It responds to rifts. Portals. Places where the air thins.” Byrne gave the compass a long, flat stare. “It’s a compass.” “It’s not a compass for roads.” Quinn rose and crossed to the arch. The bricks had been painted over with the same dirty cream as the station walls, but the paint stopped six inches short of the floor. The lower edge showed fresh mortar. Too fresh. Not a century old, not even a week. She crouched and ran her light along it. A narrow seam cut down the centre of the arch. Someone had hidden a door inside the wall. “Who sealed this?” she asked. Byrne looked offended by the question. “Building control closed the tunnel twenty years ago.” Quinn tapped the mortar with her pen. The sound rang hollow. “Not that part.” Eva stepped up beside her, books hugged to her chest. “There’s residue on the brick.” Quinn turned her light on the wall. Faint white dust clung in the crack, caught in the mortar line and the grooves of the old paint. Not plaster. Bone ash. She brushed a finger close enough to feel the cold coming off it. Byrne caught her wrist. “Don’t go touching it. Forensics hasn’t cleared the scene.” Quinn tugged free. “That wall hasn’t seen daylight in years.” “So?” “So the dust sits on the ledge. It doesn’t gather in a seam this tight unless something opened it.” Byrne blew out a breath and glanced over his shoulder at the uniform by the stairwell. “You’re hearing yourself, right? The market’s full of weirdos and chemicals. Someone could’ve used powdered plaster, stage smoke, all sorts. Dead man ends up here, body gets staged, and one of the stallholders runs.” Quinn lowered her lamp to the floor tiles around the corpse. Dust lay thick in the grooves between the old station tiles, untouched except for a narrow track running from the arch to the body. Not footprints. A drag mark. Something heavy had moved across the floor and left a pale crescent in the grit. She followed it with her eyes. It stopped under the dead man’s left shoulder. “Not staged,” she said. Byrne shifted his stance. “You’ve got me.” Quinn pointed to the line in the dust. “If someone dragged him from the arch, the grit would smear in a line. It doesn’t. See the break? He was already on the floor when the dust settled. The mark sits on top of the powder, not under it.” Eva bent low, almost nose to tile. Her freckles stood out sharp under the work lights. “And these.” She held up a gloved hand. On the tile near the wall, a scatter of tiny pale flecks glinted in the dust. “Salt?” Byrne asked. “Ground teeth,” Eva said. “Or something close enough to pass.” Quinn looked back at the body. The dead man’s lips had split on one side. Not from a blow. From pressure. Something had forced his jaw open hard enough to crack the skin. His tongue showed dark at the edge of his mouth. Then she saw it. Under his left sleeve, just at the wrist, the cuff had burned in the shape of a ring, the same clean edge as the tear at his throat. The ash on the cuff had settled in a circle, not a smear. A mark, neat and deliberate. Quinn lifted the arm. The skin beneath the cuff held the same pale ring. Byrne frowned. “What’s that?” Quinn looked at the compass again. The needle still aimed at the wall. “A boundary mark.” Eva’s fingers tightened on the books. “Used to keep something in. Or out.” Byrne rubbed the bridge of his nose. “You’re both losing the thread. A bloke shows up dead in an abandoned station under a black market, and now we’re talking about wards and teeth dust.” Quinn stood and turned toward the old ticket barriers. On the glass above them, a fine rain of water ran down from the ceiling vent. She watched it gather, then stop. The droplets held there, trembling, refusing to fall. A cold draft moved under the platform, not through it. The air came from the sealed arch. She looked back at Byrne. “No blood on the floor.” He blinked. “So?” “So he bled somewhere else.” Eva stepped closer. “The body’s clean enough to tell me he didn’t die here.” Quinn nodded once. “He died inside the wall.” Byrne’s mouth opened, then shut. He stared at her as if she had switched languages halfway through the conversation. Quinn pointed to the fresh mortar. “Someone opened that arch. Not long ago. The dust on the bricks is disturbed, but only at shoulder height. He went through upright. Shoes stayed clean because he never walked this floor. The burn on the collar and wrist came from the same source. He crossed a threshold that stripped the blood out of him and left the cloth cooked at the edges.” Byrne glanced at the compass in her hand. “And the needle?” “It found the closest breach.” Eva lifted her chin toward the arch. “That’s where the market moved through.” Quinn shot her a quick look. “Explain that.” Eva adjusted her glasses. Her voice stayed low, careful, as if the station itself listened. “The Market changed location on the full moon. Bone tokens opened the way in. If someone forged one, or stole one, they could use it to force an entry. But the Market didn’t just sit under Camden. It used the station as a hinge. A place where crossings pulled close.” Byrne gave her a hard look. “You’re telling me this place has a hinge in the wall.” Eva held his stare. “I’m telling you the wall opened.” Quinn crouched again by the victim’s feet. A second detail had gone unnoticed under the flood of light: the heel of his left shoe carried a crescent of mud, but the right heel did not. The mud had not come from the platform. It held a fine silver grit, the kind that clung to old river stone. Under it, pressed into the sole, lay a narrow crescent of black wax. She looked to the side of the arch. On the skirting board, just above floor level, a smear of the same wax marked a handprint. Not a full hand. Three fingers. Long, narrow, blackened at the tips. Quinn rose slowly. Byrne noticed the change in her face. “What have you got?” “A witness who didn’t use the stairs.” He frowned. “That’s not helpful.” Quinn held up the shoe, then tapped the wax on the skirting board. “He came through from the Market with a token in his pocket and mud from a wet place on his boot. He stood here. Someone else touched the wall beside him. Their fingers left wax, not blood, and they left it high enough to reach without bending.” Eva’s brows drew together. “Tall.” “Or not human.” Byrne let out a sharp breath and turned away, looking over the station as if the answer might hang from the ceiling on one of the work lamps. “You’re saying the victim walked into a rift, got killed inside it, and then the body came back out?” Quinn tucked the compass into an evidence bag and watched the needle jerk against the plastic. “No,” she said. “I’m saying someone used the rift to move him. The body came here after death. The wall opened from the other side.” Eva stared at the arch, then at the compass, then back at Quinn. Her hand drifted to the leather strap of her satchel. “The compass keeps pointing there because the breach hasn’t closed.” Quinn pulled the plastic strip from the body bag and sealed the evidence pouch. Her eyes stayed on the brick seam. The wet draft touched her face again, colder this time, carrying a faint smell of iron and candle smoke from the other side of the wall. A uniform at the end of the platform called for a photographer. Another voice answered from somewhere near the stairs. The station went on breathing around them, deep and hidden. Quinn stepped closer to the arch and rested two fingers on the mortar. A pulse moved under the bricks. She turned to Byrne. “Get me everything from the trader who found him. Names, stalls, bone tokens, the lot.” Byrne looked at her for a second, then gave a short nod. “You’re serious.” Quinn watched the seam in the wall as the compass needle quivered harder in her hand. “Dead serious.”
created_at"2026-03-18T11:11:57.821Z" 3/18/2026, 11:11:57 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency41365
moderation_latency(null)
generation_time45085
tokens_prompt1149
tokens_completion4355
native_tokens_prompt1009
native_tokens_completion6538
native_tokens_completion_images0
native_tokens_reasoning3916
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"
usage0.03017775
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0890f94d0bdff4530169ba887de1648197bd87312cdea8fa72"
is_byokfalse
latency221
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-1773832317-23b1rCLadRWYSEFrFCul"
upstream_id"resp_0890f94d0bdff4530169ba887de1648197bd87312cdea8fa72"
total_cost0.03017775
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences63
tagDensity0.079
leniency0.159
rawRatio0
effectiveRatio0
97.60% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2086
totalAiIsmAdverbs1
found
0
adverb"slowly"
count1
highlights
0"slowly"
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)
88.02% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2086
totalAiIsms5
found
0
word"weight"
count1
1
word"etched"
count1
2
word"trembled"
count1
3
word"pulse"
count1
4
word"quivered"
count1
highlights
0"weight"
1"etched"
2"trembled"
3"pulse"
4"quivered"
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
narrationSentences153
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences153
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences211
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen63
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2086
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
43.62% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions70
wordCount1457
uniqueNames7
maxNameDensity2.13
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Quinn31
Camden1
Tube1
Sergeant1
Malik1
Byrne20
Eva15
persons
0"Quinn"
1"Sergeant"
2"Malik"
3"Byrne"
4"Eva"
places(empty)
globalScore0.436
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences112
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords0.959
wordCount2086
matches
0"not north, not east, but toward a bricked-up maintenance arch behind the old ticket l"
1"not east, but toward a bricked-up maintenance arch behind the old ticket l"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences211
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs106
mean19.68
std19.23
cv0.977
sampleLengths
061
155
25
312
48
585
626
75
88
912
1040
118
1210
1312
143
151
1647
1715
188
1965
206
216
2246
2321
2440
253
2618
2710
284
298
3026
3111
326
3356
3418
355
3614
3711
383
3915
4043
4113
4210
431
4419
4550
4655
476
488
494
98.38% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences153
matches
0"been thrown"
1"been etched"
2"been painted"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs216
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences211
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1460
adjectiveStacks0
stackExamples(empty)
adverbCount37
adverbRatio0.025342465753424658
lyAdverbCount3
lyAdverbRatio0.002054794520547945
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences211
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences211
mean9.89
std8.83
cv0.893
sampleLengths
016
121
224
326
413
516
65
712
88
98
1024
1128
125
138
1412
1526
165
178
187
195
2017
2116
227
238
247
253
2612
273
281
299
306
319
325
336
3412
354
3611
378
3813
3920
407
416
4219
436
446
459
4637
473
4812
496
46.21% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.26066350710900477
totalSentences211
uniqueOpeners55
23.98% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences139
matches
0"Then she saw it."
ratio0.007
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences139
matches
0"Her curly red hair had"
1"She pushed her round glasses"
2"He tipped his chin at"
3"She caught the heel with"
4"His shirt had split at"
5"Her gloved fingers worked it"
6"Her eyes sharpened behind her"
7"She crouched and ran her"
8"She brushed a finger close"
9"She followed it with her"
10"It stopped under the dead"
11"Her freckles stood out sharp"
12"She held up a gloved"
13"His tongue showed dark at"
14"She watched it gather, then"
15"She looked back at Byrne."
16"He stared at her as"
17"Her voice stayed low, careful,"
18"It held a fine silver"
19"She looked to the side"
ratio0.165
24.75% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount121
totalSentences139
matches
0"The lift groaned as it"
1"The air turned damp and"
2"Eva waited at the bottom"
3"Her curly red hair had"
4"She pushed her round glasses"
5"Quinn stepped off the lift"
6"The abandoned Tube station had"
7"Stalls of black lacquered wood"
8"A string of work lamps"
9"Uniforms moved between the stalls."
10"Forensics crouched near the edge"
11"A copper urn had spilled"
12"Eva shifted her satchel higher."
13"Quinn’s gaze stayed on the"
14"A man in a dark"
15"Detective Sergeant Malik Byrne had"
16"He tipped his chin at"
17"Quinn walked past him toward"
18"Quinn pulled on gloves and"
19"The victim’s shoes stuck out"
ratio0.871
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences139
matches(empty)
ratio0
91.84% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences56
technicalSentenceCount4
matches
0"A string of work lamps had been thrown over a rusted beam, flooding the place in a harsh white glare that made every crack in the tiles show."
1"A line of tiny black burns ringed the torn cloth as if the fabric had kissed a hot wire."
2"He stared at her as if she had switched languages halfway through the conversation."
3"It held a fine silver grit, the kind that clung to old river stone."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount0
fancyTags(empty)
dialogueSentences63
tagDensity0.079
leniency0.159
rawRatio0
effectiveRatio0
87.1464%