Run: 2026-09-23-01M36NV979ZMN02R4QTZQ9GQ0T

Run Details

Duration:
38.3s
Cost:
$0.001389
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
Detective Harlow Quinn ducked beneath the strip of blue tape and stepped into the abandoned Tube station. Water tapped from the ceiling into a cracked enamel bucket. Each drop struck with a clean, hollow note that carried down the platform. A row of dead lamps hung above the tracks, but the crime-scene team had set up portable lights. Their white glare cut the station into hard-edged pieces: tiled pillars, rusted rails, a ticket booth furred with dust. A constable held out a paper cup. “Coffee, Detective?” Quinn looked past him. “Where’s the body?” “Platform two. Near the old signal box.” She left the coffee untouched. The station smelled of wet stone, hot wires and something sweet beneath both, like fruit left too long in a cupboard. Quinn checked the worn leather watch on her left wrist. The minute hand had stopped at 8:17. She pressed the crown. Nothing moved. “Your watch quit too?” asked Detective Sergeant Vale, coming down the steps behind her. Quinn glanced at his wrist. His digital display showed a row of zeros. “Not the time for jokes.” “Wasn’t making one.” Vale was in his shirtsleeves, tie loosened, one cuff marked with grime. He had spent the past hour talking to witnesses aboveground. Now he pointed down the platform. “Victim’s male. No identification on him. No weapon. The place was locked up when we arrived. Camden’s maintenance crew found the entrance open.” “Locked by whom?” “Good question. There’s no sign of forced entry.” Quinn passed the signal box. The first uniformed officer had put a clear evidence tent over a small brass object near the body. Its casing shone green under the portable lights, etched with fine marks that looked more deliberate than decoration. She crouched beside the body. The dead man lay on his back with his arms at his sides. His coat was dry. The floor around him was wet, though the water had gathered in shallow beads that stopped short of his shoulders. His face had gone grey. No blood showed on his clothes. Quinn examined his hands first. Dirt beneath the nails. A thin cut on the right palm, already dark at the edges. She turned his wrist with a gloved finger. No watch. No bracelet. A faint pale band showed where one might have been. “Cause of death?” she asked. “Paramedics called it cardiac arrest,” Vale replied. “No trauma. The pathologist’s on the way.” “Cardiac arrest isn’t a cause. It’s a description.” “I know.” Quinn looked at the dead man’s shoes. One sole carried a smear of pale grit. The other bore a streak of black grease. His trouser cuffs were dry. His coat was dry. Yet droplets clung to his hair as if he had stood in rain. “Who found him?” “Maintenance worker. Name’s Pritchard. He’s upstairs with a constable. Says he heard a bell.” “A bell?” “Once. Then he came down and found the body.” Quinn stood. “What did you see when you arrived?” Vale nodded toward the tracks. “That.” A metal service door stood open beyond the platform’s end. It was painted the same brown as the walls and almost hidden behind a pillar. A chain hung loose from its handle. On the platform, a trail of wet footprints led from the door to the body. Quinn studied the marks. “How many people came through?” “Two sets. Pritchard’s boots, then ours. We preserved the first set.” “Show me.” Vale walked her to the door. The marks were clear in the damp grit: deep heel, shallow toe, right foot turned out. They came from the doorway, crossed the platform, and ended beside the victim’s left shoulder. No return trail. “And the door?” Quinn asked. “Pritchard says it was shut when he found it. The chain was on the floor.” “Was he carrying a key?” “No.” Quinn turned the chain over with a gloved hand. Its links were clean, without rust flakes or dust. The door’s threshold, though, had no fresh scrape marks. If someone had dragged the chain off in haste, the metal should have scored the paint or disturbed the powder gathered along the sill. “Your entry team opened this?” “Fire brigade did. They forced the service lock.” “Then the chain came off after they opened it.” Vale’s brow tightened. “How?” “Someone put it there.” “Why stage a chained door after breaking it?” Quinn looked at him. “That’s what we’re here to find out.” She returned to the body and took in the whole platform. The lights hummed. The bucket received another drop. The body sat between the signal box and the brass object, with the old tracks behind it. No blood, no weapon, no sign of a struggle. The arrangement looked tidy. Too tidy. “Could he have come through the door, collapsed, and been found by Pritchard?” Vale asked. “The footprints fit.” “His clothes don’t.” “He could’ve changed.” “Where’s the water from?” “The ceiling leaks.” “Not enough to soak one person’s hair and leave his collar dry.” Quinn pointed to the hairline. “Those droplets are on top. His coat’s dry. Someone wet his head after he died.” Vale followed her gaze. “To imitate rain?” “Or to make us look at the wrong thing.” She crouched again and examined the cut in the man’s palm. The wound sat across the crease at the base of his thumb. Its edges were neat, but there was no blood on the ground. “Could be from the brass object.” Vale glanced toward the evidence tent. “You think that’s a weapon?” “I think someone wanted us to notice it.” The officer beside the object shifted his weight. Quinn gave him a nod and lifted the tent with forceps. The compass beneath it was small enough to fit in a palm. Verdigris covered the brass casing. Fine sigils had been scratched into the face around a narrow needle. Quinn leaned closer. The needle trembled, then swung away from the tracks and settled toward the service door. “Is that normal?” Vale asked. “For a compass?” “It’s not pointing north.” “Maybe it’s broken.” She examined the casing without touching it. No fingerprints could be seen through the grime. One corner had a shallow dent. The needle quivered again, though neither she nor Vale moved. “Bag it,” she told the officer. “Separate container. No one handles it bare.” Vale’s eyes stayed on the needle. “You’ve seen one of these before?” “No.” The answer came too quickly. Quinn heard it in her own voice and hated the small strain at its centre. Three years earlier, DS Morris had stood in a passage beneath the city with a torch in one hand and a cracked phone in the other. Quinn remembered the cold, the static on the radio, the way every instrument had stopped at 8:17. Then the lights had gone out. Morris had vanished before they came back on. His blood had never been found. She turned from the compass. “Let’s see the door from the other side.” The service passage beyond it ran between tiled walls. The air felt warmer there. Quinn swept her torch across the floor. Dust lay thick near the walls, undisturbed except for a narrow track of pale grit leading inward. “Not outward,” Vale said. Quinn crouched. The grit formed a line from the dark end of the passage toward the doorway. Near the threshold, it stopped. “Someone swept it,” she said. “With what?” “Something that didn’t leave bristles.” Vale bent beside her. “Or it’s runoff from the ceiling.” “No. Look at the edge.” The line ended in a straight boundary, as if a knife had cut it. Quinn traced it without touching. A second trail of grit appeared beneath the first, nearly invisible, leading from the doorway deeper into the passage. “Two directions,” Vale said. “One layer over the other.” She followed the lower trail. It passed a wall recess, then disappeared beneath a maintenance cabinet. Quinn opened the cabinet. Inside lay old wire, a bent spanner and a red plastic torch. The torch was switched off. Its lens had a film of moisture on the inside. “Someone came in from this end,” she said. “Then someone covered the prints with grit on their way out.” Vale shook his head. “Why?” “To give us a trail to the body. The obvious route. The one that begins at the door and stops beside him.” “But the real route?” Quinn pulled the cabinet aside. A low hatch sat behind it, its hinges black with age. One screw had been removed and set on the floor. The hatch stood open by a finger’s width. She eased it wider. A cramped stair descended into darkness. “Does this appear on the station plans?” she asked. “Not the ones we have.” “Get a team down here. Slow and no radios until we know the signal’s clear.” Vale straightened. “You think there’s someone below?” “I think there was.” A constable arrived with a pair of gloves and a compact camera. Quinn pointed him toward the hatch, then slipped down the first three steps. The air changed at once, damp and mineral-rich. Her torch beam caught a smear on the wall at shoulder height: a handprint, its fingers stretched as though the person had been dragged sideways. The print was not red. It shone like oil. “Photograph it,” she called up. The constable leaned over her shoulder. “That could be residue from a chemical.” “Could be.” The steps ended at a short tunnel blocked by a brick wall. Quinn ran her light along the mortar. Most of it had aged to a soft grey, but a fresh patch had been pressed into a gap near the floor. She scraped a fleck with her gloved nail. The material clung to the glove, black and fibrous. Behind her, Vale spoke from the stairwell. “The pathologist’s here. She says the body had no pulse for at least an hour before the call came in.” Quinn looked at the fresh mortar. “When did Pritchard hear the bell?” “Just after nine.” “And when did he call it in?” “Quarter past.” She checked her stopped watch. Still 8:17. “Get Pritchard down here.” Vale’s face hardened. “He’s upstairs.” “Then bring him.” “Quinn, the prints lead to the body. The door was chained. The maintenance worker found him. We’ve got a strange compass and a hidden hatch, but neither puts Pritchard in that tunnel.” “The grit does. So does the mortar.” “He could’ve been covering for someone.” “Maybe. Ask him what the bell sounded like.” Vale’s mouth set. “A bell’s a bell.” “No. There was no bell in this station. Ask him whether it rang once or twice.” Vale held her gaze for a beat, then climbed the steps. Quinn stayed at the bottom. She turned her torch on the brick wall again. The black residue on her glove gave off the same sweet, spoiled-fruit smell she had noticed on the platform. Her hand trembled once. She pressed it against her coat until it stopped. A faint tick sounded behind the wall. Not from the station clock. Not from her watch. Quinn lifted the torch. The compass in the evidence officer’s hands, visible through the open hatch above, had turned its needle toward the brickwork. “Don’t move it,” she called. “What?” “Set it down.” The officer lowered the compass onto the platform floor. Its needle swung in a tight circle and settled again, aimed through the wall. A second tick came from beyond the bricks. Quinn stepped closer. Fresh mortar cracked beneath her boot. A thin line opened between two bricks, and cold air breathed through it, lifting the hair at her temples. She set her palm against the wall. The stone was warm. At the top of the stairs, Vale called her name. Quinn kept her hand against the bricks. “What did Pritchard say?” “He says the bell rang twice.” The gap widened under her palm. A single grain of mortar dropped into the dark.
created_at"2026-09-23T08:24:21.487Z" 9/23/2026, 8:24:21 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2713
moderation_latency(null)
generation_time38281
tokens_prompt1112
tokens_completion3091
native_tokens_prompt1009
native_tokens_completion2576
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.0013889
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151861-FLGEREaCWavAlsCpppqb"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151861-cqeT0AlFr1iLm0JYWiPN"
upstream_id"resp_00aa5ed2f7dde6fd016ab38cb6243087d1945b66ab07664695"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_00aa5ed2f7dde6fd016ab38cb6243087d1945b66ab07664695"
is_byokfalse
latency1355
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0013889
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags15
adverbTagCount0
adverbTags(empty)
dialogueSentences96
tagDensity0.156
leniency0.313
rawRatio0
effectiveRatio0
97.48% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1987
totalAiIsmAdverbs1
found
0
adverb"quickly"
count1
highlights
0"quickly"
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)
82.39% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1987
totalAiIsms7
found
0
word"etched"
count1
1
word"weight"
count1
2
word"trembled"
count2
3
word"quivered"
count1
4
word"traced"
count1
5
word"pulse"
count1
highlights
0"etched"
1"weight"
2"trembled"
3"quivered"
4"traced"
5"pulse"
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
narrationSentences170
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences170
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences251
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1987
ratio0
matches(empty)
98.68% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions19
unquotedAttributions2
matches
0"Behind her, Vale spoke from the stairwell."
1"At the top of the stairs, Vale called her name."
46.58% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions61
wordCount1402
uniqueNames8
maxNameDensity2.07
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn29
Tube1
Detective2
Sergeant1
Vale22
Morris2
One3
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Vale"
4"Morris"
places(empty)
globalScore0.466
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences101
glossingSentenceCount1
matches
0"appeared beneath the first, nearly invisible, leading from the doorway deeper into the passage"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.503
wordCount1987
matches
0"neither she nor"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences251
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs136
mean14.61
std15.17
cv1.039
sampleLengths
017
160
27
32
47
57
65
738
86
914
1013
115
123
1328
1423
153
168
1741
185
1948
2043
215
2214
238
242
2545
263
2714
282
299
309
316
3247
339
3411
352
3640
375
3815
395
401
4151
425
438
449
454
464
478
4811
4951
90.82% Passive voice overuse
Target: ≤2% passive sentences
passiveCount7
totalSentences170
matches
0"was painted"
1"been scratched"
2"been found"
3"was switched"
4"been removed"
5"been dragged"
6"been pressed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs224
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences251
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1406
adjectiveStacks1
stackExamples
0"Inside lay old wire,"
adverbCount24
adverbRatio0.017069701280227598
lyAdverbCount2
lyAdverbRatio0.001422475106685633
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences251
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences251
mean7.92
std5.38
cv0.68
sampleLengths
017
110
213
318
419
57
62
74
83
97
105
1121
1210
137
144
152
1614
175
188
195
203
2112
2210
236
2423
253
268
275
2818
2918
305
3113
324
3320
345
356
365
374
3812
398
402
412
4210
435
447
457
468
472
487
498
54.71% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.3426294820717131
totalSentences251
uniqueOpeners86
22.08% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences151
matches
0"Then the lights had gone"
ratio0.007
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount36
totalSentences151
matches
0"Their white glare cut the"
1"She left the coffee untouched."
2"She pressed the crown."
3"His digital display showed a"
4"He had spent the past"
5"Its casing shone green under"
6"She crouched beside the body."
7"His coat was dry."
8"His face had gone grey."
9"She turned his wrist with"
10"His trouser cuffs were dry."
11"His coat was dry."
12"It was painted the same"
13"They came from the doorway,"
14"Its links were clean, without"
15"She returned to the body"
16"She crouched again and examined"
17"Its edges were neat, but"
18"She examined the casing without"
19"she told the officer"
ratio0.238
36.16% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount128
totalSentences151
matches
0"Detective Harlow Quinn ducked beneath"
1"Water tapped from the ceiling"
2"Each drop struck with a"
3"A row of dead lamps"
4"Their white glare cut the"
5"A constable held out a"
6"Quinn looked past him."
7"She left the coffee untouched."
8"The station smelled of wet"
9"Quinn checked the worn leather"
10"The minute hand had stopped"
11"She pressed the crown."
12"Quinn glanced at his wrist."
13"His digital display showed a"
14"Vale was in his shirtsleeves,"
15"He had spent the past"
16"Quinn passed the signal box."
17"The first uniformed officer had"
18"Its casing shone green under"
19"She crouched beside the body."
ratio0.848
66.23% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences151
matches
0"Now he pointed down the"
1"If someone had dragged the"
ratio0.013
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences55
technicalSentenceCount1
matches
0"Her torch beam caught a smear on the wall at shoulder height: a handprint, its fingers stretched as though the person had been dragged sideways."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags15
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags13
fancyCount0
fancyTags(empty)
dialogueSentences96
tagDensity0.135
leniency0.271
rawRatio0
effectiveRatio0
89.6373%