Run: 2026-09-23-01M36P5B1KQKPZ92EWE7Q7BQJM

Run Details

Duration:
46.5s
Cost:
$0.001588
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 entrance was a locked maintenance door behind a Camden takeaway, and the key in the lock was a finger bone. Harlow Quinn stopped beneath the bare bulb while the uniformed constable beside her held the door open with his boot. The bone had been polished smooth at the knuckle and threaded with a red cord. It turned in the lock without a scrape. “Someone’s got a sense of humour,” the constable muttered. “Bag it.” He hesitated. Quinn’s brown eyes stayed on him until he reached for an evidence pouch. The stairwell descended farther than the street above allowed. Damp brick gave way to old white tiles, then to a green-painted passage where the air carried iron, wet stone and a trace of burnt sugar. Quinn kept one hand near her holster. Her worn leather watch pressed against her wrist as she checked the time. At the bottom, a station opened around her. No station on the Metropolitan line maps had served this part of Camden. The platforms lay beneath a high barrel vault, their edges chipped and black with soot. Stalls crowded the concourse: locked cabinets, folding tables, glass cases filled with silver charms and bottles the colour of bruises. Most stood empty. A few lamps still burned behind shutters. Beyond them, an arched tunnel vanished into dark. Detective Sergeant Malik waited at the foot of the stairs, coat collar up. His gaze swept her from boots to cropped salt-and-pepper hair. “You took your time.” “The stairs kept moving?” “One of the uniforms swears there were twelve flights. He counted eight on the way back.” “Write down what he swears. Don’t write down what he thinks.” Malik jerked his chin towards the platform. “Victim’s there. No ID yet. One wound, one knife, a lot of red paint. Looks like someone wanted a ritual killing.” Quinn stepped past him. “And you think the paint was red paint?” “I think no one bleeds that colour.” The body lay on the tiled floor between two market stalls. A man in a dark waistcoat, perhaps fifty, rested on his back with his knees straight and his hands folded over his stomach. A narrow knife protruded from his chest. His skin had the grey cast of a winter morning. The blood around him was dark and tacky, though a slick line ran from his shoulder to the platform edge, glossy under the lamps. Quinn crouched without touching the body. The knife’s handle bore a carved spiral. A brass compass lay near the man’s right hand, its casing mottled with green. Sigils crowded the face around a clear glass lens. The needle pointed away from the tracks, towards a wall of glazed tile. “Who found him?” “Market security. They’re not giving names.” Malik glanced at the empty stalls. “They don’t seem keen on us being here.” “Most people don’t.” “Most people don’t have a stall full of teeth in jars.” Quinn looked at the dead man’s hands. No blood marked his cuffs. His nails were clean. The folds of his waistcoat sat neat over his ribs, except for a small twist in the cloth beneath the knife. She leaned closer. A thin crescent of dust clung to the heel of his right shoe. The left shoe had none. “Did anyone move him?” “Security claims not.” “Then why’s the blood running uphill?” Malik followed her gaze. The glossy line climbed the slight incline from the body towards the wall, against the platform’s slope. He frowned. “Could be the floor’s buckled.” “Then the blood would collect in the hollow. It’s spread in a line.” She shifted to the other side of the corpse. There was blood under the man’s coat, but little beneath his back. His shoulders rested on the tiles without disturbing the dust coating them. A shallow smear marked the floor from the body’s right hip to the platform edge. The smear ended at a metal strip bolted across the tile. “Looks like he was dragged,” Malik said. “Maybe. Where are the drag marks?” He scanned the floor. “There.” The body lay between two rows of dusty footprints, some narrow, some broad, all crowded around the scene. But none led to the smear. No heel furrow. No sleeve trail. Not even a clean line through the dust. Quinn rose. The market’s locked shutters reflected her face in warped strips. Her jaw tightened as she measured the scene: body, knife, compass, tile wall, tunnel. She took three steps towards the wall. “Don’t cross the tape,” Malik called. She stopped. “Who put that there?” “Your lot.” “Then tell my lot I need the wall.” Malik lifted the tape. Quinn stepped over it and pressed her palm against the tiles. The grout felt dry. She studied the pale surface, then crouched to inspect the lower row. One tile sat a fraction proud of the rest. Its edge showed a black crescent, clean of dust. “Someone opened it,” she murmured. Malik came up beside her. “It’s a wall.” “Walls don’t have hinges.” He leaned in. “Could be a service panel.” “Could be. When did the market security find him?” “Just after midnight.” “Who called us?” “A man with a London number. He gave the location and hung up.” “Did he mention the door?” “No.” Quinn returned to the body. She took in the knife’s angle. The handle tilted towards the man’s head; the blade entered from below the ribs and slanted up. A right-handed attacker standing over him would have had to reach across his body. The victim’s folded hands blocked the easiest line. “Self-inflicted?” Malik asked. “That’s what you think?” “Knife in the chest, hands placed together, no struggle. Somebody staged it, but the wound could be self-inflicted.” Quinn pointed at the man’s cuffs. “No blood on either hand. No blood on the handle except what’s pooled at the guard. The knife went in after he was dead, or close to it.” “And the blood?” “Not enough under him. Too much over there.” She indicated the rising streak. Malik’s face tightened. “You think they put the body on a table?” “Where’s the table?” He looked towards the empty stall behind them. Its counter stood chest-high, its surface bare apart from a neat square of dust where something had been removed. Quinn traced the imagined path from counter to corpse. The counter’s front edge carried a scuff at the corner. A dark thread clung to a splinter in the wood. The victim’s waistcoat had a tear at the right hip. “Get a photograph of that counter. Close-up on the scuff and the thread.” Malik signalled to the scene photographer, then turned back. “They carried him from the stall and planted him on the platform. The blood came from the counter.” “Maybe.” “The red line—” “Could’ve run from the counter. But it ends at the metal strip. Why?” He looked down. The strip divided two patches of tile. On the body’s side, dust covered the metal. On the other, the brass showed a bright line where something had rubbed it. Quinn crouched again, careful not to touch the surface. The worn mark curved in a shallow arc. “Something rolled over this.” “Cart?” “Cart wheels leave two marks.” She followed the arc to the base of the wall. A second crescent, almost hidden beneath a stall’s folded leg, cut through the dust. The compass needle pointed straight at it. Malik studied the little brass instrument. “That thing’s not pointing north.” “Did you check?” “I checked my phone.” “Phones lie down here.” He gave her a narrow look. “You’re taking the compass as evidence now?” “I’m taking its position as evidence. Someone placed it beside the victim. Its needle points at the wall. The panel’s been opened. The floor shows a curved track between the two.” “Or the compass is broken.” Quinn lifted her eyes to the tile face. “Then why place it there?” The photographer’s flash washed the platform in white. In the brief glare, she saw a second set of marks on the wall: a pale rectangular outline beneath the grime, no wider than a door and reaching from the floor to the chest-high row. The tiles inside the outline were clean. She stood. “Pull the stalls away from this wall.” Malik studied the outline. “You think the body came through there?” “I think someone brought it in on a panel, set it down, and shut the panel after. That would explain the clean floor, the uphill blood, and the missing drag marks.” “And the knife?” “A prop. Or a message.” “Ritual killing.” “Maybe.” The word had come out of his mouth first, but Quinn watched his expression shift. He no longer stared at the knife. His attention had moved to the tile outline and the polished metal strip at its base. Quinn took the evidence pouch from the constable and held it near the compass without touching the glass. The needle remained fixed on the wall. “Find me the mechanism,” she told Malik. “And keep everyone off this platform until we know which side of that panel we’re standing on.”
created_at"2026-09-23T08:29:51.034Z" 9/23/2026, 8:29:51 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency18182
moderation_latency(null)
generation_time46513
tokens_prompt1112
tokens_completion2350
native_tokens_prompt1009
native_tokens_completion2975
native_tokens_completion_images0
native_tokens_reasoning1034
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"
usage0.0015884
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790152191-dep9bxUc4ADAShXmhLUm"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790152191-U7R2U4DsIQVoizc5Tq0d"
upstream_id"resp_0f9f414398eade7e016ab38dff2c0887d1a035ae2ad32b2ba0"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0f9f414398eade7e016ab38dff2c0887d1a035ae2ad32b2ba0"
is_byokfalse
latency1082
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0015884
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
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences69
tagDensity0.101
leniency0.203
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1511
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)
83.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1511
totalAiIsms5
found
0
word"sense of"
count1
1
word"stomach"
count1
2
word"scanned"
count1
3
word"measured"
count1
4
word"traced"
count1
highlights
0"sense of"
1"stomach"
2"scanned"
3"measured"
4"traced"
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
narrationSentences109
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences109
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences171
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1511
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount1018
uniqueNames5
maxNameDensity1.47
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Malik"
discoveredNames
Camden2
Quinn15
Metropolitan1
Sergeant1
Malik14
persons
0"Quinn"
1"Sergeant"
2"Malik"
places(empty)
globalScore0.763
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1511
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences171
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs92
mean16.42
std17.38
cv1.058
sampleLengths
021
143
29
32
415
555
68
766
823
94
104
1116
1211
1328
1412
157
1675
1749
183
1920
203
2111
2258
234
243
256
2623
275
2813
2959
307
316
325
3338
3433
356
366
372
388
3949
405
418
424
438
449
453
463
4713
485
491
98.83% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences109
matches
0"been polished"
1"been removed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs158
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount1
flaggedSentences1
totalSentences171
ratio0.006
matches
0"The handle tilted towards the man’s head; the blade entered from below the ribs and slanted up."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1024
adjectiveStacks0
stackExamples(empty)
adverbCount17
adverbRatio0.0166015625
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences171
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences171
mean8.84
std6.3
cv0.712
sampleLengths
021
120
215
38
49
52
62
713
89
926
107
1113
128
1313
1415
1520
163
177
188
1913
2010
214
224
2316
2411
257
2621
274
288
297
3011
3123
327
3310
3424
356
367
3714
389
3913
403
4112
428
433
4411
457
465
474
4821
493
52.05% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats6
diversityRatio0.3333333333333333
totalSentences171
uniqueOpeners57
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences100
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount24
totalSentences100
matches
0"It turned in the lock"
1"Her worn leather watch pressed"
2"His gaze swept her from"
3"His skin had the grey"
4"His nails were clean."
5"She leaned closer."
6"She shifted to the other"
7"His shoulders rested on the"
8"He scanned the floor."
9"Her jaw tightened as she"
10"She took three steps towards"
11"She studied the pale surface,"
12"Its edge showed a black"
13"He leaned in."
14"She took in the knife’s"
15"She indicated the rising streak."
16"He looked towards the empty"
17"Its counter stood chest-high, its"
18"He looked down."
19"She followed the arc to"
ratio0.24
40.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount84
totalSentences100
matches
0"The entrance was a locked"
1"Harlow Quinn stopped beneath the"
2"The bone had been polished"
3"It turned in the lock"
4"the constable muttered"
5"Quinn’s brown eyes stayed on"
6"The stairwell descended farther than"
7"Quinn kept one hand near"
8"Her worn leather watch pressed"
9"The platforms lay beneath a"
10"Stalls crowded the concourse: locked"
11"Detective Sergeant Malik waited at"
12"His gaze swept her from"
13"Malik jerked his chin towards"
14"Quinn stepped past him."
15"The body lay on the"
16"A man in a dark"
17"A narrow knife protruded from"
18"His skin had the grey"
19"The blood around him was"
ratio0.84
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences100
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences42
technicalSentenceCount0
matches(empty)
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount2
fancyTags
0"the constable muttered (mutter)"
1"she murmured (murmur)"
dialogueSentences69
tagDensity0.087
leniency0.174
rawRatio0.333
effectiveRatio0.058
88.0331%