Run: 2026-09-23-01M36R21F45DDZS6D6WHECFB3G

Run Details

Duration:
1m 25s
Cost:
$0.003166
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
Quinn ducked beneath the service arch and stepped into the abandoned station. The air smelled of wet stone, hot copper and something sweet that clung to the back of her throat. Beyond the police cordon, stalls crowded the old platform: jars of blue powder, knives with bone handles, coils of black wire that twitched when no one touched them. Their owners watched her come in. No one spoke. A uniform officer held the bone token that had let them through the station’s iron gate. Its pale surface bore a thumb-shaped hollow. Quinn glanced at it, then at the body. The dead man lay beside the shuttered ticket booth, his legs angled towards the tracks. He wore a charcoal coat, black gloves and shoes too polished for the dust underfoot. A dark stain spread beneath his chest. A small brass compass rested near his right hand, its casing green with verdigris. Detective Sergeant Nair stood over the body with his notebook open. “Male, about fifty. One puncture wound to the chest. No weapon. His wallet’s gone, and so is whatever he carried in that coat pocket.” Nair nodded towards a torn lining. “One of the traders heard a shout. By the time he reached the platform, this one was down.” Quinn crouched beside the stain without touching it. The old tiles sloped towards the tracks; rainwater from the station mouth had carved pale channels in the grime. The blood had spread the other way, uphill, into a neat oval. “Who found him?” “Trader called Sable. She’s beyond the tape. Says she didn’t see anyone leave.” “She saw the body?” “From the stall opposite. She heard the shout, turned, found him there.” Nair tapped his notebook with his pen. “Market deal gone bad. Someone took the money and left through the stalls. We’ll have names once the uniforms finish taking statements.” Quinn studied the dead man’s shoes. No dust dulled their toes. A thin band of grey grit ringed the soles, but none of it matched the fine black powder that coated the platform. She shifted to look at the ground around his heels. Dust lay in an unbroken skin beyond the stain. No scuff marks. No heel prints. No drag. “Your killer crossed the platform without touching it.” Nair lowered his notebook. “Could’ve kept to the rails. There’s an access tunnel at the far end.” “Then he’d have crossed the dust.” “Unless he knew where to step.” Quinn looked past the body. The access tunnel’s mouth gaped under a cracked sign. A strip of police tape blocked it. No footprints showed between the tunnel and the corpse, not even a faint toe mark in the powder. “Did you check the tunnel?” “Two officers went in. It ends at a service door. Locked from this side.” “Any prints?” “None worth lifting.” Quinn leaned closer to the dead man. His coat had soaked through at the chest, but his gloves were clean. No blood on the cuffs. No smear across his palms. She examined the exposed skin at his throat. A dusting of grey marked the collar, though the hair above it remained clean. “Where’s the blood on his hands?” “He may have been hit too fast to react.” “His fingers are closed around nothing.” Nair looked at the man’s right hand, then at the compass beside it. The dead man’s fingers curled towards his palm, stiff at the joints. Quinn used her pen to indicate the coat. “The stain starts under the fabric. It doesn’t spread down the front.” “He was stabbed through the coat.” “Then why is there no blood on the gloves? Why is the pool uphill? Why does the dust stop in a clean ring around him?” Nair drew a line through a note in his book. “Because somebody staged the scene.” “That’s an answer. Not an explanation.” A movement at the cordon caught Quinn’s eye. Eva Kowalski stood with one hand on the strap of her worn leather satchel. Her curly red hair had escaped its tie and framed her round glasses; freckles stood out against the paleness of her face. She tucked a strand behind her left ear. “Detective Quinn, the compass shouldn’t be on the floor.” Nair stepped between Eva and the body. “You’re a witness, Miss Kowalski. Keep behind the tape.” “I am behind the tape.” Eva lifted the satchel strap higher on her shoulder. “And I’m telling you the compass shouldn’t be on the floor.” Quinn kept her eyes on the object. “You know it?” “I’ve seen one in an archive illustration. A Veil Compass. The casing’s brass, the markings are protective sigils. The needle points towards the nearest rift or portal.” Nair let out a breath through his nose. “Convenient. A compass that points at whatever the story needs.” Eva’s gaze stayed on Quinn. “It doesn’t point north.” Quinn took a step around the body. The needle lay under the cloudy glass, angled towards the tiled wall behind the ticket booth. The compass had no visible hinge or lid. Green patina covered the casing, but the sigils around its face had been rubbed clean in places. “Did the officers move it?” “No,” Nair replied. “It was where the body’s hand fell.” Quinn glanced at the corpse’s curled fingers. The gap between them and the compass was wider than it had looked from above. A narrow strip of dust separated the man’s hand from the brass casing. “Then he didn’t drop it.” “Or it rolled.” “On a level floor?” “The floor isn’t level,” Nair said. “The floor slopes towards the tracks.” Quinn pointed with her pen. “It would have rolled the other way.” She crouched again, watching the compass needle. It did not sway when a trader moved past the cordon. The point remained fixed on the wall. Eva pushed her glasses higher. “That section of the station was sealed before the Market moved in. There’s no passage behind it.” “Market?” Nair asked. Eva’s mouth tightened. “The people beyond your tape call it that.” Quinn looked at the wall. The tiles were the same cream and green as the rest of the station, their glaze dulled beneath a film of grime. A faded route map hung to the left. The tiled section behind the compass had no door, no handle, no obvious seam. “What was the last full moon?” Quinn asked. “Six nights ago,” Eva replied. Nair gave Quinn a sidelong look. “What does that have to do with murder?” “The Market changes locations every full moon,” Eva answered. “This station was its last site.” “So our killer knew the Market would clear out and picked an empty platform.” “It hasn’t cleared out,” Eva said. “Not yet.” A stallholder beyond the cordon drew a hood over his face. The jars on his table clicked together though no one stood beside them. Quinn examined the dust once more. The body’s shoulders rested on the platform, but the grit around them had not been crushed. Dust clung to the coat’s hem, yet the back of its collar remained clean. Someone could have carried him in, but a body that size would brush the wall, catch the floor, disturb the powder. No mark led from either entrance. She stood. “Where’s the nearest door behind that wall?” Nair flipped to the station plan in his folder. “There isn’t one.” “Check the other side.” “Quinn, the building plans—” “Check the other side.” He signalled to a uniform officer. The officer threaded between the stalls and disappeared through a narrow archway. Nair watched him go, his jaw working. Eva drew a small book from her satchel, then stopped when Quinn looked at her. “Don’t touch anything.” “I wasn’t going to. The compass is already telling us.” “It’s telling us something points at that wall. It hasn’t told us who killed him.” “No. But it tells us the scene has an exit you haven’t found.” Quinn bent over the compass again. The sigils around the glass were cut with a fine tool. Several had been filled with pale dust, except for one at the six o’clock mark. A dark fleck sat in its groove. Quinn lowered her face. The fleck shone wet under the station lamps. “Photograph the markings close,” she called to the scene technician. “And the needle’s position. No one moves the compass.” Nair folded his arms. “If it points at a portal, what does that make the scene?” “An entry point.” “For the killer?” “Or the body.” The officer returned from the archway with dust on his sleeves. “There’s nothing behind that wall,” he reported. “Just the old cable room. Sealed up years back. I checked the access corridor.” Quinn watched the man’s sleeves. A pale stripe of grit marked his right cuff. It matched the ring around the dead man’s shoes, not the powder coating the platform. “Where’d you get that dust?” The officer looked at his sleeve. “In the cable room. There’s a gap under the door. Some of it sifted through.” “How far from this wall?” “On the other side. A few metres.” Quinn returned to the tiles. She ran the light from her phone along their surface. Most grout lines held black grime. One vertical seam, narrow as a knife cut, had a clean edge. She pressed her gloved knuckle against the tile. It answered with a hollow click. Nair closed his notebook. “Get the building engineer.” “No.” Quinn pointed at the seam. “Photograph it first. Then find me the cable-room key.” Eva leaned towards the wall, stopping short of the tape. The compass needle held its line against the tiles. “Don’t force it,” she warned. “If the rift is open, the compass will keep pointing through it.” Quinn met her gaze, then looked back at the clean seam. The blood pooled uphill. The dust beneath the corpse remained unbroken. The compass pointed through a wall with a locked room beyond it, and the dead man’s shoes carried grit from the other side. “Bag the compass after the photographs,” Quinn ordered. “Then nobody crosses that platform until I know what came through the wall.”
created_at"2026-09-23T09:03:00.079Z" 9/23/2026, 9:03:00 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency38683
moderation_latency(null)
generation_time85314
tokens_prompt1112
tokens_completion3306
native_tokens_prompt1009
native_tokens_completion6130
native_tokens_completion_images0
native_tokens_reasoning3964
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"
usage0.0031659
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790154180-pGUA9w4K9rvs1k05EZsJ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790154180-6eZMDu0ZO4XgMwW3wMkW"
upstream_id"resp_01e92aee7f83e79d016ab395c42e4887d1824f029b4afa3a43"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_01e92aee7f83e79d016ab395c42e4887d1824f029b4afa3a43"
is_byokfalse
latency1421
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0031659
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)
dialogueSentences79
tagDensity0.19
leniency0.38
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1680
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)
100.00% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1680
totalAiIsms0
found(empty)
highlights(empty)
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"let out a breath"
count1
highlights
0"let out a breath"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences118
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences118
filterMatches
0"look"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences182
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1680
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
32.08% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount1060
uniqueNames5
maxNameDensity2.36
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Sergeant1
Nair16
Quinn25
Kowalski1
Eva11
persons
0"Sergeant"
1"Nair"
2"Quinn"
3"Kowalski"
4"Eva"
places(empty)
globalScore0.321
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences86
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1680
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences182
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs100
mean16.8
std15.43
cv0.919
sampleLengths
012
156
231
351
411
548
639
73
813
94
1012
117
1222
1360
148
154
1613
176
186
1939
205
2114
222
233
2452
256
269
276
2825
2920
306
3125
3210
335
346
3552
369
377
389
3925
4010
4127
428
4310
449
4548
465
4710
4835
495
96.34% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences118
matches
0"been rubbed"
1"been crushed"
2"been filled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs163
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount2
flaggedSentences2
totalSentences182
ratio0.011
matches
0"The old tiles sloped towards the tracks; rainwater from the station mouth had carved pale channels in the grime."
1"Her curly red hair had escaped its tie and framed her round glasses; freckles stood out against the paleness of her face."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1061
adjectiveStacks0
stackExamples(empty)
adverbCount10
adverbRatio0.00942507068803016
lyAdverbCount1
lyAdverbRatio0.000942507068803016
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences182
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences182
mean9.23
std5.43
cv0.588
sampleLengths
012
119
228
36
43
516
67
78
815
915
107
1114
1211
1330
1418
158
1619
1712
183
1913
204
2112
227
2322
246
255
2622
2710
289
293
303
312
328
334
3413
356
366
375
389
397
4018
415
4214
432
443
457
4613
475
485
498
50.00% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.32967032967032966
totalSentences182
uniqueOpeners60
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences106
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount16
totalSentences106
matches
0"Their owners watched her come"
1"Its pale surface bore a"
2"He wore a charcoal coat,"
3"She shifted to look at"
4"His coat had soaked through"
5"She examined the exposed skin"
6"Her curly red hair had"
7"She tucked a strand behind"
8"She crouched again, watching the"
9"It did not sway when"
10"He signalled to a uniform"
11"she called to the scene"
12"It matched the ring around"
13"She ran the light from"
14"She pressed her gloved knuckle"
15"It answered with a hollow"
ratio0.151
16.60% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount94
totalSentences106
matches
0"Quinn ducked beneath the service"
1"The air smelled of wet"
2"Their owners watched her come"
3"A uniform officer held the"
4"Its pale surface bore a"
5"Quinn glanced at it, then"
6"The dead man lay beside"
7"He wore a charcoal coat,"
8"A dark stain spread beneath"
9"A small brass compass rested"
10"Detective Sergeant Nair stood over"
11"Nair nodded towards a torn"
12"Quinn crouched beside the stain"
13"The old tiles sloped towards"
14"The blood had spread the"
15"Nair tapped his notebook with"
16"Quinn studied the dead man’s"
17"A thin band of grey"
18"She shifted to look at"
19"Dust lay in an unbroken"
ratio0.887
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences106
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences43
technicalSentenceCount1
matches
0"A uniform officer held the bone token that had let them through the station’s iron gate."
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
totalTags11
fancyCount3
fancyTags
0"he reported (report)"
1"she warned (warn)"
2"Quinn ordered (order)"
dialogueSentences79
tagDensity0.139
leniency0.278
rawRatio0.273
effectiveRatio0.076
86.5007%