Run: 2026-09-23-01M36NQZFHXAWQPCFJJMEVPDT5

Run Details

Duration:
41.0s
Cost:
$0.001561
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 police tape and stepped into the abandoned Tube station. The platform lamps had no power, yet a row of them glowed a dull yellow above the tracks. Their light caught the damp brickwork and the silver frost on the rails. Somewhere beyond the tiled arch, water ticked into a bucket. “Careful where you put your feet,” called Sergeant Bell. “We’ve got blood on the platform and a body in the old ticket office.” Quinn looked down. The platform was dry. “You’ve got blood on the tiles,” she said. “Not on the dust.” Bell turned from the ticket-office doorway. He was a broad man with a paper cup in one hand and a damp notebook in the other. “You’ve been here ten seconds.” “And you’ve been here long enough to notice the floor.” His mouth tightened. He set the cup on a ledge and came towards her. “The victim’s Gideon Price. Forty-eight. Known fence. One stab wound, probably. No weapon found. We think he came down here for a deal and it went wrong.” “Who found him?” “Market security. They won’t give names. They won’t give anything, actually. We’ve got two witnesses who heard an argument, then a crash. Both say Price was alone when they arrived.” Quinn moved towards the ticket office. Her worn leather watch pressed against her left wrist as she lifted the tape. The building smelled of wet stone, burnt sugar and the sharp, clean tang of blood. Beneath it sat something like cold pennies held in a closed fist. “Market security,” she said. “In an abandoned station.” Bell followed her in. “You heard the rumours.” “I heard people make up stories when they don’t want to answer questions.” The ticket office had a booth with its glass smashed inward. Gideon Price lay on his back between the booth and the wall, one arm crooked beneath him. A dark stain spread over his shirt. His other hand rested near a brass token, blackened at the edges and pierced through the centre. Quinn crouched beside him. She kept her hands off the body. “Stab wound?” she asked. “Single puncture below the ribs. The paramedic called it fatal. No weapon.” “Then why’s there so little blood?” Bell glanced at the floor. “It ran under the body.” “No.” Quinn pointed to the shirt. The stain was broad and glossy, but its edges had dried in a neat, shallow ring. “This isn’t a wound pattern. Someone poured blood on him.” “Could’ve been a lot of blood loss.” “Then his clothes would’ve soaked through. The shirt’s clean under his shoulder. So is the floor.” Bell rocked back on his heels. “You’re saying someone staged it.” “I’m saying someone wanted us to think he’d been stabbed here.” She studied the body. Price’s coat had ridden up on one side. His shirt was open at the collar, and a faint grey powder clung to the fabric there. Quinn leaned closer. The powder had gathered in a narrow crease, as if a hand had pressed down on him after it settled. “Did anyone turn him over?” “No.” “Good. Bag the token. Photograph it first. I want the edges, the hole, both faces.” Bell gestured to a uniformed constable. The constable stepped forward, then stopped at Quinn’s raised hand. “Gloves,” she said. “And don’t pick it up by the hole.” The token caught the light. Its surface wasn’t metal, not quite. Bone, perhaps, darkened with soot. A shallow ring had been carved around its edge. Quinn had seen odd trade tokens before: tags for private clubs, coded markers for dealers, charms sold to tourists with more money than sense. She’d never seen one with a hole burned through the centre. Beyond the office, the platform opened into a black mouth where the tracks vanished. A length of yellow cord stretched across the edge. It was tied to a pillar and looped through the broken railing, as if someone had made a barrier in a hurry. Quinn stood. “Who put that up?” “Market security.” “When?” “Before we arrived.” “Then why isn’t it in the scene log?” Bell looked towards the constable. The constable bent over his notebook. “Could be an attempt to keep people away from the tracks,” Bell said. “There’s a drop.” “Not there. The platform edge is behind it.” Quinn examined the cord. It had been tied to the pillar with a sailor’s knot, tight and clean. The other end had a smear of white dust. “This was used as a guide line.” “For what?” “Someone moving something heavy. Or someone who couldn’t see.” Bell frowned. “It’s a bit of string.” “Then you won’t mind if I ask why it’s tied across the only clear route out.” She walked along the platform, following the cord with her eyes. It ended beside a tiled column. At its base, the dust had been disturbed in two curved sweeps. There were no boot prints, no drag marks. Just the arcs, pale against the grime. Quinn knelt. A small brass object sat wedged between the tiles and a chipped piece of concrete. It was no bigger than a pocket watch. Green patina clouded its casing. Protective marks had been etched around the face, tight and deliberate. The needle trembled beneath the glass. Bell came up behind her. “Don’t touch that.” “I wasn’t planning to.” “Looks like a compass.” Quinn tilted her head. The needle didn’t point north. It swung in a quick circle, slowed, then fixed on the dark end of the platform. “Someone dropped it,” Bell said. “Maybe Price.” “His pockets are empty?” “Wallet, phone, keys. No compass.” “Then it belonged to whoever brought him here.” Bell shifted his weight. “Or it’s rubbish from the market.” Quinn looked from the compass to the cord. The brass casing had a fresh scrape across one side. A thin line of green residue marked the tile beneath it, ending at the base of the column. “Get a close photograph,” she said. “And don’t open it.” “What does it do?” “Nothing we can establish without knowing what it is.” Bell glanced at the compass again. “It’s pointing at the tracks.” “No. It’s pointing through the wall.” “That wall’s solid.” Quinn rose and followed the needle’s line. It aimed towards a section of old green tiles, each one cracked but fixed in place. Her gaze caught on a patch where the grout looked darker, not from damp but from a fine black residue rubbed into the seams. “Has anyone tested the wall?” “Why would they?” “Because there’s no door.” She held her palm near the tiles. The cold penny smell sharpened. The back of her hand prickled. Bell took a half-step away. “You felt that?” “I smelled it.” The compass needle jerked. Its tip clicked against the glass. From the ticket office, someone called, “Detective?” Quinn turned. A woman stood behind the tape at the far end of the platform, red curls escaping a wool hat, a worn leather satchel pressed against her hip. Round glasses caught the weak lamp glow. She held up both hands, palms empty. Bell moved to intercept her. “You can’t be here.” “I know. I’m not here for the body.” The woman tucked a curl behind her left ear. “I came to identify the token.” Quinn watched her face. Freckles crossed her cheeks. She looked pale, but not shocked. “Name?” Quinn asked. “Eva Kowalski. I work in the British Museum’s restricted archives.” “Convenient.” “Not for me.” Eva glanced at the brass token beside the body. “That’s a bone token. It’s used for entry to the Veil Market.” Bell let out a short breath. “There is no Veil Market.” “Then someone’s gone to a lot of trouble to make a bone token and bring it down to a closed station.” Quinn kept her eyes on Eva. “You know the victim?” “I saw him once. He sold a box of stolen devotional medals through a contact of mine. I didn’t meet him.” “And you knew about the market?” “I’ve researched it. The market changes locations at every full moon. Tonight’s the full moon.” Bell gave Quinn a look that asked her not to indulge this. Quinn asked, “How did you get in?” “I didn’t. I came through the service entrance. It was open.” “Was it open when you arrived, or did you open it?” “It was open.” “Did you see anyone leaving?” “No.” Eva’s gaze slipped towards the tile wall. The movement was small, but Quinn caught it. “You’ve seen that before,” Quinn said. Eva looked back at her. “The compass?” “What is it?” “A Veil Compass. It points towards a rift or portal. The markings are protective. The casing’s made by a Shade artisan.” Bell rubbed the bridge of his nose. “A what?” “A compass that doesn’t point north,” Quinn said. Eva’s lips pressed together. “It points to the nearest supernatural opening.” “Is there one here?” “The needle says so.” Quinn studied the wall again. “You said the market changes location. Why would it be under Camden tonight?” “An abandoned station makes a useful entrance. People pass by without asking why the lights are on.” “What sort of people?” “People who buy things they can’t get through ordinary channels. Alchemical compounds. Enchanted goods. Information.” Eva’s fingers tightened on the satchel strap. “And people who’d rather not have police watching the door.” “Then your market had a murder.” “Or someone wanted it to look like one.” Quinn turned towards Price’s body. “I agree with that part.” Bell folded his arms. “You’re both convinced this is magic now?” “No,” Quinn said. “I’m convinced the scene has been staged. The rest can wait.” She returned to the ticket office and examined the blood stain from another angle. One droplet had landed on the wall behind Price. Its shape was a teardrop, narrow at the bottom. It had fallen straight down. “Where’s the rest of it?” she asked. Bell followed her gaze. “What rest?” “The blood. If he was stabbed here, there should be cast-off, transfer, spatter. There’s one droplet on the wall and a puddle on his chest. The stain’s too tidy.” She looked at the floor by the booth. A pale stripe ran from the body towards the broken glass, as if someone had dragged a cloth along the tiles. At the edge of the stripe, three short hairs clung to a rusty nail. “Price was moved,” she said. Bell stepped closer. “He’s got no drag marks.” “Because they lifted him. The cord helped. One person on each end, walking the line.” Eva leaned in but stayed beyond the tape. “The cord would have kept them from the tracks.” “And guided them through the dark.” Quinn pointed to the white powder at the knot. “The same powder on Price’s shirt. It settled on him before someone moved him.” Bell looked at the body, then at the cord. His face shifted as the pieces caught. “The powder could’ve come from the platform.” “It’s only in the crease beneath his collar and on the cord. Not on the floor around him.” Quinn crouched beside the blood stain. “Someone laid him down after dusting him. Then they poured blood over the shirt and broke the booth glass from inside.” “Why break the glass?” “To make the crash the witnesses heard. It gave them a time to report. The body was already here.” Eva’s gaze moved to the token. “And the compass?” Quinn glanced at the needle. It held steady on the tiled wall. “Someone used it to find the entrance,” she said. “Then they dropped it while carrying Price.” Bell shook his head. “That doesn’t explain the murder.” “No. But it explains why the evidence doesn’t.” Quinn leaned close to Price’s face. No blood marked his mouth. A faint indentation crossed the skin beneath his jaw, straight and shallow. She touched the air above it, not the body. “Has the medical examiner checked for pressure marks?” “Not yet.” “Tell them to examine his throat and wrists. Also check his nails for the black residue from that wall.” Bell turned to call it in. Quinn looked at the tilework. A hairline gap ran vertically between two green tiles, too straight to be a crack. The compass needle clicked once. A dark seam appeared in the gap, then vanished when she blinked. She didn’t blink again. “Eva,” Quinn said, “what happens if someone opens that?” “Depends what’s on the other side.” “Can the market be reached through it?” Eva set her satchel down. “If it’s a rift, yes.” “Can someone pass through without the compass?” “Of course.” “Then I want the service entrance secured and every person on this platform searched. Start with the market security staff.” Bell stopped with his radio raised. “You can’t search people for a story about a hidden market.” “Then start with the blood on their shoes.” Quinn took a pair of gloves from the evidence kit and held them out to Eva. “You’re going to tell me what you know about the compass, the token and that wall. You’ll do it here, where my officers can hear you.” Eva accepted the gloves. “If you want the truth, don’t let them touch the seam.” The compass needle struck its glass again. Quinn looked at the dark line between the tiles, then at the blood on Price’s shirt. “Everybody back from the wall,” she said. No one moved. Quinn’s hand settled at her belt. “Now.”
created_at"2026-09-23T08:22:33.206Z" 9/23/2026, 8:22:33 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2680
moderation_latency(null)
generation_time40984
tokens_prompt1112
tokens_completion3545
native_tokens_prompt1009
native_tokens_completion2921
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"
usage0.0015614
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151753-q97NTNylt093g7D47gv5"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151753-CsioWy6x2MqkbJzBhJ5e"
upstream_id"resp_0585cc5110890b8f016ab38c49503487d18f5244ec6a240fa7"
provider_responses
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endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0585cc5110890b8f016ab38c49503487d18f5244ec6a240fa7"
is_byokfalse
latency466
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0015614
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
totalTags25
adverbTagCount0
adverbTags(empty)
dialogueSentences138
tagDensity0.181
leniency0.362
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2239
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)
91.07% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2239
totalAiIsms4
found
0
word"coded"
count1
1
word"etched"
count1
2
word"trembled"
count1
3
word"weight"
count1
highlights
0"coded"
1"etched"
2"trembled"
3"weight"
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
narrationSentences154
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences154
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences266
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
totalWords2239
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions32
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions80
wordCount1199
uniqueNames7
maxNameDensity2.92
worstName"Quinn"
maxWindowNameDensity6
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn35
Tube1
Sergeant1
Bell25
Price6
Eva11
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Bell"
4"Price"
5"Eva"
places(empty)
globalScore0.04
windowScore0
95.05% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences91
glossingSentenceCount2
matches
0"something like cold pennies held in a closed"
1"not quite"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.447
wordCount2239
matches
0"not from damp but from a fine black residue rubbed into the seams"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences266
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs155
mean14.45
std12.78
cv0.885
sampleLengths
015
141
223
37
412
530
610
741
83
930
1047
118
128
1313
1452
1511
164
1712
186
1910
2032
217
2216
2311
2411
2552
265
271
2815
2916
3011
3160
3245
336
342
351
363
378
3811
3916
4042
412
429
437
4416
4544
4647
478
484
494
93.87% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences154
matches
0"been carved"
1"was tied"
2"been tied"
3"been disturbed"
4"been etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs212
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences266
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1201
adjectiveStacks0
stackExamples(empty)
adverbCount21
adverbRatio0.017485428809325562
lyAdverbCount1
lyAdverbRatio0.0008326394671107411
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences266
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences266
mean8.42
std5.75
cv0.683
sampleLengths
015
118
213
310
49
514
63
74
88
94
106
1119
125
1310
143
1511
1627
173
1830
196
2014
2115
2212
234
244
254
264
2713
2811
2917
307
3117
324
337
344
3512
366
375
385
396
4016
4110
427
4316
446
455
4611
474
488
4917
48.87% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.2894736842105263
totalSentences266
uniqueOpeners77
50.13% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences133
matches
0"Somewhere beyond the tiled arch,"
1"Just the arcs, pale against"
ratio0.015
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences133
matches
0"Their light caught the damp"
1"He was a broad man"
2"His mouth tightened."
3"He set the cup on"
4"Her worn leather watch pressed"
5"His other hand rested near"
6"She kept her hands off"
7"She studied the body."
8"His shirt was open at"
9"Its surface wasn’t metal, not"
10"She’d never seen one with"
11"It was tied to a"
12"It had been tied to"
13"She walked along the platform,"
14"It ended beside a tiled"
15"It was no bigger than"
16"It swung in a quick"
17"It aimed towards a section"
18"Her gaze caught on a"
19"She held her palm near"
ratio0.233
20.15% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount117
totalSentences133
matches
0"Detective Harlow Quinn ducked beneath"
1"The platform lamps had no"
2"Their light caught the damp"
3"Quinn looked down."
4"The platform was dry."
5"Bell turned from the ticket-office"
6"He was a broad man"
7"His mouth tightened."
8"He set the cup on"
9"Quinn moved towards the ticket"
10"Her worn leather watch pressed"
11"The building smelled of wet"
12"Bell followed her in."
13"The ticket office had a"
14"Gideon Price lay on his"
15"A dark stain spread over"
16"His other hand rested near"
17"Quinn crouched beside him."
18"She kept her hands off"
19"Bell glanced at the floor."
ratio0.88
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences133
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences40
technicalSentenceCount0
matches(empty)
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags25
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags18
fancyCount0
fancyTags(empty)
dialogueSentences138
tagDensity0.13
leniency0.261
rawRatio0
effectiveRatio0
86.6380%