Run: 2026-09-23-01M36NKWBEBCBH4EJZA5MZH8AM

Run Details

Duration:
34.0s
Cost:
$0.001466
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 police tape and stepped into the abandoned station. The ceiling swallowed the beam from her torch. Tiles descended in cracked white ribs towards a platform where weeds pushed through the grout. A rusted sign still read CAMDEN TOWN, though the letters had peeled away in places. Somewhere below the platform, water tapped a steady rhythm into a drain. “Uniforms found the door chained from the outside,” Sergeant Bell called from beside the ticket barrier. He held a paper cup in one gloved hand and his notebook in the other. “No sign of a break-in. No sign of a way out.” Quinn took in the scene before answering. The victim lay near the platform edge, a man in a dark coat with one arm stretched towards the tracks. His throat bore a narrow wound. A pool of blood had spread beneath his shoulder, but not beneath his head. “Who found him?” “Two lads looking for scrap. They called it in at nine twelve. Their footprints are all over the entrance, but they didn’t come this far down.” Bell’s cup trembled at the rim. “You think it’s connected to the Market?” “I think you’ve decided it is.” “Look at the place.” Quinn glanced along the platform. Paper charms hung from a pipe overhead, their edges turning in the draught. A stall had been set up between two pillars: a folding table, a scatter of glass vials, and a brass lamp with no wick. Someone had left a row of small bones arranged in a neat circle. The abandoned station sat beneath Camden, but it didn’t feel abandoned. The air held the sour trace of incense and hot metal. Quinn had worked enough scenes in cellars and derelict buildings to know what neglect smelled like. This was different: someone had tried to make the place useful. “Where’s the entry point?” she asked. Bell nodded towards the ticket barrier. A chain looped through the old turnstile, secured with a fresh padlock. “Outside,” he said. “We cut it.” Quinn crouched by the lock. The chain had been cut through cleanly, its severed links still curled on the floor. She examined the metal, then the turnstile. “Not cut,” she said. Bell lowered his cup. “That’s what the officers reported.” “The chain’s been stretched apart.” Quinn pointed to the ends. “See the inward curl? The links gave way under tension. The lock’s untouched.” “Could’ve used a jack.” “Could have.” She stood. “Did anyone find one?” “No.” Quinn crossed the barrier and followed the tracks leading down towards the platform. A narrow set of footprints marked the dust. Two sets came from the entrance, then stopped where the tiled floor began. Between them ran a line of prints with a different tread: narrow soles, hard heel, no dust caught in the grooves. The marks reached the body, circled it once, and went back towards the tracks. “Victim’s shoes?” she asked. Bell checked his notes. “No shoes. Socks. We found them under the table.” Quinn turned her torch towards the stall. A pair of brown shoes sat beneath it, toes pointed towards the wall. Their soles showed a pattern of shallow diamonds. The tracks in the dust bore no such pattern. “Who owns the table?” “Not sure. The place was cleared out before we got here. Uniforms say they found the body and the stall. Nothing else.” “Cleared out by whom?” Bell gestured at the bones. “That’s the question, isn’t it? The lads described people moving around down here before they found him. No faces. Hoods, masks. One of them mentioned a woman with a red satchel.” Quinn’s gaze shifted to him. “And you’ve already got a suspect.” “Eva Kowalski works in the Museum’s restricted archives. She’s known to have an interest in this sort of thing. She’s friends with Aurora Vale, and that crowd—” “Don’t finish that sentence unless you can attach evidence to it.” Bell looked down at his notebook. “She was seen near Camden last night.” “By whom?” “An informant.” “Name?” “I’ll get it.” “You’ll get it before you put her in a briefing.” Quinn walked to the body. She knelt beside it, careful not to disturb the blood. The wound sat high under the jaw, clean and narrow. A blade had entered from the front and travelled down, but the collar showed no tear. There was no blood on the victim’s hands. His nails were clean. His skin had gone waxy, but the lips had not yet darkened. She leaned close without touching him. A faint smell drifted from the wound: iron, then something sharp and mineral, like struck flint. “Where’s the weapon?” she asked. “Not here.” “Blood pattern?” “His blood. Lab’ll confirm.” “Did you check the tracks for transfer?” “Nothing obvious.” Quinn’s torch moved over the floor. The blood had pooled around the man’s shoulder and spread in a crescent. The edge looked wrong—too crisp on the side nearest the tracks, feathered towards the wall. She shifted her weight and looked from another angle. The platform sloped by a few degrees. The blood should have run towards the tracks. Instead, it had crept away from them, against the tilt. “Bell, what did the first officer say?” “That the body was found where it fell.” “Did he check lividity?” “He’s a constable, not a pathologist.” “He’s still got eyes.” Quinn pointed to the victim’s cheek. “There’s pressure marking on that side. The body lay face down for a while, then someone turned it over.” Bell crouched, following her torch. “You’re saying he was moved?” “I’m saying the blood says he was moved. He bled here, or near here. But he didn’t lie here while the blood settled.” “Could have been dragged.” “No drag marks. No smear. Whoever moved him lifted him.” Bell stared at the body. “A group of people could do that.” “Or one person with help.” Quinn moved to the platform edge and studied the dark gap between rail and concrete. A dusting of pale grit covered the sleepers. In it, she saw a narrow scrape, a clean arc that began under the platform lip and ended beside the victim’s outstretched hand. “Did anyone go down there?” “Not without a ladder. The track’s live.” “Not this one.” She crouched and shone her torch into the gap. The rails ended a few yards away, swallowed by a wall of brick that had been built across the tunnel. Between the rails, something glittered. “Get me a camera and a hook.” Bell called to the nearest officer. Quinn stayed low, her left wrist turning as she checked the face of her worn leather watch. The minute hand crawled past the top mark. In the beam, the small scratches on the watch glass looked like hairline cracks. The officer returned with a telescoping evidence hook. Quinn reached beneath the platform and worked the tip around the glittering object. She drew it into the light. A brass compass rested on the concrete. Verdigris stained its casing. Sigils etched around the face caught the torch beam in thin silver lines. The needle spun once, stopped, then swung towards the brick wall at the end of the tracks. Bell made a sound in his throat. “That’s not a compass.” “What is it?” “I’ve heard stories. The Veil Market sells things like that.” “Stories don’t go in the evidence log.” Quinn laid it on an evidence bag without touching the face. The needle trembled towards the sealed tunnel, then held steady. “The victim’s pockets were empty,” she said. “You said?” “Empty except for a wallet. No phone.” “Then why would he be carrying this?” “Maybe he stole it.” “From whom?” Bell looked at the compass. “Someone at the Market.” Quinn studied the platform. The bones in the circle were small, pale, and clean. Not human. A bottle beside them had a wax seal stamped with a symbol like a closed eye. The paper charms bore lines of cramped writing, each strip pinned at the corners with iron tacks. None of it had been disturbed. “If the Market was cleared out, why leave the stall?” she asked. “Could be a message.” “For whom?” “Us.” “Then the message has a poor choice of punctuation.” She walked to the table. Dust covered its surface, except for a long clean rectangle where something had rested. At one end, a smear of dark green stained the wood. Quinn ran a gloved finger through the dust beside it. The clean space was wider than the compass. “Something else was here.” Bell leaned in. “What?” “A case. Or a box. See the scuffing? It was set down and lifted again.” She angled her torch. “The dust settled around it while it sat. This happened before the body was brought here.” “Why bring the body after the market closed?” “Maybe it hadn’t closed.” Bell shifted his cup from one hand to the other. “The Market moves every full moon. That’s tonight.” “Tonight?” “Full moon. It’s why the informant was watching the station.” Quinn glanced at the dark ceiling. No moonlight reached the platform. Still, the paper charms stirred as though a train had passed. “Your informant knew where it would be?” “He’s been tracking them for months.” “Then he knew this was a crime scene before we did.” Bell’s face tightened. “You think he’s involved?” “I think you’ve given him more credit than your evidence supports.” A sharp metallic click came from the far end of the platform. Quinn turned. The sound repeated—click, click, click—each knock separated by a breath. An old signal cabinet stood beneath the stairs, its door hanging open. The cabinet had no power. A red lamp glowed inside it, bright as a coal. Bell reached for his radio. “I’ll get someone down here.” “Hold.” Quinn crossed the platform alone. The light in the cabinet flickered against the glass of her watch. She kept her hand near her holster and stopped a few feet away. The clicks came from the compass in the evidence bag. Its needle had turned. It pointed not at the sealed tunnel but at the signal cabinet. “Bag it and log it,” Bell called from behind her. “It’s already bagged.” The compass needle struck the brass rim. Once. Twice. The cabinet’s red lamp dimmed. In the glass below it, Quinn saw a second reflection standing over her shoulder: a tall figure in a dark coat, head bowed, one hand pressed to its throat. She spun. The platform stood empty. Bell’s radio crackled. He looked down at it, then up at her. “You saw something?” Quinn kept her eyes on the cabinet. “I saw a reflection.” “Of what?” “Nothing that was there.” She stepped closer. The cabinet’s interior smelled of wet stone. On its metal floor lay a torn strip of paper, edges blackened, ink sunk into the fibres. Quinn read the line before the damp blurred it. Not the one who bled. She crouched. The paper stuck to the metal, but a second mark showed beneath it: a small crescent pressed into the dust. Beside the crescent, a fleck of green wax matched the smear on the stall table. “Bell, the body was moved after the blood dried,” she said. “The compass was hidden under the platform, then taken out and placed on the table. Someone came back for it. They left the body and the stall as cover.” “You think the killer wanted us to find the compass?” “No. The killer wanted someone else to find it.” Quinn looked back at the body. Its open hand faced the tracks. The compass needle pointed to the cabinet. The paper strip named a person who had not bled. “Who else was here?” she asked. Bell flipped through his notes. “The two lads. First officers. Paramedics.” “Not before them.” “I told you. The informant—” “What’s his name?” Bell stopped. His thumb pressed into the paper cup, folding its rim. “Sergeant.” “Martin Vale.” Quinn watched him. “You know him?” “I know the name. He’s on the list of people who’ve reported Market activity.” “Where’s he now?” Bell’s radio sputtered. A voice from the stairwell called that the entrance chain had been found open again. Neither detective moved. Quinn pointed to the clean soles of the tracks in the dust. “Those prints walked out without leaving.” Bell’s cup sagged in his grip. “Get the entrance sealed,” Quinn said. “And keep everyone away from the cabinet.” The compass clicked against its bag. Once. Quinn looked down. Its needle held on the dark glass of the signal cabinet.
created_at"2026-09-23T08:20:18.932Z" 9/23/2026, 8:20:18 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1574
moderation_latency(null)
generation_time33970
tokens_prompt1112
tokens_completion3292
native_tokens_prompt1009
native_tokens_completion2731
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"
usage0.0014664
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151618-Cmi4BEf10eV0jKQSlAQD"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151618-XGfzO2yl7jkZDJUUzVWV"
upstream_id"resp_0f4814515e7582ac016ab38bc30b7087d188858c7e94964fca"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0f4814515e7582ac016ab38bc30b7087d188858c7e94964fca"
is_byokfalse
latency335
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0014664
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
totalTags16
adverbTagCount0
adverbTags(empty)
dialogueSentences110
tagDensity0.145
leniency0.291
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2091
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)
85.65% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2091
totalAiIsms6
found
0
word"trembled"
count2
1
word"tension"
count1
2
word"weight"
count1
3
word"etched"
count1
4
word"flickered"
count1
highlights
0"trembled"
1"tension"
2"weight"
3"etched"
4"flickered"
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
narrationSentences158
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences158
filterMatches
0"watch"
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences252
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen31
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2088
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions24
unquotedAttributions0
matches(empty)
43.54% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions53
wordCount1362
uniqueNames4
maxNameDensity2.13
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn29
Bell22
Camden1
persons
0"Harlow"
1"Quinn"
2"Bell"
places(empty)
globalScore0.435
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences104
glossingSentenceCount2
matches
0"smelled like"
1"looked like hairline cracks"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.479
wordCount2088
matches
0"not at the sealed tunnel but at the signal cabinet"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences252
matches
0"called that the"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs142
mean14.7
std14.87
cv1.012
sampleLengths
016
150
242
347
43
526
613
76
84
955
1049
116
1218
136
1427
154
169
1723
184
198
201
2169
224
2313
2437
254
2622
274
2836
2911
3027
3111
3213
332
342
351
363
3710
3865
3922
405
412
422
434
447
452
4634
4734
487
498
98.60% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences158
matches
0"been built"
1"been disturbed"
2"been found"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs234
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences2
totalSentences252
ratio0.008
matches
0"The edge looked wrong—too crisp on the side nearest the tracks, feathered towards the wall."
1"The sound repeated—click, click, click—each knock separated by a breath."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1365
adjectiveStacks0
stackExamples(empty)
adverbCount30
adverbRatio0.02197802197802198
lyAdverbCount1
lyAdverbRatio0.0007326007326007326
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences252
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences252
mean8.29
std5.65
cv0.682
sampleLengths
016
18
215
315
412
516
615
711
87
920
106
1114
123
1326
146
157
166
174
185
1913
2024
2113
2211
2311
2416
2511
266
276
2812
293
303
315
3215
337
344
354
365
3710
3813
394
404
414
421
4313
448
4513
4621
4714
484
494
48.02% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.30952380952380953
totalSentences252
uniqueOpeners78
47.96% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences139
matches
0"Somewhere below the platform, water"
1"Instead, it had crept away"
ratio0.014
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount21
totalSentences139
matches
0"He held a paper cup"
1"His throat bore a narrow"
2"She examined the metal, then"
3"Their soles showed a pattern"
4"She knelt beside it, careful"
5"His nails were clean."
6"His skin had gone waxy,"
7"She leaned close without touching"
8"She shifted her weight and"
9"She crouched and shone her"
10"She drew it into the"
11"She walked to the table."
12"She angled her torch"
13"She kept her hand near"
14"Its needle had turned."
15"It pointed not at the"
16"He looked down at it,"
17"She stepped closer."
18"Its open hand faced the"
19"His thumb pressed into the"
ratio0.151
13.96% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount124
totalSentences139
matches
0"Detective Harlow Quinn ducked beneath"
1"The ceiling swallowed the beam"
2"Tiles descended in cracked white"
3"A rusted sign still read"
4"Sergeant Bell called from beside"
5"He held a paper cup"
6"Quinn took in the scene"
7"The victim lay near the"
8"His throat bore a narrow"
9"A pool of blood had"
10"Bell’s cup trembled at the"
11"Quinn glanced along the platform."
12"Paper charms hung from a"
13"A stall had been set"
14"Someone had left a row"
15"The abandoned station sat beneath"
16"The air held the sour"
17"Quinn had worked enough scenes"
18"This was different: someone had"
19"Bell nodded towards the ticket"
ratio0.892
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences139
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount1
matches
0"In it, she saw a narrow scrape, a clean arc that began under the platform lip and ended beside the victim’s outstretched hand."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags16
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount0
fancyTags(empty)
dialogueSentences110
tagDensity0.109
leniency0.218
rawRatio0
effectiveRatio0
87.9242%