Run: 2026-09-23-01M36RDQ8VT0Q7GP3MQ1FDY378

Run Details

Duration:
1m 27s
Cost:
$0.003313
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
Harlow Quinn reached the platform at 01:26, carrying the smell of wet stone down the last flight of stairs. The abandoned station had no name on its tiled walls. Someone had scraped the letters away, leaving pale rectangles among the soot. Beyond the platform, the Veil Market’s stalls crowded the old tracks: black canvas, brass lamps, locked cabinets. Most stood empty. The market had shifted beneath Camden at the last full moon, and the traders had not yet filled every space. Their watching faces tracked Quinn as she passed. At the far end, two uniformed officers guarded the signal room. Detective Constable Sethi waited outside its open door, one hand resting on his belt. He held out a paper cup of coffee. “Don’t drink that,” Quinn told him. “Wasn’t planning to. It’s been here since the body turned up.” She walked past him. Her worn leather watch pressed against the cuff of her coat. The bone token that had got them through the station gate lay sealed in an evidence pouch at Sethi’s feet. Its surface had the dull yellow grain of old teeth. Inside the signal room, a man lay on his back beneath a dead bank of switches. Someone had drawn a chalk outline around him, though the white line broke at his right shoulder where a boot had scuffed it. The victim wore a dark suit and a red waistcoat. A narrow wound pierced the cloth below his ribs. The blood had soaked through his shirt and gathered beneath his left side in a dark, still pool. Quinn stopped at the threshold. Her eyes travelled from the man to the switches, then to the room’s single door. “How long have you been in here?” “Ten minutes,” Sethi replied. “I kept everyone out after the photographer finished.” “Who’s everyone?” “Two market traders. One says he found the body. The other says he found the first one finding it.” “Which one had blood on his shoes?” “Neither.” Quinn stepped around the chalk. The floor held a thin cover of grey dust except for the path from the door to the body. Three sets of prints crossed it. One belonged to the uniformed officer who had drawn the outline. The others looked like the victim’s boots: square toes, worn heels, a split at the right sole. Sethi pointed to them. “He walked in, someone met him here, then they went out through the service tunnel. Market staff say the old passage still connects to the lower tracks.” “Market staff say that about every wall down here.” “They’ve got a lot of walls.” Quinn crouched beside the body. The dead man’s right hand rested palm-up against the floor. His left fist held a small brass compass, its casing furred with green patina. Sigils had been cut into the face around the glass. The needle trembled against the edge and stopped. The body carried no dust on its shoulders. A clean strip marked the collar, as if someone had lifted him by the coat. His shoes were dry. The prints leading to him, however, had damp edges. Quinn touched neither. “What was his name?” “Renn. Market broker. The trader who found him knew him.” “Which trader?” “Both, depending on who you ask.” “Any witnesses to the argument?” “Not one admits to hearing anything.” Quinn looked over the dead man’s face. His mouth hung open. A small cut crossed his lower lip, clean and shallow. She found no blood on his fingers, cuffs, or palms. The stain on his shirt had run down towards his belt, then spread beneath him. “Knife wound,” Sethi offered. “A quick one. He fell, they took what they wanted, and left.” “What did they take?” “That’s where it gets complicated.” Sethi nodded towards a narrow cabinet built into the wall. Its door stood open. Three felt-lined spaces sat empty inside it. A fourth held a scatter of old coins. “The traders claim Renn stored valuables in there,” he continued. “The cabinet had a lock. It’s been forced.” Quinn examined the lock. A fresh gouge scored the brass. The wood around it showed no split, no pry marks. The cabinet’s hinges bore a film of dust except for a single clean thumbprint on the lower hinge. “Someone took the lock off.” “Or worked it loose.” “With what?” Sethi tapped the back of his notebook against his palm. “A narrow tool.” “Then why leave the coins?” “Not much of a haul.” Quinn leaned into the cabinet. The empty spaces had sharp, dustless outlines, each the shape of a long, narrow object. Someone had removed the contents with care. The coins had gathered at the back as if the cabinet had tipped forward at some point and settled again. “Did the traders tell you what was kept here?” “One said jewellery. The other said bottles.” “Did either name the items?” “No.” “Did either mention the compass?” Sethi looked at the victim’s hand. “They both called it junk.” Quinn stood. The sharp line of her jaw tightened. She checked the switches and found no blood on the metal, no fingerprints visible beneath the powder her team had used. The room seemed too small to hold the scene Sethi had described. A man walked in. A second person killed him, took three objects, forced the cabinet, and walked out. Yet the dust offered no clean path back to the door. It showed only the same two sets of boot prints approaching the body. “Were the doors locked when the officers arrived?” “Outer door stood open. The traders had the key.” “And the tunnel?” “Blocked by a collapse, according to the station plans.” “Then why did you decide the killer left through it?” Sethi gave her a look. “Because he couldn’t have stayed in this room.” A leather satchel brushed the doorframe. Eva Kowalski ducked inside, curls caught beneath the strap. Her round glasses had fogged at the corners. She tucked a strand of red hair behind her left ear and stopped short of the chalk. “You asked me to identify the marks.” “I asked you to identify the compass,” Quinn replied. “And I did.” “You said the symbols were protective. That isn’t an identification.” Eva glanced at Sethi, who looked relieved to have someone else take the question. “It’s a Veil Compass,” she said. “It points towards the nearest rift or portal.” Sethi lowered his notebook. “A portal.” “Not a Tube entrance. Not a service door.” Quinn held out her hand. Eva hesitated, then crossed the room and placed the compass in her palm. The brass felt cold against Quinn’s skin. Its needle swung once, scraped the glass, and fixed on the west wall. “There’s no portal in the wall,” Sethi said. Quinn watched the needle. “Which wall does it point to when you’re standing on the platform?” Eva turned the compass in Quinn’s hand. The needle remained fixed. “The same one.” “Then it could be pointing through the station.” “It points to the nearest rift. The wall might be between us and it.” Sethi rubbed his jaw. “Or the thing’s broken.” Quinn returned the compass to the dead man’s hand. The needle held its line, aimed past the cabinet and into a section of tiled wall. She crossed to it. The tilework matched the rest of the room: cream squares, brown border, grout dark with age. A maintenance diagram hung to one side, its curled paper pinned beneath a cracked sheet of glass. She took the diagram down. “This wall was built over the old cable recess,” Sethi said. “The plans show a gap.” “How wide?” “Two feet. Not enough to walk through.” “Unless the plans are wrong.” She studied the wall. Every tile along the base carried a crust of station grime, except for one narrow run beneath the cabinet. That strip looked clean, not from recent washing, but from contact. The dust had gathered in thin ridges on either side. Quinn set the diagram against the wall and found the clean strip fell just beyond its marked recess. Eva stood beside the door, satchel hugged to her hip. “It moved,” she said. “What moved?” “The compass needle. When you carried it in, it pointed here.” “It pointed west.” “You checked?” Quinn looked at the compass in the dead man’s hand. The needle still faced the wall. She shifted two steps left. It swung a fraction, then settled again. Sethi moved behind her. “The wall’s hollow. That’s all.” Quinn pressed two fingers to the grout. One tile rocked beneath the pressure. A hairline crack opened along its edge. Dust slid from the seam and left a pale streak across her glove. No tool marks marred the tile. No fresh chips littered the floor. The panel had opened from within, or from somewhere beyond the wall. She looked back at the body. The blood pool had spread under the man’s left shoulder, but the shirt’s stain ran down his side. If he had fallen there, the blood should have found the low point beneath his ribs. Instead, it had travelled across the fabric before reaching the floor. The line crossed a fold that could not have formed with him lying flat. Quinn crouched once more and studied the stain. The man had bled while upright. Someone had placed him on his back after the wound stopped flowing. “Who found him?” she asked. Sethi flipped through his notes. “A trader called Mr Vale. He says he opened the door and saw the body.” “Which door?” “This one.” “Then why did he enter the room?” “He says he checked for a pulse.” “On a man with a knife wound?” “He knew Renn.” Quinn looked at the clean strip on the wall, then at the shallow cut across Renn’s lip. She traced the route from the doorway to the body with her eyes. The prints had crossed the dust without disturbing the chalk line. The officer’s boot had scuffed the outline later, after the body had been found. “Those prints don’t belong to the killer,” Sethi said. “They match Renn’s boots.” “They match the soles, not the man.” Quinn pointed to the left print beside the body. Its toe angled towards the door. The right print beside it pointed the same way. Both bore the split in the sole, sharp and clean, with no weight dragged across the dust beyond their edges. “Those are impressions,” she said. “Not steps.” Sethi bent over them. “Someone stamped the soles into the dust?” “From above, or from the wall. The prints stop at the body because the person who made them never walked here.” Eva’s glasses caught the lamp light. She had stopped tucking her hair and watched the compass. “And the blood?” she asked. Quinn rose, keeping her eyes on the wall. “Renn was wounded somewhere else. They brought him through the opening, set him down, and dressed the room to look like a robbery. The compass stayed with him. The cabinet gave them a reason for the room.” “The missing objects,” Sethi said. “Or the reason they brought him here.” She turned the compass in the dead man’s hand until its needle faced the seam. The tiny point quivered against the glass. Quinn slipped her gloved fingers into the crack and felt no edge beneath the tile, only a faint draught against her knuckles. Behind her, Sethi stopped writing. “Get the scene techs,” she said. “No one touches this wall until they photograph every tile.” The hairline seam widened beneath her hand. A second line appeared above it, thin as a cut in paper. Dust gathered at the top of the tile and began to fall.
created_at"2026-09-23T09:09:22.853Z" 9/23/2026, 9:09:22 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7774
moderation_latency(null)
generation_time86937
tokens_prompt1112
tokens_completion3658
native_tokens_prompt1009
native_tokens_completion6424
native_tokens_completion_images0
native_tokens_reasoning3974
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"
usage0.0033129
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790154562-3B43N2dkcPDsiMw2Cm6E"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790154562-ryIprckWziw14h8VBvHY"
upstream_id"resp_0002f79cd03d348a016ab39742f80c87d1b62e74aea2371172"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0002f79cd03d348a016ab39742f80c87d1b62e74aea2371172"
is_byokfalse
latency460
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0033129
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)
dialogueSentences88
tagDensity0.17
leniency0.341
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1940
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)
87.11% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1940
totalAiIsms5
found
0
word"trembled"
count1
1
word"pulse"
count1
2
word"traced"
count1
3
word"weight"
count1
4
word"quivered"
count1
highlights
0"trembled"
1"pulse"
2"traced"
3"weight"
4"quivered"
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
emotionTells1
narrationSentences146
matches
0"looked relieved"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences146
filterMatches
0"watch"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences219
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1940
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions26
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions58
wordCount1353
uniqueNames9
maxNameDensity1.85
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Quinn25
Veil1
Market1
Camden1
Constable1
Sethi21
Kowalski1
Eva6
Renn1
persons
0"Quinn"
1"Market"
2"Sethi"
3"Kowalski"
4"Eva"
places
0"Renn"
globalScore0.576
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences103
glossingSentenceCount2
matches
0"looked like the victim’s boots: square to"
1"appeared above it, thin as a cut in paper"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.515
wordCount1940
matches
0"not from recent washing, but from contact"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences219
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs118
mean16.44
std17.82
cv1.084
sampleLengths
019
170
233
36
411
545
676
720
87
912
102
1119
127
131
1458
154
1627
179
186
1947
2036
213
224
2310
242
256
265
276
2846
2916
304
315
3229
3318
3438
355
364
372
3813
395
405
4147
429
437
445
451
465
4711
4884
498
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences146
matches
0"been found"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs218
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences219
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1355
adjectiveStacks0
stackExamples(empty)
adverbCount20
adverbRatio0.014760147601476014
lyAdverbCount2
lyAdverbRatio0.0014760147601476014
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences219
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences219
mean8.86
std5.35
cv0.604
sampleLengths
019
110
212
317
43
520
68
711
814
98
106
1111
124
1311
1420
1510
1616
1723
1810
199
2018
215
2215
237
244
258
262
2719
287
291
305
3119
326
3311
3417
354
3627
379
386
395
4010
4114
4210
438
448
4515
464
479
483
494
45.89% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.2922374429223744
totalSentences219
uniqueOpeners64
25.45% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences131
matches
0"Instead, it had travelled across"
ratio0.008
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount26
totalSentences131
matches
0"Their watching faces tracked Quinn"
1"He held out a paper"
2"She walked past him."
3"Her worn leather watch pressed"
4"Its surface had the dull"
5"Her eyes travelled from the"
6"His left fist held a"
7"His shoes were dry."
8"His mouth hung open."
9"She found no blood on"
10"Its door stood open."
11"She checked the switches and"
12"It showed only the same"
13"Her round glasses had fogged"
14"She tucked a strand of"
15"Its needle swung once, scraped"
16"She crossed to it."
17"She took the diagram down."
18"She studied the wall."
19"She shifted two steps left."
ratio0.198
13.44% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount117
totalSentences131
matches
0"Harlow Quinn reached the platform"
1"The abandoned station had no"
2"Someone had scraped the letters"
3"The market had shifted beneath"
4"Their watching faces tracked Quinn"
5"Detective Constable Sethi waited outside"
6"He held out a paper"
7"Quinn told him"
8"She walked past him."
9"Her worn leather watch pressed"
10"The bone token that had"
11"Its surface had the dull"
12"Someone had drawn a chalk"
13"The victim wore a dark"
14"A narrow wound pierced the"
15"The blood had soaked through"
16"Quinn stopped at the threshold."
17"Her eyes travelled from the"
18"Quinn stepped around the chalk."
19"The floor held a thin"
ratio0.893
38.17% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences131
matches
0"If he had fallen there,"
ratio0.008
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences66
technicalSentenceCount1
matches
0"The bone token that had got them through the station gate lay sealed in an evidence pouch at Sethi’s feet."
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
totalTags14
fancyCount1
fancyTags
0"he continued (continue)"
dialogueSentences88
tagDensity0.159
leniency0.318
rawRatio0.071
effectiveRatio0.023
88.6684%