Run: 2026-09-23-01M37PZB536DVC4E2RC5BAGX87

Run Details

Duration:
48.5s
Cost:
$0.016447
Provider:
AionLabs

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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> 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.

Model response

AI
The abandoned Tube station smelled of rust and old water, and underneath both, faintly, of something scorched. Detective Harlow Quinn stood at the bottom of the escalator shaft — the escalator itself long since gutted, leaving a concrete throat that swallowed the light from above — and let the scene settle into her the way rain settles into soil. Eighteen years had taught her that the first thirty seconds at a scene were worth more than the next thirty hours. So she looked. She didn't touch, didn't speak, didn't reach for her notebook. She just looked. The body lay on the platform's edge, half in shadow. Male, mid-thirties, dressed well — charcoal overcoat, leather gloves, shoes that had been resoled twice, which meant he had money but not new money. His throat was open. The wound was clean, surgical, a single stroke. And there was almost no blood. That was the first wrong thing. "Quinn." DS Iyer came down the shaft behind her, torch beam bouncing off the curved tiles. Younger, sharp, ambitious, the kind of detective who read the case file twice on the way over. "CSU's been through the immediate area. Pathologist's upstairs suiting up. Thought you'd want the lay of it before she starts." Quinn walked the platform. Her torch swept across the old posters, faded to ghosts of themselves — a West End musical, a brand of toothpaste that hadn't existed in twenty years. The tiles were slick with condensation. Her boots left prints in the grit, and she noted, automatically, the other prints already there. "You said he was found by a maintenance crew," she said. "Contractors doing a structural survey for Transport for London. They came down at seven-forty, found him at the platform edge, called it in at seven-fifty-two." Iyer consulted his notebook. "Victim's Marcus Aldous-Reeve. Works — worked — as a procurement consultant in the City. Wife says he left the office at six yesterday evening and never came home. Uniforms pulled his Oyster records. His last tap was Camden Town, six-twenty-two." "So he walked from Camden Town station to this one." Quinn crouched beside the body, careful of the grit. "This station's been closed since the nineties. The surface entrance is sealed. There's no way in from the street." "That's the thing." Iyer's torch joined hers on the corpse. "There is a way. There's a service door in the substation on the next block. Kids use it, urban explorers. CSU found pry marks on the frame, fresh ones. And there's a set of footprints in the mud outside matching his shoes." He gestured at the victim's feet. "So we've got him coming in through the substation door, meeting someone down here, and it goes badly. The wound's consistent with a straight razor or a very large knife. Single stroke, left to right — attacker was right-handed, facing him." "Staged," Quinn said. Iyer blinked. "Sorry?" "The scene is staged." She rose and walked a slow circle around the body, her torch angled low. "Look at the blood, Iyer. Look at the absence of it. His carotid's opened. That wound should have emptied him. There should be a liter of blood on this platform, arterial spray on the ceiling, pooling in the track bed. Instead there's a smear under his shoulder and a few drops on his collar. That's not a body that bled out. That's a body that was bleeding somewhere else." "Maybe he was killed at the far end of the platform and dragged," Iyer said. "CSU found smearing in the grit toward the tunnel mouth." "They found smearing. They didn't find drag marks. A hundred-kilo man dragged ten meters across sixty years of grime leaves a furrow, not a smear." She crouched again, this time at the victim's hands. The leather gloves were still on. "He's wearing his gloves. It's October, fine, men wear gloves. But look at the left cuff." She tilted her torch. "There's a tear at the seam. Small. And beneath it — see it? A red mark on the wrist. Not a bruise. Too regular. It's a circle, maybe a centimeter across, and it's not inflamed. It's not a fresh injury at all. It looks weeks old." "Needle mark? He could be a user." "Through a glove he was still wearing? And no track marks anywhere else on the forearm — I want the pathologist to check, but I'll bet you next month's overtime there's nothing." She stood and looked down the length of the platform, toward the black mouth of the northbound tunnel. "And here's the part I like least. His watch." Iyer leaned in. The victim's wristwatch had cracked crystal, hands frozen at 9:47. "Mechanical watch stopped at nine-forty-seven," Quinn said. "Wife says he never came home. CSU estimates time of death between eight and midnight based on body temperature. Consistent. Except." She pulled a pen from her coat and, not touching, indicated the body's face. "Livor mortis. The settling of the blood — where is it?" Iyer frowned, crouching, angling his torch along the corpse's cheek and neck. The face was pale, almost waxy, but the purple discoloration that should have pooled in the downward-facing side — the man lay half on his side, left cheek down — wasn't there. Not faintly. Not at all. "That's not possible," Iyer said slowly. "He's been dead eight hours minimum." "His blood settled somewhere. Just not in his body." Quinn said it flatly, the way she'd learned to say impossible things over the last three years, because the flatness kept the door of her mind from swinging open onto rooms she wasn't ready to enter. "Same as the blood loss. Whatever happened to Marcus Aldous-Reeve happened in a way our forms don't have boxes for." Iyer straightened, and she watched him do the thing every colleague did when she started down this road — the small recalibration, the decision about whether to follow her or start building a file for the complaint that would eventually land on a superintendent's desk. "Quinn. With respect. Occam's razor. He came down here to buy drugs or something stranger, met the wrong people, got cut, and the killer tried to clean the scene. Amateur cleanup, moved the body, missed the watch. That explains everything." "It explains everything by explaining nothing," Quinn said. "Who drags a body ten meters and leaves it in the best-lit part of the platform? Who cleans arterial spray off a ceiling in the dark? And where are the killer's footprints?" She swept her torch along the grit. "CSU mapped the prints. I read the log on my way down. Aldous-Reeve's shoes, the two contractors, CSU. That's all. Nobody came in with him and nobody left. He walked in alone, and he died alone, and there is no blood in him." The platform went quiet except for the slow drip of water somewhere in the tunnel. Iyer rubbed the back of his neck. Quinn turned her attention to the victim's effects, laid out on a ground sheet a few meters away: wallet, phone with a cracked screen, keys, a half-pack of mints. And at the edge of the sheet, logged as item seven, a small brass compass. She crouched over it without touching. The casing was old, greened with verdigris, and the face was etched with symbols she didn't recognize — not nautical, not any maker's mark she'd ever seen. Fine. Odd, but fine. People carried strange things. What was not fine was the needle. It wasn't pointing north. She checked her bearings — the tunnel ran roughly north–south, and the platform faced east across the tracks. The needle pointed due west, directly at the far wall. And it wasn't holding steady. It trembled, a quick nervous shiver, like a dog that's heard something in the walls. "Who bagged this?" she asked. "First responder logged it in his coat pocket," Iyer said. "Weird thing to carry. No phone compass needed in London." Quinn pulled an evidence glove from her pocket and snapped it on, then lifted the compass by its edge. The needle swung with the motion, then snapped back to west the instant she steadied it. Insistent. Almost urgent. She walked toward the far wall, and the needle's trembling eased, then sharpened again as she stopped in front of it. The wall was brick, Victorian, sheeted with a century of soot and mineral bloom. To any eye in that station, it was a wall. She walked its length, compass held out, and watched the needle hold true, then pass ninety degrees as she moved beyond it, tracking her like a compass tracks north. She came back to the center of the wall and stood very still. The brick here was different — she saw it now that she was looking. The mortar joints were crisp in a way the rest weren't. Re-pointed. Recently. And set into the mortar at knee height, half obscured by grime, was a hairline seam in the shape of a door. Behind her, Iyer's torch clicked off and on again, a nervous tic. "Quinn, what am I looking at?" "A wall that was opened and closed within the last month." She took out her own torch and rapped a knuckle against the brick. The sound came back wrong — not solid, hollow. She worked the seam with a gloved thumb, and a section shifted a centimeter, exhaling a breath of cold air that smelled of candle smoke and something copper-bitter. She looked down at the compass in her other hand. The needle had stopped trembling. It pointed straight ahead, through the brick, steady as a heartbeat. Three years ago, DS Morris had died in a basement in Bermondsey, and the report had said cardiac event, and the report had been wrong in every particular that mattered, and she had been the only one who wouldn't accept the tidy version. She had spent three years being the detective who saw doors in walls that other people called solid. "Iyer," she said quietly, "get CSU back down here. Nobody touches this brick until I say. And pull the incident log for every unexplained death in a five-mile radius of Camden in the past six months. I want dates, and I want moon phases." "Moon phases?" Quinn looked at the seam in the wall, at the small brass compass that had led a dead man through the dark to a door that shouldn't exist, and felt the old cold settle into her chest, patient and familiar. "Just do it," she said. "And Iyer — for now, this stays between us."
created_at"2026-09-23T18:03:17.562Z" 9/23/2026, 6:03:17 PM
model"aion-labs/aion-3.5-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1254
moderation_latency(null)
generation_time48455
tokens_prompt896
tokens_completion2927
native_tokens_prompt841
native_tokens_completion2636
native_tokens_completion_images(null)
native_tokens_reasoning376
native_tokens_cached841
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"stop"
service_tier(null)
usage0.01644675
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790186597-XXfSUqFHYxc9uxUkUkuV"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790186597-uro0siiK8TV58LW1xag2"
upstream_id"2ef6d05b6e5d42fda1763a19c66c3dd8"
provider_responses
0
endpoint_id"09b1fc56-3888-42bd-b7a0-926851c7f9d6"
id"2ef6d05b6e5d42fda1763a19c66c3dd8"
is_byokfalse
latency1254
model_permaslug"aion-labs/aion-3.5-20260923"
provider_name"AionLabs"
status200
total_cost0.01644675
cache_discount0.00189225
upstream_inference_cost0
provider_name"AionLabs"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
69.57% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags23
adverbTagCount3
adverbTags
0"She crouched again [again]"
1"Iyer said slowly [slowly]"
2"she said quietly [quietly]"
dialogueSentences42
tagDensity0.548
leniency1
rawRatio0.13
effectiveRatio0.13
91.41% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1747
totalAiIsmAdverbs3
found
0
adverb"very"
count2
1
adverb"slowly"
count1
highlights
0"very"
1"slowly"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Marcus"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
85.69% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1747
totalAiIsms5
found
0
word"crystal"
count1
1
word"mechanical"
count1
2
word"etched"
count1
3
word"trembled"
count1
4
word"familiar"
count1
highlights
0"crystal"
1"mechanical"
2"etched"
3"trembled"
4"familiar"
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
narrationSentences87
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences87
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences106
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen69
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1765
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions17
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions30
wordCount1033
uniqueNames10
maxNameDensity1.16
worstName"Iyer"
maxWindowNameDensity3.5
worstWindowName"Iyer"
discoveredNames
Tube1
Harlow1
Quinn10
Iyer12
Younger1
West1
End1
Victorian1
Morris1
Bermondsey1
persons
0"Harlow"
1"Quinn"
2"Iyer"
3"Victorian"
4"Morris"
places
0"West"
1"End"
2"Bermondsey"
globalScore0.919
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences57
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1765
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences106
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs41
mean43.05
std27.82
cv0.646
sampleLengths
059
137
252
36
453
553
611
769
838
999
103
113
1287
1325
14106
157
1659
1713
1853
1949
2012
2165
2285
2390
2422
2544
2641
2759
285
2920
3059
3153
3262
3318
3461
3526
3661
3744
382
3940
4014
93.16% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences87
matches
0"been resoled"
1"was etched"
2"heard"
84.39% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs173
matches
0"wasn't pointing"
1"wasn't holding"
2"was looking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount0
flaggedSentences9
totalSentences106
ratio0.085
matches
0"Detective Harlow Quinn stood at the bottom of the escalator shaft — the escalator itself long since gutted, leaving a concrete throat that swallowed the light from above — and let the scene settle into her the way rain settles into soil."
1"Male, mid-thirties, dressed well — charcoal overcoat, leather gloves, shoes that had been resoled twice, which meant he had money but not new money."
2"Her torch swept across the old posters, faded to ghosts of themselves — a West End musical, a brand of toothpaste that hadn't existed in twenty years."
3"The face was pale, almost waxy, but the purple discoloration that should have pooled in the downward-facing side — the man lay half on his side, left cheek down — wasn't there."
4"Iyer straightened, and she watched him do the thing every colleague did when she started down this road — the small recalibration, the decision about whether to follow her or start building a file for the complaint that would eventually land on a superintendent's desk."
5"The casing was old, greened with verdigris, and the face was etched with symbols she didn't recognize — not nautical, not any maker's mark she'd ever seen."
6"She checked her bearings — the tunnel ran roughly north–south, and the platform faced east across the tracks."
7"The brick here was different — she saw it now that she was looking."
8"The sound came back wrong — not solid, hollow."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1028
adjectiveStacks0
stackExamples(empty)
adverbCount34
adverbRatio0.033073929961089495
lyAdverbCount11
lyAdverbRatio0.010700389105058366
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences106
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences106
mean16.65
std14.19
cv0.852
sampleLengths
017
142
221
33
410
53
610
724
84
98
106
116
1216
1317
1420
154
1627
176
1816
1911
2029
2140
2219
2319
2410
2548
2641
273
282
291
3018
3169
3215
3310
3434
356
3620
3746
387
3950
409
413
4210
437
4435
4511
4612
4732
482
493
73.90% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.4716981132075472
totalSentences106
uniqueOpeners50
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences72
matches(empty)
ratio0
81.11% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount25
totalSentences72
matches
0"She didn't touch, didn't speak,"
1"She just looked."
2"His throat was open."
3"Her torch swept across the"
4"Her boots left prints in"
5"He gestured at the victim's"
6"She rose and walked a"
7"She crouched again, this time"
8"She tilted her torch"
9"She stood and looked down"
10"She pulled a pen from"
11"She swept her torch along"
12"She crouched over it without"
13"It wasn't pointing north."
14"She checked her bearings —"
15"It trembled, a quick nervous"
16"She walked toward the far"
17"She walked its length, compass"
18"She came back to the"
19"She took out her own"
ratio0.347
57.22% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount58
totalSentences72
matches
0"The abandoned Tube station smelled"
1"Detective Harlow Quinn stood at"
2"She didn't touch, didn't speak,"
3"She just looked."
4"The body lay on the"
5"His throat was open."
6"The wound was clean, surgical,"
7"That was the first wrong"
8"DS Iyer came down the"
9"Quinn walked the platform."
10"Her torch swept across the"
11"The tiles were slick with"
12"Her boots left prints in"
13"Iyer consulted his notebook"
14"Quinn crouched beside the body,"
15"Iyer's torch joined hers on"
16"He gestured at the victim's"
17"She rose and walked a"
18"She crouched again, this time"
19"The leather gloves were still"
ratio0.806
69.44% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences72
matches
0"To any eye in that"
ratio0.014
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences37
technicalSentenceCount10
matches
0"Detective Harlow Quinn stood at the bottom of the escalator shaft — the escalator itself long since gutted, leaving a concrete throat that swallowed the light f…"
1"Male, mid-thirties, dressed well — charcoal overcoat, leather gloves, shoes that had been resoled twice, which meant he had money but not new money."
2"Younger, sharp, ambitious, the kind of detective who read the case file twice on the way over."
3"Her torch swept across the old posters, faded to ghosts of themselves — a West End musical, a brand of toothpaste that hadn't existed in twenty years."
4"The face was pale, almost waxy, but the purple discoloration that should have pooled in the downward-facing side — the man lay half on his side, left cheek down…"
5"Iyer straightened, and she watched him do the thing every colleague did when she started down this road — the small recalibration, the decision about whether to…"
6"She worked the seam with a gloved thumb, and a section shifted a centimeter, exhaling a breath of cold air that smelled of candle smoke and something copper-bit…"
7"Three years ago, DS Morris had died in a basement in Bermondsey, and the report had said cardiac event, and the report had been wrong in every particular that m…"
8"She had spent three years being the detective who saw doors in walls that other people called solid."
9"Quinn looked at the seam in the wall, at the small brass compass that had led a dead man through the dark to a door that shouldn't exist, and felt the old cold …"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags23
uselessAdditionCount1
matches
0"She pulled, not touching, indicated the body's face"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags11
fancyCount0
fancyTags(empty)
dialogueSentences42
tagDensity0.262
leniency0.524
rawRatio0
effectiveRatio0
81.1968%