Run: 2026-05-10-01KR90HR25ZMZXVSW38TEXJ87F

Run Details

Duration:
8.4s
Cost:
$0.002507
Provider:
Google AI Studio

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 air in the abandoned Camden Tube station tasted of copper, ozone, and a century of trapped soot. Harlow Quinn stepped off the rusted service ladder, her polished boots crunching against broken subway tiles. She kept her posture rod-straight, her eyes scanning the vaulted ceiling, where stalactites of calcified grime hung like calcified teeth. Down here, the silence possessed a physical weight. It was the silence of a grave, or something older. She adjusted the worn leather watch on her left wrist, checking the time. 03:14 AM. Beside her, a patrol officer hovered near the edge of the platform, his flashlight beam trembling as it swept over the graffiti-strewn walls. He looked terrified, the kind of scared that usually preceded a transfer request or a nervous breakdown. Detective Quinn didn't look at him. She looked at the center of the platform. A body lay facedown, twisted into an unnatural sprawl. The victim was young, dressed in clothes that screamed high-street fashion, entirely out of place in the dank belly of the city. But it wasn't the body that held Quinn’s focus. It was the smear of iridescent, violet-hued residue trailing away from the torso, leading toward a darkened tunnel entrance that didn't appear on any of the official city maps. You shouldn't be down here, Detective, the officer muttered, his voice barely a rasp. The brass wants this cordoned off as a structural collapse. A cave-in. Quinn felt the sharp pull of her jawline as she tightened her expression. She turned, her salt-and-pepper hair catching the faint, flickering light of a distant auxiliary bulb. She had seen Structural collapses before. They left concrete dust and crushed limbs. They did not leave behind a lingering, sharp scent of ozone or victims with their purses still slung over their shoulders, contents intact, untouched by thieves. Structural collapses don't hunt, Officer, Quinn said, her voice steady, tempered by eighteen years of holding the line. Keep the perimeter tight. If anyone comes near this platform, radio me immediately. I don't care if it’s the Commissioner himself. She moved forward, the sound of her footsteps amplified by the vast, hollow curve of the tunnel. As she neared the body, she kept her hand hovered near her sidearm, though she knew, with a bitter, simmering certainty, that lead wasn't the answer to what she was chasing. Not anymore. Not since she lost Morris. She knelt, ignoring the damp filth soaking into the knees of her trousers. She reached for a small, discarded item snagged on the victim's coat pocket: a brass object encrusted with a thin, emerald-green patina of verdigris. She picked it up delicately. A Veil Compass. The face was etched with protective sigils, and the needle, usually lethargic, was spinning with a frantic, rhythmic intensity, vibrating against the glass. It wasn't pointing north. It was pointing directly at the wall behind the victim, where the bricks seemed to shimmer like heat haze on an August highway. Detective, keep back. The voice was soft, hesitant, and utterly familiar. Quinn didn't flinch. She recognized the rhythm of those footsteps, a lighter, more frantic gait than the officer’s. She turned her head, her gaze meeting a mane of unruly curly red hair and a pair of round, gold-rimmed glasses. Eva Kowalski adjusted her leather satchel, her face pale, a smattering of freckles standing out like stars against the gloom. She kept tucking a lock of hair behind her left ear, her signature nervous tick. Eva, Quinn said, her tone a mix of warning and exhaustion. What are you doing in a restricted crime scene? I’m doing your job for you, Harlow, Eva replied, lowering her voice. She glanced at the officer, who was struggling to keep his flashlight steady, then back to the detective. I tracked the energy signature from the British Museum archives. There was a breach, a tear in the fabric. This girl... she wasn't killed by a person. She was caught in the wake of a transit. Quinn stood up, the Veil Compass heavy in her hand. A transit. You’re talking about the Market. Eva nodded, her eyes darting toward the shimmering wall. It shifts on the full moon, Harlow. This station—it’s just a shell. A doorway that shouldn't be open. If you keep poking at the evidence, if you keep trying to fit this into a Metropolitan Police file, you’re going to be the next ghost in the machine. Look. Eva stepped closer, ignoring the police tape the patrolman had haphazardly strung up. She pointed to the victim’s outstretched hand. Gripped tightly in the dead girl's fingers was a small, polished bone fragment. A token. The entry requirement, Eva whispered. She didn't get in. She was rejected. The threshold guards don't just turn people away, Harlow. They excise them. Quinn stared at the bone token, her mind racing through the logic of a world she had spent three years trying to deny. Every instinct in her body, every drill from her academy days, demanded she call in a forensic team, process the scene, catalog the evidence. But the evidence was rewriting itself; as she watched, the violet residue on the floor began to evaporate, leaving behind nothing but scorched stone. The official report will say she fell from the rafters, won't it? Quinn asked, her voice dangerously quiet. It will say she slipped, Eva corrected, her green eyes wide behind the lenses. And if you force the truth, they’ll bury you right alongside that narrative. Quinn felt a sudden, familiar ache in her chest—the same phantom pressure she felt every time she stood on the site of Morris’s disappearance. It was the lure of the rabbit hole, the dark reality hidden beneath the streets of London. She thought of the years she’d spent building a career on hard facts, on concrete evidence, only to realize the foundation of the world was made of shadows. She looked at the brass compass. The needle had stopped spinning and now pointed directly at the tunnel entrance. It wasn't a tool of measurement anymore; it was an invitation. Get out of here, Eva, Quinn said, her voice firmer this time. Take your research and go home. And you? Quinn turned back to the shimmering wall, the bones of the station creaking in sympathy with the unseen energy tearing at the veil. She took a breath, the metallic taste of the air coating her tongue like lead. I’m going to see if any of these shadows have a name, she said. She didn't wait for a response. As she stepped toward the shimmering wall, the patrol officer’s flashlight beam swept past her, and for a fleeting second, the light didn't catch her shadow at all. She reached out, her fingertips brushing the cold, vibrating stone of the tunnel entrance, and stepped into a world that the records would never record, leaving the badge, the file, and the life she had built behind in the dark.
created_at"2026-05-10T13:17:12.141Z" 5/10/2026, 1:17:12 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency545
moderation_latency(null)
generation_time8333
tokens_prompt923
tokens_completion1767
native_tokens_prompt883
native_tokens_completion1524
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"STOP"
service_tier"standard"
usage0.00250675
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"WIUAaub5FNqJz7IP4t-ByAE"
is_byokfalse
latency545
model_permaslug"google/gemini-3.1-flash-lite-20260507"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778419032-Xg4qn40a5dMA0SwOCBCT"
session_id(null)
api_type"completions"
id"gen-1778419032-D01G3vE6IzrOjUv5E9D3"
upstream_id"WIUAaub5FNqJz7IP4t-ByAE"
total_cost0.00250675
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
91.37% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1159
totalAiIsmAdverbs2
found
0
adverb"utterly"
count1
1
adverb"tightly"
count1
highlights
0"utterly"
1"tightly"
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)
30.97% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1159
totalAiIsms16
found
0
word"scanning"
count1
1
word"silence"
count2
2
word"weight"
count1
3
word"grave"
count1
4
word"footsteps"
count2
5
word"simmering"
count1
6
word"etched"
count1
7
word"rhythmic"
count1
8
word"intensity"
count1
9
word"familiar"
count2
10
word"gloom"
count1
11
word"racing"
count1
12
word"fleeting"
count1
highlights
0"scanning"
1"silence"
2"weight"
3"grave"
4"footsteps"
5"simmering"
6"etched"
7"rhythmic"
8"intensity"
9"familiar"
10"gloom"
11"racing"
12"fleeting"
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
emotionTells2
narrationSentences94
matches
0"looked terrified"
1"g in sympathy"
97.26% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences94
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)
analyzedSentences94
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1157
ratio0
matches(empty)
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions4
matches
0"Eva, Quinn said, her tone a mix of warning and exhaustion."
1"The entry requirement, Eva whispered."
2"It will say she slipped, Eva corrected, her green eyes wide behind the lenses."
3"Get out of here, Eva, Quinn said, her voice firmer this time."
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions48
wordCount1157
uniqueNames20
maxNameDensity1.12
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Eva"
discoveredNames
Camden1
Tube1
Quinn13
Detective3
Structural2
Officer1
Commissioner1
Morris2
Veil2
Compass2
August1
Kowalski1
Harlow4
Eva8
British1
Museum1
Market1
Metropolitan1
Police1
London1
persons
0"Quinn"
1"Detective"
2"Structural"
3"Officer"
4"Morris"
5"Kowalski"
6"Harlow"
7"Eva"
8"Museum"
9"Police"
places
0"Veil"
1"British"
2"Metropolitan"
3"London"
globalScore0.938
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences73
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1157
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences94
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean38.57
std21.31
cv0.553
sampleLengths
054
118
255
314
469
526
667
739
855
942
1053
113
1247
1335
1420
1566
1617
1757
1835
1924
2071
2118
2227
2369
2430
2518
262
2738
2814
2974
94.06% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences94
matches
0"was etched"
1"was caught"
2"was made"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs191
matches
0"was chasing"
1"was spinning"
2"wasn't pointing"
3"was pointing"
4"was struggling"
5"was rewriting"
21.28% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount2
flaggedSentences4
totalSentences94
ratio0.043
matches
0"This station—it’s just a shell."
1"But the evidence was rewriting itself; as she watched, the violet residue on the floor began to evaporate, leaving behind nothing but scorched stone."
2"Quinn felt a sudden, familiar ache in her chest—the same phantom pressure she felt every time she stood on the site of Morris’s disappearance."
3"It wasn't a tool of measurement anymore; it was an invitation."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1168
adjectiveStacks2
stackExamples
0"thin, emerald-green patina"
1"unruly curly red hair"
adverbCount26
adverbRatio0.02226027397260274
lyAdverbCount16
lyAdverbRatio0.0136986301369863
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences94
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences94
mean12.31
std8.22
cv0.668
sampleLengths
018
116
220
38
410
513
62
723
817
96
108
119
1222
139
1429
1514
1610
172
1813
1915
206
217
2226
2318
244
259
268
2717
2831
292
305
3113
3224
335
343
3523
364
3723
383
398
403
4115
4221
4320
4415
4511
469
4712
4818
4910
42.55% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3191489361702128
totalSentences94
uniqueOpeners30
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences86
matches(empty)
ratio0
29.30% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount41
totalSentences86
matches
0"She kept her posture rod-straight,"
1"It was the silence of"
2"She adjusted the worn leather"
3"He looked terrified, the kind"
4"She looked at the center"
5"It was the smear of"
6"You shouldn't be down here,"
7"She turned, her salt-and-pepper hair"
8"She had seen Structural collapses"
9"They left concrete dust and"
10"They did not leave behind"
11"I don't care if it’s"
12"She moved forward, the sound"
13"She knelt, ignoring the damp"
14"She reached for a small,"
15"She picked it up delicately."
16"It wasn't pointing north."
17"It was pointing directly at"
18"She recognized the rhythm of"
19"She turned her head, her"
ratio0.477
58.84% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount69
totalSentences86
matches
0"The air in the abandoned"
1"Harlow Quinn stepped off the"
2"She kept her posture rod-straight,"
3"It was the silence of"
4"She adjusted the worn leather"
5"He looked terrified, the kind"
6"Detective Quinn didn't look at"
7"She looked at the center"
8"A body lay facedown, twisted"
9"The victim was young, dressed"
10"It was the smear of"
11"You shouldn't be down here,"
12"The brass wants this cordoned"
13"Quinn felt the sharp pull"
14"She turned, her salt-and-pepper hair"
15"She had seen Structural collapses"
16"They left concrete dust and"
17"They did not leave behind"
18"I don't care if it’s"
19"She moved forward, the sound"
ratio0.802
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences86
matches
0"If anyone comes near this"
1"If you keep poking at"
ratio0.023
71.43% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences50
technicalSentenceCount5
matches
0"The victim was young, dressed in clothes that screamed high-street fashion, entirely out of place in the dank belly of the city."
1"It was the smear of iridescent, violet-hued residue trailing away from the torso, leading toward a darkened tunnel entrance that didn't appear on any of the off…"
2"She glanced at the officer, who was struggling to keep his flashlight steady, then back to the detective."
3"Quinn stared at the bone token, her mind racing through the logic of a world she had spent three years trying to deny."
4"She reached out, her fingertips brushing the cold, vibrating stone of the tunnel entrance, and stepped into a world that the records would never record, leaving…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
76.9469%