Run: 2026-07-25-01KYCSDW76G925DXC1BYQ249FE

Run Details

Duration:
9.3s
Cost:
$0.004137
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 down in the abandoned Camden Tube station tasted of copper, wet soot, and something curdled that Detective Harlow Quinn had learned to associate with the dark side of eighteen years on the Metropolitan Police force. She kept her stride measured, the heavy heels of her boots ringing off the grit-dusted platform with military precision. At five-foot-nine, she towered over most of the uniforms milling about the cordoned-off tracks, her sharp jaw set against the rising damp of the underground vault. She glanced down at her left wrist. The worn leather watch ticked faithfully, its hands glowing faintly in the gloom. Half-past midnight. Uniforms parted for her. They knew the closely cropped salt-and-pepper hair and the unyielding glare of Detective Quinn. She stepped beneath the red-and-white police tape strung between a rusted iron pillar and the edge of the disused platform, coming to a halt beside the body. The victim was a young woman, sprawled awkwardly across the dead rails. Her curly red hair was fanned out in the soot, and a pair of round glasses lay cracked a few feet away. Next to her outstretched hand rested a worn leather satchel, its flap half-open, spilling a mess of heavy academic texts onto the ballast. Quinn crouched, her knees popping in the heavy silence of the tunnel. She didn't touch the body, but her brown eyes swept over the scene with clinical detachment. Inspector Vance stood a few paces back, shifting his weight from one foot to the other and pulling a handkerchief from his pocket to dab at his forehead. Clear-cut overdose, Vance said, his voice echoing off the curved brick ceiling. Or a bad mix from the sounds of it. We found a scattering of suspicious white powder near her lips. Some kind of designer synthetic picked up in the underground clubs, no doubt. The kid slipped past the security grates up on Chalk Farm Road, crawled down here to score or use, and her heart just gave out. Happened fast. Quinn didn't look up immediately. She reached out, her gloved fingers hovering an inch above the victim’s right hand. A scattering of pale dust did indeed coat the cracked lips and the collar of the girl’s coat. Give me the specifics, Vance, Quinn said softly. Who called it in? A transit worker doing a line check. Saw the body from the cab of his maintenance cart around eleven. Called it straight in. Vance stepped closer, his boots crunching on the gravel. We’ve got uniforms canvas-checking the upper exits, but you know how these squats are. People slip in and out through the old ventilation shafts. Quinn stood up, stretching her spine, and turned slowly to survey the platform. Her gaze traced the peeling, soot-stained travel posters from the nineteen-eighties, the rusted ticket barriers fifty yards back, and finally the dark maw of the tunnel curving away into impenetrable blackness. It’s too neat, Quinn said. Vance frowned, slipping his handkerchief away. Neat? It’s a tragedy in a bloody hole in the ground. What part of that strikes you as tidy? Quinn walked past the body, her eyes fixed on the ground. She stopped ten feet down the tracks, where a rusted steel support beam jutted out from the tunnel wall. She knelt again, her fingers brushing the dark, damp timber of the ties. Look at the dust, Vance. Quinn pointed toward the undisturbed layer of gray grime coating the steel beam and the surrounding ballast. It’s an inch thick across this entire platform. Except right here. Right where she fell? Vance asked, crossing his arms. People thrash when they overdose. They sweep the floor with their limbs. Quinn shook her head slowly. She pointed to the victim's satchel, still sitting half-open on the gravel. The leather is dry. The books spilling out of it—look at the spines, Vance. No dampness. No soot ground into the cloth. If she had crawled down here through miles of unventilated, dripping Victorian tunnels from Chalk Farm Road, that bag would be soaked through and caked in grime. Instead, it looks like it was dropped here ten minutes ago out of someone’s clean hatchback. Vance sighed, stepping up beside her and peering down at the satchel with mild irritation. People carry bags in wrappers, Quinn. Maybe she took a cab to the abandoned entrance on Camden High. And walked past the welded iron grates without a crowbar? Quinn stood, her height giving her a commanding view of the grim little tableau. She turned her attention back to the body, studying the angle of the limbs, the unnatural stillness of the chest. She noticed something else, something small that the uniforms had missed in their rush to secure the perimeter. Tucked into the cuff of the victim's left sleeve was a glint of tarnished brass. Quinn knelt once more, carefully using the tip of a pen to slide back the heavy wool of the coat sleeve. Nestled against the pale skin of the wrist was a small brass pocket compass. The casing was worn, covered in a distinct patina of verdigris, and the face was heavily etched with intricate geometric sigils that didn't look remotely human. Vance leaned over her shoulder, squinting. What’s that? Some kind of novelty trinket? Quinn didn't answer right away. She stared at the delicate, needle-like pointer within the brass housing. It wasn't pointing north toward the Euston mainline or south toward King’s Cross. It was twitching violently, locked onto a bearing that led straight down the dark, sealed tunnel behind them—deeper into the subterranean warren beneath Camden, far past the reach of the tube lines. The Veil Market, Quinn murmured, almost to herself. What was that? Vance asked, his brow furrowing. Nothing. Quinn carefully lifted the compass with her gloved fingers, sliding it into an evidence bag she produced from her pocket. She sealed it with a sharp snap. She stood up, her jaw tightening as the pieces of the puzzle began to snap into a terrifying, impossible alignment. This isn't an overdose, Vance. Then what is it? Vance’s voice rose a fraction, losing its weary patience. We have a dead girl, white powder on her face, and an open-and-shut scene in a transit squat. What grand conspiracy are you inventing this time? Quinn turned her brown eyes on him, cold and unblinking. Her mind flashed briefly to a file locked deep in her desk at Scotland Yard—the unsolved case of DS Morris, her partner who had vanished three years ago during a midnight raid on a subterranean warehouse, leaving behind no footprints, no struggle, and no answers. She didn't crawl down here to score, Quinn said, her voice dropping to a low, hard register. She was brought here. The powder on her face is chalk, Vance. It’s theater. A distraction to make the uniforms turn a blind eye and close the book before anyone asks how she got past the sealed bulkheads. She looked back down the dark tunnel, where the compass in her pocket seemed to vibrate against her thigh. Someone wanted us to find a dead girl so we wouldn't go looking for whatever walked out of the dark.
created_at"2026-07-25T14:03:53.993Z" 7/25/2026, 2:03:53 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency334
moderation_latency(null)
generation_time9126
tokens_prompt896
tokens_completion1782
native_tokens_prompt883
native_tokens_completion1549
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"default"
usage0.0041374
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"SsJkarv8CIaM_uMPtqXCkQk"
is_byokfalse
latency333
model_permaslug"google/gemini-3.5-flash-lite-20260721"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784988234-rb1xkPePFVZNyWrfQyzi"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784988234-yJvT4A5GwpWk5YFhYNR9"
upstream_id"SsJkarv8CIaM_uMPtqXCkQk"
total_cost0.0041374
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
79.11% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1197
totalAiIsmAdverbs5
found
0
adverb"softly"
count1
1
adverb"slowly"
count2
2
adverb"carefully"
count2
highlights
0"softly"
1"slowly"
2"carefully"
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)
49.87% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1197
totalAiIsms12
found
0
word"measured"
count1
1
word"gloom"
count1
2
word"silence"
count1
3
word"weight"
count1
4
word"echoing"
count1
5
word"synthetic"
count1
6
word"traced"
count1
7
word"maw"
count1
8
word"glint"
count1
9
word"etched"
count1
10
word"intricate"
count1
11
word"furrowing"
count1
highlights
0"measured"
1"gloom"
2"silence"
3"weight"
4"echoing"
5"synthetic"
6"traced"
7"maw"
8"glint"
9"etched"
10"intricate"
11"furrowing"
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
narrationSentences97
matches(empty)
69.22% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount2
narrationSentences97
filterMatches
0"watch"
1"know"
2"look"
hedgeMatches
0"began to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences97
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen46
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1194
ratio0
matches(empty)
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions3
matches
0"Clear-cut overdose, Vance said, his voice echoing off the curved brick ceiling."
1"Give me the specifics, Vance, Quinn said softly."
2"The Veil Market, Quinn murmured, almost to herself."
74.62% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions60
wordCount1194
uniqueNames22
maxNameDensity1.51
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Camden3
Tube1
Detective2
Harlow1
Quinn18
Metropolitan1
Police1
Vance14
Chalk2
Farm2
Road2
Victorian1
High1
Euston1
King1
Cross1
Veil1
Market1
Scotland1
Yard1
Morris1
People3
persons
0"Detective"
1"Harlow"
2"Quinn"
3"Police"
4"Vance"
5"Victorian"
6"King"
7"Cross"
8"Morris"
9"People"
places
0"Chalk"
1"Farm"
2"Road"
3"Euston"
4"Scotland"
globalScore0.746
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences71
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1194
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences97
matches
0"curdled that Detective"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs32
mean37.31
std22.06
cv0.591
sampleLengths
082
122
245
357
428
528
672
737
812
956
1044
115
1225
1343
1433
1521
1682
1733
1862
1915
2061
2113
2261
238
248
2548
265
2739
2855
2955
3019
3120
94.41% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences97
matches
0"was fanned"
1"was dropped"
2"was brought"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs192
matches
0"wasn't pointing"
1"was twitching"
54.49% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences3
totalSentences97
ratio0.031
matches
0"The books spilling out of it—look at the spines, Vance."
1"It was twitching violently, locked onto a bearing that led straight down the dark, sealed tunnel behind them—deeper into the subterranean warren beneath Camden, far past the reach of the tube lines."
2"Her mind flashed briefly to a file locked deep in her desk at Scotland Yard—the unsolved case of DS Morris, her partner who had vanished three years ago during a midnight raid on a subterranean warehouse, leaving behind no footprints, no struggle, and no answers."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1214
adjectiveStacks0
stackExamples(empty)
adverbCount34
adverbRatio0.02800658978583196
lyAdverbCount16
lyAdverbRatio0.013179571663920923
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences97
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences97
mean12.31
std8.52
cv0.692
sampleLengths
037
119
226
37
413
52
64
714
827
912
1022
1123
1212
1316
1428
1512
169
1711
1813
1925
202
215
2214
2318
248
254
267
2712
284
299
3014
3110
3213
3331
345
356
361
3710
388
3911
4019
4113
425
4317
448
453
464
475
485
497
59.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.4020618556701031
totalSentences97
uniqueOpeners39
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences90
matches
0"Instead, it looks like it"
1"Maybe she took a cab"
2"Then what is it?"
ratio0.033
91.11% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount29
totalSentences90
matches
0"She kept her stride measured,"
1"She glanced down at her"
2"They knew the closely cropped"
3"She stepped beneath the red-and-white"
4"Her curly red hair was"
5"She didn't touch the body,"
6"We found a scattering of"
7"She reached out, her gloved"
8"We’ve got uniforms canvas-checking the"
9"Her gaze traced the peeling,"
10"It’s too neat, Quinn said."
11"It’s a tragedy in a"
12"She stopped ten feet down"
13"She knelt again, her fingers"
14"It’s an inch thick across"
15"They sweep the floor with"
16"She pointed to the victim's"
17"She turned her attention back"
18"She noticed something else, something"
19"She stared at the delicate,"
ratio0.322
82.22% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount68
totalSentences90
matches
0"The air down in the"
1"She kept her stride measured,"
2"She glanced down at her"
3"The worn leather watch ticked"
4"Uniforms parted for her."
5"They knew the closely cropped"
6"She stepped beneath the red-and-white"
7"The victim was a young"
8"Her curly red hair was"
9"Quinn crouched, her knees popping"
10"She didn't touch the body,"
11"Inspector Vance stood a few"
12"We found a scattering of"
13"Some kind of designer synthetic"
14"The kid slipped past the"
15"Quinn didn't look up immediately."
16"She reached out, her gloved"
17"A scattering of pale dust"
18"A transit worker doing a"
19"Vance stepped closer, his boots"
ratio0.756
55.56% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences90
matches
0"If she had crawled down"
ratio0.011
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount2
matches
0"The casing was worn, covered in a distinct patina of verdigris, and the face was heavily etched with intricate geometric sigils that didn't look remotely human."
1"Her mind flashed briefly to a file locked deep in her desk at Scotland Yard—the unsolved case of DS Morris, her partner who had vanished three years ago during …"
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
87.0139%