Run: 2026-07-25-01KYCVN6ZK78B90QRHHEMAW2CB

Run Details

Duration:
5.4s
Cost:
$0.002875
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
Detective Harlow Quinn stood on the cold concrete platform of the abandoned Tube station beneath Camden, her boots crunching on grit and centuries of coal dust. Above them, the rumble of the Northern Line shook the damp masonry, dropping flakes of rust from the vaulted ceiling like iron snow. Quinn adjusted the worn leather watch on her left wrist, checking the time by the dim beam of her heavy-duty torch. Forty-one years old, eighteen of them spent carving a decorated career out of the Metropolitan Police's asphalt and blood, and she had never seen a crime scene quite like this one. Her sharp jaw tightened as she swept the light across the tracks. A body lay sprawled across the rusted rails, twisted at an impossible, anatomical defiance. But it wasn't the dead man that bothered her. It was the logistics. There were no boot prints in the thick, undisturbed layer of soot leading to the body. No signs of a scuffle, no drag marks, no entry through the heavily sealed iron grate twenty feet up the tunnel wall. The station had been bricked off by London Transport back in the sixties, and the masonry was completely intact. Beside the corpse, kneeling over a small brass compass with a patina of verdigris, stood Inspector Vance. Vance was a company man through and through, smelling faintly of stale cigarette smoke and cheap polish. Open and shut, Vance muttered, not looking up from his crouching position. He nudged the small brass compass with the tip of his gloved finger. Face etched with protective sigils, the damn thing was spinning wildly, completely ignoring magnetic north. Looks like a turf war between some Camden roughs. Someone got tossed over the platform edge, neck snapped clean. Quinn didn't move. Her closely cropped salt-and-pepper hair brushed the collar of her heavy wool coat as she slowly shook her head. Her bearing was one of absolute military precision, unyielding and analytical. Look closer, Vance, she said, her voice dropping into that low, flat register that usually preceded a suspension or a confession. Vance sighed, standing up and dusting soot from his knees. What am I missing, Harlow? Cause of death is obvious. Traumatic cervical dislocation. We find the local dealer who fenced him whatever he was carrying, slap the cuffs on, and call it a Tuesday. Quinn walked the perimeter of the platform, ignoring the tracks entirely. She trained her torch not on the victim, but on the dust. The absolute absence of it. If someone threw him over, Vance, where are the footprints? she asked, her brown eyes narrowing as she swept the beam in a tight grid. The soot here is knee-deep and undisturbed for fifty years. Not a mouse has crossed this corner. Yet he’s sitting dead center on the tracks like he materialized out of thin air. Vance scoffed, though the sound lacked true conviction. Maybe they used a crane. Lowered him from the ventilation shaft. Look at the shaft, Quinn countered, pointing her light upward. The iron grating is rusted shut, choked with cobwebs thick enough to catch a bird. If a wrench had touched those bolts in a decade, the paint would flake. It’s solid. She crouched down next to Vance, her gaze locking onto the dead man's fingers. They were curled tightly around a small, scorched bone token, the kind she had started seeing turning up in pockets of strange young people she’d been tracking for months—a clique of university researchers and occult dabblers who seemed to operate outside the normal laws of the city. And look at this, Quinn whispered, reaching out with a gloved hand to touch the brass compass resting near the victim's hip. The casing has a patina of verdigris, but the glass face is warm. It shouldn't be. It's forty degrees down here. Vance frowned, finally dropping to one knee beside her. What are you getting at? You sound like one of those crackpots down at the museum archives. Quinn didn't answer immediately. Her mind tracked back three years, to the night she lost her partner, DS Morris. A closed room, a locked door, and a man who simply ceased to be, leaving behind a cold spot in the air and a lingering smell of ozone that forensic science could never quite categorize. The brass compass was ticking now—a faint, mechanical stutter that sounded almost like a heartbeat. The needle wasn't pointing north; it was trembling violently toward a crack in the damp brickwork where a faint, violet luminescence pulsed just beneath the surface of the stone. They didn't push him, Vance, Quinn said, her voice dead steady. And they didn't bring him down here through the tunnels. Then how did he get here? Quinn stood up, towering over her colleague, her shadow stretching long and dark across the abandoned tracks. He didn't come from London at all.
created_at"2026-07-25T14:42:51.532Z" 7/25/2026, 2:42:51 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency319
moderation_latency(null)
generation_time5312
tokens_prompt896
tokens_completion1210
native_tokens_prompt883
native_tokens_completion1044
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"
usage0.0028749
router(null)
provider_responses
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endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
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is_byokfalse
latency315
model_permaslug"google/gemini-3.5-flash-lite-20260721"
provider_name"Google AI Studio"
status200
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http_referer(null)
request_id"req-1784990571-ZjbbFqUn36tXiZQOXWOw"
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api_type"completions"
id"gen-1784990571-JVJ86vZpAU0JEUJSCb7a"
upstream_id"a8tkaorHJtDJ-8YPwuHfoAo"
total_cost0.0028749
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
75.43% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount814
totalAiIsmAdverbs4
found
0
adverb"completely"
count2
1
adverb"slowly"
count1
2
adverb"tightly"
count1
highlights
0"completely"
1"slowly"
2"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)
75.43% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount814
totalAiIsms4
found
0
word"etched"
count1
1
word"magnetic"
count1
2
word"mechanical"
count1
3
word"pulsed"
count1
highlights
0"etched"
1"magnetic"
2"mechanical"
3"pulsed"
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
narrationSentences61
matches(empty)
96.02% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences61
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences61
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen48
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords812
ratio0
matches(empty)
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions2
matches
0"Open and shut, Vance muttered, not looking up from his crouching position."
1"Look closer, Vance, she said, her voice dropping into that low, flat register that usually preceded a suspension or a co…"
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions34
wordCount812
uniqueNames14
maxNameDensity1.23
worstName"Vance"
maxWindowNameDensity2.5
worstWindowName"Vance"
discoveredNames
Harlow2
Quinn9
Tube1
Camden2
Northern1
Line1
Metropolitan1
Police1
London2
Transport1
Inspector1
Vance10
Tuesday1
Morris1
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Line"
4"Police"
5"Transport"
6"Inspector"
7"Vance"
8"Morris"
places
0"London"
globalScore0.884
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences49
glossingSentenceCount0
matches(empty)
76.85% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords1.232
wordCount812
matches
0"not on the victim, but on the dust"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences61
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs20
mean40.6
std24.69
cv0.608
sampleLengths
049
152
296
334
459
533
621
744
828
957
1019
1141
1261
1343
1426
1598
1621
176
1817
197
82.25% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences61
matches
0"been bricked"
1"got tossed"
2"is rusted"
3"were curled"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs128
matches
0"was spinning"
1"was carrying"
2"was ticking"
3"wasn't pointing"
2.34% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount1
flaggedSentences3
totalSentences61
ratio0.049
matches
0"They were curled tightly around a small, scorched bone token, the kind she had started seeing turning up in pockets of strange young people she’d been tracking for months—a clique of university researchers and occult dabblers who seemed to operate outside the normal laws of the city."
1"The brass compass was ticking now—a faint, mechanical stutter that sounded almost like a heartbeat."
2"The needle wasn't pointing north; it was trembling violently toward a crack in the damp brickwork where a faint, violet luminescence pulsed just beneath the surface of the stone."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount819
adjectiveStacks0
stackExamples(empty)
adverbCount25
adverbRatio0.030525030525030524
lyAdverbCount14
lyAdverbRatio0.017094017094017096
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences61
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences61
mean13.31
std8.37
cv0.629
sampleLengths
026
123
221
331
412
514
69
74
816
922
1019
1117
1217
1312
1413
1515
169
1710
183
1919
2011
2121
2210
235
245
253
2621
2711
2812
295
3010
3115
3210
337
3415
358
365
376
3810
3915
4014
412
4214
4347
4422
4513
463
475
489
495
85.25% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats3
diversityRatio0.5409836065573771
totalSentences61
uniqueOpeners33
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences60
matches
0"Maybe they used a crane."
1"Then how did he get"
ratio0.033
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount16
totalSentences60
matches
0"Her sharp jaw tightened as"
1"It was the logistics."
2"He nudged the small brass"
3"Her closely cropped salt-and-pepper hair"
4"Her bearing was one of"
5"We find the local dealer"
6"She trained her torch not"
7"she asked, her brown eyes"
8"She crouched down next to"
9"They were curled tightly around"
10"It shouldn't be."
11"It's forty degrees down here."
12"You sound like one of"
13"Her mind tracked back three"
14"They didn't push him, Vance,"
15"He didn't come from London"
ratio0.267
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount39
totalSentences60
matches
0"Detective Harlow Quinn stood on"
1"Quinn adjusted the worn leather"
2"Her sharp jaw tightened as"
3"A body lay sprawled across"
4"It was the logistics."
5"The station had been bricked"
6"Vance was a company man"
7"He nudged the small brass"
8"Face etched with protective sigils,"
9"Looks like a turf war"
10"Someone got tossed over the"
11"Quinn didn't move."
12"Her closely cropped salt-and-pepper hair"
13"Her bearing was one of"
14"Vance sighed, standing up and"
15"Cause of death is obvious."
16"We find the local dealer"
17"Quinn walked the perimeter of"
18"She trained her torch not"
19"The absolute absence of it."
ratio0.65
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences60
matches
0"If someone threw him over,"
1"If a wrench had touched"
ratio0.033
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences41
technicalSentenceCount2
matches
0"They were curled tightly around a small, scorched bone token, the kind she had started seeing turning up in pockets of strange young people she’d been tracking …"
1"The brass compass was ticking now—a faint, mechanical stutter that sounded almost like a heartbeat."
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
85.8967%