Run: 2026-05-10-01KR8VHWHVV7D3AEM5YJCDS0NG

Run Details

Duration:
8.5s
Cost:
$0.002613
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 station tasted of wet iron and antiquity, a stagnant pool of breath held for a century. Detective Harlow Quinn stepped over a rusted turnstile, her boots crunching on a carpet of shattered tile and discarded newsprint. She kept her right hand close to her sidearm, her salt-and-pepper hair clipped close enough to reveal the sharp, nervous tension of her jawline. She didn’t like the smell. It wasn’t the usual rot of the London Underground. This was ionized, sharp, like a thunderstorm trapped in a basement. Two transit officers stood near a pile of damp, rotting crates, their flashlights dancing nervously over the arched brick ceiling. They looked like boys playing soldier, which didn't help the hollow ache behind Harlow’s ribs—the phantom weight of DS Morris, who would have already been joking about the lack of signal. Harlow checked her worn leather watch. Three AM. The quiet was absolute, heavy enough to press against the eardrums. "Detective," one of the officers called out, his voice cracking slightly. He gestured toward the far platform. "We found the civilian just near the dead-end tracks. She was just... sitting there." Harlow exhaled, a thin puff of white mist, and strode toward them. The civilian was sitting on a wooden bench, hunched over a heavy, worn leather satchel. She wore glasses so thick they caught the moonlight filtering through a ventilation grate in the ceiling, turning her eyes into luminous, startled green pools. "Eva Kowalski," Harlow said, reading the ID she’d pulled from the transport logs earlier. She stopped five feet away, her posture rigid, military, watchful. "You’re a long way from the British Museum, Ms. Kowalski." Eva tucked a curl of red hair behind her left ear, a rhythmic, nervous tick. "I was conducting research. The archives are... they have quiet hours, Detective." "In an abandoned Tube station? At three in the morning?" Harlow tapped a gloved finger against her thigh. "You’re trespassing in a restricted structural zone. And there’s a body behind that pile of crates." Eva’s gaze shifted to the crates, her freckled complexion paling. "I didn't kill anyone. I was just... observing. There are energies here that shouldn’t be dormant." Harlow stepped closer, ignoring the protests of the transit officers. She saw it then—not a body, but a smear of something luminous, like oil on water, coating the grime of the track bed. It wasn't blood. It lacked the iron scent. "Energy?" Harlow knelt, her knees popping. She reached into her pocket, pulling out a crime scene kit, but her fingers stopped. Something in the corner of her vision flickered. A small brass object slid from the open flap of Eva’s satchel. A compass, crusted with a thin, emerald-green patina of verdigris. Harlow picked it up. The face was etched with chaotic, needle-thin sigils that seemed to squirm under her gaze. The needle wasn't pointing North. It was locked, trembling violently toward the tunnel wall where the masonry had been forced open, revealing a gap that looked like a jagged tooth. "This," Harlow said, her voice dropping to a low, dangerous register, "is not standard-issue, Ms. Kowalski. Where did you get this?" "It’s a Veil Compass," Eva whispered, her hands trembling as she clutched her satchel. "It points to the rifts. If you’re seeing it move, Detective, then you’re standing in the middle of a doorway that shouldn't be open." "I don't believe in ghosts, and I don't believe in doorways in brick walls," Harlow snapped, though her pulse hammered in her throat. She remembered Morris. He had been chasing a suspect into a place just like this—a place that didn't appear on any city map, a place where the logic of the world simply stopped. Three years later, the silence of his disappearance still felt like a physical weight she carried in her chest. "You don't have to believe in them for them to kill you," Eva said, her green eyes wide and intense. "The Market moves with the moon. You think we're in Camden? Look at the tracks, Detective. Look at the gauge. They’re too narrow for a London locomotive. We’re in the Veil Market. We’ve been pulled in." Harlow stood, turning slowly. The flashlights behind her were no longer illuminating the station. They were cutting through a thick, swirling mist that smelled of ozone and ancient spice. The crates were gone. In their place were stalls draped in moth-eaten velvet, selling jars of bottled starlight and vials of liquid shadow. The transit officers had vanished. "Where are they?" Harlow demanded, her hand finally gripping the handle of her sidearm. "You did this. Some kind of hypnotic hallucination? Drugs?" "I’m an archivist, not a warlock," Eva hissed, standing up. She looked terrified, but there was a familiarity in her eyes that Harlow hated. "You’re an investigator. Look at the ground. If you’re a detective, then deduce. Why did you really come here? Was it the call about the stray? Or did someone tell you that you’d find a piece of the man you lost three years ago?" Harlow went still. "There was no call. I followed a trail. A loose thread on a case file that didn't exist." Eva stepped forward, pointing at the compass still in Harlow’s grip. The needle had stopped spinning. It was pointing directly at Harlow’s own chest. "The compass tracks supernatural rifts," Eva said softly. "It points to energy signatures that have left the physical plane and drifted back through the veil. If it’s pointing at you, Detective, it means you brought a piece of this place back with you years ago. Or maybe, you never really left it." Harlow looked down at her watch. The second hand was moving counter-clockwise, stuttering against the gears. The metal casing felt unnaturally cold against her wrist. She turned back to the tunnel. The jagged rift in the wall wasn't just a hole; it was a mirror. In the darkness of the passage, she saw not the abandoned brick of a London station, but the flicker of a police badge—her partner’s badge—lying in a pool of that same luminous oil. She took a step toward it, her military precision forgotten, replaced by a raw, gnawing need. The skepticism that had shielded her for eighteen years of service felt like paper in a hurricane. "Detective, don't," Eva warned, reaching out. "Everything in this market has a price. If you take that back, the city won’t be able to keep you." Harlow ignored her. She stepped over the threshold, the world of concrete and rules dissolving into a storm of shifting light. She didn't look back at the girl with the red hair. She only looked at the badge, the reflection of a life she had been told was over, waiting in the dark for her to claim it. The silence of the Veil took her, cold and absolute, and for the first time in three years, the detective didn't feel like a hunter. She felt like a victim, walking willingly into the mouth of a long-closed cage.
created_at"2026-05-10T11:49:53.858Z" 5/10/2026, 11:49:53 AM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency602
moderation_latency(null)
generation_time8403
tokens_prompt923
tokens_completion1798
native_tokens_prompt883
native_tokens_completion1595
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"
usage0.00261325
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"4nAAavCwA--I6dkPqMeLsQY"
is_byokfalse
latency602
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-1778413793-IcpSxqNm02cdLqVDPT0F"
session_id(null)
api_type"completions"
id"gen-1778413793-e8wKXcMmMi7KVDIKJCq3"
upstream_id"4nAAavCwA--I6dkPqMeLsQY"
total_cost0.00261325
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
totalTags12
adverbTagCount1
adverbTags
0"Eva said softly [softly]"
dialogueSentences24
tagDensity0.5
leniency1
rawRatio0.083
effectiveRatio0.083
74.58% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1180
totalAiIsmAdverbs6
found
0
adverb"nervously"
count1
1
adverb"slightly"
count1
2
adverb"slowly"
count1
3
adverb"really"
count2
4
adverb"softly"
count1
highlights
0"nervously"
1"slightly"
2"slowly"
3"really"
4"softly"
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)
36.44% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1180
totalAiIsms15
found
0
word"shattered"
count1
1
word"tension"
count1
2
word"dancing"
count1
3
word"weight"
count2
4
word"rhythmic"
count1
5
word"flickered"
count1
6
word"etched"
count1
7
word"chaotic"
count1
8
word"standard"
count1
9
word"pulse"
count1
10
word"silence"
count2
11
word"velvet"
count1
12
word"flicker"
count1
highlights
0"shattered"
1"tension"
2"dancing"
3"weight"
4"rhythmic"
5"flickered"
6"etched"
7"chaotic"
8"standard"
9"pulse"
10"silence"
11"velvet"
12"flicker"
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
narrationSentences70
matches
0"looked terrified"
81.63% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences70
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)
analyzedSentences82
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1175
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions10
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount841
uniqueNames9
maxNameDensity2.26
worstName"Harlow"
maxWindowNameDensity4
worstWindowName"Harlow"
discoveredNames
Camden1
Harlow19
Quinn1
London2
Underground1
Morris2
Eva9
North1
Veil1
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Eva"
4"Veil"
places
0"London"
globalScore0.37
windowScore0.333
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences53
glossingSentenceCount6
matches
0"looked like boys playing soldier, which d"
1"sigils that seemed to squirm under her gaze"
2"looked like a jagged tooth"
3"felt like a physical weight she carried"
4"felt like paper in a hurricane"
5"felt like a victim, walking willingly i"
29.79% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.702
wordCount1175
matches
0"not a body, but a smear of something luminous, like oil on water, coating th"
1"not the abandoned brick of a London station, but the flicker of a police badge"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences82
matches(empty)
78.63% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean39.17
std16.65
cv0.425
sampleLengths
066
125
251
319
431
552
634
727
834
926
1041
1151
1249
1321
1438
1575
1656
1752
185
1923
2068
2121
2224
2352
2425
2553
2633
2726
2858
2939
80.20% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences70
matches
0"was ionized"
1"was etched"
2"been forced"
3"were gone"
4"been told"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs131
matches
0"was sitting"
1"wasn't pointing"
2"were cutting"
3"was pointing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount1
flaggedSentences5
totalSentences82
ratio0.061
matches
0"They looked like boys playing soldier, which didn't help the hollow ache behind Harlow’s ribs—the phantom weight of DS Morris, who would have already been joking about the lack of signal."
1"She saw it then—not a body, but a smear of something luminous, like oil on water, coating the grime of the track bed."
2"He had been chasing a suspect into a place just like this—a place that didn't appear on any city map, a place where the logic of the world simply stopped."
3"The jagged rift in the wall wasn't just a hole; it was a mirror."
4"In the darkness of the passage, she saw not the abandoned brick of a London station, but the flicker of a police badge—her partner’s badge—lying in a pool of that same luminous oil."
82.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount853
adjectiveStacks3
stackExamples
0"thin, emerald-green patina"
1"chaotic, needle-thin sigils"
2"moving counter-clockwise, stuttering"
adverbCount31
adverbRatio0.03634232121922626
lyAdverbCount11
lyAdverbRatio0.012895662368112544
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences82
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences82
mean14.33
std8.91
cv0.622
sampleLengths
022
120
224
35
49
511
620
731
86
92
1011
1111
126
1314
1412
1515
1625
1714
1810
1910
2015
2112
2218
2316
2410
2516
2610
2723
283
295
306
3115
328
3312
3410
354
3615
375
3825
3921
4014
4124
4223
433
4430
4519
4620
4736
484
4910
40.24% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.25609756097560976
totalSentences82
uniqueOpeners21
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences69
matches(empty)
ratio0
86.67% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences69
matches
0"She kept her right hand"
1"She didn’t like the smell."
2"It wasn’t the usual rot"
3"They looked like boys playing"
4"He gestured toward the far"
5"She wore glasses so thick"
6"She stopped five feet away,"
7"She saw it then—not a"
8"It wasn't blood."
9"It lacked the iron scent."
10"She reached into her pocket,"
11"It was locked, trembling violently"
12"She remembered Morris."
13"He had been chasing a"
14"They were cutting through a"
15"She looked terrified, but there"
16"It was pointing directly at"
17"She turned back to the"
18"She took a step toward"
19"She stepped over the threshold,"
ratio0.333
0.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount64
totalSentences69
matches
0"The air in the abandoned"
1"Detective Harlow Quinn stepped over"
2"She kept her right hand"
3"She didn’t like the smell."
4"It wasn’t the usual rot"
5"This was ionized, sharp, like"
6"They looked like boys playing"
7"Harlow checked her worn leather"
8"The quiet was absolute, heavy"
9"He gestured toward the far"
10"Harlow exhaled, a thin puff"
11"The civilian was sitting on"
12"She wore glasses so thick"
13"Harlow said, reading the ID"
14"She stopped five feet away,"
15"Eva tucked a curl of"
16"Harlow tapped a gloved finger"
17"Eva’s gaze shifted to the"
18"Harlow stepped closer, ignoring the"
19"She saw it then—not a"
ratio0.928
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences69
matches(empty)
ratio0
84.94% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences37
technicalSentenceCount3
matches
0"They looked like boys playing soldier, which didn't help the hollow ache behind Harlow’s ribs—the phantom weight of DS Morris, who would have already been jokin…"
1"The face was etched with chaotic, needle-thin sigils that seemed to squirm under her gaze."
2"It was locked, trembling violently toward the tunnel wall where the masonry had been forced open, revealing a gap that looked like a jagged tooth."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags12
uselessAdditionCount7
matches
0"the officers called out, his voice cracking slightly"
1"Harlow knelt, her knees popping"
2"Harlow said, her voice dropping to a low, dangerous register,"
3"Eva whispered, her hands trembling as she clutched her satchel"
4"Harlow snapped, though her pulse hammered in her throat"
5"Eva said, her green eyes wide and intense"
6"Harlow demanded, her hand finally gripping the handle of her sidearm"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags10
fancyCount6
fancyTags
0"the officers called out (call out)"
1"Eva whispered (whisper)"
2"Harlow snapped (snap)"
3"Harlow demanded (demand)"
4"Eva hissed (hiss)"
5"Eva warned (warn)"
dialogueSentences24
tagDensity0.417
leniency0.833
rawRatio0.6
effectiveRatio0.5
60.2817%