Run: 2026-05-10-01KR8ZN3RCCCH64ZV5R48QZ9P1

Run Details

Duration:
8.5s
Cost:
$0.002664
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 a dozen feet below the pavement of Camden tasted of ozone and ancient, stagnant rot. It was a thick, metallic tang that clung to the back of Detective Harlow Quinn’s throat, a familiar scent she had learned to identify in the aftermath of her partner’s disappearance three years ago. She stepped off the rusted service ladder and onto the grit-covered tiling of the abandoned Tube station, her boots clicking with a hollow, rhythmic military cadence against the cracked Victorian porcelain. Ahead, the darkness of the terminal was bled of its shadows by the harsh, scouring sweep of police floodlights. Taped-off perimeters crisscrossed the platform, marking a crime scene that defied the physics of a standard homicide. Harlow didn't need to look at the worn leather watch on her left wrist to know she was burning daylight. Her sharp jaw was set, skin tightened over bone, as she surveyed the scene. In the center of the derelict track bed—a space that, according to the local transit charts, shouldn't have been accessible via the tunnels leading to the Veil Market—lay a body. Or at least, what remained of one. Eva Kowalski stood near the yellow tape, her small frame dwarfed by the heavy, tactical gear of the responding officers. She looked uncharacteristically gaunt, her red curls wilder than usual, her fingers incessantly tucking a strand of hair behind her left ear. She wore her usual round glasses, though they sat crooked on the bridge of her nose, refracting the harsh work lights into fractured halos. Harlow bypassed the forensics team, her presence commanding enough that the junior constables parted like water before a bow. She stopped a few feet from Eva. What brings the museum’s star researcher to a murder scene, Eva? Harlow asked, her voice clipped and devoid of warmth. Eva jumped, her hands instinctively clutching the worn leather satchel slung across her chest. Her green eyes flickered with a raw, jagged edge of panic. Harlow, I—I was just checking the archives. I felt a shift in the local ley lines. A tremor in the Veil. A tremor, Harlow repeated, stepping closer. The detective’s gaze swept over the body. The victim was slumped against the third rail, their clothes scorched in concentric circles that seemed to vibrate even in the stagnant air. That’s a convenient piece of mysticism to hide a homicide. It isn’t murder, Harlow, Eva whispered, leaning forward, her voice a desperate rasp. Look at the patterns on the skin. Those aren't burns from an electrical surge. They’re necrotic pathways. Something tore its way through here, and it didn't use a physical gate. It used a rip in the local reality. Harlow knelt beside the body, ignoring the warning shouts of the lead crime scene technician. She pulled a pair of nitrile gloves from her pocket and snapped them on, her movements precise. She studied the scorch marks. To the untrained eye, they were static, but as she watched, the soot shifted, crawling across the skin like iron filings drawn to a magnet. She reached out, hovering her hand inches from the victim’s chest. The air was frigid, leaching the warmth from her fingers. I’ve seen things like this before, Harlow murmured, the memory of DS Morris’s final, unexplained report surfacing like a cold stone in her gut. She ignored the way her heart hammered against her ribs. She reached into her inner coat pocket and pulled out a small brass compass. The Veil Compass. Its casing, slick with a patina of verdigris, felt cold. As she held it steady, the needle spun wildly, then locked onto a point directly behind the victim’s head, where the shadow of a subway arch merged with something darker. Eva, tell me what you’re really doing here, Harlow said, her eyes locked on the trembling needle. You didn’t just follow a ley line surge. You were looking for this, weren't you? Eva hesitated, her hands gripping the straps of her satchel so hard her knuckles turned white. It’s an artifact, Harlow. It was stolen from the archives last week. A Shade artisan crafted it to track portals, but it’s been tampered with. If the signal doesn't get suppressed, it will draw *things* into this station that aren't interested in the law or the living. Harlow stood, her silhouette crisp against the dim light. She tucked the compass back into her pocket, hearing the faint hum of the etched sigils on its face. She scanned the platform again, noting the way the soot on the walls slanted at impossible angles, the shadows refusing to align with the floodlights above. Everything about this scene was wrong. The blood wasn't drying; it was weeping upward, droplets hovering an inch off the floor. The police report says this man was a drifter, an accident involving the old power grid, Harlow said, her voice dropping to a low, dangerous frequency. But there’s no forensic evidence of a struggle, no DNA that doesn't belong to the victim, and the transit authorities swear this line has been sealed for sixty years. She turned to face Eva, her brown eyes piercing. You and your friends—you’ve been poking at the seams of this city for months. I’ve been tracking the influx of contraband out of the Market, every alchemical spill, every missing person. You think I don’t see it? You think I don't know the pattern? I’m trying to keep the damage contained, Eva pleaded, her voice trembling. If you bring the light of the department into this, you’ll trigger the very breach you’re trying to prevent. The Veil is fluid, Harlow. It doesn't follow your rule of law. It responds to intent. By treating this as a crime scene, you’re pinning the energy down, forcing it to manifest. Harlow didn't blink. She knew the cost of belief. She had spent years trying to rationalize the death of her partner, trying to fit the impossible into the narrow, measurable boxes of a police report. But standing here, in the dark, watching the shadows bleed across the floor, she realized that rationality was just a shroud for the things humanity was too afraid to acknowledge. She looked at the victim one last time. There was a faint shimmering in the air near the man’s clenched fist. A bone token. The entry currency for the Veil Market. She reached out and snatched the token before the forensic tech could see it, sliding it into her own pocket. The report will say it’s a localized arc fault, Harlow said, her voice devoid of emotion. I’ll clear the scene. I’ll order the tech team to abandon the site, citing structural instability and asbestos risks. Eva exhaled, a long, shuddering breath of relief. Thank you. Don't thank me, Harlow snapped, taking a step toward her. I’m not doing this for you. I’m doing it because if the department finds out what’s actually buried under the Tube, they’ll level this entire district, and they still won't catch the thing that killed my partner. Harlow turned and walked toward the ladder, her boots heavy on the concrete. She didn't look back at the body, or at the girl who lived among the ghosts. She reached the first step and paused, the salt-and-pepper hair at her nape prickling as the compass in her pocket grew warm, vibrating in tune with something vast and hungry just beyond the veil of reality. She climbed, heading back toward the surface, toward the world that believed itself safe, leaving the darkness to its own devices—for now.
created_at"2026-05-10T13:01:33.846Z" 5/10/2026, 1:01:33 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency482
moderation_latency(null)
generation_time8375
tokens_prompt923
tokens_completion1909
native_tokens_prompt883
native_tokens_completion1629
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"
usage0.00266425
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"roEAarOLA4eGz7IPp5r02QY"
is_byokfalse
latency482
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-1778418093-ln7T1YtN6BhS6wPcAZv6"
session_id(null)
api_type"completions"
id"gen-1778418093-ho3veNPVFN5HuWvrMusP"
upstream_id"roEAarOLA4eGz7IPp5r02QY"
total_cost0.00266425
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
92.05% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1258
totalAiIsmAdverbs2
found
0
adverb"really"
count1
1
adverb"very"
count1
highlights
0"really"
1"very"
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)
56.28% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1258
totalAiIsms11
found
0
word"familiar"
count1
1
word"aftermath"
count1
2
word"rhythmic"
count1
3
word"porcelain"
count1
4
word"standard"
count1
5
word"fractured"
count1
6
word"warmth"
count2
7
word"flickered"
count1
8
word"etched"
count1
9
word"scanned"
count1
highlights
0"familiar"
1"aftermath"
2"rhythmic"
3"porcelain"
4"standard"
5"fractured"
6"warmth"
7"flickered"
8"etched"
9"scanned"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"knuckles turned white"
count1
1
label"clenched jaw/fists"
count1
highlights
0"knuckles turned white"
1"clenched fist"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences90
matches(empty)
79.37% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount1
narrationSentences90
filterMatches
0"watch"
1"think"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences90
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1254
ratio0.001
matches
0"things"
93.75% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions1
matches
0"The police report says this man was a drifter, an accident involving the old power grid, Harlow said, her voice dropping…"
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions51
wordCount1254
uniqueNames14
maxNameDensity1.44
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Camden1
Detective1
Harlow18
Quinn1
Tube2
Victorian1
Veil5
Market3
Kowalski1
Eva10
Morris1
Compass1
Shade1
You5
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Market"
4"Kowalski"
5"Eva"
6"Morris"
7"Compass"
8"You"
places
0"Veil"
globalScore0.782
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences79
glossingSentenceCount1
matches
0"circles that seemed to vibrate even in the stagnant air"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1254
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences90
matches
0"realized that rationality"
86.37% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs29
mean43.24
std19.56
cv0.452
sampleLengths
082
136
264
37
466
526
620
746
846
951
1062
1121
1261
1330
1432
1563
1654
1721
1855
1953
2063
2165
2231
2320
2435
2510
2647
2765
2822
81.87% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences90
matches
0"was bled"
1"was slumped"
2"was stolen"
3"been tampered"
4"get suppressed"
5"been sealed"
49.17% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount5
totalVerbs221
matches
0"was burning"
1"was just checking"
2"were looking"
3"was weeping"
4"wasn't drying"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount1
flaggedSentences5
totalSentences90
ratio0.056
matches
0"In the center of the derelict track bed—a space that, according to the local transit charts, shouldn't have been accessible via the tunnels leading to the Veil Market—lay a body."
1"Harlow, I—I was just checking the archives."
2"The blood wasn't drying; it was weeping upward, droplets hovering an inch off the floor."
3"You and your friends—you’ve been poking at the seams of this city for months."
4"She climbed, heading back toward the surface, toward the world that believed itself safe, leaving the darkness to its own devices—for now."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1262
adjectiveStacks0
stackExamples(empty)
adverbCount24
adverbRatio0.01901743264659271
lyAdverbCount7
lyAdverbRatio0.005546751188589541
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences90
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences90
mean13.93
std8.25
cv0.592
sampleLengths
017
134
231
319
417
520
614
730
87
920
1022
1124
1219
137
1411
159
1614
1711
187
199
205
216
227
2323
2410
2513
267
277
283
2913
308
3115
3217
335
3425
3511
3610
3724
3810
3914
403
4110
4230
4317
448
457
4616
474
488
4913
35.93% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats16
diversityRatio0.32222222222222224
totalSentences90
uniqueOpeners29
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences89
matches(empty)
ratio0
26.74% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount43
totalSentences89
matches
0"It was a thick, metallic"
1"She stepped off the rusted"
2"Her sharp jaw was set,"
3"She looked uncharacteristically gaunt, her"
4"She wore her usual round"
5"She stopped a few feet"
6"Her green eyes flickered with"
7"I felt a shift in"
8"It isn’t murder, Harlow, Eva"
9"They’re necrotic pathways."
10"It used a rip in"
11"She pulled a pair of"
12"She studied the scorch marks."
13"She reached out, hovering her"
14"I’ve seen things like this"
15"She ignored the way her"
16"She reached into her inner"
17"Its casing, slick with a"
18"You didn’t just follow a"
19"You were looking for this,"
ratio0.483
44.27% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount74
totalSentences89
matches
0"The air a dozen feet"
1"It was a thick, metallic"
2"She stepped off the rusted"
3"Harlow didn't need to look"
4"Her sharp jaw was set,"
5"Eva Kowalski stood near the"
6"She looked uncharacteristically gaunt, her"
7"She wore her usual round"
8"Harlow bypassed the forensics team,"
9"She stopped a few feet"
10"Harlow asked, her voice clipped"
11"Eva jumped, her hands instinctively"
12"Her green eyes flickered with"
13"Harlow, I—I was just checking"
14"I felt a shift in"
15"A tremor in the Veil."
16"A tremor, Harlow repeated, stepping"
17"The detective’s gaze swept over"
18"The victim was slumped against"
19"That’s a convenient piece of"
ratio0.831
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences89
matches
0"To the untrained eye, they"
1"If the signal doesn't get"
2"If you bring the light"
ratio0.034
38.96% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences55
technicalSentenceCount8
matches
0"It was a thick, metallic tang that clung to the back of Detective Harlow Quinn’s throat, a familiar scent she had learned to identify in the aftermath of her pa…"
1"She stepped off the rusted service ladder and onto the grit-covered tiling of the abandoned Tube station, her boots clicking with a hollow, rhythmic military ca…"
2"Taped-off perimeters crisscrossed the platform, marking a crime scene that defied the physics of a standard homicide."
3"In the center of the derelict track bed—a space that, according to the local transit charts, shouldn't have been accessible via the tunnels leading to the Veil …"
4"The victim was slumped against the third rail, their clothes scorched in concentric circles that seemed to vibrate even in the stagnant air."
5"The police report says this man was a drifter, an accident involving the old power grid, Harlow said, her voice dropping to a low, dangerous frequency."
6"She had spent years trying to rationalize the death of her partner, trying to fit the impossible into the narrow, measurable boxes of a police report."
7"I’m doing it because if the department finds out what’s actually buried under the Tube, they’ll level this entire district, and they still won't catch the thing…"
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
77.2697%