Run: 2026-05-10-01KR8YEJE2NFVSY5WX0HVW7WKW

Run Details

Duration:
1m 16s
Cost:
$0.002739
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 like pulverized concrete and centuries of stalled static. Above, the city breathed, a muted rumble of traffic that sounded like a tectonic shift against the heavy, unnatural silence of the platforms. Harlow Quinn stepped off the rusted tracks, her polished boots crunching over decades of accumulated soot and discarded detritus. She adjusted the worn leather watch on her left wrist, her gaze sweeping the vaulted ceiling with military precision. Detective Harlow Quinn didn’t believe in ghosts, but she believed in the gravity of unexplained events. Her sharp jaw was set, a line of grit that had only hardened in the three years since DS Morris had vanished into a shadow that left no footprint. She tracked a smear of luminescence against the damp tiled wall, a flickering, sickly neon hue that seemed to pulse in time with her own heartbeat. She wasn’t supposed to be here, and the Metropolitan Police certainly didn’t have a permit for investigative sweeps of decommissioned subterranean transit tunnels. But this was where the breadcrumbs led, and Quinn had never once left a trail unfinished. When she turned the corner toward the old ticket kiosk, she stopped. The light from her tactical torch caught a flash of curly, vibrant red. Eva Kowalski was crouched near the center of the platform, her small frame dwarfed by the cavernous, vaulted architecture. Her round glasses were perched precariously on her nose as she pored over a pile of scattered, weathered pages. She looked up, the freckles across her nose standing out starkly against her pale skin, and tucked a stray curl of hair behind her left ear. Quinn didn't holster her light. She kept it steady, pinning the younger woman in the center of the beam. Detective, Eva said, her voice echoing too thinly against the ceramic tiles. You’re trespassing on a closed heritage site. Again. Quinn ignored the pleasantry, her boots clicking rhythmically until she stood directly over the woman. Her eyes, as dark and unflinching as basalt, tracked the contents of the worn leather satchel splayed open on the grime-streaked floor. The crime scene is being processed, Eva. Or it should be. Why are you beating the lab techs to the punch? It’s not a crime scene, it’s a disturbance, Eva countered, reaching into her satchel to retrieve a small brass compass. The casing was thick with a patina of verdigris, and the face was etched with swirling, aggressive sigils that looked entirely foreign to any police-issued equipment. Quinn watched the needle. It wasn't spinning toward magnetic north; it was trembling, vibrating with a frantic, stuttering energy that pointed directly at the wall behind the ticket booth. Quinn stepped closer, her hand instinctively hovering near the holster at her hip. The evidence does not support a simple disturbance, Kowalski. We have a localized collapse of structure, thermal variations that shouldn't exist in a climate-controlled tunnel, and a residue that doesn't show up on a mass spectrometer. Now, explain why you’re fiddling with a piece of junk brass while the rest of the unit is busy documenting the breach point. Eva stood, clutching the Veil Compass against her chest. She looked tired, the shadows under her eyes mirroring the darkness of the tunnels. You see a breach, Harlow. You see a mystery to be solved with a fingerprint kit and a chain of custody. You look at that wall and you see a structural failure. I see exactly what is there, Quinn said, her voice dropping to a low, authoritative register. I see a space where, according to geological surveys, there is nothing but solid earth. And yet, I can smell ozone and burnt copper. Someone was here. Someone left this, too. Quinn pointed a gloved finger at the floor near the station bench. A small, white object lay wedged between the rust-bloated tracks—a bone token, carved with symbols so intricate they made Quinn’s inner ear ache. Eva’s gaze flickered to the token, and her nervous habit returned; she tucked her hair behind her ear again, her fingers trembling. You shouldn't have seen that. If you interact with the token, you’re consenting to the market’s terms, Harlow. The Veil Market isn't governed by the laws you swore to uphold. It moves, it trades in things that don't have blood, and it doesn't give a damn about a detective’s badge. The market, Quinn repeated, the word tasting like lead on her tongue. The underground hub for the things the report omitted. My partner went missing during a case that looked exactly like this. No signs of struggle. No exit wounds. Just the air getting thin, and the smell of ozone. Quinn moved, moving with the fluid, calculated speed of a woman trained to dismantle threats before they could blink. She didn't grab the token; she knelt, pulling a sterile evidence bag from her tactical vest. Don't, Eva warned, her voice tight with genuine terror. If you bag that, you’re labeling a doorway as a piece of evidence. You’ll anchor it here. You’ll keep it open. I’m ending the danger, Quinn said, her voice devoid of doubt. As the edge of the evidence bag brushed the surface of the bone token, the station groaned. The sound wasn't the shifting of old tracks or the settling of iron beams; it was a rhythmic, guttural sound, like a tectonic throat clearing. The light in the station shifted, the dirty yellow of her torchlight warping into a bruised, ultraviolet spectrum. Quinn pulled back, her heart hammering against her ribs, but her hand remained steady. She looked at the wall again, and for a fleeting second, the tiles dissolved. She saw through them—not into the earth, but into a bustling, impossible thoroughfare of silhouettes and flickering, distorted geometries. She saw shades, things that weren't quite human, trading items that pulsed with their own trapped, dying light. And then, she saw him. DS Morris. He was standing in the periphery of that shifting, impossible marketplace, his coat hanging off his frame, his face turned toward the divide between their worlds. He looked at her, his eyes hollowed by a knowledge that no human was meant to possess, and he shook his head once—a sharp, final negation. The vision flickered out as the station plunged into total, suffocating darkness. The only light remaining came from the Veil Compass, which had begun to glow with a soft, warm amber light. Quinn gasped, her breath hitching as she scrambled backward, her tactical flashlight dropping to the floor. The bone token was gone. The space where it had rested was now just bare, wet gravel. Eva reached out, finding Quinn’s arm in the dark and pulling her toward the exit stairs. We have to go. The market is moving, and if you're still standing in the footprint when the moon shifts, you aren't going to be part of the investigation anymore. You’re going to be the exhibit. Quinn allowed herself to be pulled, her boots climbing the stairs with a leaden, reluctant pace. She took one final look back at the platform. The tunnel was silent again, a graveyard of Victorian engineering, mundane and dead. She reached her hand to her throat, feeling the pulse beneath her skin. She had eighteen years of service, thousands of cases cleared, and a house filled with trophies of justice. But as she stepped out into the biting night air of Camden, she realized the only case that mattered was the one that didn't exist. She touched the leather watch on her wrist, her thumb tracing the worn seam where the strap met the metal. She hadn't just seen a ghost. She had seen the architecture of her own erasure, and for the first time in her life, the detective didn't want the truth. She wanted to run.
created_at"2026-05-10T12:40:30.921Z" 5/10/2026, 12:40:30 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency466
moderation_latency(null)
generation_time75482
tokens_prompt923
tokens_completion1990
native_tokens_prompt883
native_tokens_completion1679
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"
usage0.00273925
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"v3wAauz8Bq2fz7IP1JbRoAQ"
is_byokfalse
latency466
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-1778416830-jtYJiUWvQB4w8odlCk2T"
session_id(null)
api_type"completions"
id"gen-1778416830-sHIKbiGKU67lGwp2ltRx"
upstream_id"v3wAauz8Bq2fz7IP1JbRoAQ"
total_cost0.00273925
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
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1307
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
38.79% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1307
totalAiIsms16
found
0
word"silence"
count1
1
word"pulse"
count2
2
word"echoing"
count1
3
word"processed"
count1
4
word"etched"
count1
5
word"magnetic"
count1
6
word"structure"
count1
7
word"intricate"
count1
8
word"flickered"
count2
9
word"calculated"
count1
10
word"rhythmic"
count1
11
word"fleeting"
count1
12
word"pulsed"
count1
13
word"tracing"
count1
highlights
0"silence"
1"pulse"
2"echoing"
3"processed"
4"etched"
5"magnetic"
6"structure"
7"intricate"
8"flickered"
9"calculated"
10"rhythmic"
11"fleeting"
12"pulsed"
13"tracing"
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
narrationSentences92
matches(empty)
3.11% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount8
hedgeCount1
narrationSentences92
filterMatches
0"watch"
1"see"
2"look see"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences92
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen29
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1304
ratio0
matches(empty)
53.57% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions2
matches
0"Detective, Eva said, her voice echoing too thinly against the ceramic tiles."
1"I see exactly what is there, Quinn said, her voice dropping to a low, authoritative register."
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions53
wordCount1304
uniqueNames14
maxNameDensity1.3
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Camden2
Tube1
Quinn17
Harlow4
Morris2
Metropolitan1
Police1
Kowalski2
Eva8
Veil3
Compass2
Market1
Victorian1
You8
persons
0"Quinn"
1"Harlow"
2"Morris"
3"Police"
4"Kowalski"
5"Eva"
6"You"
places
0"Veil"
1"Market"
globalScore0.848
windowScore0.833
16.67% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences75
glossingSentenceCount4
matches
0"tasted like pulverized concrete and centu"
1"sounded like a tectonic shift against the"
2"hue that seemed to pulse in time with her own heartbeat"
3"quite human, trading items that pulsed with their own trapped, dying light"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.767
wordCount1304
matches
0"not into the earth, but into a bustling, impossible thoroughfare of silhouettes"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences92
matches
0"bag that, you’re"
85.09% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean43.47
std19.47
cv0.448
sampleLengths
078
145
265
325
464
519
620
737
821
946
1029
1172
1255
1347
1435
1572
1650
1735
1830
1911
2060
2165
225
2354
2432
2533
2652
2738
2876
2933
86.19% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences92
matches
0"was crouched"
1"were perched"
2"was etched"
3"was meant"
4"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs217
matches
0"wasn't spinning"
1"was standing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount4
flaggedSentences7
totalSentences92
ratio0.076
matches
0"It wasn't spinning toward magnetic north; it was trembling, vibrating with a frantic, stuttering energy that pointed directly at the wall behind the ticket booth."
1"A small, white object lay wedged between the rust-bloated tracks—a bone token, carved with symbols so intricate they made Quinn’s inner ear ache."
2"Eva’s gaze flickered to the token, and her nervous habit returned; she tucked her hair behind her ear again, her fingers trembling."
3"She didn't grab the token; she knelt, pulling a sterile evidence bag from her tactical vest."
4"The sound wasn't the shifting of old tracks or the settling of iron beams; it was a rhythmic, guttural sound, like a tectonic throat clearing."
5"She saw through them—not into the earth, but into a bustling, impossible thoroughfare of silhouettes and flickering, distorted geometries."
6"He looked at her, his eyes hollowed by a knowledge that no human was meant to possess, and he shook his head once—a sharp, final negation."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1311
adjectiveStacks0
stackExamples(empty)
adverbCount35
adverbRatio0.02669717772692601
lyAdverbCount16
lyAdverbRatio0.012204424103737605
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences92
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences92
mean14.17
std7.2
cv0.508
sampleLengths
017
123
219
319
416
529
626
723
816
912
1013
1119
1219
1326
145
1514
1612
177
181
1915
2022
217
224
2310
2420
2526
264
2725
2813
299
3027
3123
329
3314
345
3516
3611
3716
3815
399
403
414
4212
4323
4422
455
4613
4712
4820
4912
32.97% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats18
diversityRatio0.31521739130434784
totalSentences92
uniqueOpeners29
37.04% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences90
matches
0"Just the air getting thin,"
ratio0.011
46.67% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount39
totalSentences90
matches
0"She adjusted the worn leather"
1"Her sharp jaw was set,"
2"She tracked a smear of"
3"She wasn’t supposed to be"
4"Her round glasses were perched"
5"She looked up, the freckles"
6"She kept it steady, pinning"
7"You’re trespassing on a closed"
8"Her eyes, as dark and"
9"It’s not a crime scene,"
10"It wasn't spinning toward magnetic"
11"We have a localized collapse"
12"She looked tired, the shadows"
13"You see a breach, Harlow."
14"You see a mystery to"
15"You look at that wall"
16"I see exactly what is"
17"I see a space where,"
18"You shouldn't have seen that."
19"It moves, it trades in"
ratio0.433
48.89% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount74
totalSentences90
matches
0"The air in the abandoned"
1"Harlow Quinn stepped off the"
2"She adjusted the worn leather"
3"Detective Harlow Quinn didn’t believe"
4"Her sharp jaw was set,"
5"She tracked a smear of"
6"She wasn’t supposed to be"
7"The light from her tactical"
8"Eva Kowalski was crouched near"
9"Her round glasses were perched"
10"She looked up, the freckles"
11"Quinn didn't holster her light."
12"She kept it steady, pinning"
13"Detective, Eva said, her voice"
14"You’re trespassing on a closed"
15"Quinn ignored the pleasantry, her"
16"Her eyes, as dark and"
17"The crime scene is being"
18"It’s not a crime scene,"
19"The casing was thick with"
ratio0.822
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences90
matches
0"Now, explain why you’re fiddling"
1"If you interact with the"
2"If you bag that, you’re"
ratio0.033
77.92% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences66
technicalSentenceCount6
matches
0"She tracked a smear of luminescence against the damp tiled wall, a flickering, sickly neon hue that seemed to pulse in time with her own heartbeat."
1"The casing was thick with a patina of verdigris, and the face was etched with swirling, aggressive sigils that looked entirely foreign to any police-issued equi…"
2"We have a localized collapse of structure, thermal variations that shouldn't exist in a climate-controlled tunnel, and a residue that doesn't show up on a mass …"
3"She saw shades, things that weren't quite human, trading items that pulsed with their own trapped, dying light."
4"He was standing in the periphery of that shifting, impossible marketplace, his coat hanging off his frame, his face turned toward the divide between their world…"
5"Quinn gasped, her breath hitching as she scrambled backward, her tactical flashlight dropping to the floor."
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
77.0081%