Run: 2026-02-17-01KHMQXXGW3YJYSEKT4TSVAPVW

Run Details

Duration:
56.4s
Cost:
$0.046802
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 damp air beneath Camden tasted of copper and stagnant water, a flavor that coated the back of Harlow Quinn’s throat and refused to wash away. She adjusted the beam of her torch, the heavy Maglite feeling like a reassuring anchor in her grip, and swept the light across the tiled curve of the tunnel wall. Above ground, the London rush hour was likely a cacophony of diesel engines and shouting tourists, but down here in the exclusion zone, the silence was absolute. It was a heavy, suffocating quiet that pressed against her eardrums. Harlow checked the worn leather watch on her left wrist. 0:200 hours. She had followed the breadcrumbs of a missing persons report—a low-level fence named Silas Vane—straight to a boarded-up access point of the Northern Line. The padlock had been dissolved by acid, not cut. That was the first irregularity. She stepped over a pile of refuse that looked suspiciously like the remnants of a wooden stall. This wasn’t just an abandoned maintenance shaft; the space opened up into a platform that shouldn’t have existed on any city map. The air grew colder, biting through her coat, smelling of ozone and something sweet, like rotting lilies. "Police!" Harlow shouted, her voice cracking the silence. "Come out with your hands visible." Nothing but the drip of condensation. She advanced with the military precision that had defined her eighteen years on the force. Her boots made no sound on the grime-slicked concrete. She found Silas Vane twenty yards down the platform, slumped against a ticket booth that advertised prices from four decades ago. At a glance, it looked like an overdose. Vane was sitting up, head lolled back, eyes open. But as Harlow crouched, her knees popping slightly, she saw the impossibility of it. There was no rigor. There was no bloat. Vane looked like a deflated balloon, his skin grey and papery, draped loosely over a skeletal frame that seemed too small for the clothes. He hadn't been dead for days; the coffee cup next to his boot was still warm. "Don't touch him," a voice echoed from the shadows of a ventilation alcove. Harlow spun, her sidearm clearing its holster in a smooth, practiced motion. "Hands. Now." A figure emerged slowly, hands raised to shoulder height. Even in the harsh glare of the flashlight, the intruder looked painfully out of place. Curly red hair caught the light, framing a pale, freckled face dominated by round glasses. She wore a heavy coat and a worn leather satchel that looked ready to burst at the seams. "Eva Kowalski," Harlow said, her tone flat. She didn't lower the weapon. "I should have known. Wherever there's a circus, the clowns aren't far behind." Eva flinched but didn't retreat. She nervously tucked a stray curl of hair behind her left ear—a tick Harlow had seen a dozen times during previous interrogations. "Detective Quinn. I didn't kill him. I found him like this five minutes ago." "Trespassing at a crime scene is a good start to a conviction, Eva. Step away from the body." Eva hesitated, her green eyes darting between Harlow and the corpse. "It’s not a crime scene, Detective. It’s a breach. If you touch him, the residual entropy might..." She trailed off, seeing the tightening in Harlow’s sharp jaw. "Just don't touch the skin." Harlow holstered her weapon but kept her hand near her belt. She turned her attention back to Vane. The scene didn't add up. There were no drag marks, no blood spatter, no sign of a struggle. It was as if the man had simply sat down and evaporated from the inside out. "Talk," Harlow commanded, leaning in to inspect a strange scorch mark on the floor near Vane's heel. "And it better be good. Why are you in a condemned Tube station in the middle of the night?" "It's the Veil Market," Eva said, her voice trembling slightly but gaining strength as she slipped into academic mode. She gestured vaguely at the debris around them. "It moves every full moon. They sell... things. Things that aren't regulated." "Drugs," Harlow corrected. "No. Not exactly." Eva reached into her pocket. Harlow tensed, but Eva produced a small, round object. It was a brass compass, the casing thick with a patina of verdigris, the face etched not with cardinal directions, but with angular, shifting sigils. "I came looking for this. The Veil Compass. Silas was supposed to sell it to a private collector. I wanted to intercept it for the Archives." Harlow snatched the object from Eva’s hand. It was cold, heavier than it looked. The needle inside didn't float; it vibrated, snapping erratically. "Toy compasses. Is that the defense? You're here for trinkets?" "It points to energy rifts," Eva insisted. "Look at the needle, Detective. It’s not pointing North. It’s pointing at *him*." Harlow looked down. The needle was indeed locked onto the corpse, quivering like a darkly magnetized moth. She frowned, the headache that had started the moment she descended the stairs engaging a new gear. She thought of Morris. Three years ago. A warehouse in Shoreditch. He had looked similar—drained, empty, the physics of his death defying the coroner’s report. The department called it a gas leak, a chemical reaction. Harlow knew better, even if she didn't possess the vocabulary to explain it. She looked at Eva, really looked at her. The young woman wasn't acting like a criminal caught in the act; she was acting like a bomb disposal technician watching someone play with a wire. "Explain the body, Miss Kowalski," Harlow said, her voice dropping an octave. "scientifically." "I can't explain it scientifically," Eva said, hugging her satchel to her chest. "But mythologically... the Market has an entry requirement. A 'bone token.' Usually, it’s a literal token carved from animal bone. A currency of passage." "And?" "And if you try to enter without paying, or if you try to steal from a Shade artisan..." Eva nodded toward the grey husk of Silas Vane. "The Market takes the toll directly. It harvests the calcium right out of your body. Instantaneously." Harlow scoffed, a sharp, cynical sound. "Calcification takes years. Or a vat of acid. There’s no acid here." "It's not acid. It's an exchange." Harlow turned back to the corpse. She pulled a pen from her pocket and used it to lift the edge of Vane’s sleeve. Beneath the hem, the skin wasn't just grey; it was dusted with a fine white powder. She brought the light closer. The powder coated the floor in a perfect circle around where he sat. It wasn’t dust. It was meal. Harlow stood up, her heart hammering against her ribs with a rhythm she hadn't felt since Shoreditch. The concrete details she relied on—fingerprints, motive, ballistics—were dissolving. But the pattern was there. The circle of white dust. The vibration of the brass compass in her hand. The way the shadows in the station seemed to stretch toward the body, unnatural and hungry. She looked at the compass again. The needle had shifted. It was no longer pointing at Vane. It was pointing behind Harlow. She spun around, beam slicing the dark. The empty tunnel mouth yawned back at her. "Eva," Harlow said, her voice void of its usual mockery. "You said this compass points to rifts?" "Yes. Portals. Rents in the veil." "It just moved." Eva’s face drained of color, her freckles standing out like islands on a map. "Moved where?" "Behind us. Toward the exit." A low sound began to hum through the tracks—not the mechanical rumble of a distant train, but a groan of metal twisting under immense pressure. The air pressure dropped so sharply Harlow’s ears popped. "The Market," Eva whispered, backing up until she bumped into Harlow’s shoulder. "It’s not abandoned, Detective. It was just dormant. We’re not alone down here." Harlow Quinn didn't believe in ghosts. She didn't believe in magic. She believed in cause and effect. But as the temperature plummeted and frost began to spiderweb across the lens of her flashlight, she realized the cause was something she couldn't arrest, and the effect was likely going to be lethal. She shoved the compass into her pocket and grabbed Eva by the arm of her coat. "We're leaving. Now." "We can't just leave him," Eva protested weakly, though her feet were already moving. "He's dust, Eva," Harlow snapped, dragging the younger woman toward the spiral stairs. "And if we don't move, we're going to remain part of the inventory." As they ran, the shadows behind them seemed to detach from the walls, elongated and fluid, sliding over the "bone token" that used to be Silas Vane, consuming what little was left. Harlow didn't look back. She just focused on the steps, the heavy grip of her pistol, and the impossible, vibrating weight of the compass in her pocket. The evidence didn't add up, but for the first time in three years, she had a lead on the impossible.
created_at"2026-02-17T02:48:30.99707+00:00" 2/17/2026, 2:48:30 AM
model"google/gemini-3-pro-preview-20251117"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency9085
moderation_latency(null)
generation_time56313
tokens_prompt923
tokens_completion2982
native_tokens_prompt883
native_tokens_completion3753
native_tokens_completion_images0
native_tokens_reasoning1695
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
usage0.046802
router(null)
provider_responses
0
status200
is_byokfalse
latency9085
endpoint_id"c9badacd-c552-40a2-86e6-4b4e8dd4318f"
provider_name"Google AI Studio"
model_permaslug"google/gemini-3-pro-preview-20251117"
api_type"completions"
id"gen-1771296454-KpPmZyOb9EidYoKEjLRB"
upstream_id(null)
total_cost0.046802
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
82.0513% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags13
adverbTagCount2
adverbTags
0"Eva said, her voice trembling slightly but gaining strength as she slipped into academic mode [slightly]"
1"Eva protested weakly, though her feet were already moving [weakly, already]"
53.5193% AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount1506
totalAiIsmAdverbs7
found
0
adverb"loosely"
count1
1
adverb"nervously"
count1
2
adverb"sharply"
count1
3
adverb"slightly"
count2
4
adverb"slowly"
count1
5
adverb"really"
count1
highlights
0"loosely"
1"nervously"
2"sharply"
3"slightly"
4"slowly"
5"really"
100.0000% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.0000% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
73.4396% AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount1506
totalAiIsms4
found
0
word"cacophony"
count1
1
word"weight"
count1
2
word"echoed"
count1
3
word"etched"
count1
highlights
0"cacophony"
1"weight"
2"echoed"
3"etched"
100.0000% Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.0000% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences102
matches(empty)
100.0000% Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount1
hedgeCount5
narrationSentences102
filterMatches
0"watch"
hedgeMatches
0"seemed to"
1"began to"
100.0000% Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount0
totalSentences127
matches(empty)
100.0000% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs48
mean31.17
std22.71
cv0.729
sampleLengths
094
150
256
314
46
545
631
748
813
914
1057
1125
1241
1318
1443
1552
1636
1739
183
1968
2033
2120
2282
2334
2413
2537
261
2743
2818
296
3057
316
3261
3317
345
3515
3617
376
383
3916
405
4134
4225
4351
4419
4514
4626
4779
100.0000% Passive voice overuse
Target: ≤5% passive sentences
passiveCount2
totalSentences102
matches
0"been dissolved"
1"was dusted"
100.0000% Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount4
totalVerbs197
matches
0"was sitting"
1"was acting"
2"were dissolving"
3"was pointing"
94.0000% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1178
adjectiveStacks1
stackExamples
0"twisting under immense pressure."
adverbCount34
adverbRatio0.028862478777589132
lyAdverbCount17
lyAdverbRatio0.014431239388794566
100.0000% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences127
echoCount0
echoWords(empty)
100.0000% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences127
mean11.78
std7.39
cv0.627
sampleLengths
026
130
227
311
410
52
624
79
85
917
1022
1117
128
136
146
1515
169
1721
188
199
2014
214
224
2324
2416
2513
2612
272
289
2915
3015
3118
327
335
3413
355
3622
3714
3818
3911
4027
415
4211
437
445
4513
4616
4717
4819
4919
49.8688% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3464566929133858
totalSentences127
uniqueOpeners44
0.0000% Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags13
fancyCount11
fancyTags
0"shouted (shout)"
1"a voice echoed from the shadows of a ventilation alcove (echo)"
2"Harlow commanded, leaning in to inspect a strange scorch mark on the floor near Vane's heel (command, lean in inspect)"
3"Eva said, her voice trembling slightly but gaining strength as she slipped into academic mode (say, tremble slightly gain slip)"
4"Harlow corrected (correct)"
5"Eva insisted (insist)"
6"Harlow said, her voice dropping an octave (say, drop)"
7"Eva said, hugging her satchel to her chest (say, hug)"
8"Eva whispered, backing up until she bumped into Harlow’s shoulder (whisper, back up bump)"
9"Eva protested weakly, though her feet were already moving (protest weakly, already move)"
10"Harlow snapped, dragging the younger woman toward the spiral stairs (snap, drag)"
85.4635%