Run: 2026-02-17-01KHMR1EDRV1HHJC3PWG1MGG9K

Run Details

Duration:
9.0s
Cost:
$0.004652
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 old Tube station smelled of damp earth and stale oil. Detective Harlow Quinn stepped onto the platform, her boots echoing on cracked tiles. Above, rusted girders crisscrossed the vaulted ceiling, barely visible in the gloom. The air hung thick and cold, carrying a faint, cloying sweetness. “Quinn, you made it.” Eva Kowalski, her round glasses perched on her nose, pushed a strand of curly red hair behind her left ear. She stood by a yellowed crime scene tape, a worn leather satchel bulging with books slung over her shoulder. Eva, at 5’4”, always seemed to be looking up at Quinn, even when their gazes met level. Quinn, 5’9” with closely cropped salt-and-pepper hair, gave a curt nod. Her sharp jaw was set. “What’ve we got?” Her worn leather watch on her left wrist showed a quarter past three. She hadn’t slept much. “Another one.” Eva gestured vaguely towards the center of the platform. “Same M.O. as the others.” Quinn scanned the scene. A makeshift stall, overturned and splintered, lay near the tracks. It looked like it had been selling various trinkets, now scattered amongst the debris. The platforms themselves were carved not with the usual station names, but with crude, unfamiliar symbols that glowed faintly. A faint hum vibrated beneath her feet. “Same M.O.,” Quinn repeated, her voice flat. “Meaning what, exactly? A magically induced heart attack? Another spontaneous combustion?” Eva sighed. “The official report will say accidental death due to structural collapse. They’ll blame the old tunnel system. But you and I both know…” She trailed off, glancing around as if the shadows themselves might be listening. Quinn ignored the dramatic pause. eighteen years of distinguished service had taught her to trust her gut, not whispered conspiracies. She walked towards the overturned stall, her gaze sweeping over the scene with military precision. The platform was scattered with an array of objects: a few strange bone tokens, vials of iridescent liquid, a small brass compass with a patina of verdigris whose face was etched with protective sigils. The Veil Compass. One of the forbidden items from the Veil Market. She squatted, examining the compass. The needle, instead of pointing north, quivered erratically, then settled, pointing towards a section of the tunnel where the light seemed to warp, like heat shimmering above asphalt. A rift. “This market,” Quinn said, picking up a shard of what looked like hardened moonlight. “You’re sure it’s what we thought?” “The Veil Market,” Eva affirmed. “Every full moon, it moves. This month, it’s an abandoned Tube station beneath Camden. Or rather, it *was* an abandoned Tube station. Until this.” She gestured to the surrounding devastation. The victim lay slumped against the far wall, obscured by a canvas tarp. Quinn needed to see him. “Description of the deceased?” “Male, early twenties. Vendor, by the looks of it. No ID. Cause of death still pending, but… the paramedics seemed confused.” Eva hesitated. “Heart failure was mentioned, but they couldn’t explain the… lack of struggle.” Quinn approached the tarp. A uniformed officer stood guard. “Detective Quinn. Let me see.” The officer, a fresh-faced rookie, pulled back the tarp. The young man’s face was serene, almost peaceful. Too peaceful. There were no signs of struggle, no frantic handprints on the dust, no scuff marks from a desperate kick. He wore simple, dark clothes, unmarred. “No visible injuries,” the rookie offered, unnecessarily. Quinn leaned closer. The skin around the victim’s eyes and mouth was unnaturally pale, almost translucent. A faint odor, like ozone mixed with something burnt, emanated from him. “He’s desiccated,” Quinn observed, her eyes narrowing. “Not just pale. Dried out.” Eva joined her. “I noticed that too. Not exactly typical heart failure, is it?” “No.” Quinn stood, surveying the chaos again. The wood of the stall was splintered inwards, as if something had burst *out* of it. The various items, like the bone tokens and vials, were scattered but unbroken. Nothing suggested an explosion, or even a violent impact. “The official report will still say structural collapse,” Eva reminded her. “The brass wants this wrapped up. No one wants to admit a black market operating under their noses, let alone one that deals in… these sorts of goods.” She nudged a vial with her toe. Quinn ignored her. “If it was a structural collapse,” she began, thinking aloud, “why are there no massive pieces of debris? Why is the collapse so localized to this single stall? And why is the victim’s body… like this?” “Perhaps the collapse was specific,” Eva suggested. “Targeted.” Quinn shook her head. “Tunnel collapse doesn’t target. And if it was targeted, where's the weapon? The explosive residue?” She walked around the crime scene, her mind piecing together the anomalies. The Veil Compass pointed towards a rift. The victim was desiccated. The stall was damaged from the inside out. “What was he selling?” Quinn asked, turning to Eva. Eva shrugged. “General enchanted goods, I imagine. Banned alchemical substances. Information.” Quinn's gaze caught on a faint, almost invisible scorch mark on the floor, directly beneath where the stall must have stood. It was circular, about the size of a dinner plate, and the tiles within its perimeter were slightly discolored, as if seared by intense heat or energy. “This isn’t a structural collapse,” Quinn stated, her voice sharp. “It’s a point of origin.” Eva's green eyes widened behind her glasses. “A point of origin for what?” Quinn knelt, examining the scorch mark. “Whatever happened, it emanated from here. And it had nothing to do with the tunnel’s structure.” She stood and walked over to the victim again, looking at his face, then back at the scorch mark, then at the quivering needle of the Veil Compass. “He wasn’t crushed,” Quinn said, her voice dropping. “He was drained.” Eva frowned, her brow furrowed. “Drained? Of what?” “Energy. Life force. Something powerful enough to desiccate a human being in an instant, and leave a scorch mark in its wake.” Quinn turned to the rookie. “Secure this area. And I mean *secure* it. No one touches anything, not even a speck of dust, until I say so. Call for a full forensic team, and I want a specialized energy signature scan on this scorch mark.” The rookie looked bewildered but nodded, already pulling out his comms. Eva’s voice was softer now, tinged with a familiar unease. “You’re thinking what I’m thinking, aren’t you?” Quinn met her gaze. She didn’t want to think it. Not after DS Morris, three years ago, a case dismissed as ‘unexplained circumstances’ but which had festered in Quinn’s mind, leaving a wound that refused to heal. She still didn't understand what had happened to him, but she knew it wasn't natural. “I’m thinking,” Quinn said, her voice steady, “that whoever or whatever did this isn’t from around here. And it used this old Tube station not as a market, but as a gateway.” She looked from the scorched earth to the flickering light of the rift in the tunnel. “That 'collapse' wasn't an accident. It was the effect of something far more sinister opening up.” The cloying sweetness in the air now seemed less like a mystery and more like a warning. The Veil Market had attracted something that wasn't just interested in commerce. It was interested in power. And the young man on the platform was just the first victim. Quinn clenched her jaw, the worn leather watch digging into her left wrist. She knew this was just the beginning. And unlike the last time, she wouldn’t let this go unexplained.
created_at"2026-02-17T02:49:39.5032+00:00" 2/17/2026, 2:49:39 AM
model"google/gemini-2.5-flash"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency536
moderation_latency(null)
generation_time8937
tokens_prompt923
tokens_completion2055
native_tokens_prompt883
native_tokens_completion1755
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"STOP"
usage0.0046524
router(null)
provider_responses
0
status200
is_byokfalse
latency536
endpoint_id"16c01e26-9b91-4d22-b487-ed35634b017d"
provider_name"Google AI Studio"
model_permaslug"google/gemini-2.5-flash"
api_type"completions"
id"gen-1771296569-mIXCHftJ6RVFV6dH0ls2"
upstream_id(null)
total_cost0.0046524
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags23
adverbTagCount2
adverbTags
0"Eva gestured vaguely [vaguely]"
1"the rookie offered unnecessarily [unnecessarily]"
dialogueSentences42
tagDensity0.548
leniency1
rawRatio0.087
effectiveRatio0.087
96.02% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1257
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"slightly"
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)
56.25% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1257
totalAiIsms11
found
0
word"echoing"
count1
1
word"gloom"
count1
2
word"scanned"
count1
3
word"vibrated"
count1
4
word"etched"
count1
5
word"quivered"
count1
6
word"structure"
count1
7
word"furrowed"
count1
8
word"tinged"
count1
9
word"familiar"
count1
10
word"sinister"
count1
highlights
0"echoing"
1"gloom"
2"scanned"
3"vibrated"
4"etched"
5"quivered"
6"structure"
7"furrowed"
8"tinged"
9"familiar"
10"sinister"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"eyes widened/narrowed"
count1
1
label"clenched jaw/fists"
count1
highlights
0"eyes widened"
1"clenched her jaw"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences87
matches(empty)
77.18% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences87
filterMatches
0"watch"
hedgeMatches
0"seemed to"
1"happened to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences105
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen48
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans3
markdownWords3
totalWords1257
ratio0.002
matches
0"was"
1"out"
2"secure"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
14.53% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions50
wordCount812
uniqueNames9
maxNameDensity2.71
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn22
Kowalski1
Eva14
Veil5
Compass3
Market2
Morris1
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Eva"
4"Compass"
5"Market"
6"Morris"
places
0"Veil"
globalScore0.145
windowScore0.167
53.85% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences52
glossingSentenceCount2
matches
0"looked like it had been selling various t"
1"looked like hardened moonlight"
40.89% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.591
wordCount1257
matches
0"not with the usual station names, but with crude, unfamiliar symbols"
1"not as a market, but as a gateway"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences105
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs39
mean32.23
std20.39
cv0.633
sampleLengths
047
160
236
316
454
518
638
781
835
920
1035
1122
1235
1314
1444
157
1628
1712
1814
1945
2046
2139
228
2319
2431
259
2611
2748
2815
2913
3050
3111
328
3367
3411
3517
3652
3764
3877
85.10% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences87
matches
0"were carved"
1"was etched"
2"was splintered"
3"was desiccated"
4"was interested"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs143
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences105
ratio0
matches(empty)
99.35% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount810
adjectiveStacks0
stackExamples(empty)
adverbCount33
adverbRatio0.040740740740740744
lyAdverbCount10
lyAdverbRatio0.012345679012345678
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences105
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences105
mean11.97
std9.64
cv0.805
sampleLengths
011
113
212
311
424
519
617
711
85
916
104
1111
125
134
1410
1514
1619
177
187
1911
202
2136
225
2315
2415
2534
263
279
285
2928
302
3114
326
335
3430
3513
365
374
3823
3912
404
415
425
439
448
452
4619
476
487
493
54.29% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.37142857142857144
totalSentences105
uniqueOpeners39
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences78
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount19
totalSentences78
matches
0"She stood by a yellowed"
1"Her sharp jaw was set."
2"Her worn leather watch on"
3"She hadn’t slept much."
4"It looked like it had"
5"She trailed off, glancing around"
6"She walked towards the overturned"
7"She squatted, examining the compass."
8"She gestured to the surrounding"
9"He wore simple, dark clothes,"
10"She nudged a vial with"
11"she began, thinking aloud"
12"She walked around the crime"
13"It was circular, about the"
14"She stood and walked over"
15"She didn’t want to think"
16"She still didn't understand what"
17"It was interested in power."
18"She knew this was just"
ratio0.244
4.87% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount71
totalSentences78
matches
0"The old Tube station smelled"
1"Detective Harlow Quinn stepped onto"
2"The air hung thick and"
3"Eva Kowalski, her round glasses"
4"She stood by a yellowed"
5"Her sharp jaw was set."
6"Her worn leather watch on"
7"She hadn’t slept much."
8"Eva gestured vaguely towards the"
9"Quinn scanned the scene."
10"A makeshift stall, overturned and"
11"It looked like it had"
12"The platforms themselves were carved"
13"A faint hum vibrated beneath"
14"Quinn repeated, her voice flat"
15"She trailed off, glancing around"
16"Quinn ignored the dramatic pause."
17"She walked towards the overturned"
18"The platform was scattered with"
19"The Veil Compass."
ratio0.91
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences78
matches(empty)
ratio0
95.24% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences30
technicalSentenceCount2
matches
0"The platforms themselves were carved not with the usual station names, but with crude, unfamiliar symbols that glowed faintly."
1"It was circular, about the size of a dinner plate, and the tiles within its perimeter were slightly discolored, as if seared by intense heat or energy."
16.30% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags23
uselessAdditionCount5
matches
0"Quinn repeated, her voice flat"
1"Quinn observed, her eyes narrowing"
2"Quinn stated, her voice sharp"
3"Quinn said, her voice dropping"
4"Quinn said, her voice steady,"
54.76% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount4
fancyTags
0"Quinn repeated (repeat)"
1"Quinn observed (observe)"
2"Eva suggested (suggest)"
3"Quinn stated (state)"
dialogueSentences42
tagDensity0.19
leniency0.381
rawRatio0.5
effectiveRatio0.19
73.8430%