Run: 2026-07-25-01KYCVDHDJ46NXQXMME1KMW4YQ

Run Details

Duration:
29.8s
Cost:
$0.032704
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
Rung by rusted rung, Detective Harlow Quinn descended into the dark beneath Camden. The iron ladder was slick with subterranean condensation, but her grip was sure, her footing precise. At forty-one, with eighteen years on the force and a lifetime of hard-won discipline behind her, she moved with the quiet efficiency of a soldier entering a breach. At the bottom of the service shaft, the air shifted. It was cold, unnaturally so, carrying a heavy draft that smelled of wet slate, old soot, and something sharp and metallic, like ozone before a lightning strike. She stepped off the ladder onto a narrow catwalk overlooking an abandoned Tube station. Victorian-era subway tiles, yellowed by a century of coal smoke and moisture, curved upward into a cavernous vaulted ceiling. The tracks below had been pulled up decades ago, leaving a floor of crushed ballast and black mud. Detective Constable Vance stood twenty feet ahead near a collapsed brick archway, his flashlight beam cutting through the fog of his own breath. He turned at the sound of her boots, his face pale under the harsh LED glare. "Took you long enough, Detective," Vance said, rubbing his hands together. "Forensics is still ten minutes out, but I wanted you to see it before they clutter the place up." Harlow pulled her gloved hand back to check the time. The dial of the worn leather watch on her left wrist read 2:14 a.m. Her closely cropped salt-and-pepper hair caught the stray rays of Vance’s light as she glided past him, her sharp jaw set in a line of focused concentration. Standing at five-foot-nine, she towered slightly over the younger constable, who stepped back to give her room. "Report, Vance," she said. Her voice was low, clipped, carrying the effortless authority of her military background. "Male, late thirties," Vance began, gesturing toward a bundle of dark cloth lying against the tiled wall. "Found by a London Underground maintenance crew doing structural checks on the relief lines above. They smelled him—or thought they did. Turns out the smell was just the damp. Looks like a mugging gone wrong, Boss. Squatter or a junkie got cornered down here. Skull’s caved in on the left side. Blunt force trauma. Pockets ripped inside out." Harlow squatted beside the body. She didn't speak right away. Her brown eyes swept the corpse, taking in the scene with meticulous detail. The victim was dressed in a heavy tweed overcoat, stained with mud from the floor. But beneath the grime, Harlow’s gloved fingers lifted the lapel to reveal a silk lining and a bespoke tailor’s label from Savile Row. "Junkie in a two-thousand-pound coat?" Harlow murmured. "Stole it, probably," Vance offered quickly. "Found it on a coat rack in a pub." "Look at his shoes, Vance." Vance blinked, lowering his flashlight to the man’s feet. They were fine Italian leather, the soles barely worn, completely unsuited for trudging through miles of disused railway tunnels. "Okay, so he was rich," Vance conceded, shifting his weight. "Rich guy looking for an underground party, strays down the wrong shaft, gets jumped by a local. The skull fracture matches a heavy iron pipe. Case closed." "Is it?" Harlow reached into her pocket, pulled out her penlight, and clicked it on. The narrow beam illuminated the victim's head injury. The left temporal bone was indeed crushed, but there was no laceration. The skin was unbroken, pale, and dry as parchment. More strangely, there was no blood on the ceramic tiles behind the head. No pooling in the dirt. No spatter anywhere within five yards. A impact severe enough to fracture the skull so catastrophically should have painted the wall behind him. "Where is the blood, Constable?" Harlow asked quietly. "He... internal bleeding, maybe?" "A head wound of this magnitude leaks," Harlow said, her tone flat, devoid of patience for poor observation. "Furthermore, look at the edges of his collar." She pointed the tiny beam of light at the man’s neck. A thin fringe of frost outlined his lapels and hair. The ambient temperature in the tunnel was cold, but it wasn't freezing. Yet the corpse was stiff, iced over as if it had been dragged straight out of an industrial meat locker. "He didn't die here," Vance muttered, sounding less confident now. "They dumped him." "If they dumped him, where are the drag marks in the mud?" Harlow stood up, her eyes scanning the ground. The layer of black sediment surrounding the body was undisturbed except for her own boot prints and Vance’s. "No drag marks. No blood. No signs of a struggle. He didn't walk down here, and he wasn't carried." She walked slowly toward the brick archway a few feet away. The passage had been walled off with heavy masonry decades ago, a solid barrier of red brick meant to seal off the abandoned platform from the rest of the underground network. Her boot kicked something small and hard buried in the dirt near the wall. Harlow crouched again. She scraped the silt away with her gloved thumb. It was a smooth, flat piece of polished bone, about the size of a crown coin. Carved into its surface was a singular, intricate notch, etched with absolute precision. A bone token. Her heart gave a subtle, familiar thud against her ribs. She had seen bone like this once before—three years ago, in a dark alley off Whitechapel, resting beside the cold, bloodless body of her partner, DS Morris. The official report had called Morris’s death a heart attack brought on by unseen trauma, but Harlow had known better. The world didn't just break its own physical laws without a reason. "Find something?" Vance asked, taking a step toward her. "Keep your distance," Harlow commanded sharply. She slid the bone token into an evidence bag, then noticed something else resting in the shadow where the brick wall met the floor. It was a small brass object, no larger than a pocket watch. Harlow picked it up by its edges. The metal casing was heavy, coated in a thick, velvety patina of verdigris that spoke of immense age or exposure to harsh elements. The brass face was covered not with numbers or cardinal points, but with a series of finely etched, swirling protective sigils. A Veil Compass. Harlow held it in the palm of her hand. The glass face was intact. Inside, the delicate iron needle wasn't pointing North. It was twitching wildly, vibrating with a nervous kinetic energy before snapping violently to the right—pointing directly at the solid brick wall. Harlow stared at the needle. She felt a cold prickle at the nape of her neck, the same sensation she’d carried since the night Morris died. "Vance," she said, her voice dropping an octave. "What’s on the other side of this wall?" "Nothing, Boss. It’s solid earth. Camden High Street is thirty feet above us. Beyond that wall is just abandoned line, sealed off in the fifties." Harlow stood up, holding the compass hidden in her palm. The needle remained locked against the brickwork, humming with a tiny, imperceptible vibration that buzzed against her glove. "This isn't a mugging," Harlow said, turning to face him. "This man was coming here to buy something. Or meet someone." "In an abandoned Tube station?" Vance scoffed, though his voice lacked conviction. "Buy what? Old bricks?" "Information. Artifacts," Harlow said, her mind racing, connecting the fragments she had gathered over months of quiet, unscripted investigation. She thought of the surveillance files sitting in her desk drawer—photos of a young woman with curly red hair and a worn leather satchel, a research assistant named Eva Kowalski who spent her days in the British Museum's restricted archives and her nights floating around the edges of London's strangest cold cases. Kowalski’s name had appeared in three separate file cross-references linked to underground black markets—itinerant, hidden bazaars that shifted locations under the cover of darkness. *The Veil Market.* Harlow had dismissed the name as street slang when she first heard it. Now, looking at the compass in her hand and the bloodless dead man at her feet, the piece of the puzzle slotted ruthlessly into place. The market didn't stay in one place. It moved. And tonight, it was right behind this wall. "Call the coroner," Harlow ordered, sliding the brass compass deep into her coat pocket alongside the bagged token. "Tell them to send a specialized transport. I want an full toxicology and an environmental sweep of the platform." "What are you going to do?" Vance asked, watching her carefully as she stepped closer to the brick archway. Harlow placed her gloved hand against the cold bricks. Through the thick leather, she felt it—a faint, rhythmic thrum, like the bass beat of a distant city, vibrating right through the stone. "I'm going to find out who opened the door," Harlow said quietly, her sharp jaw tightening as she stared into the dark. "And what they did with the blood."
created_at"2026-07-25T14:38:40.058Z" 7/25/2026, 2:38:40 PM
model"google/gemini-3.6-flash-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1497
moderation_latency(null)
generation_time29781
tokens_prompt896
tokens_completion3213
native_tokens_prompt883
native_tokens_completion4184
native_tokens_completion_images0
native_tokens_reasoning2184
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"default"
usage0.0327045
router(null)
provider_responses
0
endpoint_id"5d6d133d-a953-4781-a835-7ee76f4e1388"
id"cMpkaoaIB528jrEP6Jbf6Ak"
is_byokfalse
latency1497
model_permaslug"google/gemini-3.6-flash-20260721"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784990320-5inYyGtGxziQVAWGnGwb"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784990320-XPqsjLBDthmFAbZ7tvZ3"
upstream_id"cMpkaoaIB528jrEP6Jbf6Ak"
total_cost0.0327045
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
0.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags20
adverbTagCount4
adverbTags
0"Vance offered quickly [quickly]"
1"Harlow asked quietly [quietly]"
2"Harlow commanded sharply [sharply]"
3"Harlow said quietly [quietly]"
dialogueSentences35
tagDensity0.571
leniency1
rawRatio0.2
effectiveRatio0.2
79.99% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1499
totalAiIsmAdverbs6
found
0
adverb"slightly"
count1
1
adverb"quickly"
count1
2
adverb"completely"
count1
3
adverb"slowly"
count1
4
adverb"sharply"
count1
5
adverb"carefully"
count1
highlights
0"slightly"
1"quickly"
2"completely"
3"slowly"
4"sharply"
5"carefully"
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)
66.64% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1499
totalAiIsms10
found
0
word"effortless"
count1
1
word"silk"
count1
2
word"weight"
count1
3
word"scanning"
count1
4
word"intricate"
count1
5
word"etched"
count2
6
word"familiar"
count1
7
word"racing"
count1
8
word"rhythmic"
count1
highlights
0"effortless"
1"silk"
2"weight"
3"scanning"
4"intricate"
5"etched"
6"familiar"
7"racing"
8"rhythmic"
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
narrationSentences89
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences89
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences104
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen59
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords3
totalWords1493
ratio0.002
matches
0"The Veil Market."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
56.70% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions57
wordCount1179
uniqueNames20
maxNameDensity1.87
worstName"Harlow"
maxWindowNameDensity3
worstWindowName"Harlow"
discoveredNames
Detective2
Harlow22
Quinn1
Camden1
Tube1
Constable1
Vance12
Savile1
Row1
Italian1
Whitechapel1
Morris3
Veil2
Compass1
North1
Eva1
Kowalski2
British1
Museum1
London1
persons
0"Harlow"
1"Quinn"
2"Constable"
3"Vance"
4"Morris"
5"Eva"
6"Kowalski"
7"Museum"
places
0"Savile"
1"British"
2"London"
globalScore0.567
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences74
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.67
wordCount1493
matches
0"not with numbers or cardinal points, but with a series of finely etched, swirling protective sigils"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences104
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs46
mean32.46
std20.3
cv0.625
sampleLengths
057
137
251
339
430
568
617
775
823
938
107
1115
125
1328
1437
1523
1662
178
184
1926
2053
2113
2257
2342
2414
2544
2669
279
286
2924
3063
313
3244
3326
3416
3525
3628
3721
3816
3971
4065
4117
4237
4319
4432
4529
89.49% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences89
matches
0"been pulled"
1"was dressed"
2"been dragged"
3"been walled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs189
matches
0"wasn't pointing"
1"was twitching"
5.49% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences5
totalSentences104
ratio0.048
matches
0"She had seen bone like this once before—three years ago, in a dark alley off Whitechapel, resting beside the cold, bloodless body of her partner, DS Morris."
1"It was twitching wildly, vibrating with a nervous kinetic energy before snapping violently to the right—pointing directly at the solid brick wall."
2"She thought of the surveillance files sitting in her desk drawer—photos of a young woman with curly red hair and a worn leather satchel, a research assistant named Eva Kowalski who spent her days in the British Museum's restricted archives and her nights floating around the edges of London's strangest cold cases."
3"Kowalski’s name had appeared in three separate file cross-references linked to underground black markets—itinerant, hidden bazaars that shifted locations under the cover of darkness."
4"Through the thick leather, she felt it—a faint, rhythmic thrum, like the bass beat of a distant city, vibrating right through the stone."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1192
adjectiveStacks0
stackExamples(empty)
adverbCount40
adverbRatio0.03355704697986577
lyAdverbCount19
lyAdverbRatio0.015939597315436243
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences104
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences104
mean14.36
std8.96
cv0.624
sampleLengths
013
116
228
310
427
514
619
718
823
916
1011
1119
1210
1314
1427
1517
164
1713
1817
1958
205
215
2213
2315
2423
257
266
279
285
299
3019
3110
3227
3315
348
3512
369
3713
385
396
4017
418
424
4318
448
4511
4610
4712
4820
4910
71.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.47115384615384615
totalSentences104
uniqueOpeners49
38.76% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences86
matches
0"More strangely, there was no"
ratio0.012
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount21
totalSentences86
matches
0"It was cold, unnaturally so,"
1"She stepped off the ladder"
2"He turned at the sound"
3"Her closely cropped salt-and-pepper hair"
4"Her voice was low, clipped,"
5"She didn't speak right away."
6"Her brown eyes swept the"
7"They were fine Italian leather,"
8"She pointed the tiny beam"
9"She walked slowly toward the"
10"Her boot kicked something small"
11"She scraped the silt away"
12"It was a smooth, flat"
13"Her heart gave a subtle,"
14"She had seen bone like"
15"She slid the bone token"
16"It was a small brass"
17"It was twitching wildly, vibrating"
18"She felt a cold prickle"
19"she said, her voice dropping"
ratio0.244
41.40% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount72
totalSentences86
matches
0"The iron ladder was slick"
1"It was cold, unnaturally so,"
2"She stepped off the ladder"
3"Victorian-era subway tiles, yellowed by"
4"The tracks below had been"
5"Detective Constable Vance stood twenty"
6"He turned at the sound"
7"Vance said, rubbing his hands"
8"Harlow pulled her gloved hand"
9"The dial of the worn"
10"Her closely cropped salt-and-pepper hair"
11"Her voice was low, clipped,"
12"Vance began, gesturing toward a"
13"Harlow squatted beside the body."
14"She didn't speak right away."
15"Her brown eyes swept the"
16"The victim was dressed in"
17"Vance offered quickly"
18"Vance blinked, lowering his flashlight"
19"They were fine Italian leather,"
ratio0.837
58.14% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences86
matches
0"Now, looking at the compass"
ratio0.012
40.82% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences49
technicalSentenceCount7
matches
0"It was cold, unnaturally so, carrying a heavy draft that smelled of wet slate, old soot, and something sharp and metallic, like ozone before a lightning strike."
1"Standing at five-foot-nine, she towered slightly over the younger constable, who stepped back to give her room."
2"Yet the corpse was stiff, iced over as if it had been dragged straight out of an industrial meat locker."
3"The metal casing was heavy, coated in a thick, velvety patina of verdigris that spoke of immense age or exposure to harsh elements."
4"The needle remained locked against the brickwork, humming with a tiny, imperceptible vibration that buzzed against her glove."
5"She thought of the surveillance files sitting in her desk drawer—photos of a young woman with curly red hair and a worn leather satchel, a research assistant na…"
6"Kowalski’s name had appeared in three separate file cross-references linked to underground black markets—itinerant, hidden bazaars that shifted locations under …"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags20
uselessAdditionCount6
matches
0"Harlow said, her tone flat, devoid of patience for poor observation"
1"Harlow stood up, her eyes scanning the ground"
2"she said, her voice dropping an octave"
3"Harlow said, turning to face him"
4"Vance scoffed, though his voice lacked conviction"
5"Harlow said quietly, her sharp jaw tightening as she stared into the dark"
35.71% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags14
fancyCount4
fancyTags
0"Harlow murmured (murmur)"
1"Vance conceded (concede)"
2"Vance muttered (mutter)"
3"Harlow ordered (order)"
dialogueSentences35
tagDensity0.4
leniency0.8
rawRatio0.286
effectiveRatio0.229
76.1647%