Run: 2026-05-19-01KS0TNQSW9Q0PE04R798QWHGM

Run Details

Duration:
24.0s
Cost:
$0.039670
Provider:
Google AI Studio

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
The hum of the Northern line vibrated through the soles of Harlow Quinn’s boots, a dull, rhythmic thrumming deep within the Camden clay. She ducked beneath the sagging blue police tape. Moisture clung to the curved, tiled walls of the abandoned platform, weeping in dirty streaks over the faded lettering of century-old advertisements. Harlow adjusted her collar. She checked her watch. The worn leather strap felt familiar against her wrist, the hands pointing to just past three in the morning. A single halogen work light cut through the gloom, casting long, skeletal shadows across the rusted tracks. DC Miles Vance stood near the edge of the pit, his breath pluming in the damp air. He turned at the sound of her footsteps, his face pale under the harsh glare. "Sloppy business, boss," Vance said, gesturing toward the tracks with his torch beam. "Looks like a transit dispute. One of the local squatters took a dislike to a trespasser." Harlow stepped to the edge of the platform and looked down. The victim lay sprawled across the sleepers, his limbs twisted at unnatural angles. He wore a heavy wool overcoat with a silk lining, the fabric dark with moisture but remarkably free of the soot that coated every other surface in the redundant station. "Squatters don't wear bespoke tailored cashmere, Miles," Harlow said. She jumped down into the gravel ballast, her landing solid and silent. Vance scrambled down after her, his boots sliding on the loose stones. "Maybe he was buying. Drugs, sex, a bit of adventure. People from the West End come down here for all sorts of thrills. The local kids saw an easy mark, cornered him, and took his wallet. The pockets are turned out." Harlow knelt beside the body. She touched the wool sleeve of the coat. Dry. Or at least, dry on the top. The damp only penetrated where the coat pressed into the muddy ballast. "Look at the tracks," Harlow said. She shone her own torch along the rusty metal rails. "The dust on these sleepers hasn't been disturbed for months. There are no scuff marks, no signs of a struggle. If someone chased him down here, they did it without touching the ground." "He could have walked along the lip of the platform," Vance countered, pointing upward. "Slipped and fell." "And then stabbed himself?" Harlow peeled back the lapel of the victim's coat. A circular wound pierced the center of the chest, clean through the shirt. The edges of the fabric weren't shredded or torn as they would be by a serrated blade or a jagged screwdriver. They were stiff. Harlow pulled her pen from her pocket and gently nudged the rim of the wound. The cotton didn't fray. It crumbled. "It’s charred," Harlow said. "The fibers are fused. You don't get cauterized edges from a switchblade." Vance bent lower, squinting through the glare of his torch. "Stun gun? Some kind of industrial cattle prod?" "A cattle prod doesn't punch a hole through a sternum without cracking the ribs," Harlow said. She ran her gloved hand over the victim's breastbone. The bone beneath the skin was intact, save for a perfect, cylindrical void. "No bruising. No petechiae in the eyes. He didn't suffocate, and his heart didn't struggle. He died instantly, the moment this touched him." She stood up, her knee joints popping in the subterranean silence. She turned her back on the body, scanning the dark throat of the tunnel where the tracks disappeared into the blackness toward Kentish Town. The air in the tunnel felt different. Stronger. It smelled faintly of copper and ozone, like the air after a lightning strike, but underlying it was the heavy, sweet scent of rotting lilies. "We found his ID ten yards back," Vance said, pointing his light toward a pile of debris near the tunnel mouth. "Name's Julian Albright. Art dealer. Had a gallery in Mayfair." "Mayfair," Harlow repeated. Her mind clicked back to the files on her desk. The names. The connections. The red-headed girl who spent her afternoons in the restricted archives of the British Museum. Eva Kowalski. Kowalski had been flagged in three separate inquiries involving undocumented antiquities, always hovering on the periphery, always protected by academic credentials and a lack of hard evidence. "Albright was on the watch list for high-value cultural thefts." "You think he was here for a hand-off?" Vance asked. "I think he was searching for something," Harlow said. She walked toward the pile of debris Vance had indicated. A collapsed section of the ceiling had deposited a mound of brick dust and rotten timber against the tunnel wall. She kicked aside a splintered piece of Victorian wrapping crate. Her boot struck something solid. It didn't sound like brick. It had the heavy, metallic clink of brass. Harlow squatted. She cleared away the gray powder with her fingertips. A small brass compass lay nestled in the dirt. Its casing was encrusted with a thick, green patina of verdigris, but beneath the corrosion, intricate geocentric patterns were visible. Sigils, not navigational markings, were etched into the rim in a language that didn't belong to any modern alphabet. "What's that then?" Vance asked, leaning over her shoulder. "A prop?" Harlow didn't answer. She picked up the compass by its rusted hinge. It was surprisingly heavy, the brass thick and cold even through her leather glove. She held it flat in her palm. The needle inside didn't point north. It didn't wobble or spin aimlessly either. The iron hand pointed steadily, with absolute precision, toward the solid brick wall behind the debris pile—the wall that supposedly sealed off the deep-level shelters built during the Blitz. The needle quivered against the glass face, straining toward the brickwork as if pulled by an invisible magnet. "Look at the glass," Harlow said, her voice dropping to a whisper. Vance leaned in closer. "Just looks dusty." "It's not dust." Harlow wiped the face of the compass with her thumb. The glass was clean, but micro-fractures spiderwebbed across the surface, radiating outward from the center as if the needle had struck the underside of the casing with immense force. "The needle isn't responding to the Earth's magnetic field. It’s reacting to something else." "It's broken, boss," Vance said, pulling back with a snort. "Cheap junk. This place is full of old rubbish. The steam trains used to dump everything down here before they electrified the lines." "The Euston extension was never steam-driven, Miles," Harlow said, her eyes fixed on the vibrating needle. She stood up, holding the compass level. She took two steps to the left. The needle rotated instantly, maintaining its lock on the dead-end wall. "We need the structural schematics for this sector," Harlow said. "The original ones. From 1907. Not the London Transport revisions from the nineties." "The logistics team has the digital files back at the station," Vance said, checking his phone. "But we don't need historical maps to wrap this up. Coroner's on his way. We write this up as an unsolved homicide, transfer the file to the Mayfair unit since he's one of theirs, and get a hot bacon roll." "No," Harlow said. She tucked the compass into her inner coat pocket, the metal heavy against her ribs. "We don't transfer this." "Boss, the Super is going to want clear lines of inquiry. A dead art dealer in an abandoned Tube station is a press nightmare. If we can hand it off to Westminster—" "There's no dust on his shoes, Miles," Harlow interrupted, her voice snapping with military sharpness. Vance blinked. "Look at his Oxfords," Harlow said, pointing her torch at the victim’s feet. "The leather is polished to a mirror finish. The soles are clean leather. If he walked down here from the Camden High Street entrance, he would have had to cross fifty yards of wet mud, coal dust, and rat droppings. His trousers are clean to the knee." Vance remained silent, his eyes shifting from the shoes to the wet ballast. "He didn't walk in," Harlow said. "And he wasn't carried." "Then how did he get here?" Vance asked. Harlow walked to the brick wall where the compass had pointed. She pressed her gloved palm against the red Victorian brick. The surface felt ice-cold, far colder than the damp London air should have made it. Beneath her fingers, she felt a faint, rhythmic pulse. It wasn't the vibration of the subterranean trains. It was faster, sharper. Like a heartbeat.
created_at"2026-05-19T19:16:17.857Z" 5/19/2026, 7:16:17 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3191
moderation_latency(null)
generation_time23898
tokens_prompt1149
tokens_completion3365
native_tokens_prompt1073
native_tokens_completion4229
native_tokens_completion_images0
native_tokens_reasoning2311
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"
usage0.0396705
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"ArcMav-3AoStz7IP-Zqr8AE"
is_byokfalse
latency3191
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218177-rCjvEGvLPbHY8h0oUvV2"
session_id(null)
api_type"completions"
id"gen-1779218177-XZh1A65w7gS8HgAgmXai"
upstream_id"ArcMav-3AoStz7IP-Zqr8AE"
total_cost0.0396705
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
totalTags23
adverbTagCount1
adverbTags
0"Harlow peeled back [back]"
dialogueSentences42
tagDensity0.548
leniency1
rawRatio0.043
effectiveRatio0.043
96.46% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1412
totalAiIsmAdverbs1
found
0
adverb"gently"
count1
highlights
0"gently"
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)
43.34% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1412
totalAiIsms16
found
0
word"vibrated"
count1
1
word"rhythmic"
count2
2
word"familiar"
count1
3
word"gloom"
count1
4
word"footsteps"
count1
5
word"silk"
count1
6
word"perfect"
count1
7
word"silence"
count1
8
word"scanning"
count1
9
word"intricate"
count1
10
word"etched"
count1
11
word"quivered"
count1
12
word"whisper"
count1
13
word"magnetic"
count1
14
word"pulse"
count1
highlights
0"vibrated"
1"rhythmic"
2"familiar"
3"gloom"
4"footsteps"
5"silk"
6"perfect"
7"silence"
8"scanning"
9"intricate"
10"etched"
11"quivered"
12"whisper"
13"magnetic"
14"pulse"
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
narrationSentences97
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences97
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences116
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen47
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1411
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions18
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions52
wordCount945
uniqueNames14
maxNameDensity2.43
worstName"Harlow"
maxWindowNameDensity4.5
worstWindowName"Harlow"
discoveredNames
Northern1
Harlow23
Quinn1
Camden1
Miles1
Vance15
Kentish1
Town1
British1
Museum1
Kowalski2
Victorian2
Blitz1
London1
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Vance"
4"Kowalski"
places
0"Kentish"
1"Town"
2"London"
globalScore0.283
windowScore0.167
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences65
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1411
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences116
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs46
mean30.67
std20.06
cv0.654
sampleLengths
053
127
249
329
454
521
653
733
849
917
1013
1137
1221
1316
1418
1561
1668
1731
1871
1910
209
2158
2211
2348
2411
2533
266
2754
2812
297
3056
3133
3230
3311
3423
3556
3622
3732
3815
392
4060
4113
4210
438
4457
453
94.41% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences97
matches
0"been flagged"
1"was encrusted"
2"were etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs151
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences116
ratio0.009
matches
0"The iron hand pointed steadily, with absolute precision, toward the solid brick wall behind the debris pile—the wall that supposedly sealed off the deep-level shelters built during the Blitz."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount951
adjectiveStacks0
stackExamples(empty)
adverbCount21
adverbRatio0.022082018927444796
lyAdverbCount9
lyAdverbRatio0.00946372239747634
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences116
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences116
mean12.16
std8.73
cv0.718
sampleLengths
023
18
222
34
44
519
617
717
815
913
1016
1111
1213
1330
149
1512
1612
1741
185
198
201
217
2212
236
2410
2533
2614
273
2813
2913
3021
313
3215
334
342
354
3612
3710
388
3916
409
4113
4223
4311
4424
457
461
4725
4821
4910
51.72% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3620689655172414
totalSentences116
uniqueOpeners42
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences78
matches(empty)
ratio0
66.15% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount30
totalSentences78
matches
0"She ducked beneath the sagging"
1"She checked her watch."
2"He turned at the sound"
3"He wore a heavy wool"
4"She jumped down into the"
5"She touched the wool sleeve"
6"She shone her own torch"
7"They were stiff."
8"She ran her gloved hand"
9"She stood up, her knee"
10"She turned her back on"
11"It smelled faintly of copper"
12"Her mind clicked back to"
13"She walked toward the pile"
14"She kicked aside a splintered"
15"Her boot struck something solid."
16"It didn't sound like brick."
17"It had the heavy, metallic"
18"She cleared away the gray"
19"Its casing was encrusted with"
ratio0.385
0.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount75
totalSentences78
matches
0"The hum of the Northern"
1"She ducked beneath the sagging"
2"Moisture clung to the curved,"
3"Harlow adjusted her collar."
4"She checked her watch."
5"The worn leather strap felt"
6"A single halogen work light"
7"DC Miles Vance stood near"
8"He turned at the sound"
9"Vance said, gesturing toward the"
10"Harlow stepped to the edge"
11"The victim lay sprawled across"
12"He wore a heavy wool"
13"She jumped down into the"
14"Vance scrambled down after her,"
15"Harlow knelt beside the body."
16"She touched the wool sleeve"
17"The damp only penetrated where"
18"She shone her own torch"
19"Vance countered, pointing upward"
ratio0.962
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences78
matches(empty)
ratio0
69.60% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences39
technicalSentenceCount4
matches
0"He wore a heavy wool overcoat with a silk lining, the fabric dark with moisture but remarkably free of the soot that coated every other surface in the redundant…"
1"The red-headed girl who spent her afternoons in the restricted archives of the British Museum."
2"The needle quivered against the glass face, straining toward the brickwork as if pulled by an invisible magnet."
3"The glass was clean, but micro-fractures spiderwebbed across the surface, radiating outward from the center as if the needle had struck the underside of the cas…"
81.52% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags23
uselessAdditionCount2
matches
0"Harlow said, her voice dropping to a whisper"
1"Harlow interrupted, her voice snapping with military sharpness"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags20
fancyCount2
fancyTags
0"Harlow repeated (repeat)"
1"Harlow interrupted (interrupt)"
dialogueSentences42
tagDensity0.476
leniency0.952
rawRatio0.1
effectiveRatio0.095
80.6625%