Run: 2026-07-25-01KYCY421MM02XXM4PXDBE9AY7

Run Details

Duration:
6.6s
Cost:
$0.003453
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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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 rain fell in sheets over Soho, turning the asphalt into a slick, black mirror that shattered the neon glare of storefronts. Detective Harlow Quinn did not feel the cold. Her focus was absolute, honed by eighteen years of decorated service and a persistent, bitter hum in her chest whenever the city started smelling of things it shouldn't. Ahead of her, cutting through the pedestrians like a blade through oil, was the target. Harlow lengthened her stride, her heavy boots splashing through standing water. Her breath plumed white in the damp air. She checked her pace only enough to keep the suspect in sight, her hand hovering instinctively near her holster. She was forty-one, with a sharp jaw and closely cropped salt-and-pepper hair that clung to her temples. On her left wrist, the worn leather band of her watch tightened against her skin as she swung her arm, keeping time with the relentless rhythm of the chase. The suspect rounded a corner sharply, heading north toward the industrial decay of Camden. Harlow pushed harder, her lungs burning with the sharp, ozone-heavy air of a London downpour. Three years had passed since she lost DS Morris, three years since the case that had shattered her worldview and left her chasing shadows that defied physics. The department thought she was chasing ghosts, obsessed with a narrative of criminality she couldn't prove. But Harlow knew better. The clique operated in the dark spaces between laws, and she was going to drag them into the light. She chased the figure down an alley choked with commercial dumpsters, then out onto a deserted stretch of pavement that sloped steeply downward. The ambient noise of traffic faded, replaced by the low, subterranean rumble of the Northern Line. The suspect wasn't heading for a train. They were heading for the ghosts of the city's past. Camden's abandoned Tube station loomed out of the gloom, its rusted iron gates pried open just enough to allow passage. A damp, stale draft exhaled from the dark maw of the stairs, carrying the metallic tang of old iron and something else—something sharp and sulfurous, like scorched bone. Harlow stopped at the threshold of the descent, her boots squeaking on the wet concrete. This was the Veil Market. She knew the intelligence reports, fragments of rumors gathered from informants who refused to look her in the eye. They whispered of a hidden supernatural black market operating in abandoned transit hubs, a place that sold enchanted goods, banned alchemical substances, and information traded in blood and bone. It moved every full moon, but tonight, the subterranean tunnels were humming. The suspect slipped through the gap in the iron gate and vanished down the stairs. Harlow stood at the edge, her hand dropping to her side. Her heart hammered against her ribs, a steady, rhythmic thud that matched the ticking of her leather-strapped watch. Protocol demanded she call it in. Protocol demanded she establish a perimeter, wait for backup, and request tactical support specialized in subterranean extraction. But Harlow knew what happened when she called for backup on these types of cases. The paperwork vanished. The reports were filed away in locked drawers marked for internal review only. The system was blind to what lived beneath the pavement, and if she waited for permission, the trail would go cold for good. She pulled a small flashlight from her coat pocket, her thumb clicking the metal tailcap. A narrow beam of white light cut through the gloom, illuminating slick stone steps descending into impenetrable blackness. From deep within the earth came the faint, rhythmic clatter of distant machinery and the low murmur of dozens of voices echoing off vaulted tile ceilings—voices speaking in inflections and languages that didn't belong in any atlas. Harlow stared into the dark. Her instincts screamed a warning, the same primal survival instinct that had kept her alive through eighteen years of violent crime and the unexplainable horrors of the Morris case. Down there, her badge meant nothing. Down there, the laws of the Metropolitan Police were replaced by the brutal commerce of the supernatural underground. She thought of Morris. She thought of the unanswered questions, the strange symbols left at crime scenes, the quiet cover-ups by superiors who were either terrified or complicit. With a sharp intake of breath, Harlow slipped through the narrow gap in the iron gate. The temperature plummeted the moment she stepped past the threshold. The damp air clung to her skin like a shroud. She descended the stone stairs one by one, her flashlight beam dancing over graffiti-covered walls that gave way to crumbling Edwardian tile. The stench grew heavier—iron, damp earth, and the unmistakable, sickly-sweet scent of old magic. At the bottom of the stairwell, a heavy iron turnstile stood broken and discarded. Beyond it stretched a vast, vaulted subterranean platform where the tracks had long been paved over with packed dirt and gravel. The Veil Market was alive. Torches and strange, cold-burning blue lanterns cast long, writhing shadows across hundreds of figures moving through the cavernous space. Stalls fashioned from salvaged timber and rusted metal lined the tracks. Figures in heavy cloaks, some wearing unsettling masks of carved bone and horn, huddled over crates displaying glowing vials, tarnished silver weapons, and artifacts that seemed to shift shape when looked at directly. Harlow pressed her back against the damp brick wall of the tunnel entrance, dousing her flashlight to blend into the shadows. Her eyes scanned the chaotic sea of black-market commerce. A few yards away, a vendor with skin the color of bruised slate was haggling with a customer over a bundle of dried roots that writhed like trapped snakes. Further down the platform, a figure matching her suspect's height and build vanished into a throng of cloaked buyers crowding around a makeshift apothecary stall. Harlow gripped the butt of her service weapon beneath her coat, feeling the reassuring weight of cold steel. She had crossed the threshold into a world she wasn't meant to see, a place where human laws held no sway. She stepped away from the wall and moved into the crowd, her jaw set, ready to hunt.
created_at"2026-07-25T15:25:55.133Z" 7/25/2026, 3:25:55 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency328
moderation_latency(null)
generation_time6509
tokens_prompt888
tokens_completion1593
native_tokens_prompt852
native_tokens_completion1279
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"default"
usage0.0034531
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"g9VkatzfDuyW-8YP_ai40Qg"
is_byokfalse
latency328
model_permaslug"google/gemini-3.5-flash-lite-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-1784993155-PJvMgdFoTfJCXhvajZmz"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784993155-gPd09ZPLSG9hpX8dCLWG"
upstream_id"g9VkatzfDuyW-8YP_ai40Qg"
total_cost0.0034531
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
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
95.15% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1031
totalAiIsmAdverbs1
found
0
adverb"sharply"
count1
highlights
0"sharply"
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)
36.95% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1031
totalAiIsms13
found
0
word"shattered"
count2
1
word"loomed"
count1
2
word"gloom"
count2
3
word"maw"
count1
4
word"rhythmic"
count2
5
word"echoing"
count1
6
word"dancing"
count1
7
word"scanned"
count1
8
word"chaotic"
count1
9
word"weight"
count1
highlights
0"shattered"
1"loomed"
2"gloom"
3"maw"
4"rhythmic"
5"echoing"
6"dancing"
7"scanned"
8"chaotic"
9"weight"
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
narrationSentences62
matches(empty)
96.77% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences62
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences62
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1028
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
96.50% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions29
wordCount1028
uniqueNames14
maxNameDensity1.07
worstName"Harlow"
maxWindowNameDensity1.5
worstWindowName"Harlow"
discoveredNames
Soho1
Harlow11
Quinn1
Camden2
London1
Morris3
Northern1
Line1
Tube1
Veil2
Market2
Metropolitan1
Police1
Edwardian1
persons
0"Harlow"
1"Quinn"
2"Camden"
3"Morris"
places
0"Soho"
1"London"
globalScore0.965
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences56
glossingSentenceCount1
matches
0"artifacts that seemed to shift shape when looked at directly"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1028
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences62
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs25
mean41.12
std23.5
cv0.571
sampleLengths
058
115
284
395
439
517
648
715
865
915
1029
1177
1233
1337
1458
1528
1616
1756
1835
195
2063
2130
2254
2339
2417
88.29% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences62
matches
0"were filed"
1"were replaced"
2"been paved"
37.40% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs164
matches
0"wasn't heading"
1"were heading"
2"were humming"
3"was haggling"
4.61% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences3
totalSentences62
ratio0.048
matches
0"A damp, stale draft exhaled from the dark maw of the stairs, carrying the metallic tang of old iron and something else—something sharp and sulfurous, like scorched bone."
1"From deep within the earth came the faint, rhythmic clatter of distant machinery and the low murmur of dozens of voices echoing off vaulted tile ceilings—voices speaking in inflections and languages that didn't belong in any atlas."
2"The stench grew heavier—iron, damp earth, and the unmistakable, sickly-sweet scent of old magic."
82.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1041
adjectiveStacks3
stackExamples
0"sharp, ozone-heavy air"
1"over graffiti-covered walls"
2"unmistakable, sickly-sweet scent"
adverbCount16
adverbRatio0.01536983669548511
lyAdverbCount8
lyAdverbRatio0.007684918347742555
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences62
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences62
mean16.58
std7.79
cv0.47
sampleLengths
022
18
228
315
411
58
619
717
829
914
1015
1127
1216
134
1419
1523
1616
177
1810
1920
2028
2115
225
2319
2429
2512
2615
2711
2818
296
3017
3115
323
3313
3423
3515
3618
3737
385
3929
406
4118
424
4324
4416
4510
4610
4722
4814
4914
50.00% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.3870967741935484
totalSentences62
uniqueOpeners24
53.76% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences62
matches
0"Further down the platform, a"
ratio0.016
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount18
totalSentences62
matches
0"Her focus was absolute, honed"
1"Her breath plumed white in"
2"She checked her pace only"
3"She was forty-one, with a"
4"She chased the figure down"
5"They were heading for the"
6"She knew the intelligence reports,"
7"They whispered of a hidden"
8"It moved every full moon,"
9"Her heart hammered against her"
10"She pulled a small flashlight"
11"Her instincts screamed a warning,"
12"She thought of Morris."
13"She thought of the unanswered"
14"She descended the stone stairs"
15"Her eyes scanned the chaotic"
16"She had crossed the threshold"
17"She stepped away from the"
ratio0.29
64.84% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount49
totalSentences62
matches
0"The rain fell in sheets"
1"Detective Harlow Quinn did not"
2"Her focus was absolute, honed"
3"Harlow lengthened her stride, her"
4"Her breath plumed white in"
5"She checked her pace only"
6"She was forty-one, with a"
7"The suspect rounded a corner"
8"Harlow pushed harder, her lungs"
9"The department thought she was"
10"The clique operated in the"
11"She chased the figure down"
12"The ambient noise of traffic"
13"The suspect wasn't heading for"
14"They were heading for the"
15"Camden's abandoned Tube station loomed"
16"A damp, stale draft exhaled"
17"Harlow stopped at the threshold"
18"This was the Veil Market."
19"She knew the intelligence reports,"
ratio0.79
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences62
matches(empty)
ratio0
16.81% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences51
technicalSentenceCount9
matches
0"The rain fell in sheets over Soho, turning the asphalt into a slick, black mirror that shattered the neon glare of storefronts."
1"She was forty-one, with a sharp jaw and closely cropped salt-and-pepper hair that clung to her temples."
2"Three years had passed since she lost DS Morris, three years since the case that had shattered her worldview and left her chasing shadows that defied physics."
3"They whispered of a hidden supernatural black market operating in abandoned transit hubs, a place that sold enchanted goods, banned alchemical substances, and i…"
4"Her heart hammered against her ribs, a steady, rhythmic thud that matched the ticking of her leather-strapped watch."
5"From deep within the earth came the faint, rhythmic clatter of distant machinery and the low murmur of dozens of voices echoing off vaulted tile ceilings—voices…"
6"Her instincts screamed a warning, the same primal survival instinct that had kept her alive through eighteen years of violent crime and the unexplainable horror…"
7"She thought of the unanswered questions, the strange symbols left at crime scenes, the quiet cover-ups by superiors who were either terrified or complicit."
8"Figures in heavy cloaks, some wearing unsettling masks of carved bone and horn, huddled over crates displaying glowing vials, tarnished silver weapons, and arti…"
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
80.7693%