Run: 2026-05-19-01KS0V46VHEW99BVQ474WFAJE4

Run Details

Duration:
21.1s
Cost:
$0.034785
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 in Camden did not fall; it drove sideways, needle-sharp and smelling of soot. Detective Harlow Quinn wiped a mixture of frigid water and sweat from her brow, her salt-and-pepper hair plastered to her skull. She checked her stride only for a fraction of a second to glance at the worn leather watch on her left wrist. 11:47 PM. Her muscles ached with a deep, systemic burn that forty-one years of life and eighteen years on the force had earned her, but her posture remained locked in the rigid, military precision that had defined her entire adult life. She did not slow down. Up ahead, cutting through the yellow glare of the sodium streetlamps, was Tomás Herrera. The former paramedic was fast, running with the loose, athletic stride of a man who spent his life dodging the worst corners of the city. Harlow had been tracking him for three weeks, ever since a tip linked him to the unlicensed, underground medical care of a local clique she suspected of multiple felonies. But it was more than a routine investigation. Herrera was the thread. The thread that led to the shadows, to the parts of London that didn't make sense, to the same unseen forces that had swallowed her partner, DS Morris, three years ago. "Stop! Police!" her voice rang out, instantly swallowed by the roar of the downpour and the distant hum of the Regent's Canal. Herrera didn't look back. He rounded a sharp corner by a row of Victorian railway arches, his green utility jacket flapping like broken wings. As he turned, the sleeve rode up, offering Harlow a brief, strobing glimpse under the streetlamp of the thick, jagged scar running along his left forearm—the mark of a knife attack that should have killed him, but hadn't. Harlow accelerated, her heavy boots slamming into deep puddles, sending twin plumes of dirty water into the air. She rounded the corner just in time to see Herrera dive down a narrow, recessed stairwell tucked between two crumbling brick warehouses. She reached the top of the stairs and stopped, her hand instinctively dropping to the butt of her baton, then to the heavy flashlight at her utility belt. The stairwell led down into the throat of an abandoned Tube station, long since excised from the Transport for London maps. A rusted corrugated iron gate, meant to seal the descent, had been peeled back like a tin can, leaving a dark, jagged maw. Below, the air didn't smell like the rain-washed city. It smelled of ozone, stagnant water, dried tallow, and a sickeningly sweet undercurrent of scorched lavender and old copper. It was the smell of the things she had spent three years trying to forget—and three years trying to find. Harlow flicked on her flashlight, the beam cutting through the gloom. The stairs were slick with green slime and littered with broken glass. She descended slowly, her sharp jaw set, her brown eyes scanning the wet concrete. Her heart hammered against her ribs, a steady, demanding rhythm. At the bottom of the flight, the modern world seemed to peel away. The tiled walls of the station, once white, were stained a deep, bruised purple by decades of moisture and soot. The beam of her light caught Herrera fifty yards down the tiled pedestrian tunnel. He had stopped at a set of heavy, reinforced iron doors that looked entirely out of place in a municipal transit network. "Herrera," Harlow called out, her voice echoing hollowly off the damp curved tiles. "It’s over. Step away from the doors." Herrera turned. His olive skin was pale, slicked with rain, and his warm brown eyes were wide with a mixture of exhaustion and terror. His short, curly dark brown hair was matted to his forehead. He reached into his shirt, pulling out a small silver Saint Christopher medallion, clutching it briefly before letting it drop back against his chest. "You shouldn't have followed me, Detective," he said, his voice raspy, his Spanish accent thick and taut with strain. "You don't know what you're stepping into." "I know you've been practicing medicine without a license, treating people who don't exist in any official registry," Harlow said, taking a slow, measured step forward. She kept her flashlight trained on his chest. "And I know you were near the docks the night Morris died. You're coming back to the station." Herrera let out a dry, humorless laugh. He reached into his pocket. Harlow’s hand went immediately to her holster, her fingers wrapping around the grip of her firearm. "Show me your hands, Tomás. Slowly." He didn't pull a weapon. Instead, he held up a small, polished white object between his thumb and forefinger. It was a fragment of bone, carved with intricate, interlocking runes that seemed to catch the edge of Harlow's flashlight beam and bend the light around them. A bone token. Harlow froze. She had seen one of these once before, in the evidence locker of a case that had been abruptly buried by her superiors. Before she could speak, the heavy iron doors groaned. They didn't swing open; they dissolved inward, the solid metal liquefying into a shimmering, oily black curtain that filled the archway. A figure stepped out from the darkness of the threshold—a massive, silent guard cloaked in heavy, mold-colored wool, its face completely hidden beneath a deep cowl. Herrera held the bone token forward. The cloaked figure leaned down, sniffing the air near Herrera's hand, then gave a single, slow nod. The guard stepped aside, gesturing toward the shimmering black void behind him. "This is your last chance to turn back, Detective," Herrera said, looking at her with something that looked remarkably like pity. "Beyond this door is the Veil Market. Tonight, it sits under Camden. By the next full moon, it will be gone. There are no warrants there. There is no Crown prosecution. There is only the trade." He stepped backward through the shimmering liquid barrier. The black film rippled around him like oil on water, swallowing his boots, his jacket, his face, until he was gone. The cloaked guard remained, turning its hidden gaze toward Harlow. It raised a pale, multi-jointed hand, its fingers ending in blunt, yellowed claws, and tapped a heavy brass plate mounted to the stone archway. Hooked onto the plate was a small iron scale. The message was clear: payment, or no entry. Harlow stood alone in the dripping, subterranean silence. Every instinct drilled into her through eighteen years of decorated police work screamed at her to turn back. Her jurisdiction ended at the street level. Above her was the world of paper trails, courtrooms, and the comforting gravity of the law. Below her, through that rippling black anomaly, lay a hidden supernatural black market that operated in the margins of reality. To enter was to step off the edge of the map. If she died down there, there would be no blue line at her funeral. There would be no body to bury. Just another unexplained disappearance, another file stamped *unresolved*, just like Morris. She looked down at her watch. The second hand swept forward, relentless and indifferent. Three years ago, she had promised Morris’s widow she would find the truth. She had promised herself she wouldn't stop until she understood what had torn her partner to pieces in that abandoned warehouse by the Thames. The answers weren't in the Metropolitan Police archives. They weren't in the forensic labs. They were down here. Harlow Quinn reached into her pocket. She didn't have a bone token. But she had a heavy, solid brass lighter, engraved with the insignia of her old regiment—a relic of a life before she chose the badge. She weighed it in her palm, stepped up to the cloaked guard, and dropped the heavy brass into the iron scale with a hollow *clink*. The guard stared at the lighter, then reached out and took it. With a slow, grinding sweep of its arm, the creature stepped back. Harlow took a deep breath, tasted the copper and tallow on the air, and stepped through the black curtain into the dark.
created_at"2026-05-19T19:24:12.023Z" 5/19/2026, 7:24:12 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1536
moderation_latency(null)
generation_time20967
tokens_prompt914
tokens_completion3001
native_tokens_prompt852
native_tokens_completion3723
native_tokens_completion_images0
native_tokens_reasoning1979
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"
usage0.034785
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"3LgMasSLCtb2jMcPtOiBgAo"
is_byokfalse
latency1536
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-1779218652-tBuyDQhpPNh6T9L1DIfn"
session_id(null)
api_type"completions"
id"gen-1779218652-UJmAfjEJb5nvbMxMGFEA"
upstream_id"3LgMasSLCtb2jMcPtOiBgAo"
total_cost0.034785
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences10
tagDensity0.5
leniency1
rawRatio0
effectiveRatio0
88.98% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1361
totalAiIsmAdverbs3
found
0
adverb"slowly"
count2
1
adverb"completely"
count1
highlights
0"slowly"
1"completely"
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)
66.94% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1361
totalAiIsms9
found
0
word"maw"
count1
1
word"flicked"
count1
2
word"gloom"
count1
3
word"scanning"
count1
4
word"echoing"
count1
5
word"measured"
count1
6
word"intricate"
count1
7
word"silence"
count1
8
word"comforting"
count1
highlights
0"maw"
1"flicked"
2"gloom"
3"scanning"
4"echoing"
5"measured"
6"intricate"
7"silence"
8"comforting"
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
narrationSentences85
matches(empty)
75.63% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences85
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)
analyzedSentences90
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords2
totalWords1357
ratio0.001
matches
0"unresolved"
1"clink"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions44
wordCount1247
uniqueNames18
maxNameDensity1.12
worstName"Harlow"
maxWindowNameDensity2.5
worstWindowName"Harlow"
discoveredNames
Camden1
Harlow14
Quinn2
Tomás1
Herrera10
London2
Morris3
Regent1
Canal1
Victorian1
Tube1
Transport1
Saint1
Christopher1
Spanish1
Thames1
Metropolitan1
Police1
persons
0"Harlow"
1"Quinn"
2"Tomás"
3"Herrera"
4"Morris"
5"Regent"
6"Canal"
7"Saint"
8"Christopher"
9"Police"
places
0"London"
1"Transport"
2"Thames"
globalScore0.939
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences75
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1357
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences90
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean41.12
std25.84
cv0.628
sampleLengths
015
189
214
397
422
562
640
728
872
920
1047
1169
1220
1359
1426
1552
1634
1746
183
1925
2056
2135
2257
2329
2451
258
26104
2714
2851
294
3062
3124
3222
88.75% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences85
matches
0"been peeled"
1"were stained"
2"was matted"
3"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs201
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount2
flaggedSentences6
totalSentences90
ratio0.067
matches
0"The rain in Camden did not fall; it drove sideways, needle-sharp and smelling of soot."
1"As he turned, the sleeve rode up, offering Harlow a brief, strobing glimpse under the streetlamp of the thick, jagged scar running along his left forearm—the mark of a knife attack that should have killed him, but hadn't."
2"It was the smell of the things she had spent three years trying to forget—and three years trying to find."
3"They didn't swing open; they dissolved inward, the solid metal liquefying into a shimmering, oily black curtain that filled the archway."
4"A figure stepped out from the darkness of the threshold—a massive, silent guard cloaked in heavy, mold-colored wool, its face completely hidden beneath a deep cowl."
5"But she had a heavy, solid brass lighter, engraved with the insignia of her old regiment—a relic of a life before she chose the badge."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1257
adjectiveStacks2
stackExamples
0"small, polished white object"
1"heavy, mold-colored wool,"
adverbCount34
adverbRatio0.027048528241845664
lyAdverbCount15
lyAdverbRatio0.011933174224343675
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences90
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences90
mean15.08
std8.56
cv0.568
sampleLengths
015
121
222
32
439
55
614
725
829
98
104
1131
1222
134
1420
1538
1618
1722
1828
1921
2023
219
2219
2320
2411
2512
2614
2710
2813
2920
3014
3122
3213
337
342
3522
3611
3724
3819
397
4026
418
4218
437
445
4516
466
475
4814
4927
55.93% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.3888888888888889
totalSentences90
uniqueOpeners35
81.30% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences82
matches
0"Instead, he held up a"
1"Just another unexplained disappearance, another"
ratio0.024
68.78% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences82
matches
0"She checked her stride only"
1"Her muscles ached with a"
2"She did not slow down."
3"her voice rang out, instantly"
4"He rounded a sharp corner"
5"She rounded the corner just"
6"She reached the top of"
7"It smelled of ozone, stagnant"
8"It was the smell of"
9"She descended slowly, her sharp"
10"Her heart hammered against her"
11"He had stopped at a"
12"His olive skin was pale,"
13"His short, curly dark brown"
14"He reached into his shirt,"
15"he said, his voice raspy,"
16"She kept her flashlight trained"
17"He reached into his pocket."
18"He didn't pull a weapon."
19"It was a fragment of"
ratio0.378
57.56% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount66
totalSentences82
matches
0"The rain in Camden did"
1"Detective Harlow Quinn wiped a"
2"She checked her stride only"
3"Her muscles ached with a"
4"She did not slow down."
5"The former paramedic was fast,"
6"Harlow had been tracking him"
7"Herrera was the thread."
8"The thread that led to"
9"her voice rang out, instantly"
10"Herrera didn't look back."
11"He rounded a sharp corner"
12"Harlow accelerated, her heavy boots"
13"She rounded the corner just"
14"She reached the top of"
15"The stairwell led down into"
16"A rusted corrugated iron gate,"
17"It smelled of ozone, stagnant"
18"It was the smell of"
19"Harlow flicked on her flashlight,"
ratio0.805
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences82
matches
0"Before she could speak, the"
1"To enter was to step"
2"If she died down there,"
ratio0.037
61.99% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences53
technicalSentenceCount6
matches
0"Her muscles ached with a deep, systemic burn that forty-one years of life and eighteen years on the force had earned her, but her posture remained locked in the…"
1"The former paramedic was fast, running with the loose, athletic stride of a man who spent his life dodging the worst corners of the city."
2"As he turned, the sleeve rode up, offering Harlow a brief, strobing glimpse under the streetlamp of the thick, jagged scar running along his left forearm—the ma…"
3"He reached into his shirt, pulling out a small silver Saint Christopher medallion, clutching it briefly before letting it drop back against his chest."
4"They didn't swing open; they dissolved inward, the solid metal liquefying into a shimmering, oily black curtain that filled the archway."
5"Below her, through that rippling black anomaly, lay a hidden supernatural black market that operated in the margins of reality."
25.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount1
matches
0"Harlow called out, her voice echoing hollowly off the damp curved tiles"
50.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount1
fancyTags
0"Harlow called out (call out)"
dialogueSentences10
tagDensity0.4
leniency0.8
rawRatio0.25
effectiveRatio0.2
83.0731%