Run: 2026-02-19-01KHTRGHE37357JKFE618BMBW2

Run Details

Duration:
36.9s
Cost:
$0.030975
Provider:
Anthropic

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="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> Continue the story using the following instructions: <instructions> 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. </instructions>

Model response

AI
Rain hammered the London streets, turning the city into a gleaming, slick labyrinth. Detective Harlow Quinn's boots splashed through puddles as she kept her eyes locked on the figure darting between parked cars twenty meters ahead. Her breath came in controlled bursts, the discipline of her pursuit a testament to years on the force. The suspect—a lanky man in a dark hood—had bolted from The Raven's Nest the moment Quinn had flashed her badge. Three months of surveillance on Silas' bar had finally yielded something tangible: a suspicious exchange of what appeared to be bone fragments wrapped in velvet cloth. "Metropolitan Police! Stop right now!" Quinn's voice cut through the downpour, but the suspect only accelerated, veering sharply down a narrow alley. Quinn followed, her right hand hovering near her holster. The alley reeked of rubbish and stale beer, the brick walls closing in on both sides. The rain beat a relentless rhythm against her face as she pushed forward, narrowing the gap. The suspect glanced back, his face momentarily illuminated by a security light. Fear etched across his features—not just the normal fear of a criminal caught in the act, but something deeper. Something primal. He stumbled over a discarded crate, nearly losing his balance before recovering and diving through a half-open service door. Quinn reached the door seconds later, pausing only briefly before plunging into the darkness beyond. The corridor inside smelled of mildew and something else—something acrid and unfamiliar that made her nostrils flare. Emergency lights cast a sickly glow over peeling paint and exposed pipes. Quinn moved cautiously now, her footsteps echoing against concrete. "I know you're down here," she called out, her voice bouncing back at her from multiple directions. "Make this easier on yourself." A clatter from deeper in the corridor answered her. Quinn pressed forward, passing abandoned maintenance rooms and storage closets. The building plans she'd studied showed this structure should connect to a disused section of the Underground, but nothing about the twisting path felt standard issue. The corridor abruptly opened into what had once been a station platform. Ancient tile work crumbled along the walls, and the tracks below had been covered with wooden planking to create a makeshift floor. But what caught Quinn's attention wasn't the architecture—it was the glow emanating from below, accompanied by the low murmur of voices. Her suspect was nowhere in sight, but a narrow staircase descended from the platform edge to whatever lay beneath. Quinn approached cautiously, crouching to peer down. What she saw made her breath catch. A market sprawled across the old train tunnel, but unlike any market she'd seen before. Makeshift stalls lined both sides of the passage, illuminated by strange, floating lights that pulsed with colors she couldn't quite name. The vendors themselves were obscured by hoods, masks, or shadows that seemed to cling unnaturally to their forms. The market's patrons moved between stalls with purpose—some clearly human, others... Quinn squinted, unable to process what she was seeing. Figures that moved too fluidly, bodies with proportions that defied anatomical possibility, faces with features that shifted when viewed directly. Quinn had been a detective long enough to recognize when she was out of her depth. This wasn't a simple drug bust or smuggling operation. This was something else entirely. She spotted her suspect weaving through the crowd below, still clutching the velvet package. He approached a stall where a figure in a crimson cloak stood motionless. Quinn hesitated at the top of the stairs. Following meant stepping into unknown territory with no backup, no jurisdiction, and no understanding of the rules that governed this place. The rational part of her brain screamed to retreat, call it in, bring reinforcements. But then she remembered Morris. Her partner's face flashed before her eyes—how they'd found him three years ago, his expression frozen in terror, his body completely drained of blood despite no visible wounds. The investigation had hit dead end after dead end, with evidence that made no sense and witnesses whose testimonies contradicted the laws of nature. The velvet package might be connected. It had to be. Taking a deep breath, Quinn descended the stairs, her hand firmly on her sidearm. As her foot touched the bottom step, every conversation in the market ceased. Dozens of eyes—some human, some decidedly not—turned toward her. "Nobody move," Quinn commanded, though her voice lacked its usual authority. "Metropolitan Police." Her suspect backed away from the crimson-cloaked figure, eyes wide with panic. "She followed me! I didn't—I wasn't—" "Silence," the cloaked figure hissed, a sound like sandpaper on stone. "She carries no token. She is not permitted." Quinn kept her stance wide, ready to move in any direction. "I'm investigating a series of crimes that may be connected to activities in this... establishment. I have questions for this man." Laughter rippled through the crowd—not mocking, but genuinely amused, as if she'd told a charming joke at a dinner party. "The Veil Market recognizes no authority but its own," the crimson figure stated. "You have violated our sanctuary. The penalty is—" "Wait!" A new voice cut through the tension. A man pushed through the crowd, olive-skinned with curly dark hair. A Saint Christopher medallion glinted at his throat as he positioned himself between Quinn and the cloaked figure. Quinn recognized him immediately from her surveillance photos. "Tomás Herrera." He nodded slightly, his warm brown eyes communicating a clear warning. "Detective Quinn. You've wandered somewhere you shouldn't be." "You know this trespasser, healer?" the cloaked figure asked. "I do." Herrera didn't take his eyes off Quinn. "She's investigating the death of her partner. A death that had nothing to do with our community." Quinn's jaw tightened. "How do you know about Morris?" "Because I tried to save him." Herrera's voice lowered. "Too late. The damage was done before he reached me." The market had grown eerily silent, the crowd forming a circle around them. Quinn's suspect had disappeared into the throng, the velvet package gone with him. "Detective," Herrera continued, "you have two choices. Leave now, forget what you've seen, and I'll share what I know about your partner's death. Or stay, demand answers from people who don't answer to your laws, and likely never see daylight again." Quinn's watch ticked on her wrist, the worn leather strap suddenly feeling too tight. Her military-precise posture remained unbroken, but her mind raced through possibilities. "How do I know you're telling the truth about Morris?" "He had a birthmark shaped like Australia on his right shoulder blade. He carried a photo of his daughter in his left breast pocket. His last words were about someone named Rebecca." Quinn felt the blood drain from her face. None of that information had been in any official report. "You have thirty seconds to decide, Detective," the crimson figure announced. "The Market moves tonight, and we do not leave loose ends." Quinn looked around at the impossible market, at faces both human and inhuman watching her with expressions ranging from curiosity to hunger. Then she looked at Herrera, whose scar along his left forearm seemed to pulse slightly in the strange light. "Take me somewhere we can talk," she finally said to Herrera. "But know this—if you're responsible for what happened to Morris, there isn't a hole deep enough for you to hide in." Herrera's expression remained calm as he nodded. "This way, Detective. Quickly." As he led her through a narrow passage branching off from the main market, Quinn felt the weight of dozens of eyes on her back. The rain continued to pound the streets far above them, but down here in this impossible underground market, she had crossed a threshold into a London she never knew existed—a London where the rules she'd built her career upon might mean nothing at all.
created_at"2026-02-19T10:53:10.985Z" 2/19/2026, 10:53:10 AM
model"anthropic/claude-3-7-sonnet-20250219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency453
moderation_latency(null)
generation_time36827
tokens_prompt1140
tokens_completion2115
native_tokens_prompt1125
native_tokens_completion1840
native_tokens_completion_images(null)
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"
usage0.030975
router(null)
provider_responses
0
endpoint_id"1347c8dc-12f5-47df-8355-3ec7e80a8c67"
id"msg_0163Yq3FkU5SkSqCfkQGbpuo"
is_byokfalse
latency453
model_permaslug"anthropic/claude-3-7-sonnet-20250219"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771498390-2ybM8Jv4C2kmUegQy3HM"
upstream_id"msg_0163Yq3FkU5SkSqCfkQGbpuo"
total_cost0.030975
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags9
adverbTagCount0
adverbTags(empty)
dialogueSentences28
tagDensity0.321
leniency0.643
rawRatio0
effectiveRatio0
69.60% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1316
totalAiIsmAdverbs8
found
0
adverb"sharply"
count1
1
adverb"cautiously"
count2
2
adverb"completely"
count1
3
adverb"slightly"
count2
4
adverb"suddenly"
count1
5
adverb"quickly"
count1
highlights
0"sharply"
1"cautiously"
2"completely"
3"slightly"
4"suddenly"
5"quickly"
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)
24.01% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1316
totalAiIsms20
found
0
word"gleaming"
count1
1
word"testament"
count1
2
word"tangible"
count1
3
word"velvet"
count4
4
word"etched"
count1
5
word"footsteps"
count1
6
word"echoing"
count1
7
word"structure"
count1
8
word"standard"
count1
9
word"pulsed"
count1
10
word"firmly"
count1
11
word"silence"
count1
12
word"sanctuary"
count1
13
word"tension"
count1
14
word"raced"
count1
15
word"pulse"
count1
16
word"weight"
count1
highlights
0"gleaming"
1"testament"
2"tangible"
3"velvet"
4"etched"
5"footsteps"
6"echoing"
7"structure"
8"standard"
9"pulsed"
10"firmly"
11"silence"
12"sanctuary"
13"tension"
14"raced"
15"pulse"
16"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
emotionTells2
narrationSentences78
matches
0"n in terror"
1"e with panic"
87.91% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences78
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)
analyzedSentences94
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen45
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1299
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions0
matches(empty)
16.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions40
wordCount1019
uniqueNames10
maxNameDensity2.36
worstName"Quinn"
maxWindowNameDensity4.5
worstWindowName"Quinn"
discoveredNames
London3
Harlow1
Quinn24
Raven1
Nest1
Underground1
Morris1
Saint1
Christopher1
Herrera6
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Saint"
4"Christopher"
5"Herrera"
places
0"London"
1"Raven"
globalScore0.322
windowScore0.167
74.24% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences66
glossingSentenceCount2
matches
0"quite name"
1"shadows that seemed to cling unnaturally to their forms"
0.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords2.309
wordCount1299
matches
0"not just the normal fear of a criminal caught in the act, but something deeper"
1"not mocking, but genuinely amused, as if she'd told a charming joke at a dinn"
2"no authority but"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences94
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs45
mean28.87
std14.92
cv0.517
sampleLengths
054
146
222
341
433
534
638
722
845
955
1026
117
1254
1340
1430
1527
1643
175
1852
1910
2036
2113
2218
2319
2432
2520
2621
2737
2810
2919
309
3126
329
3319
3426
3541
3625
3710
3832
3918
4022
4141
4232
4311
4469
96.27% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences78
matches
0"been covered"
1"were obscured"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs169
matches
0"was seeing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences9
totalSentences94
ratio0.096
matches
0"The suspect—a lanky man in a dark hood—had bolted from The Raven's Nest the moment Quinn had flashed her badge."
1"Fear etched across his features—not just the normal fear of a criminal caught in the act, but something deeper."
2"The corridor inside smelled of mildew and something else—something acrid and unfamiliar that made her nostrils flare."
3"But what caught Quinn's attention wasn't the architecture—it was the glow emanating from below, accompanied by the low murmur of voices."
4"The market's patrons moved between stalls with purpose—some clearly human, others..."
5"Her partner's face flashed before her eyes—how they'd found him three years ago, his expression frozen in terror, his body completely drained of blood despite no visible wounds."
6"Dozens of eyes—some human, some decidedly not—turned toward her."
7"Laughter rippled through the crowd—not mocking, but genuinely amused, as if she'd told a charming joke at a dinner party."
8"The rain continued to pound the streets far above them, but down here in this impossible underground market, she had crossed a threshold into a London she never knew existed—a London where the rules she'd built her career upon might mean nothing at all."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount287
adjectiveStacks0
stackExamples(empty)
adverbCount6
adverbRatio0.020905923344947737
lyAdverbCount1
lyAdverbRatio0.003484320557491289
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences94
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences94
mean13.82
std7.62
cv0.551
sampleLengths
013
123
218
320
426
522
69
716
816
912
1019
112
1219
1315
1417
1512
169
1717
185
199
2010
2126
2212
2322
2421
2519
267
277
2815
2921
3018
3111
329
3320
3416
359
365
3714
3813
398
4021
4114
425
4328
4424
456
464
4714
4813
499
61.70% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.4148936170212766
totalSentences94
uniqueOpeners39
43.86% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences76
matches
0"Then she looked at Herrera,"
ratio0.013
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount12
totalSentences76
matches
0"Her breath came in controlled"
1"He stumbled over a discarded"
2"she called out, her voice"
3"Her suspect was nowhere in"
4"She spotted her suspect weaving"
5"He approached a stall where"
6"Her partner's face flashed before"
7"It had to be."
8"Her suspect backed away from"
9"He nodded slightly, his warm"
10"Her military-precise posture remained unbroken,"
11"she finally said to Herrera"
ratio0.158
38.95% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount64
totalSentences76
matches
0"Detective Harlow Quinn's boots splashed"
1"Her breath came in controlled"
2"The suspect—a lanky man in"
3"Quinn's voice cut through the"
4"Quinn followed, her right hand"
5"The alley reeked of rubbish"
6"The rain beat a relentless"
7"The suspect glanced back, his"
8"Fear etched across his features—not"
9"He stumbled over a discarded"
10"Quinn reached the door seconds"
11"The corridor inside smelled of"
12"Emergency lights cast a sickly"
13"Quinn moved cautiously now, her"
14"she called out, her voice"
15"A clatter from deeper in"
16"Quinn pressed forward, passing abandoned"
17"The building plans she'd studied"
18"The corridor abruptly opened into"
19"Her suspect was nowhere in"
ratio0.842
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences76
matches(empty)
ratio0
98.21% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount3
matches
0"Figures that moved too fluidly, bodies with proportions that defied anatomical possibility, faces with features that shifted when viewed directly."
1"Following meant stepping into unknown territory with no backup, no jurisdiction, and no understanding of the rules that governed this place."
2"The investigation had hit dead end after dead end, with evidence that made no sense and witnesses whose testimonies contradicted the laws of nature."
13.89% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags9
uselessAdditionCount2
matches
0"she called out, her voice bouncing back at her from multiple directions"
1"Quinn commanded, though her voice lacked its usual authority"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount5
fancyTags
0"she called out (call out)"
1"figure hissed (hiss)"
2"the crimson figure stated (state)"
3"Herrera continued (continue)"
4"the crimson figure announced (announce)"
dialogueSentences28
tagDensity0.214
leniency0.429
rawRatio0.833
effectiveRatio0.357
70.8439%