Run: 2026-02-19-01KHTRN1TZR9GCF1AKXPTQCN42

Run Details

Duration:
43.0s
Cost:
$0.033975
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
Detective Harlow Quinn hated the rain. The summer downpour soaked through her jacket as she sprinted after the hooded figure weaving through the late-night pedestrians of Camden. Her breathing came in measured bursts, military precision even in pursuit. Eighteen years on the force had taught her to conserve energy. "Police! Stop!" she shouted, knowing it was useless. They never stopped. The suspect darted down an alley, sending a stack of wooden crates crashing behind him. Quinn vaulted over the obstacle, her worn leather watch catching the glow of a street lamp as she landed. Three months of surveillance on The Raven's Nest had finally yielded something tangible. The secretive back-room meetings, the strange clientele, the whispered conversations that stopped whenever she approached – all pointing to something bigger than the typical Soho bar scene. And now one of the regulars had panicked when he spotted her, taking off like he had the devil at his heels. Maybe he did. Quinn skidded around the corner, boots splashing through puddles that reflected fractured neon signs. The suspect was thirty yards ahead, heading toward the old Camden Town station entrance. Closed for renovations, supposedly. But Quinn had noticed a pattern of peculiar foot traffic there during full moons. Tonight was a full moon. "Metropolitan Police! Last warning!" Her voice echoed off brick walls as she closed the distance. The suspect glanced back, his face momentarily illuminated by a streetlight. Young, terrified, clutching something in his right hand. Not a weapon – something small and white. He disappeared down the station steps. Quinn slowed as she approached the entrance. Chain-link fencing surrounded the station, but a person-sized gap had been cut near the steps. Construction equipment sat dormant, tarpaulins flapping in the rain. No workers in sight at this hour. She drew her service weapon, switching on the tactical light. Standard procedure would be to call for backup. But backup meant explanations, and she had precious little to explain. Three years of chasing shadows since DS Morris vanished during that warehouse raid. Three years of incident reports filed away as "unexplained circumstances." Three years of whispers from colleagues about Quinn losing her edge, losing her mind. Not tonight. She ducked through the gap in the fence and descended into the darkness of the station. The stairwell smelled of mildew and something else – incense, perhaps, or exotic spices. Her tactical light cut through the gloom, illuminating abandoned turnstiles and closed security shutters. A movement caught her eye – the suspect slipping through a maintenance door. Quinn followed, finding herself in a service tunnel. The walls were lined with ancient pipes and modern fiber optic cables. Water dripped from the ceiling, creating percussion against the concrete floor. The tunnel curved downward, spiraling deeper than any Tube station should go. Quinn checked her watch – twenty minutes since the chase began. She'd lost radio contact fifteen minutes ago. Voices echoed ahead, growing louder as she advanced. Not construction workers. Not transport employees. The cadence was all wrong – a marketplace hum, dozens of conversations overlapping. The tunnel opened into what should have been an ordinary platform but instead revealed a sprawling bazaar. Makeshift stalls lined what had once been train tracks, illuminated by strings of mismatched lights. Vendors called out wares in languages Quinn recognized and some she didn't. The air was thick with competing scents – spiced meats, burning herbs, metallic tang. The Veil Market. She'd heard whispers about it during interrogations, always dismissed as junkie folklore. Yet here it stood, hidden beneath London's streets. Her suspect had vanished into the crowd. Hundreds of people – no, not all people – moved between stalls. Quinn blinked, trying to process what she was seeing. A woman with scaled skin. A man with eyes that reflected light like a cat's. A child floating several inches above the ground. Quinn kept her weapon low but ready, badge visible on her belt as she pushed into the market. Eyes turned toward her – hostile, fearful, curious. Conversations died as she passed, resuming in hushed tones behind her. "You're out of your jurisdiction, Detective." A voice at her elbow made her turn. Tomás Herrera stood beside a stall selling glass vials of luminescent liquid. His Saint Christopher medallion caught the light as he folded his arms across his chest. The scar along his left forearm was vivid against his olive skin. "Herrera." Quinn kept her voice level. "You're on my persons of interest list." "I'm flattered." His Spanish accent thickened as he stepped closer. "But you shouldn't be here. Some boundaries aren't meant to be crossed by your kind." "My kind being the law?" "Your kind being the uninitiated." Tomás glanced around at the market. "This isn't a place for someone who only believes what she can explain." A commotion erupted near the far end of the platform. Quinn spotted her suspect arguing with a hooded vendor, the small white object – now clearly a carved token of some kind – clutched in his fist. "I need to question that man." Tomás placed a hand on her arm. "Detective Quinn, listen to me. Three years ago, your partner didn't just disappear. He saw something at that warehouse, something he couldn't reconcile with his understanding of the world. It broke him." Quinn's blood ran cold. "What do you know about Morris?" "I treated him, after. Before he..." Tomás trailed off. "There are things in London older than your police force, Detective. Older than your government. They existed in the shadows before and will continue long after." The suspect was moving again, heading deeper into the market where the lights grew dimmer and the stalls more bizarre. Quinn saw cages containing impossibilities, heard sounds no human throat should produce. "That boy stole something from my clinic," Tomás explained. "A bone token – it grants entry to the Market. He's trying to sell it, but without proper introduction, he'll anger the wrong entity." Quinn pulled away from Tomás's grip. "Then I'm doing him a favor by arresting him." "You don't understand. The Market has its own justice system. If you pursue him into the deep market with that badge and gun, you'll trigger protocols established centuries ago. They'll see it as an invasion." Rain continued to drip from Quinn's jacket, forming a small puddle at her feet. The weight of her service weapon felt suddenly inadequate against the unknown expanse before her. Her sharp jaw clenched as she considered her options. The suspect disappeared behind a curtain of what looked like living smoke. Beyond it, shadows moved that defied anatomical logic. Voices spoke in harmonies that made her teeth ache. "What happened to Morris?" Quinn demanded, turning back to Tomás. "Tell me the truth." Tomás's warm brown eyes held genuine concern. "He saw the truth of London's underbelly. The city has layers, Detective. You've spent your career policing just one. Morris glimpsed another and couldn't reconcile them." Quinn thought of her partner's empty desk. The case files growing cold. The nightmares that plagued her, where Morris called for help from places that couldn't exist. "I can help you understand," Tomás continued, "but not like this. Not with you charging in with a gun and that military bearing of yours. There are protocols, introductions to be made." The suspect was long gone now, swallowed by the deeper market. Quinn holstered her weapon, decision made. "Take me to The Raven's Nest tomorrow night. That hidden back room behind the bookshelf – yes, I know about it. You'll explain everything, including what happened to Morris." Tomás didn't bother denying knowledge of the bar's secret room. He simply nodded, relief evident in his expression. "And Herrera," Quinn added, her closely cropped salt-and-pepper hair dripping rainwater as she leaned in, "if I find out you're involved in Morris's disappearance, there's no place in this world or whatever other worlds might exist where you can hide from me." "Fair enough, Detective." Tomás touched his Saint Christopher medallion. "Tomorrow night then. Come alone, unarmed." Quinn's brown eyes narrowed. "Don't push your luck." She turned back toward the tunnel entrance, feeling the weight of countless eyes following her departure. The chase had ended, but something else had begun. Something that might finally explain the inexplicable circumstances that had haunted her for three years. As she climbed back toward the world she understood, Quinn knew she was leaving behind simple certainties. Whatever waited in the secret room of The Raven's Nest tomorrow night would change everything. The question was whether she was ready for answers that defied explanation. The rain continued to fall on the streets above, washing away the boundaries between worlds that had never been as solid as she'd believed.
created_at"2026-02-19T10:55:38.852Z" 2/19/2026, 10:55:38 AM
model"anthropic/claude-3-7-sonnet-20250219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency606
moderation_latency(null)
generation_time42915
tokens_prompt1140
tokens_completion2361
native_tokens_prompt1125
native_tokens_completion2040
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"
usage0.033975
router(null)
provider_responses
0
endpoint_id"1347c8dc-12f5-47df-8355-3ec7e80a8c67"
id"msg_01RhhZK1cLyLsoEXttjgkZuB"
is_byokfalse
latency606
model_permaslug"anthropic/claude-3-7-sonnet-20250219"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771498538-C0xs4WPG0yCLzH88LsPw"
upstream_id"msg_01RhhZK1cLyLsoEXttjgkZuB"
total_cost0.033975
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
totalTags13
adverbTagCount1
adverbTags
0"Tomás glanced around [around]"
dialogueSentences29
tagDensity0.448
leniency0.897
rawRatio0.077
effectiveRatio0.069
96.53% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1442
totalAiIsmAdverbs1
found
0
adverb"suddenly"
count1
highlights
0"suddenly"
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)
65.33% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1442
totalAiIsms10
found
0
word"measured"
count1
1
word"tangible"
count1
2
word"fractured"
count1
3
word"echoed"
count2
4
word"standard"
count1
5
word"gloom"
count1
6
word"weight"
count2
7
word"jaw clenched"
count1
highlights
0"measured"
1"tangible"
2"fractured"
3"echoed"
4"standard"
5"gloom"
6"weight"
7"jaw clenched"
0.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches4
maxInWindow4
found
0
label"blood ran cold"
count1
1
label"eyes widened/narrowed"
count1
2
label"jaw/fists clenched"
count1
3
label"air was thick with"
count1
highlights
0"blood ran cold"
1"eyes narrowed"
2"jaw clenched"
3"The air was thick with"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences104
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences104
filterMatches
0"watch"
1"watch –"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences120
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1450
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions17
unquotedAttributions0
matches(empty)
33.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions59
wordCount1102
uniqueNames18
maxNameDensity2.09
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn23
Camden2
Raven2
Nest2
Soho1
Town1
Morris2
Three4
Tube1
Veil1
Market1
London1
Tomás11
Herrera1
Saint2
Christopher2
Spanish1
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Nest"
4"Morris"
5"Tomás"
6"Herrera"
7"Saint"
8"Christopher"
places
0"Camden"
1"Soho"
2"Town"
3"Market"
4"London"
globalScore0.456
windowScore0.333
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences88
glossingSentenceCount1
matches
0"looked like living smoke"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1450
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences120
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs50
mean29
std15.47
cv0.534
sampleLengths
049
111
234
362
43
546
65
715
833
938
1066
112
1244
1344
1430
1527
1658
1723
1851
1937
2014
2139
2213
2325
245
2524
2637
276
2839
2910
3035
3132
3233
3315
3435
3538
3629
3714
3833
3927
4032
4117
4229
4318
4442
4515
468
4740
4844
4924
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences104
matches
0"were lined"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs200
matches
0"was seeing"
1"was leaving"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount0
flaggedSentences10
totalSentences120
ratio0.083
matches
0"The secretive back-room meetings, the strange clientele, the whispered conversations that stopped whenever she approached – all pointing to something bigger than the typical Soho bar scene."
1"Not a weapon – something small and white."
2"The stairwell smelled of mildew and something else – incense, perhaps, or exotic spices."
3"A movement caught her eye – the suspect slipping through a maintenance door."
4"Quinn checked her watch – twenty minutes since the chase began."
5"The cadence was all wrong – a marketplace hum, dozens of conversations overlapping."
6"The air was thick with competing scents – spiced meats, burning herbs, metallic tang."
7"Hundreds of people – no, not all people – moved between stalls."
8"Eyes turned toward her – hostile, fearful, curious."
9"Quinn spotted her suspect arguing with a hooded vendor, the small white object – now clearly a carved token of some kind – clutched in his fist."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1096
adjectiveStacks0
stackExamples(empty)
adverbCount26
adverbRatio0.023722627737226276
lyAdverbCount8
lyAdverbRatio0.0072992700729927005
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences120
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences120
mean12.08
std7.15
cv0.591
sampleLengths
06
121
211
311
48
53
615
719
813
927
1022
113
1214
1314
144
1514
165
1715
1811
198
208
216
227
2315
249
257
2610
278
2811
2913
3024
312
3216
3314
3414
3513
368
3712
3811
3912
4011
417
428
433
443
4513
4617
4715
4812
4914
66.94% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.44166666666666665
totalSentences120
uniqueOpeners53
33.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences101
matches
0"Maybe he did."
ratio0.01
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount16
totalSentences101
matches
0"Her breathing came in measured"
1"she shouted, knowing it was"
2"They never stopped."
3"Her voice echoed off brick"
4"He disappeared down the station"
5"She drew her service weapon,"
6"She ducked through the gap"
7"Her tactical light cut through"
8"She'd lost radio contact fifteen"
9"She'd heard whispers about it"
10"Her suspect had vanished into"
11"His Saint Christopher medallion caught"
12"His Spanish accent thickened as"
13"Her sharp jaw clenched as"
14"He simply nodded, relief evident"
15"She turned back toward the"
ratio0.158
59.01% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount81
totalSentences101
matches
0"Detective Harlow Quinn hated the"
1"The summer downpour soaked through"
2"Her breathing came in measured"
3"she shouted, knowing it was"
4"They never stopped."
5"The suspect darted down an"
6"Quinn vaulted over the obstacle,"
7"The secretive back-room meetings, the"
8"Quinn skidded around the corner,"
9"The suspect was thirty yards"
10"Tonight was a full moon."
11"Her voice echoed off brick"
12"The suspect glanced back, his"
13"He disappeared down the station"
14"Quinn slowed as she approached"
15"Construction equipment sat dormant, tarpaulins"
16"She drew her service weapon,"
17"She ducked through the gap"
18"The stairwell smelled of mildew"
19"Her tactical light cut through"
ratio0.802
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences101
matches(empty)
ratio0
88.95% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences53
technicalSentenceCount4
matches
0"The secretive back-room meetings, the strange clientele, the whispered conversations that stopped whenever she approached – all pointing to something bigger tha…"
1"Quinn skidded around the corner, boots splashing through puddles that reflected fractured neon signs."
2"Something that might finally explain the inexplicable circumstances that had haunted her for three years."
3"The rain continued to fall on the streets above, washing away the boundaries between worlds that had never been as solid as she'd believed."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags13
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount5
fancyTags
0"she shouted (shout)"
1"Tomás explained (explain)"
2"Quinn demanded (demand)"
3"Tomás continued (continue)"
4"Quinn added (add)"
dialogueSentences29
tagDensity0.172
leniency0.345
rawRatio1
effectiveRatio0.345
78.1033%