Run: 2026-02-19-01KHSYZHF1ZYMCCY5TJGN1K0VS

Run Details

Duration:
11.1s
Cost:
$0.002350
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="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 gray predawn light was just starting to filter through the cracked windows of the abandoned Tube station as Detective Harlow Quinn ducked under the police tape and stepped inside. Her boots crunched on the debris-strewn floor as she surveyed the scene, her sharp eyes taking in every detail. The body lay crumpled in the center of the vast, empty space, surrounded by a pool of dark blood. Harlow recognized the victim immediately - it was Alec Bellerose, a known associate of the supernatural clique she'd been investigating. The young man had been brutally stabbed, his clothes torn and his skin covered in strange markings. Harlow's partner, DS Liam Tate, approached her, his face grim. "We got an anonymous tip about the body about an hour ago," he said. "Looks like a real messy one." "Any witnesses?" Harlow asked, her gaze fixed on the body. Liam shook his head. "Not yet. Forensics is still combing the area, but so far it's a ghost town down here." He gestured around the cavernous space. "This place is giving me the creeps, to be honest. I've heard the stories about the Veil Market, but I never expected to actually find a body here." Harlow nodded, unsurprised. The Veil Market was a legendary supernatural black market, hidden away in the labyrinth of abandoned Tube stations beneath the city. Accessing it required a special token, and the market's location was said to shift with each full moon. It was a place of shadows and secrets, and Harlow had long suspected it was connected to the strange occult activities of the clique she'd been investigating. "Well, let's see what we can find," she said, stepping closer to the body. As she knelt down, she noticed something glinting in the dim light - a small brass compass, its face etched with strange symbols. Reaching out, she carefully picked it up, turning it over in her hand. "What do you make of that?" Liam asked, peering over her shoulder. "I'm not sure," Harlow murmured, frowning. "But it seems out of place. None of the victim's personal effects are scattered around, and this is the only unusual item I can see." Just then, a voice called out from across the station. "Detective Quinn! I'm glad you're here." Harlow looked up to see a young woman hurrying towards them, her red curls bouncing and her round glasses slipping down her nose. It was Eva Kowalski, the research assistant from the British Museum who had been assisting Harlow with her investigation. "Eva," Harlow greeted her, rising to her feet. "What are you doing here?" "I got your message," Eva said breathlessly, adjusting her glasses. "You said you needed my help at a crime scene, and I recognized the location as the Veil Market. I, uh, I've been doing some research on it, and I thought I might be able to offer some insights." Harlow arched an eyebrow. "Research, hm?" She glanced down at the brass compass in her hand. "Well, your timing is impeccable. I found this near the body, and I was just about to take a closer look." Eva's eyes widened as Harlow held out the compass. "The Veil Compass," she breathed, reaching out to gently take it. "This is incredible. I've only ever seen illustrations of these - they're said to be crafted by Shade artisans, and they can sense the presence of supernatural rifts or portals." Harlow watched as Eva carefully examined the compass, her fingers tracing the protective sigils etched into the face. "So you think this is significant, then?" she asked. Eva nodded emphatically. "Absolutely. The Veil Market is said to be a nexus of supernatural activity, and this compass would be invaluable for navigating it. Whoever killed Alec Bellerose might have been after it." Liam cleared his throat, drawing their attention. "So what you're saying is, this could be more than just a simple murder?" he asked, his brow furrowed. "That's exactly what I'm saying," Eva replied, her green eyes bright with excitement. "The Veil Market is a dangerous place, full of powerful and unpredictable forces. Whoever killed Alec may have been after something more than just money or revenge." Harlow studied the young woman's face, seeing the eager gleam in her eyes. Eva had been an invaluable asset in her investigation, but Harlow couldn't help but wonder if the girl's fascination with the occult was clouding her judgement. "Alright, let's not get ahead of ourselves," she said firmly. "We still need to gather more evidence before we start making assumptions. Liam, have the forensics team take a close look at that compass. See if they can find any clues." Liam nodded, gently taking the compass from Eva's hands. "On it," he said, turning to relay the instructions to the techs. Harlow stepped closer to Eva, her voice lowering. "You said you've been researching the Veil Market. What else can you tell me?" Eva's face lit up, and Harlow could see the wheels turning in her mind. "Well, as I mentioned, it's a hub of supernatural activity - everything from rare alchemical ingredients to enchanted artifacts are said to change hands there. But it's also a dangerous place, guarded by powerful forces. Only those with a special token are allowed entry, and the location shifts with each full moon to prevent outsiders from discovering it." Harlow nodded, her gaze drifting back to the body. "And what about this 'Shade' you mentioned? Who are they?" "The Shades are a mysterious group of supernatural beings who are said to control the Veil Market," Eva explained, her voice hushed. "They're like the guardians or caretakers of the place, although no one really knows the full extent of their powers or their agenda." Harlow's brow furrowed as she considered this new information. If the Shades were indeed involved, then Alec Bellerose's murder was likely far more complex than a simple act of violence. She had a sinking feeling that the case was about to become a lot more complicated. "Alright, let's get the body to the morgue and see what the coroner can tell us," she said, turning to Liam. "In the meantime, Eva, I'd like you to dig deeper into what you know about the Veil Market and these 'Shades'. Anything you can find might be crucial." Eva nodded eagerly, already pulling a small notebook from her satchel. "I'm on it, Detective," she said, her brow furrowed in concentration. As Harlow watched the young woman hurry off, she couldn't shake the feeling that they were on the verge of uncovering something much bigger than just a simple murder. With a deep breath, she turned her attention back to the crime scene, her mind racing as she tried to piece together the puzzle before her.
created_at"2026-02-19T03:26:59.561Z" 2/19/2026, 3:26:59 AM
model"anthropic/claude-3-haiku"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency325
moderation_latency(null)
generation_time11002
tokens_prompt1149
tokens_completion1696
native_tokens_prompt1145
native_tokens_completion1651
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"
usage0.00235
router(null)
provider_responses
0
endpoint_id"8661a1db-b0cf-4eb2-ba04-c2a79f698682"
id"msg_01Dvqynu2YaeV1wxX8No4bgf"
is_byokfalse
latency325
model_permaslug"anthropic/claude-3-haiku"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771471619-KIuOyYF3WcNJGOFZcV8d"
upstream_id"msg_01Dvqynu2YaeV1wxX8No4bgf"
total_cost0.00235
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
33.33% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags18
adverbTagCount3
adverbTags
0"He gestured around [around]"
1"Eva said breathlessly [breathlessly]"
2"she said firmly [firmly]"
dialogueSentences34
tagDensity0.529
leniency1
rawRatio0.167
effectiveRatio0.167
73.31% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1124
totalAiIsmAdverbs6
found
0
adverb"carefully"
count2
1
adverb"gently"
count2
2
adverb"really"
count1
3
adverb"eagerly"
count1
highlights
0"carefully"
1"gently"
2"really"
3"eagerly"
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)
42.17% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1124
totalAiIsms13
found
0
word"glinting"
count1
1
word"etched"
count2
2
word"eyebrow"
count1
3
word"tracing"
count1
4
word"absolutely"
count1
5
word"navigating"
count1
6
word"furrowed"
count3
7
word"firmly"
count1
8
word"complex"
count1
9
word"racing"
count1
highlights
0"glinting"
1"etched"
2"eyebrow"
3"tracing"
4"absolutely"
5"navigating"
6"furrowed"
7"firmly"
8"complex"
9"racing"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"eyes widened/narrowed"
count1
1
label"couldn't help but"
count1
highlights
0"eyes widened"
1"couldn't help but wonder"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells1
narrationSentences51
matches
0"t with excitement"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences51
filterMatches(empty)
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences67
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen57
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1127
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions20
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions53
wordCount616
uniqueNames15
maxNameDensity3.25
worstName"Harlow"
maxWindowNameDensity5.5
worstWindowName"Harlow"
discoveredNames
Tube2
Detective1
Harlow20
Quinn1
Alec2
Bellerose2
Liam6
Tate1
Veil1
Market1
Eva12
Kowalski1
British1
Museum1
Shades1
persons
0"Harlow"
1"Quinn"
2"Alec"
3"Bellerose"
4"Liam"
5"Tate"
6"Market"
7"Eva"
8"Kowalski"
places
0"British"
globalScore0
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences40
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1127
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences67
matches(empty)
80.82% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean37.57
std16.26
cv0.433
sampleLengths
049
156
230
310
455
569
650
712
831
916
1042
1113
1249
1337
1450
1527
1634
1726
1840
1939
2041
2121
2222
2372
2419
2545
2646
2749
2822
2955
91.50% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences51
matches
0"was said"
1"was connected"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs116
matches
0"was clouding"
57.57% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences67
ratio0.03
matches
0"Harlow recognized the victim immediately - it was Alec Bellerose, a known associate of the supernatural clique she'd been investigating."
1"As she knelt down, she noticed something glinting in the dim light - a small brass compass, its face etched with strange symbols."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount615
adjectiveStacks2
stackExamples
0"legendary supernatural black market,"
1"likely far more complex"
adverbCount23
adverbRatio0.03739837398373984
lyAdverbCount11
lyAdverbRatio0.01788617886178862
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences67
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences67
mean16.82
std9.73
cv0.579
sampleLengths
030
119
219
320
417
510
614
76
810
94
1023
1128
123
1321
1418
1527
1614
1723
1813
1912
206
2125
2210
236
2423
2519
268
275
2810
2939
304
3112
3221
339
3411
3530
3618
379
383
3931
407
4119
4213
4327
4413
4526
4610
4731
489
4912
82.09% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats0
diversityRatio0.4925373134328358
totalSentences67
uniqueOpeners33
68.03% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences49
matches
0"Just then, a voice called"
ratio0.02
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount13
totalSentences49
matches
0"Her boots crunched on the"
1"He gestured around the cavernous"
2"It was a place of"
3"she said, stepping closer to"
4"It was Eva Kowalski, the"
5"She glanced down at the"
6"she breathed, reaching out to"
7"he asked, his brow furrowed"
8"she said firmly"
9"he said, turning to relay"
10"She had a sinking feeling"
11"she said, turning to Liam"
12"she said, her brow furrowed"
ratio0.265
31.43% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount42
totalSentences49
matches
0"The gray predawn light was"
1"Her boots crunched on the"
2"The body lay crumpled in"
3"Harlow recognized the victim immediately"
4"The young man had been"
5"Harlow's partner, DS Liam Tate,"
6"Harlow asked, her gaze fixed"
7"Liam shook his head."
8"He gestured around the cavernous"
9"Harlow nodded, unsurprised."
10"The Veil Market was a"
11"It was a place of"
12"she said, stepping closer to"
13"Liam asked, peering over her"
14"Harlow murmured, frowning"
15"Harlow looked up to see"
16"It was Eva Kowalski, the"
17"Harlow greeted her, rising to"
18"Eva said breathlessly, adjusting her"
19"Harlow arched an eyebrow."
ratio0.857
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences49
matches
0"If the Shades were indeed"
ratio0.02
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences23
technicalSentenceCount1
matches
0"It was Eva Kowalski, the research assistant from the British Museum who had been assisting Harlow with her investigation."
41.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags18
uselessAdditionCount3
matches
0"he asked, his brow furrowed"
1"Eva replied, her green eyes bright with excitement"
2"Eva explained, her voice hushed"
61.76% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags15
fancyCount3
fancyTags
0"Harlow murmured (murmur)"
1"she breathed (breathe)"
2"Eva explained (explain)"
dialogueSentences34
tagDensity0.441
leniency0.882
rawRatio0.2
effectiveRatio0.176
80.6117%