Run: 2026-02-19-01KHT0PSGGH47Z61TDHB0VB54D

Run Details

Duration:
18.5s
Cost:
$0.008360
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 abandoned Tube station reeked of copper and something else. Quinn stood in the mouth of the tunnel, her brown eyes tracking across the platform, cataloguing everything. Broken tile. Scattered debris from decades of neglect. And blood. Fresh blood that hadn't dried yet. Her worn leather watch caught the beam of her torch. 03:47. She'd been pulled from bed forty minutes ago. The body lay near the old ticket booth, twisted at an angle that suggested violence. Male, fifties, suit jacket shredded at the shoulder. But the injury pattern didn't match what the responding officer had told her. Constable Hayes stood near the platform's edge, shifted his weight from one foot to the other. "Multiple stab wounds," Hayes said, gesturing vaguely at the body. "Domestic dispute gone wrong, likely. The victim's ex-partner lives three blocks from here. We've got a team—" Quinn held up a hand. She approached the body without rushing, her military bearing evident in the precise placement of each step. The wounds Hayes described didn't exist. Not in the way he'd indicated. She crouched beside the corpse, careful not to disturb anything. Three lacerations across the torso. Deep. Clean. But they weren't from a blade. She ran her finger along the edge of one wound without making contact, noting the tissue separation. The flesh curled inward at precise angles. A knife would have left ragged edges where it tore through muscle and organ. These wounds had edges that looked almost cauterized. Burned. Sealed at the margins where something hot had passed through. "You're sure about the ex-partner?" Quinn stood, brushed imaginary dust from her trousers. Hayes frowned. His forehead creased in that way that suggested he'd already committed to his theory. "Pretty sure. They fought constantly. Neighbours reported it last Tuesday." Quinn walked the perimeter of the platform. The Metropolitan Police had been called at 02:15 by an anonymous tip. That detail tugged at her. Anonymous tips in abandoned Tube stations at two in the morning didn't happen for domestic disputes. People didn't stumble across those locations. Not unless they knew where to look. She found it near the far end of the platform. A bone token. Small, yellowed, carved with symbols that made her jaw clench. Three years ago, DS Morris had been investigating something in these tunnels. Beneath the city. She remembered his voice on their last call before he vanished. Static. Whispers underneath. And then nothing. "Quinn?" Hayes had followed her. "What is that?" She pulled an evidence bag from her pocket, sealed the token inside without answering. The compass in her jacket—the one she'd acquired through channels she didn't discuss—felt heavier than usual. She'd been carrying it for six months. Ever since Morris vanished, she'd started finding objects like the token. Started learning to read the ones that didn't make sense in normal cases. This wasn't a normal case. "The wound pattern," Quinn said, returning to the body. "Explain why you think a knife caused those." Hayes shifted. He pulled out his notebook, flipped through pages. "Standard penetrating injuries. The pathologist will determine exact depth and—" "The edges." Quinn knelt again, this time producing a torch from her belt. She angled it across one of the lacerations. "Look at them. Really look." Hayes bent down. His eyes narrowed. She watched the moment comprehension began and then faltered. He'd seen something wrong with his own theory but lacked the framework to understand it. "They're sealed," Hayes said slowly. "The bleeding should be worse if something that large punctured the organs." Quinn nodded. Most detectives would have missed it. Most would have accepted the obvious narrative. A man in an expensive suit found dead in an abandoned station meant crime of passion, territorial dispute, gang violence. The usual catalogue of human cruelty. But the token, the location, the wound pattern—none of it aligned with conventional violence. She stood, walked toward the tracks themselves. The third rail had no power anymore, hadn't for fifteen years. But something about the dust near it looked disturbed. As if something had moved across it recently. Deliberately. A pattern emerged in her mind. Not the pattern Hayes had constructed. A different architecture entirely. "He was brought here," Quinn said. "Not killed here." "The anonymous tip suggested—" "The anonymous tip brought us to this exact location at this exact time." Quinn turned to face Hayes. "Why? Why this station? Why now? If someone murdered their ex-partner over a domestic dispute, why arrange for the body to be discovered in the deepest part of Camden's underground?" Hayes had no answer. His silence filled the tunnel like another presence. Quinn moved toward the ticket booth. Decades of decay covered every surface. But behind the counter, beneath collapsed shelving, something caught the light. Metal. Deliberately placed. She extracted it carefully, using tweezers from her kit. A small brass compass. The casing had verdigris patina. The face bore markings that weren't cardinal directions. Protective sigils, or something approximating them. The needle didn't point north. It quivered, settling toward a direction that had no relationship to geography. "What the hell is that?" Hayes stepped closer. Quinn secured it in an evidence bag next to the bone token. Her hands remained steady. Her expression didn't shift. Eighteen years of service had taught her to absorb impossible information without flinching. "The actual crime scene," she said. "Not the body. That's secondary. Someone left us a message." Hayes opened his mouth. Closed it. Whatever he'd been taught at the academy, whatever patterns he'd learned to recognize, didn't account for what lay before them. Victims didn't arrange their own discoveries. Murderers didn't leave behind artifacts that belonged in museums or occult shops or places that officially didn't exist. Quinn's watch ticked. 04:13. The night was still young. "Get the pathologist down here," Quinn said. "And Hayes—don't mention the token or the compass to anyone else. Not yet." His hands trembled slightly as he reached for his radio. Quinn walked back to the body, studying the face of the dead man. Middle-aged. Well-maintained beard. Manicured hands. Someone with resources. Someone who'd known things. The bone token weighed against her pocket like an anchor.
created_at"2026-02-19T03:57:10.041Z" 2/19/2026, 3:57:10 AM
model"anthropic/claude-4.5-haiku-20251001"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency386
moderation_latency(null)
generation_time18400
tokens_prompt1149
tokens_completion1678
native_tokens_prompt1145
native_tokens_completion1443
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"
usage0.00836
router(null)
provider_responses
0
endpoint_id"41d2915a-92e6-4993-b537-210b4e10cba8"
id"msg_01VkdX2AJh1UcpnzrMeEBw4i"
is_byokfalse
latency386
model_permaslug"anthropic/claude-4.5-haiku-20251001"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771473430-nkTasQDvBsXDhh6MXtad"
upstream_id"msg_01VkdX2AJh1UcpnzrMeEBw4i"
total_cost0.00836
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"

Evaluation details

Result Evaluator Details Meta Data
26.09% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags11
adverbTagCount2
adverbTags
0"Quinn knelt again [again]"
1"Hayes said slowly [slowly]"
dialogueSentences23
tagDensity0.478
leniency0.957
rawRatio0.182
effectiveRatio0.174
70.82% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1028
totalAiIsmAdverbs6
found
0
adverb"really"
count1
1
adverb"slowly"
count1
2
adverb"deliberately"
count2
3
adverb"carefully"
count1
4
adverb"slightly"
count1
highlights
0"really"
1"slowly"
2"deliberately"
3"carefully"
4"slightly"
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)
61.09% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1028
totalAiIsms8
found
0
word"weight"
count1
1
word"standard"
count1
2
word"framework"
count1
3
word"aligned"
count1
4
word"constructed"
count1
5
word"silence"
count1
6
word"quivered"
count1
7
word"trembled"
count1
highlights
0"weight"
1"standard"
2"framework"
3"aligned"
4"constructed"
5"silence"
6"quivered"
7"trembled"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes narrowed"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences117
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences117
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences129
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1022
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount850
uniqueNames6
maxNameDensity1.65
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Hayes"
discoveredNames
Tube2
Hayes13
Quinn14
Metropolitan1
Police1
Morris2
persons
0"Hayes"
1"Quinn"
2"Police"
3"Morris"
places(empty)
globalScore0.676
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences70
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1022
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences129
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs37
mean27.62
std16.44
cv0.595
sampleLengths
043
119
252
327
444
513
657
713
826
953
1023
1132
128
1361
145
1517
1620
1726
1830
1917
2055
2136
2216
239
244
2548
2612
2735
2840
298
3033
3116
3250
339
3420
3535
3610
96.27% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences117
matches
0"been pulled"
1"been called"
2"been taught"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs153
matches(empty)
98.56% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences2
totalSentences129
ratio0.016
matches
0"The compass in her jacket—the one she'd acquired through channels she didn't discuss—felt heavier than usual."
1"But the token, the location, the wound pattern—none of it aligned with conventional violence."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount855
adjectiveStacks0
stackExamples(empty)
adverbCount18
adverbRatio0.021052631578947368
lyAdverbCount9
lyAdverbRatio0.010526315789473684
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences129
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences129
mean7.92
std5.12
cv0.647
sampleLengths
010
117
22
36
42
56
610
71
88
915
108
1113
1216
1310
1417
155
1617
176
186
1910
205
211
221
236
2417
257
2614
278
281
2910
3013
312
3214
3310
347
3512
365
3716
386
397
4010
413
4210
4312
443
4511
461
472
483
495
73.49% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.4645669291338583
totalSentences127
uniqueOpeners59
35.09% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences95
matches
0"Ever since Morris vanished, she'd"
ratio0.011
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount22
totalSentences95
matches
0"Her worn leather watch caught"
1"She'd been pulled from bed"
2"She approached the body without"
3"She crouched beside the corpse,"
4"She ran her finger along"
5"His forehead creased in that"
6"She found it near the"
7"She remembered his voice on"
8"She pulled an evidence bag"
9"She'd been carrying it for"
10"He pulled out his notebook,"
11"She angled it across one"
12"His eyes narrowed."
13"She watched the moment comprehension"
14"He'd seen something wrong with"
15"She stood, walked toward the"
16"His silence filled the tunnel"
17"She extracted it carefully, using"
18"It quivered, settling toward a"
19"Her hands remained steady."
ratio0.232
91.58% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount70
totalSentences95
matches
0"The abandoned Tube station reeked"
1"Quinn stood in the mouth"
2"Her worn leather watch caught"
3"She'd been pulled from bed"
4"The body lay near the"
5"Constable Hayes stood near the"
6"Hayes said, gesturing vaguely at"
7"Quinn held up a hand."
8"She approached the body without"
9"The wounds Hayes described didn't"
10"She crouched beside the corpse,"
11"She ran her finger along"
12"The flesh curled inward at"
13"A knife would have left"
14"These wounds had edges that"
15"Quinn stood, brushed imaginary dust"
16"His forehead creased in that"
17"Quinn walked the perimeter of"
18"The Metropolitan Police had been"
19"That detail tugged at her."
ratio0.737
52.63% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences95
matches
0"As if something had moved"
ratio0.011
61.22% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences35
technicalSentenceCount4
matches
0"She approached the body without rushing, her military bearing evident in the precise placement of each step."
1"His forehead creased in that way that suggested he'd already committed to his theory."
2"It quivered, settling toward a direction that had no relationship to geography."
3"Murderers didn't leave behind artifacts that belonged in museums or occult shops or places that officially didn't exist."
79.55% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags11
uselessAdditionCount1
matches
0"Quinn knelt again, this time producing a torch from her belt"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount0
fancyTags(empty)
dialogueSentences23
tagDensity0.261
leniency0.522
rawRatio0
effectiveRatio0
87.1015%