Run: 2026-02-19-01KHTR1002FNMD9BPMMFK650K4

Run Details

Duration:
37.6s
Cost:
$0.031620
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
Detective Harlow Quinn stepped under the crumbling archway of the abandoned Tube station, her shoes crunching on the debris that littered the concrete floor. Water dripped somewhere in the darkness, each drop echoing through the cavernous space with eerie precision. The forensics team had set up portable lights that cast long shadows across the curved walls, their harsh glare revealing graffiti tags that had accumulated over decades of neglect. "This is the third one this month," said a voice behind her. Detective Sergeant Palmer approached, offering her a coffee in a paper cup. "Same MO, same lack of evidence." Quinn took the cup without drinking, her eyes scanning the scene. Three uniformed officers stood huddled near what appeared to be the center of investigation – a chalk outline surrounded by numbered evidence markers. But something felt off. "Who called it in?" she asked, her gaze fixed on the chalk outline. "Anonymous tip, like the others. By the time first responders arrived, place was clean except for the body." Quinn approached the outline slowly, her movements measured with military precision. She crouched down, careful not to disturb the scene despite the fact that forensics had already combed through it. The outline indicated a body positioned on its back, arms outstretched. No blood spatter, no signs of struggle. "Time of death?" "ME puts it between midnight and 2 AM. Victim was male, mid-thirties, no ID. Cause of death appears to be exsanguination, but..." Palmer trailed off. "But there's no blood," Quinn finished, rising to her full height. She checked her worn leather watch. "And this is the third victim with the same cause of death but no physical evidence of how the blood was removed." She stepped back, taking in the entirety of the scene. The abandoned station platform stretched into darkness in both directions. Ancient tiles, some missing, others cracked, lined the walls. A disused ticket booth stood to one side, its windows smashed long ago. "Palmer, what do you see here?" she asked. The younger detective shrugged. "Homeless guy in the wrong place at the wrong time? Could be drug-related. These abandoned stations are popular spots for users." Quinn shook her head. "No drug paraphernalia. No personal belongings. No defensive wounds." She walked around the outline, examining the ground. "And look at the dust pattern." Palmer stepped closer. "What about it?" "It's undisturbed except for the area around the body." Quinn pointed to a circular pattern in the dust. "Almost as if..." "As if what?" "As if the body was placed here, not killed here." Palmer snorted. "So we're looking for a killer who exsanguinates victims elsewhere, then carefully transports bloodless corpses to abandoned Tube stations? Why go to the trouble?" Quinn didn't answer. Instead, she moved toward the ticket booth, flashlight in hand. The beam cut through layers of dust and cobwebs. Something caught her eye – a small mark etched into the concrete beside the booth. "Palmer, get me the case files from the previous two scenes," she said, kneeling to examine the mark more closely. While waiting, Quinn photographed the symbol with her phone – a circle with lines radiating outward, like a crude compass. She'd seen something similar before, but couldn't place it. Palmer returned with a tablet. "Here you go." Quinn scrolled through the images from the previous crime scenes – one in an abandoned warehouse, another in a sealed-off section of sewer tunnels. She stopped on photos of the surrounding areas. "There," she said, pointing to barely visible markings in both locations. "The same symbol." "Could be coincidence. Underground graffiti tags, urban explorers marking territory." "Three identical symbols at three crime scenes with three exsanguinated bodies?" Quinn's voice was sharp. "That's not coincidence, that's pattern." Her phone buzzed. A text from an unknown number: *Need to talk about the symbols. BP corner at Camden Lock, 20 mins. Come alone. -E* Quinn tucked the phone away. "I need to follow up on something. Keep processing the scene, and check if missing persons has anything matching our victim." "Where are you going?" Palmer asked. "To chase a lead." Twenty minutes later, Quinn stood at the designated corner, watching tourists and locals mingle in Camden's bustling market. Her hand rested near her concealed service weapon, a habit from years on the force. "Detective Quinn." The voice came from behind her. Quinn turned to find a young woman with curly red hair and round glasses, clutching a worn leather satchel to her chest. The woman tucked a strand of hair behind her left ear nervously. "Eva Kowalski," the woman said, extending her hand. "I work at the British Museum." Quinn shook it briefly. "How do you know my name? And how do you know about my case?" Eva glanced around, lowering her voice. "I've been tracking these killings. The symbols at your crime scenes – they're markers for The Veil Market." "The what?" "It's... complicated. But I can help you understand what you're dealing with." Eva opened her satchel, pulling out a small brass compass with a patina of verdigris. Its face was etched with intricate patterns that resembled the symbol from the crime scenes. Quinn's eyes narrowed. "Where did you get that?" "It's called a Veil Compass. It points to places where the boundary between worlds thins." Eva held it flat on her palm. The needle spun wildly before settling in the direction of the abandoned Tube station. "Your killer isn't human, Detective. They're using these locations because they're access points." Quinn's mind flashed to her former partner, DS Morris. His last case had ended with him vanishing in an abandoned church. The official report cited structural collapse, but they never found a body. Before he disappeared, he'd mentioned something about "things that shouldn't exist." "Access points to what exactly?" Quinn asked, her skepticism fighting with the nagging feeling that this might explain the inexplicable elements of her case. "To The Veil Market. It's an underground trading post that moves locations every full moon. They sell things you can't get in our world – including human blood." Eva's green eyes met Quinn's. "The symbols mark temporary entrances. Your victims aren't random – they're offerings." Quinn crossed her arms. "You expect me to believe my murders are connected to some supernatural black market?" Eva reached into her satchel again and pulled out a small object wrapped in cloth. She unwrapped it, revealing what appeared to be a fragment of bone carved into a token. "This gets you into the Market. Tonight's the full moon – it'll be at the Camden Tube station. If you want to catch your killer, that's where you need to be." Eva pressed the token into Quinn's hand. "Midnight. Come alone, or they'll know you're police." Quinn stared at the token. "Why are you helping me?" "Because my friend is mixed up in this world, and I'm afraid she'll be next." Eva adjusted her glasses. "The Market has rules. One is that human blood must be freely given or taken from the already deceased. Someone's breaking that rule." "And who exactly is this friend?" Eva hesitated. "Her name is Aurora. She doesn't know I'm here." She glanced at her watch. "I have to go. Midnight, Detective. Bring the token." As Eva turned to leave, Quinn grabbed her arm. "How do I know this isn't a trap?" Eva's freckled face was solemn. "Because three years ago, a detective named Morris started asking the same questions you are now. I tried to help him too." Quinn felt a chill run through her. "You knew Morris?" "Not well enough to save him. Don't make his mistake – don't go in unprepared." Eva pulled away gently. "And Detective? Whatever you do, don't tell anyone where you're going. The Market has eyes everywhere – even in your department." Quinn watched Eva disappear into the crowd, the bone token heavy in her palm and Morris's unsolved case suddenly feeling connected to her own in ways she couldn't yet understand.
created_at"2026-02-19T10:44:41.606Z" 2/19/2026, 10:44:41 AM
model"anthropic/claude-3-7-sonnet-20250219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency895
moderation_latency(null)
generation_time37490
tokens_prompt1149
tokens_completion2111
native_tokens_prompt1145
native_tokens_completion1879
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"
usage0.03162
router(null)
provider_responses
0
endpoint_id"1347c8dc-12f5-47df-8355-3ec7e80a8c67"
id"msg_01QkJA12CHd9aTaghFxbBDPF"
is_byokfalse
latency895
model_permaslug"anthropic/claude-3-7-sonnet-20250219"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771497881-xCxAr4a8I8pusyxVJHK3"
upstream_id"msg_01QkJA12CHd9aTaghFxbBDPF"
total_cost0.03162
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
totalTags19
adverbTagCount2
adverbTags
0"She walked around [around]"
1"Eva pulled away [away]"
dialogueSentences56
tagDensity0.339
leniency0.679
rawRatio0.105
effectiveRatio0.071
81.09% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1322
totalAiIsmAdverbs5
found
0
adverb"slowly"
count1
1
adverb"carefully"
count1
2
adverb"nervously"
count1
3
adverb"gently"
count1
4
adverb"suddenly"
count1
highlights
0"slowly"
1"carefully"
2"nervously"
3"gently"
4"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)
73.52% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1322
totalAiIsms7
found
0
word"echoing"
count1
1
word"scanning"
count1
2
word"measured"
count1
3
word"etched"
count2
4
word"intricate"
count1
5
word"chill"
count1
highlights
0"echoing"
1"scanning"
2"measured"
3"etched"
4"intricate"
5"chill"
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
emotionTells1
narrationSentences78
matches
0"felt a chill"
69.60% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences78
filterMatches
0"watch"
hedgeMatches
0"appeared to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences113
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords16
totalWords1329
ratio0.012
matches
0"Need to talk about the symbols. BP corner at Camden Lock, 20 mins. Come alone. -E"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions13
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount749
uniqueNames11
maxNameDensity3.2
worstName"Quinn"
maxWindowNameDensity5
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn24
Tube2
Detective2
Sergeant1
Palmer6
Camden2
Lock1
Twenty1
Morris2
Eva12
persons
0"Harlow"
1"Quinn"
2"Detective"
3"Sergeant"
4"Palmer"
5"Morris"
6"Eva"
places
0"Camden"
globalScore0
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences52
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1329
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences113
matches
0"lights that cast"
1"feeling that this"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs54
mean24.61
std15.24
cv0.619
sampleLengths
069
130
238
313
418
548
63
725
839
942
108
1125
1227
136
1421
153
1610
1726
1837
1920
2029
218
2246
2310
2420
2525
2626
276
284
2933
302
3140
3214
3318
3424
352
3642
378
3849
3944
4024
4145
4218
4331
4446
4510
4642
476
4825
4917
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences78
matches
0"was etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs145
matches(empty)
41.72% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences4
totalSentences113
ratio0.035
matches
0"Three uniformed officers stood huddled near what appeared to be the center of investigation – a chalk outline surrounded by numbered evidence markers."
1"Something caught her eye – a small mark etched into the concrete beside the booth."
2"While waiting, Quinn photographed the symbol with her phone – a circle with lines radiating outward, like a crude compass."
3"Quinn scrolled through the images from the previous crime scenes – one in an abandoned warehouse, another in a sealed-off section of sewer tunnels."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount746
adjectiveStacks0
stackExamples(empty)
adverbCount18
adverbRatio0.024128686327077747
lyAdverbCount9
lyAdverbRatio0.012064343163538873
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences113
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences113
mean11.76
std7.8
cv0.663
sampleLengths
024
116
229
312
412
56
611
723
84
913
1018
1111
1219
1311
147
153
1625
1711
186
1922
2010
2110
229
2313
248
254
2621
274
2817
296
303
313
3218
333
343
3510
362
3724
383
3910
409
4115
4220
4320
449
455
463
4724
488
4911
74.34% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats1
diversityRatio0.45132743362831856
totalSentences113
uniqueOpeners51
46.30% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences72
matches
0"Instead, she moved toward the"
ratio0.014
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount15
totalSentences72
matches
0"she asked, her gaze fixed"
1"She crouched down, careful not"
2"She checked her worn leather"
3"She stepped back, taking in"
4"She walked around the outline,"
5"she said, kneeling to examine"
6"She'd seen something similar before,"
7"She stopped on photos of"
8"she said, pointing to barely"
9"Her phone buzzed."
10"Her hand rested near her"
11"Its face was etched with"
12"His last case had ended"
13"She unwrapped it, revealing what"
14"She glanced at her watch"
ratio0.208
29.44% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount62
totalSentences72
matches
0"Detective Harlow Quinn stepped under"
1"Water dripped somewhere in the"
2"The forensics team had set"
3"Detective Sergeant Palmer approached, offering"
4"Quinn took the cup without"
5"she asked, her gaze fixed"
6"Quinn approached the outline slowly,"
7"She crouched down, careful not"
8"The outline indicated a body"
9"Palmer trailed off"
10"Quinn finished, rising to her"
11"She checked her worn leather"
12"She stepped back, taking in"
13"The abandoned station platform stretched"
14"A disused ticket booth stood"
15"The younger detective shrugged."
16"Quinn shook her head."
17"She walked around the outline,"
18"Palmer stepped closer."
19"Quinn pointed to a circular"
ratio0.861
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences72
matches
0"While waiting, Quinn photographed the"
1"Before he disappeared, he'd mentioned"
ratio0.028
91.84% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences28
technicalSentenceCount2
matches
0"Detective Harlow Quinn stepped under the crumbling archway of the abandoned Tube station, her shoes crunching on the debris that littered the concrete floor."
1"Quinn took the cup without drinking, her eyes scanning the scene."
98.68% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags19
uselessAdditionCount1
matches
0"she said, kneeling to examine the mark more closely"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount1
fancyTags
0"Eva pressed (press)"
dialogueSentences56
tagDensity0.143
leniency0.286
rawRatio0.125
effectiveRatio0.036
86.8843%