Run: 2026-02-19-01KHTR5FEVQ07ZZTPYC4JJ7P8Z

Run Details

Duration:
37.4s
Cost:
$0.030510
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 ducked under the yellow tape stretched across the entrance to Camden Town's abandoned tube station, the beam of her torch cutting through the darkness as she descended the crumbling stairs. Water dripped somewhere in the distance, the sound echoing against tiled walls covered in decades of grime. The crime scene unit had set up portable lights, casting harsh shadows that made the cavernous space feel like a theatre set for some macabre play. "About time you showed up, Quinn." Detective Sergeant Palmer emerged from behind a column, his face haggard under the unforgiving lights. "Thought you might sit this one out after what happened in Brixton last month." Quinn ignored the jab. Palmer had been gunning for her position since she'd made DI two years ago. "Fill me in." "Male victim, mid-thirties. No ID yet. Blunt force trauma to the skull. Looks like a robbery gone wrong." Palmer gestured toward the far wall where forensic technicians worked around a body. "Found his wallet empty about twenty feet away." Quinn's eyes narrowed as she scanned the surroundings. The abandoned station had been sealed off for decades, yet there were clear signs of recent activity—fresh graffiti tags, discarded food wrappers, and oddly, what looked like merchant stalls hastily dismantled. "Who found him?" "Transport maintenance worker. They're doing structural assessments of the abandoned network." Palmer checked his notes. "Says he gained access through a maintenance tunnel and stumbled upon our vic around 0600 hours." Quinn approached the body, pulling on latex gloves with practiced precision. The victim lay face down on the platform, blood pooled around his head and congealed on the dusty concrete. She crouched beside the body, her worn leather watch catching the light as she examined the wound without touching it. "Something's off about this scene." She rose, her gaze methodically taking in every detail. "If this was a robbery, why bring him down here? There's easier places to mug someone." Palmer shrugged. "Homeless guy, maybe? Could've been living down here." "In designer shoes?" Quinn pointed to the victim's feet. "Those are Louboutins. And his clothes are too clean for someone sleeping rough." She circled the body, noting the absence of dust on the victim's coat despite the grimy surroundings. "He hasn't been here long. And look at the blood pattern." She gestured to the dark stain. "It's contained, not spattered. He was killed elsewhere and placed here." "Come on, Quinn. Not everything's a conspiracy." Palmer rolled his eyes. "Guy probably wandered in drunk, got jumped, hit his head when he fell." Quinn pulled back the victim's collar with a pen, revealing a small tattoo—a symbol she didn't recognize but that sent a chill up her spine. It reminded her of the markings found on Morris three years ago. "Did you find anything else on him?" "Just this." Palmer handed her an evidence bag containing a small brass compass. Its face was etched with intricate markings, and an unusual patina of verdigris coated its casing. "Weird little trinket. Doesn't even point north." Quinn studied it through the plastic, noting how the needle quivered and seemed to point directly into the darkest tunnel of the station. Something about it tugged at the edges of her memory—a case file she'd glimpsed in the restricted archives when searching for answers about Morris. "I need this analyzed right away. And I want soil samples from his shoes, full tox screen, and trace evidence from his clothing." Palmer scoffed. "For a mugging? Budget's tight enough without—" "This wasn't a mugging, Palmer." Quinn cut him off, moving toward the tunnel where the compass needle pointed. "And this isn't a random location." Her torch beam revealed something the crime scene unit had missed—a faint line of symbols etched into the wall, nearly invisible unless viewed from a specific angle. The same symbols that appeared on the compass. "Quinn, you're reaching again." Palmer's voice echoed behind her. "Like that case in Whitechapel. You nearly got suspended." "I was right about Whitechapel." She didn't look back at him, her attention fixed on the wall. "You claimed the killer used 'blood magic.' The Commissioner thought you were having a breakdown." Quinn ran her fingers over the etchings, feeling a slight vibration beneath her touch. "We need to expand the search perimeter into this tunnel." "There's nothing down there. It's blocked off a hundred meters in—collapsed decades ago." "Then why are there fresh footprints in the dust leading that way?" She pointed to faint tracks that bypassed the crime scene, heading deeper into the darkness. Palmer reluctantly joined her, shining his own torch on the floor. "Could be from urban explorers. They're always breaking in to these places." "In perfect oxfords?" Quinn indicated the distinctive print pattern. "Look at the depth and clarity. These were made recently, by someone carrying something heavy." She followed the tracks to a section of wall that seemed unremarkable at first glance. But as she examined it closer, she noticed minute discrepancies in the century-old tilework. "Get me a crowbar." "Quinn, you can't just start tearing up a historical—" She silenced him with a look that had made hardened criminals confess. A junior officer hurried over with the requested tool. With calculated precision, Quinn wedged the crowbar into a nearly invisible seam and applied pressure. The wall made a faint clicking sound, and a section swung inward, revealing a narrow passage. "Impossible." Palmer's whisper echoed in the sudden silence. "That's not on any of the station blueprints." The passage beyond was illuminated by faint, phosphorescent markings along the walls. Quinn stepped forward, the compass in the evidence bag now spinning wildly. "This is why he was killed here," she said, more to herself than to Palmer. "He found this." The passage opened into a larger chamber that showed clear signs of recent occupation. Wooden stalls had been dismantled, but traces remained—scattered merchandise, dropped coins of unfamiliar metals, and the lingering scent of incense and something else Quinn couldn't identify. "What the hell is this place?" Palmer's voice had lost its skepticism, replaced by uneasy wonder. Quinn spotted a dropped card near one of the stall locations. She carefully picked it up with tweezers from her pocket kit. On it was printed: "The Veil Market—Next Location: Waxing Gibbous." "It's a market," she said, pocketing the card. "An illegal one." "For what? Drugs?" Quinn's gaze fell on a discarded bottle containing traces of luminescent liquid. "Among other things." Her phone vibrated. A text from an unknown number: "Eva Kowalski requesting urgent meeting re: your current case." Quinn stared at the message. Eva Kowalski—the researcher from the British Museum who'd been asking questions about Morris's case. The woman Quinn had been avoiding. "Palmer, secure this scene. No one enters this chamber without my authorization. And find out who the hell Eva Kowalski is." "You already know who she is," Palmer said, surprising her. "Red hair, glasses, always carrying that old satchel? She's been trying to reach you for weeks." Quinn pocketed her phone, mind racing. The compass, the hidden market, the symbols that matched Morris's tattoo, and now Kowalski. After three years of dead ends, the pieces were finally connecting. "Our victim didn't die because he was in the wrong place at the wrong time." Quinn looked back at the body visible through the hidden doorway. "He died because he saw something he wasn't supposed to see. And I think I'm starting to see it too."
created_at"2026-02-19T10:47:08.513Z" 2/19/2026, 10:47:08 AM
model"anthropic/claude-3-7-sonnet-20250219"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1106
moderation_latency(null)
generation_time37285
tokens_prompt1149
tokens_completion2015
native_tokens_prompt1145
native_tokens_completion1805
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"
usage0.03051
router(null)
provider_responses
0
endpoint_id"1347c8dc-12f5-47df-8355-3ec7e80a8c67"
id"msg_01CrGLnfL6vsgpkRPLns7mMb"
is_byokfalse
latency1101
model_permaslug"anthropic/claude-3-7-sonnet-20250219"
provider_name"Anthropic"
status200
api_type"completions"
id"gen-1771498028-foMzDlquoTOv4mQ5e92q"
upstream_id"msg_01CrGLnfL6vsgpkRPLns7mMb"
total_cost0.03051
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
totalTags18
adverbTagCount0
adverbTags(empty)
dialogueSentences52
tagDensity0.346
leniency0.692
rawRatio0
effectiveRatio0
92.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1250
totalAiIsmAdverbs2
found
0
adverb"reluctantly"
count1
1
adverb"carefully"
count1
highlights
0"reluctantly"
1"carefully"
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)
32.00% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1250
totalAiIsms17
found
0
word"echoing"
count1
1
word"macabre"
count1
2
word"scanned"
count1
3
word"chill"
count1
4
word"etched"
count2
5
word"intricate"
count1
6
word"quivered"
count1
7
word"analyzed"
count1
8
word"echoed"
count2
9
word"perfect"
count1
10
word"calculated"
count1
11
word"whisper"
count1
12
word"silence"
count1
13
word"vibrated"
count1
14
word"racing"
count1
highlights
0"echoing"
1"macabre"
2"scanned"
3"chill"
4"etched"
5"intricate"
6"quivered"
7"analyzed"
8"echoed"
9"perfect"
10"calculated"
11"whisper"
12"silence"
13"vibrated"
14"racing"
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
narrationSentences63
matches(empty)
74.83% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences63
filterMatches
0"feel"
1"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
maxSentenceWordsSeen33
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1240
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions11
unquotedAttributions0
matches(empty)
27.58% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions45
wordCount776
uniqueNames10
maxNameDensity2.45
worstName"Quinn"
maxWindowNameDensity4
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn19
Camden1
Town1
Sergeant1
Palmer14
Morris4
Kowalski2
British1
Museum1
persons
0"Harlow"
1"Quinn"
2"Sergeant"
3"Palmer"
4"Morris"
5"Kowalski"
places
0"Camden"
1"Town"
2"British"
globalScore0.276
windowScore0.333
53.85% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences52
glossingSentenceCount2
matches
0"looked like merchant stalls hastily disma"
1"seemed unremarkable at first glance"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1240
matches(empty)
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
totalParagraphs49
mean25.31
std13.77
cv0.544
sampleLengths
076
135
221
339
439
53
631
750
830
910
1022
1145
1224
1337
147
1536
1647
1723
189
1924
2035
2118
2217
2315
2424
2513
2627
2723
2824
2929
304
319
3221
3331
3416
3524
3618
3740
3816
3932
4011
413
4215
4318
4425
4521
4626
4731
4846
82.99% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences63
matches
0"been sealed"
1"was etched"
2"was illuminated"
3"been dismantled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs132
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount0
flaggedSentences6
totalSentences94
ratio0.064
matches
0"The abandoned station had been sealed off for decades, yet there were clear signs of recent activity—fresh graffiti tags, discarded food wrappers, and oddly, what looked like merchant stalls hastily dismantled."
1"Quinn pulled back the victim's collar with a pen, revealing a small tattoo—a symbol she didn't recognize but that sent a chill up her spine."
2"Something about it tugged at the edges of her memory—a case file she'd glimpsed in the restricted archives when searching for answers about Morris."
3"Her torch beam revealed something the crime scene unit had missed—a faint line of symbols etched into the wall, nearly invisible unless viewed from a specific angle."
4"Wooden stalls had been dismantled, but traces remained—scattered merchandise, dropped coins of unfamiliar metals, and the lingering scent of incense and something else Quinn couldn't identify."
5"Eva Kowalski—the researcher from the British Museum who'd been asking questions about Morris's case."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount783
adjectiveStacks0
stackExamples(empty)
adverbCount17
adverbRatio0.021711366538952746
lyAdverbCount10
lyAdverbRatio0.01277139208173691
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
mean13.19
std7
cv0.531
sampleLengths
033
117
226
321
414
54
614
73
831
98
108
1131
123
1315
1416
1511
1619
1720
1814
1916
202
218
229
2313
2417
2517
2611
2711
2813
2925
3012
317
3213
3316
347
3523
3624
3723
382
397
4018
416
4227
438
449
459
4617
4715
4814
4910
95.74% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats0
diversityRatio0.574468085106383
totalSentences94
uniqueOpeners54
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences61
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount15
totalSentences61
matches
0"She crouched beside the body,"
1"She rose, her gaze methodically"
2"She circled the body, noting"
3"She gestured to the dark"
4"It reminded her of the"
5"Its face was etched with"
6"Her torch beam revealed something"
7"She didn't look back at"
8"She pointed to faint tracks"
9"She followed the tracks to"
10"She silenced him with a"
11"she said, more to herself"
12"She carefully picked it up"
13"she said, pocketing the card"
14"Her phone vibrated."
ratio0.246
0.98% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount56
totalSentences61
matches
0"Detective Harlow Quinn ducked under"
1"Water dripped somewhere in the"
2"The crime scene unit had"
3"Detective Sergeant Palmer emerged from"
4"Quinn ignored the jab."
5"Palmer had been gunning for"
6"Palmer gestured toward the far"
7"Quinn's eyes narrowed as she"
8"The abandoned station had been"
9"Palmer checked his notes"
10"Quinn approached the body, pulling"
11"The victim lay face down"
12"She crouched beside the body,"
13"She rose, her gaze methodically"
14"Quinn pointed to the victim's"
15"She circled the body, noting"
16"She gestured to the dark"
17"Palmer rolled his eyes"
18"Quinn pulled back the victim's"
19"It reminded her of the"
ratio0.918
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences61
matches(empty)
ratio0
53.57% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences32
technicalSentenceCount4
matches
0"The crime scene unit had set up portable lights, casting harsh shadows that made the cavernous space feel like a theatre set for some macabre play."
1"The passage opened into a larger chamber that showed clear signs of recent occupation."
2"Eva Kowalski—the researcher from the British Museum who'd been asking questions about Morris's case."
3"The compass, the hidden market, the symbols that matched Morris's tattoo, and now Kowalski."
69.44% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags18
uselessAdditionCount2
matches
0"Detective Sergeant Palmer emerged, his face haggard under the unforgiving lights"
1"she said, more to herself than to Palmer"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount0
fancyTags(empty)
dialogueSentences52
tagDensity0.058
leniency0.115
rawRatio0
effectiveRatio0
76.0994%