Run: 2026-05-31-01KSYXKSDF90K38HYPMPW44DND

Run Details

Duration:
42.7s
Cost:
$0.065175
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 rain had stopped an hour ago, but the abandoned Tube station still wept. Water traced the cracked tiles, pooled on the platform's edge, and dripped from somewhere above into the dark mouth of the tunnel. Detective Harlow Quinn stood at the bottom of the stairwell and let her eyes adjust to the work lights the forensics team had strung along the walls. "Watch your step, Detective. Floor's slick." Sergeant Aldous Pryce nodded at her boots. "Body's down the platform. We figure he came in through the service door off the Camden street level." "You figure." Quinn descended the last two steps and crossed to the corpse without taking his offered hand. The dead man lay face-up beneath a defunct advertisement, his coat soaked through, one arm folded beneath him at an angle no living shoulder would tolerate. Mid-thirties, well-dressed, the kind of overcoat that cost more than a constable's monthly wage. No wallet. No phone. The forensic photographer's flash painted the scene in stutters of white. Quinn crouched. The leather of her worn watch strap creaked as she braced her wrist against her knee. "Cause of death?" "Blunt force, looks like." Pryce gestured at the man's temple, where a dark bloom of bruising spread beneath the hairline. "He slipped on the stairs, came down hard, cracked his skull on the platform edge. Tragic. Drunk, probably. We found a flask." "You found a flask." She didn't look up. "Detective, I know that tone." "What tone?" "The one where you've already decided I'm wrong." Quinn allowed herself a thin smile and lifted the dead man's wrist. The skin had gone the colour of tallow. She pressed her thumb against the underside, then turned the hand over and studied the fingernails. Clean. Manicured. No grit beneath them, no scrape of broken nail. "A man falls down a flight of stairs," she said. "He reaches out. Everyone does. The body wants to live even when the mind's swimming in gin. He grabs the railing, the wall, anything. His hands tell that story." She set the wrist down with care. "These hands didn't grab anything." "So he was too drunk to react." "Then where's the gin?" Quinn rose and stepped over the body, her gaze tracking the platform tiles. "You said a flask. Did anyone open it?" Pryce shifted his weight. "Sealed. Full." "Full." She let the word sit. "A drunk man with a full flask." The work lights hummed. Somewhere down the tunnel, water continued its patient drip, and Quinn turned toward the sound. There was a smell here she couldn't place — beneath the mildew and the iron tang of blood, something sweeter. Ozone, almost. The scent of air after lightning, though no storm had reached this far underground. She walked the platform's length, counting tiles, reading the wet floor like a page. The blood pool around the man's head was wrong. She'd seen enough head wounds to know how they bled — copious, spreading, soaking outward in an irregular halo. This pool was contained. Tight. As though the blood had been poured rather than spilled. "Pryce. Come here." He came, boots slapping the wet concrete. "Look at the platform edge. Where his skull supposedly struck." She pointed. The lip of the platform was smooth, unmarked, free of the smear of blood and matter she'd expect. "He cracks his head hard enough to die, and the edge is clean. But there." She swung her arm toward the body. "All the blood's beneath him. He didn't fall here. He was put here." "Maybe the rain washed the edge." "The rain doesn't reach this far in. The floor under the advert is dry as bone." Pryce was quiet a moment. "Then where did he die?" "That's the better question." She crouched again, this time at the dead man's coat, and parted the lapel with two gloved fingers. The lining was good silk, dark grey. Tucked into the breast pocket, half-hidden, something caught the light — a dull gleam of metal gone green at the edges. She drew it out. A small brass compass, its casing furred with verdigris, its face etched in markings she didn't recognise. Tiny symbols, geometric and strange, ringed the dial. The needle didn't point north. It quivered, swung, and settled toward the black mouth of the tunnel, trembling like a hound straining at a leash. "What is that?" Pryce leaned in. "Some kind of antique?" Quinn turned it in her palm. The needle held its bearing no matter which way she rotated the casing. South, the tunnel — always the tunnel. She tilted it left. The needle swung back. She faced the stairs. The needle swung back. "Compasses point north," she said. "Maybe it's broken." "It's not broken. It's pointing at something." She closed her fist around it, and the metal was warm, warmer than a dead man's pocket had any right to make it. "Who reported this?" "Anonymous call. Public box on Camden High Street. We traced it, no prints." "And what's a man like this—" she nodded at the overcoat, the manicured hands, the absence of any cheap thing on him "—doing dead in a station that's been sealed since the Blitz?" Pryce had no answer. He rarely did, which was why she liked working with him; he asked the wrong questions loud enough that she could hear the right ones underneath. She stood and surveyed the scene whole, the way she'd taught herself to do over eighteen years — not piece by piece, but all at once, letting the wrongness assemble itself. The contained blood. The clean platform edge. The unmarked hands. The full flask, planted like a prop in a play someone wanted her to read a certain way. And beneath all of it, that sweetness in the air, that lightning smell, and a brass needle pointing at the dark with the certainty of a thing that knew where it was going. Three years ago she'd stood over another scene that hadn't added up. Morris, her partner, gone — not dead, not alive, simply absent, with a smell like this one hanging in the room and no explanation that fit inside a report. She'd buried that case in a drawer she didn't open. The needle quivered toward the tunnel. "Pryce." Her voice came level, cold. "Tell the team to stop photographing the body and start photographing the floor. Every tile from here to the tunnel mouth." "You think he was dragged?" "I think someone wants us to believe he fell." She slipped the compass into her own coat, against regulation, and felt its warmth bleed through the fabric. "And I think they were sloppy about it because they assumed no one would look past the gin." She started down the platform toward the dark, her boots silent on the wet concrete, the needle in her pocket pulling her on like a thread drawn through the eye of something she did not yet have a name for.
created_at"2026-05-31T11:44:52.668Z" 5/31/2026, 11:44:52 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency994
moderation_latency(null)
generation_time42656
tokens_prompt1149
tokens_completion1729
native_tokens_prompt1595
native_tokens_completion2288
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
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usage0.065175
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provider_responses
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is_byokfalse
latency994
model_permaslug"anthropic/claude-4.8-opus-20260528"
provider_name"Anthropic"
status200
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request_id"req-1780227892-suDZkTsNfQRodFHFOKTr"
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api_type"completions"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags17
adverbTagCount1
adverbTags
0"She crouched again [again]"
dialogueSentences40
tagDensity0.425
leniency0.85
rawRatio0.059
effectiveRatio0.05
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1155
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
65.37% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1155
totalAiIsms8
found
0
word"traced"
count2
1
word"weight"
count1
2
word"silk"
count1
3
word"etched"
count1
4
word"quivered"
count2
5
word"warmth"
count1
highlights
0"traced"
1"weight"
2"silk"
3"etched"
4"quivered"
5"warmth"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences75
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences75
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences98
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1160
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions16
wordCount846
uniqueNames5
maxNameDensity0.83
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Tube1
Harlow1
Quinn7
Aldous1
Pryce6
persons
0"Harlow"
1"Quinn"
2"Pryce"
places(empty)
globalScore1
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences47
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.862
wordCount1160
matches
0"not piece by piece, but all at once, letting the wrongness assemble itself"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences98
matches
0"buried that case"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs42
mean27.62
std22.45
cv0.813
sampleLengths
063
131
218
355
418
53
642
78
85
92
108
1147
1251
137
1425
156
1613
1755
1857
193
207
2165
226
2316
2410
2550
2654
2710
2842
295
303
3133
3213
3333
3430
3592
3651
376
3827
395
4045
4140
91.23% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences75
matches
0"was contained"
1"been poured"
2"been sealed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs139
matches
0"was going"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount1
flaggedSentences8
totalSentences98
ratio0.082
matches
0"There was a smell here she couldn't place — beneath the mildew and the iron tang of blood, something sweeter."
1"She'd seen enough head wounds to know how they bled — copious, spreading, soaking outward in an irregular halo."
2"Tucked into the breast pocket, half-hidden, something caught the light — a dull gleam of metal gone green at the edges."
3"South, the tunnel — always the tunnel."
4"\"And what's a man like this—\" she nodded at the overcoat, the manicured hands, the absence of any cheap thing on him \"—doing dead in a station that's been sealed since the Blitz?\""
5"He rarely did, which was why she liked working with him; he asked the wrong questions loud enough that she could hear the right ones underneath."
6"She stood and surveyed the scene whole, the way she'd taught herself to do over eighteen years — not piece by piece, but all at once, letting the wrongness assemble itself."
7"Morris, her partner, gone — not dead, not alive, simply absent, with a smell like this one hanging in the room and no explanation that fit inside a report."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount650
adjectiveStacks0
stackExamples(empty)
adverbCount13
adverbRatio0.02
lyAdverbCount1
lyAdverbRatio0.0015384615384615385
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences98
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences98
mean11.84
std9.1
cv0.769
sampleLengths
014
122
227
313
418
518
626
714
82
92
1011
112
1216
133
1420
1522
168
175
182
198
2012
218
2216
231
241
259
2610
2736
285
297
3017
318
324
332
346
357
364
3715
3820
392
4014
4114
429
4319
444
451
4610
473
487
4912
74.15% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.46938775510204084
totalSentences98
uniqueOpeners46
51.28% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences65
matches
0"Somewhere down the tunnel, water"
ratio0.015
90.77% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount21
totalSentences65
matches
0"She didn't look up"
1"She pressed her thumb against"
2"She set the wrist down"
3"She let the word sit"
4"She walked the platform's length,"
5"She'd seen enough head wounds"
6"He came, boots slapping the"
7"She swung her arm toward"
8"She crouched again, this time"
9"She drew it out."
10"It quivered, swung, and settled"
11"She tilted it left."
12"She faced the stairs."
13"She closed her fist around"
14"she nodded at the overcoat,"
15"He rarely did, which was"
16"She stood and surveyed the"
17"She'd buried that case in"
18"Her voice came level, cold"
19"She slipped the compass into"
ratio0.323
36.92% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount55
totalSentences65
matches
0"The rain had stopped an"
1"Water traced the cracked tiles,"
2"Detective Harlow Quinn stood at"
3"Sergeant Aldous Pryce nodded at"
4"Quinn descended the last two"
5"The dead man lay face-up"
6"The forensic photographer's flash painted"
7"The leather of her worn"
8"Pryce gestured at the man's"
9"She didn't look up"
10"Quinn allowed herself a thin"
11"The skin had gone the"
12"She pressed her thumb against"
13"She set the wrist down"
14"Quinn rose and stepped over"
15"Pryce shifted his weight."
16"She let the word sit"
17"The work lights hummed."
18"The scent of air after"
19"She walked the platform's length,"
ratio0.846
76.92% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences65
matches
0"As though the blood had"
ratio0.015
66.33% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences28
technicalSentenceCount3
matches
0"Mid-thirties, well-dressed, the kind of overcoat that cost more than a constable's monthly wage."
1"She walked the platform's length, counting tiles, reading the wet floor like a page."
2"And beneath all of it, that sweetness in the air, that lightning smell, and a brass needle pointing at the dark with the certainty of a thing that knew where it…"
66.18% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags17
uselessAdditionCount2
matches
0"She closed, and the metal was warm, warmer than a dead man's pocket had any right to make it"
1"Her voice came, cold"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount0
fancyTags(empty)
dialogueSentences40
tagDensity0.05
leniency0.1
rawRatio0
effectiveRatio0
86.7493%