Run: 2026-05-29-01KSSJPJ5ACVS3FCSSWYWRZSVB

Run Details

Duration:
38.3s
Cost:
$0.055450
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="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary. </instructions>

Model response

AI
The standing stones caught the moonlight like teeth. Rory ducked between two of the ancient oaks, their bark gnarled into shapes that her eyes kept insisting were faces, and stepped into the Grove. The pendant lay cool against her sternum. No warmth, no pulse. Whatever the woman at the market had promised would be waiting for her here, it had nothing to do with a Hel portal. "Right," she breathed. "I'm here. Let's get this over with." The wildflowers nodded in a wind she couldn't feel. That was the first wrong thing. She'd noticed it before she'd named it — a stillness pressed against her skin, the air dead and close as a held breath, and yet the petals around her ankles swayed. Bluebells, foxglove, something pale that she didn't have a name for. They bent in unison, then righted themselves, then bent again, as though something walked among them that she could not see. Rory stood very still. "Hello?" Her voice didn't carry the way it should have. It fell from her mouth and dropped, swallowed by grass, gone before it reached the tree line. She tried again, louder, and the same thing happened. The clearing took the sound and kept it. She checked her phone. No signal, which she'd expected — Eva had warned her the Grove ate signals — but the time read 11:47, then she blinked and it read 11:47 still, and then the numbers weren't numbers at all but a smear of light she couldn't focus on. She shoved it back in her pocket. The moon sat directly overhead. It hadn't moved. She was fairly sure it hadn't moved since she'd arrived, though she couldn't have said how long that had been. A minute. An hour. The thought slid through her like cold water and she pushed it down. "I was told to come here," she announced, to the trees, to the flowers, to whatever bent the grass. "Someone left a message. So. I'm listening." Behind her, something laughed. She spun. Nothing. The oaks stood patient in their ring, and beyond them the dark was complete, no city glow, no orange smear of London on the horizon where London should have been. Just black, and the standing stones, and the silver grass. The laugh hadn't been cruel. That was the worst of it. It had been delighted — a child's laugh, high and bright and quickly bitten off, the sound of someone hiding who couldn't quite hold it in. "Hello?" she said again, and hated how her voice shook now. The flowers near the eastern stones bent flat. A line of them, pressed down as if by a footstep, and then the one beside it, and then the next, a trail moving away from her toward the trees. Something walking. Something with weight. She watched the grass flatten and rise, flatten and rise, and she could not see a single thing making it happen. Rory's hand found the pendant. Still cold. "That's not helpful," she whispered to it. "You're meant to be helpful." The trail of crushed flowers stopped. Then it turned. And began, with the same unhurried patience, to come back toward her. She stepped back. Her heel met something soft and she nearly fell — looked down — a fox, dead, curled neat as a sleeping cat in the flowers. No mark on it. Its eyes were open and dry. She hadn't trodden there a moment ago. She was certain she hadn't. The grass around it was undisturbed, no scuffle, no struggle, as though it had simply lain down in the perfect centre of the clearing and decided to stop. The flattening grass reached the fox. Paused. Then continued around it, giving it a wide and almost respectful berth, and resumed its path toward her feet. "Okay. Okay." She backed toward the stones she'd come through, eyes fixed on the moving grass. "I'm leaving. Whatever you are, I'm — I'm going home now, this was a mistake, I'm —" Her shoulder struck oak. She turned to slip between the stones and found the gap had closed. Not closed. The trees had not moved. But the dark between them, which had been a way out, was simply not a way out anymore — it was the same flat black as everywhere else, and when she put her hand toward it her fingers met cold, smooth bark where there had been open air. She pressed both palms against it. Solid. She pushed, and the wood gave back nothing, and from somewhere very close behind her the child laughed again. This time it didn't stop. It went on, that bright giggling sound, climbing, and other voices joined it — more children, a whole ring of them, circling, and under the laughter ran a wet clicking she felt in her back teeth more than heard. The flowers around her had all bent flat now, in every direction, a hundred invisible feet, and the moon overhead had begun, very slowly, to dim. "What do you want?" She had her back to the stone and her arms out and she could see nothing, nothing at all, only the silver grass going grey as the light died. "I didn't come here for this. Tell me what you want." The laughing cut out. The silence that replaced it had a texture. It pressed on her ears like depth, like the bottom of a lake, and into it a voice spoke — not from in front or behind but from inside the hush itself, close as her own pulse, a voice that knew the shape of her name before she'd given it. "Aurora." The pendant, against her chest, went suddenly and savagely hot. She gasped and clutched it through her shirt, the crimson light bleeding red between her fingers, and in that red glow she saw — for one half of one second, before the moon guttered out entirely — exactly how many of them stood in the ring of trees, watching her, smiling, and exactly how close the nearest one had come. Then the dark took the Grove, and she was not alone in it.
created_at"2026-05-29T09:57:57.078Z" 5/29/2026, 9:57:57 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3619
moderation_latency(null)
generation_time38179
tokens_prompt1038
tokens_completion1512
native_tokens_prompt1480
native_tokens_completion1922
native_tokens_completion_images(null)
native_tokens_reasoning55
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"
service_tier"default"
usage0.05545
router(null)
provider_responses
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endpoint_id"b0d3beaa-5ff7-4666-a749-b1bb2b14c916"
id"msg_016iQXEBwuHGTB81R1117ZmA"
is_byokfalse
latency1905
model_permaslug"anthropic/claude-4.8-opus-20260528"
provider_name"Anthropic"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.16.0; linux; x64))"
http_referer(null)
request_id"req-1780048677-ddFgeoW4AW3GwZ2yjXNS"
session_id(null)
api_type"completions"
id"gen-1780048677-DT4qUXSnlVLQwAkINcpW"
upstream_id"msg_016iQXEBwuHGTB81R1117ZmA"
total_cost0.05545
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
46.15% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags6
adverbTagCount1
adverbTags
0"she said again [again]"
dialogueSentences13
tagDensity0.462
leniency0.923
rawRatio0.167
effectiveRatio0.154
70.36% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1012
totalAiIsmAdverbs6
found
0
adverb"very"
count3
1
adverb"quickly"
count1
2
adverb"slowly"
count1
3
adverb"suddenly"
count1
highlights
0"very"
1"quickly"
2"slowly"
3"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)
70.36% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1012
totalAiIsms6
found
0
word"warmth"
count1
1
word"pulse"
count2
2
word"weight"
count1
3
word"perfect"
count1
4
word"silence"
count1
highlights
0"warmth"
1"pulse"
2"weight"
3"perfect"
4"silence"
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)
analyzedSentences82
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen58
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1024
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions10
wordCount958
uniqueNames5
maxNameDensity0.31
worstName"Grove"
maxWindowNameDensity1
worstWindowName"Grove"
discoveredNames
Grove3
Hel1
Eva1
London2
Rory3
persons
0"Eva"
1"Rory"
places
0"London"
globalScore1
windowScore1
96.81% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences47
glossingSentenceCount1
matches
0"quite hold it in"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.977
wordCount1024
matches
0"not from in front or behind but from inside the hush itself, close as her own pulse, a voice"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences82
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean31.03
std25.01
cv0.806
sampleLengths
08
159
210
39
469
54
61
743
856
945
1026
114
1243
1337
1411
1564
167
1712
1821
1978
2026
2133
2217
2381
245
2565
2644
274
2858
291
3010
3160
3213
95.91% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences75
matches
0"been delighted "
1"been open"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs160
matches(empty)
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences8
totalSentences82
ratio0.098
matches
0"She'd noticed it before she'd named it — a stillness pressed against her skin, the air dead and close as a held breath, and yet the petals around her ankles swayed."
1"No signal, which she'd expected — Eva had warned her the Grove ate signals — but the time read 11:47, then she blinked and it read 11:47 still, and then the numbers weren't numbers at all but a smear of light she couldn't focus on."
2"It had been delighted — a child's laugh, high and bright and quickly bitten off, the sound of someone hiding who couldn't quite hold it in."
3"Her heel met something soft and she nearly fell — looked down — a fox, dead, curled neat as a sleeping cat in the flowers."
4"But the dark between them, which had been a way out, was simply not a way out anymore — it was the same flat black as everywhere else, and when she put her hand toward it her fingers met cold, smooth bark where there had been open air."
5"It went on, that bright giggling sound, climbing, and other voices joined it — more children, a whole ring of them, circling, and under the laughter ran a wet clicking she felt in her back teeth more than heard."
6"It pressed on her ears like depth, like the bottom of a lake, and into it a voice spoke — not from in front or behind but from inside the hush itself, close as her own pulse, a voice that knew the shape of her name before she'd given it."
7"She gasped and clutched it through her shirt, the crimson light bleeding red between her fingers, and in that red glow she saw — for one half of one second, before the moon guttered out entirely — exactly how many of them stood in the ring of trees, watching her, smiling, and exactly how close the nearest one had come."
92.37% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount621
adjectiveStacks1
stackExamples
0"lay cool against her"
adverbCount26
adverbRatio0.04186795491143317
lyAdverbCount5
lyAdverbRatio0.008051529790660225
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences82
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences82
mean12.49
std12.45
cv0.997
sampleLengths
08
125
27
34
423
53
67
79
86
931
1011
1121
124
131
149
1517
169
178
184
1945
207
215
223
2320
242
252
2613
2719
287
294
302
311
3230
3310
345
356
3626
3711
388
3930
402
413
4221
435
442
457
465
476
483
4912
62.20% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.4024390243902439
totalSentences82
uniqueOpeners33
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences65
matches
0"Just black, and the standing"
1"Then it turned."
2"Then continued around it, giving"
3"Then the dark took the"
ratio0.062
47.69% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount28
totalSentences65
matches
0"She'd noticed it before she'd"
1"They bent in unison, then"
2"Her voice didn't carry the"
3"It fell from her mouth"
4"She tried again, louder, and"
5"She checked her phone."
6"She shoved it back in"
7"It hadn't moved."
8"She was fairly sure it"
9"she announced, to the trees,"
10"It had been delighted —"
11"she said again, and hated"
12"She watched the grass flatten"
13"she whispered to it"
14"She stepped back."
15"Her heel met something soft"
16"Its eyes were open and"
17"She hadn't trodden there a"
18"She was certain she hadn't."
19"She backed toward the stones"
ratio0.431
36.92% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount55
totalSentences65
matches
0"The standing stones caught the"
1"Rory ducked between two of"
2"The pendant lay cool against"
3"Whatever the woman at the"
4"The wildflowers nodded in a"
5"That was the first wrong"
6"She'd noticed it before she'd"
7"Bluebells, foxglove, something pale that"
8"They bent in unison, then"
9"Rory stood very still."
10"Her voice didn't carry the"
11"It fell from her mouth"
12"She tried again, louder, and"
13"The clearing took the sound"
14"She checked her phone."
15"She shoved it back in"
16"The moon sat directly overhead."
17"It hadn't moved."
18"She was fairly sure it"
19"The thought slid through her"
ratio0.846
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences65
matches(empty)
ratio0
63.49% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences27
technicalSentenceCount3
matches
0"They bent in unison, then righted themselves, then bent again, as though something walked among them that she could not see."
1"But the dark between them, which had been a way out, was simply not a way out anymore — it was the same flat black as everywhere else, and when she put her hand…"
2"It pressed on her ears like depth, like the bottom of a lake, and into it a voice spoke — not from in front or behind but from inside the hush itself, close as …"
41.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount1
matches
0"She backed, eyes fixed on the moving grass"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount3
fancyTags
0"she breathed (breathe)"
1"she announced (announce)"
2"she whispered (whisper)"
dialogueSentences13
tagDensity0.308
leniency0.615
rawRatio0.75
effectiveRatio0.462
77.4638%