Run: 2026-10-08-01M4DA881PSY9R1FHAZ6KQKZJX

Run Details

Duration:
13.3s
Cost:
$0.001086
Provider:
Claude Platform on AWS

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 lane ended in a gravel turning circle, and the car's headlights swung across a wall of holly before Aurora cut the engine. For a moment the silence was total. Then the ticking of the cooling metal started up, and beyond it, something she couldn't name. She checked her watch. Eleven forty. The app on her phone showed one bar of signal, then none. "Right," she said to the empty car. "Quick in, quick out." The pendant lay warm against her breastbone, under her jumper. She'd noticed it on the drive, a slow tide of heat that rose and eased, as if it were breathing. She pulled it free of her collar and let the silver chain pool in her palm. The crimson stone glowed faintly from within, the way an ember does when someone has blown on it and then walked away. She closed her fist around it and stepped out into the cold. Richmond Park at night was supposed to be full of deer and the distant hum of the A3. Tonight there was neither. The grass beside the path stood grey with frost, but when she crouched to look, small white and violet flowers pushed through the rime, fresh as spring. Bluebells, and something lower and yellow she didn't recognise. She stood up slowly and kept walking. The gate Isolde's letter had described was not a gate at all. It was a gap between two ancient oaks, their trunks split and grey, and the standing stones ringed behind them rose out of the bracken like teeth. Someone had left a jam jar of dead roses on the nearest stone. The petals had gone brown at the edges, but the stems were green. She stopped at the boundary and waited for the feeling she'd been promised. A pull. A hum in the teeth. Nothing came, only the wind, which had dropped altogether. Then the birds stopped. She hadn't noticed them until they were gone. Somewhere behind her a tawny owl had been calling, steady and bored, and now there was no sound at all. Aurora listened hard. Her own breath. The faint tick of her watch. Her heartbeat in her ears. "Hello?" she said, and the word fell flat, as if the air had been pressed thin. She stepped through the gap between the oaks. The clearing opened out in a shallow bowl. The stones ran around its edge at even intervals, each one taller than her, each one carved with spirals worn almost smooth. Wildflowers covered the ground in drifts: foxglove, clover, a pale star-shaped bloom she'd only seen in her gran's old books. None of it should have been flowering in February. The scent was thick and sweet, almost sickly, and it clung to the back of her throat. She checked her watch again. Eleven forty-one. The second hand swept on, steady and small. Something moved at the far edge of the clearing, between two of the stones. Aurora turned her head, and the movement was gone. Only a shiver in the grass where a shape might have been. She waited. The grass stilled. She counted her breaths. Four in, four out. Her gran had taught her that, sitting on the back step in Penarth, when Rory was seven and had fallen off a wall and split her wrist open on a bit of broken slate. The scar still pulled a little when she clenched her fist. She clenched it now. "You're being daft," she told herself. "It's a bloody park." Her voice sounded wrong. Too close, as though someone standing beside her had repeated the words a half-second late, in the same tone, and then fallen silent. Aurora went very still. The pendant was hot now. Not warm. Hot enough that she could feel the edges of the stone press into her palm through her fingers, and the glow had brightened, pulsing in a slow rhythm that matched nothing she could hear. She opened her hand. The crimson light spilled across her skin and threw long, moving shadows across the flowers. The shadows did not all come from her. She looked up. Between the stones on the far side, something tall stood where there had been nothing before. Its outline wavered, like heat above tarmac. It had too many joints in its limbs, or perhaps the light just bent that way. It did not approach. It only stood there, angled slightly toward her, the way a person might stand at a window, watching a house they know is empty. "Who's there?" Aurora asked. No answer came. But the flowers at her feet began to close, one by one, petals folding inward in a slow wave that travelled outward from her boots toward the stones. She took one step back. The grass crackled under her heel. Behind her, very softly, something whispered her name. Not Rory. Not Aurora. The full name her father used to shout up the stairs when she'd been out past curfew, the one nobody had said aloud in years. Aurora did not turn around. She kept her eyes on the shape between the stones, and she kept her fist closed tight around the burning pendant, and she listened to the silence where the birds used to be, and she counted her breaths.
created_at"2026-10-08T08:32:06.207Z" 10/8/2026, 8:32:06 AM
model"anthropic/claude-haiku-5.5-20261007"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency13283
moderation_latency(null)
generation_time13283
tokens_prompt1008
tokens_completion1329
native_tokens_prompt1482
native_tokens_completion1876
native_tokens_completion_images(null)
native_tokens_reasoning285
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"
usage0.0010862
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791448326-ehFm0FjbcZLruQ14vtPQ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791448326-oX8ZVxif7inI2fQ9Cgc4"
upstream_id"msg_011CfpTbWwLnDjvpaERXB3ti"
provider_responses
0
endpoint_id"b6cdf493-3a61-441f-a134-e7944fddb980"
id"msg_011CfpTbWwLnDjvpaERXB3ti"
is_byokfalse
latency915
model_permaslug"anthropic/claude-haiku-5.5-20261007"
provider_name"Claude Platform on AWS"
status200
total_cost0.0010862
cache_discount(null)
upstream_inference_cost0
provider_name"Claude Platform on AWS"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0
effectiveRatio0
71.59% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount880
totalAiIsmAdverbs5
found
0
adverb"slowly"
count1
1
adverb"very"
count2
2
adverb"slightly"
count1
3
adverb"softly"
count1
highlights
0"slowly"
1"very"
2"slightly"
3"softly"
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)
77.27% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount880
totalAiIsms4
found
0
word"silence"
count2
1
word"could feel"
count1
2
word"wavered"
count1
highlights
0"silence"
1"could feel"
2"wavered"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"clenched jaw/fists"
count1
highlights
0"clenched her fist"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences79
matches(empty)
52.44% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount4
hedgeCount1
narrationSentences79
filterMatches
0"watch"
1"know"
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences81
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords880
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions13
wordCount865
uniqueNames6
maxNameDensity0.81
worstName"Aurora"
maxWindowNameDensity1.5
worstWindowName"Aurora"
discoveredNames
Aurora7
Park1
Isolde1
February1
Penarth1
Rory2
persons
0"Aurora"
1"Isolde"
2"Rory"
places
0"Park"
1"February"
2"Penarth"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences49
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount880
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences81
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs26
mean33.85
std24.34
cv0.719
sampleLengths
046
118
211
380
465
565
629
74
845
916
108
1176
1215
1340
1457
1510
1627
174
1860
198
2070
214
2231
2311
2437
2543
83.06% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences79
matches
0"was supposed"
1"been promised"
2"were gone"
3"been pressed"
4"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs134
matches
0"were breathing"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences81
ratio0
matches(empty)
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount868
adjectiveStacks2
stackExamples
0"lay warm against her"
1"pale star-shaped bloom"
adverbCount32
adverbRatio0.03686635944700461
lyAdverbCount10
lyAdverbRatio0.01152073732718894
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences81
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences81
mean10.86
std8.55
cv0.787
sampleLengths
023
17
216
34
42
512
67
74
810
920
1016
1122
1212
1318
144
1527
169
177
1812
1927
2013
2113
2213
232
245
259
264
278
2820
293
303
316
325
3316
348
358
3622
3720
389
3917
405
412
428
4314
449
4512
462
473
484
494
59.26% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.4074074074074074
totalSentences81
uniqueOpeners33
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences71
matches
0"Then the ticking of the"
1"Then the birds stopped."
2"Somewhere behind her a tawny"
3"Only a shiver in the"
4"Too close, as though someone"
ratio0.07
67.89% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount27
totalSentences71
matches
0"She checked her watch."
1"she said to the empty"
2"She'd noticed it on the"
3"She pulled it free of"
4"She closed her fist around"
5"She stood up slowly and"
6"It was a gap between"
7"She stopped at the boundary"
8"She hadn't noticed them until"
9"Her own breath."
10"Her heartbeat in her ears."
11"she said, and the word"
12"She stepped through the gap"
13"She checked her watch again."
14"She counted her breaths."
15"Her gran had taught her"
16"She clenched it now."
17"she told herself"
18"Her voice sounded wrong."
19"She opened her hand."
ratio0.38
44.51% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount59
totalSentences71
matches
0"The lane ended in a"
1"She checked her watch."
2"The app on her phone"
3"she said to the empty"
4"The pendant lay warm against"
5"She'd noticed it on the"
6"She pulled it free of"
7"The crimson stone glowed faintly"
8"She closed her fist around"
9"Richmond Park at night was"
10"Tonight there was neither."
11"The grass beside the path"
12"Bluebells, and something lower and"
13"She stood up slowly and"
14"The gate Isolde's letter had"
15"It was a gap between"
16"Someone had left a jam"
17"The petals had gone brown"
18"She stopped at the boundary"
19"A hum in the teeth."
ratio0.831
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences71
matches(empty)
ratio0
98.21% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences32
technicalSentenceCount2
matches
0"Too close, as though someone standing beside her had repeated the words a half-second late, in the same tone, and then fallen silent."
1"Hot enough that she could feel the edges of the stone press into her palm through her fingers, and the glow had brightened, pulsing in a slow rhythm that matche…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount1
matches
0"she said, and the word fell flat, as if the air had been pressed thin"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount0
fancyTags(empty)
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0
effectiveRatio0
84.7410%