Run: 2026-09-03-01M1K5XNV0C1KA4BJVSKVYHA7B

Run Details

Duration:
38.0s
Cost:
$0.016421
Provider:
Meta

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 gate at Richmond Park stood open. Aurora Carter had not expected that. The iron bars rose high against the night sky and the sign beside them gave the closing time as seven thirty. Her phone showed twenty three forty two. The chain that should have looped through the bars lay on the tarmac, the padlock beside it, open, its key still in the barrel. She cut the engine on the delivery moped and the silence that followed had weight. London never went quiet. Even here traffic hummed beyond the trees, a distant bleed of sirens and tyres on wet road. For three breaths she heard none of it. The Heartstone Pendant rested against her sternum under her jacket. It gave off heat. Not the faint pulse it gave near the service alleys behind the Golden Empress, but a steady throb that soaked through cotton and skin. She closed her fist around it through the fabric. The crimson stone, no larger than her thumbnail on its silver chain, burned against her palm. She had come because Eva asked her to. Eva's voice message still sat on her screen, time stamped eighteen oh nine. "Rory? Are you awake? Listen, I need you to meet me at the Grove. The one Isolde showed us. Midnight. Don't bring your phone if you can help it, but come. Please. I left something for you at the stones." Eva never asked like that. Eva demanded, cajoled, barged in with two coffees and an opinion. Eva did not say please twice in a sentence. Aurora swung her leg off the moped. Her trainers hit damp earth at the verge. She dragged the bike onto the grass and kicked the stand down. The park beyond the gate was a wall of dark. No lamps burnt along the inner path. The oaks that marked the boundary of the Grove stood in a line, their trunks thick as cars, bark black with rain. Her straight black hair, cut blunt at the shoulder, caught on her collar as she turned her head. The wind moved through the upper branches and threw cold air against her neck. She pulled her jacket zip to her throat and stepped past the gate. The gravel path swallowed sound. Her footsteps made no echo. Each oak she passed threw a shadow longer than any streetlight could cast. Wildflowers crowded the verge, impossible in November, their heads open in the dark. White and violet petals beaded with water and their scent was too sweet, too strong, like perfume poured in a closed room. She remembered Isolde's voice on their one visit in daylight: this clearing lives between. An hour in there eats minutes out here. Or days. The flowers never die. The standing stones came into view. Four of them, rough and lichen split, set in a square around a hollow of grass no larger than her flat above Silas' bar. She stopped at the edge of the grass. Her bright blue eyes scanned the stones. No Eva. No bag, no coat, no sign that another person had walked here after rain. The pendant pulsed harder. Heat crawled up the silver chain. She fished her phone from her pocket. No signal. The screen lit her face, the crescent scar on her left wrist a pale hook in the glow. The time still read twenty three forty two. Her thumb jabbed at Eva's name. The call failed before it rang. "Eva?" Her voice left her mouth and the Grove took it. No echo. The sound folded in half. She cleared her throat. The air tasted of copper and wet soil. "Eva, I am at the stones. You said midnight. It is midnight. Talk to me if you are here." Nothing answered. Then the wind dropped. That was the first wrong thing. Richmond at night never lost the wind. It piped through the trees, rattled fences, carried traffic noise. Now the leaves above the stones hung still. The wildflowers stopped their tremble. The silence became so complete she heard the blood in her ears. A branch cracked behind her. She spun. Her hand went to the pendant without thought. The path lay empty, gravel pale under a thin moon. The oaks stood in their line. One shadow among them looked deeper than the rest, a gap where bark should have been. She stared at it until her vision swam. The shadow did not move. When she blinked it was bark again. She exhaled and the breath clouded though the air was not that cold. "Funny. Very funny if this is a prank." Her mouth was dry. She tried a laugh and the Grove ate that too. She stepped into the square. The grass under her trainers was soft, springy, warm as skin. Dew soaked through the canvas and the warmth was wrong. November grass should have crunched with frost. She lifted her foot and saw the blades spring upright, unmarked. The pendant throbbed against her chest, in time with her heart, then out of time, a fraction faster. A sound started beyond the stones. Low, rhythmic. A lapping, like water against a hull, though the nearest pond was half a mile off and fenced. The sound had no source. It came from the air itself, from the space between the oaks. She turned in a circle. The lapping kept time with the pendant. She backed toward the north stone and pressed her shoulder to it. Lichen scraped her jacket. The stone was warm. Living warm. "Isolde? If you are here, show yourself. Eva sent me." Her voice cracked on the last word. She dug her nails into her palm and the scar on her wrist pulled. The wildflowers at the edge of the square shivered though no wind touched them. One by one their heads turned. Not toward the moon. Toward her. White petals angled, violet petals angled, all the small faces in the dark oriented on the centre of the square where she stood. She pushed off the stone. A footstep sounded on gravel. She whipped round. The path was empty. Another footstep, then another, but not on gravel. On grass. Soft, deliberate, circling the stones just out of sight. She tracked the sound as it moved from east to west behind the oaks. Her head turned with it. The steps never entered the square, never broke the line of the stones, but they never stopped either. Her pulse hammered against the pendant until the two rhythms clashed. "You are not Eva." The words left her before she knew she needed to say them. The footsteps halted. A new sound replaced them. Breathing. Not hers. Too slow, too deep, the inhale long enough that she counted four of her own heartbeats before it released. The exhale stirred the wildflowers. The scent that rose was not floral now. It was loam and root and the iron tang of the pendant's heat. She reached for her phone. The screen was black. She had not locked it. "Eva left something, you heard? I am here to collect it and go. So take your look and let me pass." The breathing paused. In the pause something brushed the edge of her vision. Tall, thin, at the shoulder of the east stone. When she looked direct it was bark and shadow. When she looked away it had limbs. She kept her eyes forward. Her hand closed round the pendant and the silver chain bit her skin. The stone's glow bled between her fingers, faint crimson light that threw her shadow long across the grass toward the south stone. Another shadow stretched beside hers. It had not been there a second before. It rose from the grass at the foot of the south stone, elongated, its head level with hers though nothing stood there to cast it. The head of the shadow tilted. The wildflowers around its feet bent away. Cold shot up her legs from the warm grass. She did not step back. The stone at her back blocked her. The shallow lapping sound grew louder. The breathing resumed, closer now, just beyond the circle, at ear height though the air beyond the stones showed only dark and wildflowers. A child's laugh rang out between the oaks, clear and bright, though no child stood on the path. The laugh came from above, though the branches held no one. Aurora's knees locked. She stared at the second shadow. It mirrored her stance, then lifted an arm though her arms stayed at her sides, one fist clenched round the pendant, the other empty at her hip. The shadow's hand extended a finger and pointed at her chest, at the light between her fingers. The Heartstone flared with heat.
created_at"2026-09-03T08:24:47.526Z" 9/3/2026, 8:24:47 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5584
moderation_latency(null)
generation_time37074
tokens_prompt1008
tokens_completion2059
native_tokens_prompt921
native_tokens_completion3593
native_tokens_completion_images0
native_tokens_reasoning1765
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"completed"
service_tier"auto"
usage0.0164215
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423887-05dkZgUj8w2pVTeXDM80"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423887-tDXUpvwQi4qp5plbIKBh"
upstream_id"resp_6a992ed25306f84485994697"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992ed25306f84485994697"
is_byokfalse
latency2703
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.0164215
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
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
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences7
tagDensity0.143
leniency0.286
rawRatio0
effectiveRatio0
96.56% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1454
totalAiIsmAdverbs1
found
0
adverb"very"
count1
highlights
0"very"
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)
48.42% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1454
totalAiIsms15
found
0
word"silence"
count2
1
word"weight"
count1
2
word"pulse"
count2
3
word"throb"
count1
4
word"footsteps"
count2
5
word"echo"
count2
6
word"scanned"
count1
7
word"pulsed"
count1
8
word"warmth"
count1
9
word"throbbed"
count1
10
word"rhythmic"
count1
highlights
0"silence"
1"weight"
2"pulse"
3"throb"
4"footsteps"
5"echo"
6"scanned"
7"pulsed"
8"warmth"
9"throbbed"
10"rhythmic"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"jaw/fists clenched"
count1
highlights
0"fist clenched"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences148
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences148
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences155
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
totalWords1454
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions25
wordCount1349
uniqueNames12
maxNameDensity0.52
worstName"Eva"
maxWindowNameDensity2.5
worstWindowName"Eva"
discoveredNames
Richmond2
Park1
Carter1
Heartstone2
Pendant1
Golden1
Empress1
Eva7
Grove3
November2
Isolde1
Aurora3
persons
0"Carter"
1"Heartstone"
2"Pendant"
3"Eva"
4"Grove"
5"Isolde"
6"Aurora"
places
0"Richmond"
1"Park"
2"November"
globalScore1
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences99
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.688
wordCount1454
matches
0"Not the faint pulse it gave near the service alleys behind the Golden Empress, but a steady throb"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences155
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs57
mean25.51
std20.63
cv0.809
sampleLengths
07
158
244
363
48
513
640
725
866
932
1013
1186
126
1355
1410
1535
1612
171
1817
1912
2019
216
226
2342
245
2562
2613
278
2814
2944
3018
3155
3222
3310
3421
3549
365
375
3863
3911
404
4112
423
4353
4414
4521
4638
4740
485
4946
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences148
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs201
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences155
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount495
adjectiveStacks0
stackExamples(empty)
adverbCount6
adverbRatio0.012121212121212121
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences155
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences155
mean9.38
std6.38
cv0.68
sampleLengths
07
16
221
37
424
515
64
717
88
910
104
1124
129
1316
148
1513
1640
175
1811
199
207
218
2212
2310
247
2522
2618
2714
2813
295
305
3113
3213
3322
3414
358
362
374
386
3924
408
417
422
4314
444
456
467
472
4818
498
39.68% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats16
diversityRatio0.2838709677419355
totalSentences155
uniqueOpeners44
73.53% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences136
matches
0"Then the wind dropped."
1"Soft, deliberate, circling the stones"
2"Too slow, too deep, the"
ratio0.022
87.65% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount45
totalSentences136
matches
0"Her phone showed twenty three"
1"She cut the engine on"
2"It gave off heat."
3"She closed her fist around"
4"She had come because Eva"
5"Her trainers hit damp earth"
6"She dragged the bike onto"
7"Her straight black hair, cut"
8"She pulled her jacket zip"
9"Her footsteps made no echo."
10"She remembered Isolde's voice on"
11"She stopped at the edge"
12"Her bright blue eyes scanned"
13"She fished her phone from"
14"Her thumb jabbed at Eva's"
15"Her voice left her mouth"
16"She cleared her throat."
17"It piped through the trees,"
18"Her hand went to the"
19"She stared at it until"
ratio0.331
37.21% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount115
totalSentences136
matches
0"The gate at Richmond Park"
1"Aurora Carter had not expected"
2"The iron bars rose high"
3"Her phone showed twenty three"
4"The chain that should have"
5"She cut the engine on"
6"London never went quiet."
7"The Heartstone Pendant rested against"
8"It gave off heat."
9"She closed her fist around"
10"The crimson stone, no larger"
11"She had come because Eva"
12"Eva's voice message still sat"
13"Eva never asked like that."
14"Eva demanded, cajoled, barged in"
15"Eva did not say please"
16"Aurora swung her leg off"
17"Her trainers hit damp earth"
18"She dragged the bike onto"
19"The park beyond the gate"
ratio0.846
73.53% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences136
matches
0"Even here traffic hummed beyond"
1"Now the leaves above the"
ratio0.015
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences53
technicalSentenceCount1
matches
0"The stone's glow bled between her fingers, faint crimson light that threw her shadow long across the grass toward the south stone."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
91.3301%