Run: 2026-09-23-01M36R1XYP8PFXDF1D5QGENS3S

Run Details

Duration:
47.4s
Cost:
$0.001945
Provider:
OpenAI

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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> 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.

Model response

AI
The pendant had warmed against her skin sometime after midnight, while Rory was still three streets from Richmond Park. Not much. A thumb-sized stone of heat beneath her shirt, a faint pulse she might have mistaken for her own heartbeat if she hadn’t stopped beneath a streetlamp to check. The crimson gem had held a soft, almost private glow in the dark. She’d turned in a slow circle, trying to find a reason for it. Traffic. Brick walls. The black, bristling edge of the park beyond its iron railings. Then the warmth had faded. She could have gone home. She had, in fact, walked half a mile in that direction before turning back. Now the park lay around her, vast and dark beneath a low ceiling of cloud. Rory kept one hand around the torch and the other pressed to the pendant through her coat. Its silver chain had snagged in her hair twice on the walk over. She’d left it tucked inside her shirt after that, where the stone could rest against her breastbone. The torchbeam swept over an empty path. Wet leaves shone slickly in the light. Somewhere far off, a fox barked once. Rory listened. Nothing answered. “Brilliant,” she muttered. “Out in the middle of the night chasing a necklace.” Her voice went no farther than the trees. She had told herself she was being sensible. The pendant had reacted to something. She’d spent weeks trying to learn what, and she was tired of carrying around an object that warmed and glowed without explanation. If it did the same thing here, she could at least rule out the park. If it didn’t, she could go home and get some sleep. She checked the time on her phone. 12:43. The screen showed three bars of signal and a battery at sixty-one percent. Rory took a quick photograph of the path behind her, more for the comfort of having a record than any practical reason. The flash made the nearest trunks jump out pale and wet. Beyond them, the park was a knot of shadows. She put the phone away. The pendant pulsed once beneath her coat. Rory stopped. The warmth was slight, but definite. A slow throb against her skin. She pulled the stone free of her collar. The gem’s inner glow was no brighter than a coal behind smoked glass, but it was there. She turned toward the trees on her left. A narrow track ran between them, almost hidden by bracken. It wasn’t on the map she’d glanced at on the bus. She aimed her torch down it. The beam caught a strip of mud, a scatter of pale stones, then darkness. No signpost. No rubbish. No paw prints or flattened grass. The pendant warmed again. “Fine,” Rory said, because the alternative was admitting she was nervous. “A little walk.” She stepped off the main path. The track pinched close around her, branches brushing her shoulders. Her shoes sank into soft ground. She moved slowly, torch held high, keeping the brighter open path in mind behind her. It wasn’t far to the trees’ edge, she told herself. She could turn back whenever she liked. The air changed first. Not colder, exactly. Still, the damp chill that had worked through her coat seemed to lift, and the smell of wet leaves gave way to something green and sweet. Wildflowers, though it was winter. Rory took another step, then stopped to listen. A sound moved through the trees ahead. Not an animal. Too measured for that. A soft, dry scrape, followed by a pause. Then another scrape, nearer. She tightened her grip on the torch. “Hello?” The word came back to her from somewhere to the right. Not an echo. It was too clear, too close. Someone had said hello in a quiet voice, with Rory’s own pitch and the little rasp she got when she was tired. She swung the light toward it. Nothing but trees, their bare upper branches lost in the dark. The track behind her appeared as a thin strip of damp earth. She could see the open path at its end, a paler slash between trunks. Rory looked back toward the sound. “Is somebody there?” The trees took the words and kept them. She stood still long enough for her pulse to steady, then went on. The path bent left. She didn’t remember it bending. She checked her phone again. The screen woke with a smear of her thumb across the glass. 12:46. The signal had vanished. That was normal enough. Richmond Park had dead spots. The pendant continued to pulse, slow and warm. Rory slid it back beneath her shirt and followed the track. A few minutes later, the trees opened. She came out into a clearing ringed with ancient oaks. In the torchlight, the ground looked almost black, but flowers grew across it in thick drifts: white heads and small blue stars, bright with dew. Their petals trembled though there was no wind. Standing stones rose at the clearing’s edge. They were not arranged in a neat circle, as in the tourist photographs she’d seen of other places. Some leaned inward. One was split from top to bottom. Their rough sides were furred with lichen that caught the light a dull, unhealthy green. Rory stopped just short of the first flowers. The pendant’s pulse quickened. She stood with the stone held in her palm, its silver chain looped around her fingers. The glow showed through the thin skin of her hand. Beyond the clearing, the trees crowded close, their trunks black and slick as if they had been standing in water. This was what she’d come for. At least, it had to be. The pendant was reacting here. There was something in this place that had drawn it, and she had found it. A sensible thought followed: turn around, go home, come back in daylight. Rory looked at the standing stones. There was no reason a place should feel this still. Even the park at night had its ordinary noises: distant roads, wind, the occasional dog, branches knocking together. Here, silence pressed against her ears until she became aware of her own breathing. Then came a faint rustle from the far side of the clearing. She pointed the torch toward it. The beam passed over flowers, the pale flank of a stone, a tangle of oak roots. At the edge of the light, something moved behind a trunk. Rory’s arm jerked. The beam snapped back. Nothing. She kept the torch fixed on the tree. Her eyes ached from the strain of trying to make shapes out of shadow. She saw the trunk, the roots, the flowers beneath them. A low branch hung over the clearing. Nothing else. A bird called from somewhere overhead. Three notes, low and hollow. Rory looked up. The torch picked out bare twigs against the cloud. The call came again, from the far edge of the grove. It was not a bird. She knew what a bird sounded like. She’d heard the same three notes from a phone speaker, somewhere very near her left ear. Her throat tightened. The phone. She fumbled it out and opened the audio recorder. The red dot appeared. She held the phone high and let it capture the silence. A minute passed. She lowered it. On the screen, the timer read 00:00. Rory stared at it. She had watched the numbers start counting. She was sure of that. She pressed the screen, but the recorder closed. When she opened it again, the red dot stayed dark. “Right,” she whispered. The word seemed to sink into the flowers. She backed away from the clearing, eyes on the stones. Her heel caught on something. She glanced down and found a pale, narrow track crossing the ground, pressed into the flowers as though someone had walked there before her. The stems had not snapped. They lay neatly bent in the direction of the standing stones. Rory looked up. The gap between two stones was empty. She was certain it had been empty. Now there was a shape in it. A person, perhaps. Too thin to be a trunk, too tall to be a child. The darkness seemed to gather in the gap, making a head and shoulders where there should have been nothing. Rory raised the torch. The beam washed over bare stone. She lowered it. The shape returned. Her mouth had gone dry. She didn’t want to look away. She didn’t want to keep looking. The pendant grew hotter against her palm, and the pulse beneath its glow came quick and urgent, like a trapped thing beating itself against a wall. A whisper crossed the clearing. “Rory?” She stopped breathing. It had been Eva’s voice. Not exactly. A little thinner, softened by distance. But it had the same upward curl at the end of her name, the same familiar impatience, as if Eva were calling from another room and Rory had left her waiting. Rory turned toward the sound before she could stop herself. The clearing was empty. The flowers stood motionless. The trees beyond them made a dark wall. “Eva?” she said. The whisper came again, from behind her. “Rory?” The torchbeam trembled. She caught it with both hands and forced the light around. The track she’d come by was gone. Or not gone. The trees still stood where they had stood, the ground was still there, the dark still threaded between trunks. But the narrow path had vanished into a tangle of bracken and roots. There was no pale slash of open park beyond. No sign of the way back. Rory backed toward the stones. Her hand shook hard enough to rattle the chain. “Who’s there?” Something clicked softly among the oaks. A single, neat sound, like a tongue against teeth. The pendant was hot now. Not burning, but close. It glowed between her fingers, the crimson light staining her palm. She felt the old crescent scar on her left wrist pull tight as she clenched her hand. She made herself breathe. Think. She had entered a clearing. She had come along a track. The track had to lead out. If she picked a direction and kept moving, she would reach the main path. This was a park. A place on a map. Trees and grass and stones. She turned her back on the standing stones and chose the broadest gap between the oaks. The flowers brushed her ankles as she crossed the clearing. Their sweet smell thickened until it tasted like perfume. Halfway to the trees, she heard the scrape again. Behind her. Rory didn’t look back. The scrape sounded once, then stopped. She reached the tree line. The branches formed a low arch ahead, and beyond it the ground dipped into black. Rory put one foot beneath the first bough. A voice, close at her shoulder, whispered, “You came alone.” She flinched away so violently that the torch struck the trunk. Pain burst across her knuckles. The beam spun through flowers and stone and caught, for an instant, a face among the oaks. Pale. Still. Watching. Then the light settled on empty trees. Rory backed away from the bough. She did not run. Running would make the dark wider. She held the torch in front of her and took one step, then another, crossing the clearing toward the standing stones because they were the only things she could see clearly. As she passed between them, the pendant gave a single, hard pulse. The grove answered with a sound like a great breath drawn in. Every flower turned toward her. Rory stopped. Across the clearing, where she had stood moments earlier, someone stood at the tree line. The figure was no more than a darker seam in the night, but its posture was unmistakable: one hand raised to shield its face from the torch. Rory lowered the beam. The figure lowered its hand. She raised the torch again. It did not. The glow from the pendant filled the hollow of her fist. In its red light, the stones seemed to lean toward her. The path between them was narrow enough to slip through. Beyond them lay more darkness, but at least it was a direction. Rory stepped forward. Behind her, in her own voice, someone said, “Don’t go.” She stopped so abruptly that her teeth clicked together. The figure at the tree line had not moved. “Rory,” it said again, in the same voice she used when she called for herself in the dark. “You’ve only just got here.” The pendant beat against her palm, warm as a living heart. She stared at the stones until the torchlight blurred. Then she heard, somewhere beyond them, the fox bark once. A long way off. Or very close. Rory stepped through.
created_at"2026-09-23T09:02:56.48Z" 9/23/2026, 9:02:56 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4063
moderation_latency(null)
generation_time47334
tokens_prompt792
tokens_completion3912
native_tokens_prompt742
native_tokens_completion3742
native_tokens_completion_images0
native_tokens_reasoning1090
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"default"
usage0.0019452
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790154176-s7DQTSx7HCJeguNe2CpP"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790154176-sdlOI3hDnKwwV5OLvh2g"
upstream_id"resp_0da0f818bea51dcd016ab395c09d7887d183394bed52fe1334"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_0da0f818bea51dcd016ab395c09d7887d183394bed52fe1334"
is_byokfalse
latency597
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0019452
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
66.67% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags7
adverbTagCount1
adverbTags
0"it said again [again]"
dialogueSentences15
tagDensity0.467
leniency0.933
rawRatio0.143
effectiveRatio0.133
90.65% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2138
totalAiIsmAdverbs4
found
0
adverb"slowly"
count1
1
adverb"very"
count2
2
adverb"softly"
count1
highlights
0"slowly"
1"very"
2"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)
50.89% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2138
totalAiIsms21
found
0
word"pulse"
count6
1
word"warmth"
count2
2
word"pulsed"
count1
3
word"throb"
count1
4
word"chill"
count1
5
word"measured"
count1
6
word"echo"
count1
7
word"trembled"
count2
8
word"quickened"
count1
9
word"silence"
count2
10
word"whisper"
count2
11
word"familiar"
count1
highlights
0"pulse"
1"warmth"
2"pulsed"
3"throb"
4"chill"
5"measured"
6"echo"
7"trembled"
8"quickened"
9"silence"
10"whisper"
11"familiar"
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
emotionTells1
narrationSentences250
matches
0"was nervous"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences250
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences258
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen31
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2138
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
85.62% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount2097
uniqueNames4
maxNameDensity1.29
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
Rory27
Richmond2
Park2
Eva2
persons
0"Rory"
1"Eva"
places
0"Richmond"
1"Park"
globalScore0.856
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences159
glossingSentenceCount2
matches
0"sounded like"
1"tasted like perfume"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.468
wordCount2138
matches
0"Not burning, but close"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences258
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs115
mean18.59
std17.43
cv0.938
sampleLengths
019
170
25
319
462
521
64
713
88
962
1063
115
127
132
1437
158
1651
174
1814
196
2048
2146
227
2319
248
2511
2631
276
2837
299
308
3144
329
3319
347
3543
3650
378
384
3946
4032
4112
4248
4312
4422
4511
467
471
4841
4911
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences250
matches
0"were furred"
1"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs350
matches
0"was being"
1"was admitting"
2"was reacting"
3"were calling"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences258
ratio0
matches(empty)
95.38% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount508
adjectiveStacks0
stackExamples(empty)
adverbCount23
adverbRatio0.045275590551181105
lyAdverbCount3
lyAdverbRatio0.005905511811023622
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences258
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences258
mean8.29
std5.73
cv0.691
sampleLengths
019
12
228
313
413
51
62
711
85
95
1014
1115
1217
1313
1417
157
167
177
182
192
203
2110
228
238
246
2522
2615
2711
287
291
3013
3122
3211
339
345
357
362
376
386
398
4017
418
4210
4311
446
4514
462
472
486
494
44.14% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.23828125
totalSentences256
uniqueOpeners61
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount10
totalSentences227
matches
0"Then the warmth had faded."
1"Somewhere far off, a fox"
2"Too measured for that."
3"Then another scrape, nearer."
4"At least, it had to"
5"Even the park at night"
6"Then came a faint rustle"
7"Too thin to be a"
8"Then the light settled on"
9"Then she heard, somewhere beyond"
ratio0.044
89.60% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount74
totalSentences227
matches
0"She’d turned in a slow"
1"She could have gone home."
2"She had, in fact, walked"
3"Its silver chain had snagged"
4"She’d left it tucked inside"
5"Her voice went no farther"
6"She had told herself she"
7"She’d spent weeks trying to"
8"She checked the time on"
9"She put the phone away."
10"She pulled the stone free"
11"She turned toward the trees"
12"It wasn’t on the map"
13"She aimed her torch down"
14"She stepped off the main"
15"Her shoes sank into soft"
16"She moved slowly, torch held"
17"It wasn’t far to the"
18"She could turn back whenever"
19"She tightened her grip on"
ratio0.326
59.12% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount182
totalSentences227
matches
0"The pendant had warmed against"
1"A thumb-sized stone of heat"
2"The crimson gem had held"
3"She’d turned in a slow"
4"The black, bristling edge of"
5"She could have gone home."
6"She had, in fact, walked"
7"Rory kept one hand around"
8"Its silver chain had snagged"
9"She’d left it tucked inside"
10"The torchbeam swept over an"
11"Her voice went no farther"
12"She had told herself she"
13"The pendant had reacted to"
14"She’d spent weeks trying to"
15"She checked the time on"
16"The screen showed three bars"
17"Rory took a quick photograph"
18"The flash made the nearest"
19"She put the phone away."
ratio0.802
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount5
totalSentences227
matches
0"Now the park lay around"
1"If it did the same"
2"If it didn’t, she could"
3"Now there was a shape"
4"If she picked a direction"
ratio0.022
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences82
technicalSentenceCount4
matches
0"She’d spent weeks trying to learn what, and she was tired of carrying around an object that warmed and glowed without explanation."
1"Still, the damp chill that had worked through her coat seemed to lift, and the smell of wet leaves gave way to something green and sweet."
2"Their rough sides were furred with lichen that caught the light a dull, unhealthy green."
3"But it had the same upward curl at the end of her name, the same familiar impatience, as if Eva were calling from another room and Rory had left her waiting."
53.57% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount1
matches
0"Rory said, because the alternative was admitting she was nervous"
16.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount2
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
dialogueSentences15
tagDensity0.4
leniency0.8
rawRatio0.333
effectiveRatio0.267
88.4103%