Run: 2026-03-18-01KM091SWQ9P2TFJB47DDEXCGN

Run Details

Duration:
17.3s
Cost:
$0.015600
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
Rory had been in Richmond Park long enough to learn that night altered the place before it altered anything else. The broad dark of the park did not feel empty so much as withheld. The trees stood in clusters like witnesses choosing not to speak. The grass shone damp under the moon, silvered at the tips where it bent, and somewhere far off a fox yipped once and then went quiet as if it had remembered itself. Rory kept to the path as long as she could, one hand in the pocket of her coat, the other closed over the Heartstone pendant hanging at the base of her throat. The stone was warm. Not hot. Not yet. Just a faint, steady heat that had begun in her flat above Silas’ bar an hour ago, when it had given a single hard pulse against her skin and sent her upright in bed like she’d been touched by a live wire. It had never done that before. It had sat in her life like a secret she hadn’t asked for and couldn’t return, dark red and thumb-sized and too heavy with its own silence. Tonight, though, it had throbbed with a warmth that seemed to come from somewhere deeper than the gem itself, a direction rather than a sensation. A tug. Hel portal, she thought grimly, because the pendant had warmed before, once or twice, in places that made her teeth ache and the hair on her arms rise. That was enough to make her come here with a torch, a charged phone, and a flat, hard knot of dread she had tried to call caution. She stopped where the path forked and looked up through the trees. The grove was ahead, hidden behind a low rise and a stand of dark trunks. She could not see the standing stones from here, but she knew where they were. Ancient oak, she had been told, though they looked more like some older idea of trees made solid and forced to stand forever. The boundary to the grove sat around them like a held breath. People in the know said the pocket between worlds began there. People who did not know called it a pretty part of the park and took photographs in the daylight, never realizing that time could slip sideways there, that an hour inside could spill into minutes or days outside, depending on what the place wanted. Rory flexed her left wrist, the skin over the old crescent scar tight under her sleeve, and kept moving. The air changed before she reached the stones. It wasn’t colder exactly. It was thinner. The night lost something essential, as if she had stepped beneath a sheet stretched over the world. Sounds narrowed. The distant traffic from beyond the park thinned to a soft, useless hush. Her own footsteps on the damp ground sounded overclear, each one clipped and sharp. She came around the rise and saw the boundary stones in silhouette, their pale bark and gnarled branches catching the moon like bone. The wildflowers came first. They should not have been blooming here in late night, late season, at the edge of a park in London, but the ground inside the ring of stones was crowded with them. White, yellow, violet blossoms bowed their heads in the dark, all of them open as if it were midsummer. Rory felt her stomach tighten. The petals looked wet though no rain had fallen. She had the absurd impulse to check whether they were moving. She was halfway to doing that when the pendant gave a small pulse of warmth against her chest. Rory drew in a careful breath. “All right,” she muttered, to the pendant or herself, she wasn’t sure which. “I’m here. Happy?” The stone did not answer, of course, but the warmth settled, humming faintly. She swallowed and stepped between the standing stones. The world inside the grove took her with no resistance and too much of it. She felt it in the skin of her face, in the pressure behind her eyes, in the way the air seemed to slide over her instead of around her. The night opened into something wider and stranger. The clearing beyond the stones was larger than it had any right to be, the trees at its edge standing farther away than they should, as if someone had stretched the space while she wasn’t looking. Moonlight pooled in pale lakes on the grass. The flowers shifted gently in a breeze she could not feel. At the center of the grove, a line of darkness cut through the silver ground. Rory frowned and took two steps closer before she realized the line was a path worn bare through the flowers, leading deeper into the clearing. She had not seen it before. She had been here in daylight only once, and then with other people, and she remembered the place as a narrow, secret pocket of green bordered by old trees. This version felt more like a mouth. Open. Waiting. She lifted her torch, but the beam did almost nothing. The light went out into the grove and seemed to soften, swallowed by the air. She clicked it off again. The moon was enough, or nearly. The pendant warmed a little more. There was something out there, then. A shift in the hidden geometry of the place. She could feel it in the way the grove seemed to lean. Rory stood very still and listened. At first she heard only the expected things: leaves rubbing together high overhead, the faint hum of insects, the slow drip of moisture from somewhere in the branches. Then, from the far edge of the clearing, came the soft crack of a twig. Rory’s head turned at once. Nothing. She kept her eyes fixed on the dark between two trees. A second passed. Then another. Her heartbeat was too loud in her ears. She told herself it was a fox. A bird dropping from a branch. A bad piece of luck and a nervous mind. She had not slept properly in days. She had come alone in the middle of the night to a place the size of a rumor because a cursed piece of jewelry had started acting like a compass. There was plenty of room for nerves. A second crack sounded, closer this time, and to her left. Rory turned again, sharp enough that her shoulder tugged. The moonlight showed only flowers, trunks, and the dark arch of branches. Yet she had the distinct, ugly certainty that something had shifted just beyond the reach of sight, a tall shape ducking back into concealment as soon as she looked. Her pulse banged once against the pendant. The warmth sharpened. Not painful. Urgent. “Show me something,” Rory said under her breath, and hated how thin her voice sounded in the open place. No answer. Only the hush of the grove and, beneath it now, another sound she could not place. A whisper, maybe. Not words. Breath. She stood there, measuring the dark with her eyes, and the whisper came again, close enough this time that her scalp prickled. It had the grain of someone speaking just behind her shoulder, though no one stood there when she spun around. The movement made the flowers at her feet sway in a small wave. Rory froze. The blossoms were moving wrong. Not from wind. Not really. They bent and turned in a slow, deliberate ripple, all of them angling toward her with a mild, almost courtly attention. She stared, feeling the first clean knife of fear slide into place under her ribs. “Okay,” she said, too quietly. “No.” The words steadied her a fraction. She had been afraid before. Fear was only useful if it kept its shape. She forced her breathing deeper and looked around the clearing with intent rather than panic. The grove remained empty. That was the problem. Empty places did not feel like this. Empty places had edges. They had silence that made sense. This one had presence without body, intention without source. She could sense it in the small tilts and pauses of the air, in the way the night seemed to listen back when she moved. Her phone, in her hand now without her remembering reaching for it, had no signal at all. The screen glowed a dead, bluish white. She angled it toward the trees. The camera view on the screen showed the grove a second at a time, lagging just enough to feel wrong. In the display, something tall moved behind the far trunk. Rory jerked her gaze up. Nothing. She looked back at the screen. The shape was still there, pale against the dark: the suggestion of shoulders, a head too narrow to be human, long arms hanging too low. The image flickered when she blinked. Her mouth went dry. It was not on the screen anymore. The phone went black in her hand. A sound came from behind her, this one unmistakable: the soft scrape of something stepping through wet grass. Rory did not turn at once. She made herself count two breaths, slow and even, as if she were deciding whether to answer a door. The pendant’s heat had climbed from warmth to a steady burn. Not enough to scald, but enough now that she knew it without touching it. She could feel its pulse against her sternum, stubborn and quick. One step. Another. Then a pause. She turned. No one stood where the sound had come from. The standing stones behind her looked taller now, more closely packed, their shadows overlapping in a way she did not remember. One of them bore a strip of moss that had not been there before. Or maybe it had. Maybe the grove was reordering itself as she watched. A laugh came from somewhere very far away. Rory’s skin went cold all at once. The sound was faint, wind-bent, almost cheerful. She knew immediately that it was not human, because no human being would make a sound like that in this place, at this hour, with this quiet wrapping the world. It drifted over the flowers and vanished. She took a step backward without meaning to and her heel struck something hard. She looked down. A silver chain lay in the grass. For a moment her mind simply refused to sort it. She already wore the Heartstone pendant around her neck. The chain at her throat felt familiar, cool against the skin below the heated stone. This was another chain, half-buried in the flowers, slender and bright as moonlight. A clasp gleamed at one end. The other disappeared into the dark between two roots. Rory crouched slowly, never taking her eyes fully off the trees. The chain was cold to the touch when she reached for it. It slid over her fingers with a faint metallic whisper, and the sound made her throat tighten for no sensible reason. She followed it with her gaze. It led into the roots of a tree that should not have been there. She had not noticed the tree before. It stood just beyond the last ring of flowers, its bark pale and smooth, trunk twisted in a manner that suggested age beyond anything in the park. The roots rose above the soil like fingers pressed into earth. Between them was a dark seam, narrow as a crack in a wall. The pendant at her chest flared hot. Rory sucked in a breath and straightened at once, so fast she nearly lost her balance. The seam between the roots widened by a hair’s breadth. Not enough to show anything inside. Enough to prove it was opening. Her body wanted to move. Forward, back, anywhere but where she was. Instead she stood rooted to the damp ground, every instinct shouting that she had made a terrible mistake by coming alone, at night, with only a torch and a piece of stolen mystery around her neck. The whisper came again. This time it had shape. Not words she knew. Not even language, exactly. More like a voice trying on the idea of speaking through wet leaves and old water. It rose and fell in a sound that seemed to touch the inside of her skull rather than her ears. Rory pressed her free hand to her mouth, the old scar on her wrist pulling tight, and tried to slow her breathing. The seam in the roots widened another fraction. Something moved behind it. Not a face. Not yet. Just the impression of depth where no depth should exist. The sense of watching from the wrong side of a wall. Rory’s heart hammered so hard it hurt. Her mind, traitorous and quick, began assembling exits, probabilities, stupid practicalities. The stones behind her. The path beyond them. Phone dead. No signal. No good. She could run, but if the grove was warping distance the way people said it did, running might not mean anything at all. She had come because the pendant had pulled her here, because something inside her had known this place mattered, because she had not yet learned how to ignore a warning even when every sensible part of her begged her to. The thing in the roots made a slow sound, almost a sigh. Rory lifted her chin. “Whatever you are,” she said, and was relieved to hear her voice hold, “I’m not coming in there.” The silence that followed felt attentive. Then, from somewhere very near her ear, someone whispered her name. Not Rory. Not even Aurora. Laila. The old nickname struck her like a hand closed around the back of her neck. She whirled, stumbling, the breath punched out of her. There was no one there. Only flowers bending in the dark, silver petals trembling. But the sound had been intimate, soft with certainty. Too close. Too knowing. Her phone vibrated once in her palm. She looked down, heart lurching, and saw the black screen light with a single notification box. No signal, it read. Below it, a second message began to appear, letter by letter, as if someone were typing from the other side of the dark. Don’t turn around. Rory went utterly still. Behind her, something breathed. The night in the grove seemed to draw itself in, every tree, every stone, every flower leaning toward the same small point of terror in the center of the clearing. The pendant burned against her skin, bright enough now that she thought, absurdly, that it might show through her shirt. She could feel the shape of the thing behind her without seeing it: tall, patient, close enough that she could have reached back and touched it if she had been foolish. The message on her phone added one final word. Run. Rory moved.
created_at"2026-03-18T10:49:49.733Z" 3/18/2026, 10:49:49 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6151
moderation_latency(null)
generation_time17045
tokens_prompt812
tokens_completion3903
native_tokens_prompt742
native_tokens_completion3343
native_tokens_completion_images0
native_tokens_reasoning382
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0156
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0857091e2ddefc350169ba834dca888193b388045f747cac07"
is_byokfalse
latency202
model_permaslug"openai/gpt-5.4-mini-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773830989-tsiHQutx3fqsJ4vUMlOk"
upstream_id"resp_0857091e2ddefc350169ba834dca888193b388045f747cac07"
total_cost0.0156
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

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
85.83% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2470
totalAiIsmAdverbs7
found
0
adverb"gently"
count1
1
adverb"very"
count3
2
adverb"really"
count1
3
adverb"slowly"
count1
4
adverb"utterly"
count1
highlights
0"gently"
1"very"
2"really"
3"slowly"
4"utterly"
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)
43.32% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2470
totalAiIsms28
found
0
word"pulse"
count4
1
word"silence"
count3
2
word"throbbed"
count1
3
word"warmth"
count5
4
word"charged"
count1
5
word"footsteps"
count1
6
word"stomach"
count1
7
word"could feel"
count3
8
word"whisper"
count4
9
word"flickered"
count1
10
word"familiar"
count1
11
word"sense of"
count1
12
word"vibrated"
count1
13
word"lurching"
count1
highlights
0"pulse"
1"silence"
2"throbbed"
3"warmth"
4"charged"
5"footsteps"
6"stomach"
7"could feel"
8"whisper"
9"flickered"
10"familiar"
11"sense of"
12"vibrated"
13"lurching"
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
narrationSentences222
matches
0"was relieved"
78.51% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount10
narrationSentences222
filterMatches(empty)
hedgeMatches
0"seemed to"
1"tried to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences224
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2470
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions28
wordCount2422
uniqueNames6
maxNameDensity0.91
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
Richmond1
Park1
Heartstone2
London1
Rory22
Aurora1
persons
0"Rory"
places
0"Richmond"
1"Park"
2"London"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences155
glossingSentenceCount2
matches
0"warmth that seemed to come from somewhere deeper than the gem itself, a direction rather than a sensation"
1"sound that seemed to touch the inside of her skull rather than her ears"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.405
wordCount2470
matches
0"Not enough to scald, but enough now"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount3
totalSentences224
matches
0"learn that night"
1"realizing that time"
2"shouting that she"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs93
mean26.56
std28.76
cv1.083
sampleLengths
020
189
24
3106
455
512
6120
719
88
976
104
1176
1218
1322
1421
1515
1692
1715
1869
1936
206
2133
2243
235
241
2583
267
2711
2850
297
306
3119
3218
333
343
3555
362
375
3841
396
4035
414
424
4375
4436
455
461
4741
487
497
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences222
matches
0"been told"
1"was relieved"
94.46% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs379
matches
0"wasn’t looking"
1"were deciding"
2"was reordering"
3"was opening"
4"was warping"
5"were typing"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences224
ratio0
matches(empty)
89.63% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount135
adjectiveStacks0
stackExamples(empty)
adverbCount7
adverbRatio0.05185185185185185
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences224
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences224
mean11.03
std8.93
cv0.809
sampleLengths
020
114
211
332
432
54
62
72
842
96
1027
1125
122
1328
1427
1512
1615
1715
1823
1912
2011
2144
2219
238
244
253
2617
272
2813
2914
3023
314
3232
3319
345
359
3611
3718
386
3913
403
4113
428
4315
4429
458
4636
478
4811
4915
39.29% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats24
diversityRatio0.25
totalSentences224
uniqueOpeners56
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount10
totalSentences193
matches
0"Just a faint, steady heat"
1"Then, from the far edge"
2"Only the hush of the"
3"Then a pause."
4"Maybe the grove was reordering"
5"Instead she stood rooted to"
6"More like a voice trying"
7"Just the impression of depth"
8"Then, from somewhere very near"
9"Only flowers bending in the"
ratio0.052
93.58% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount61
totalSentences193
matches
0"It had never done that"
1"It had sat in her"
2"She stopped where the path"
3"She could not see the"
4"It wasn’t colder exactly."
5"It was thinner."
6"Her own footsteps on the"
7"She came around the rise"
8"They should not have been"
9"She had the absurd impulse"
10"She was halfway to doing"
11"she muttered, to the pendant"
12"She swallowed and stepped between"
13"She felt it in the"
14"She had not seen it"
15"She had been here in"
16"She lifted her torch, but"
17"She clicked it off again."
18"She could feel it in"
19"She kept her eyes fixed"
ratio0.316
63.63% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount153
totalSentences193
matches
0"Rory had been in Richmond"
1"The broad dark of the"
2"The trees stood in clusters"
3"The grass shone damp under"
4"Rory kept to the path"
5"The stone was warm."
6"It had never done that"
7"It had sat in her"
8"Tonight, though, it had throbbed"
9"Hel portal, she thought grimly,"
10"That was enough to make"
11"She stopped where the path"
12"The grove was ahead, hidden"
13"She could not see the"
14"The boundary to the grove"
15"People in the know said"
16"People who did not know"
17"Rory flexed her left wrist,"
18"The air changed before she"
19"It wasn’t colder exactly."
ratio0.793
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences193
matches(empty)
ratio0
96.77% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences93
technicalSentenceCount6
matches
0"The grass shone damp under the moon, silvered at the tips where it bent, and somewhere far off a fox yipped once and then went quiet as if it had remembered its…"
1"Tonight, though, it had throbbed with a warmth that seemed to come from somewhere deeper than the gem itself, a direction rather than a sensation."
2"People who did not know called it a pretty part of the park and took photographs in the daylight, never realizing that time could slip sideways there, that an h…"
3"The night lost something essential, as if she had stepped beneath a sheet stretched over the world."
4"White, yellow, violet blossoms bowed their heads in the dark, all of them open as if it were midsummer."
5"The clearing beyond the stones was larger than it had any right to be, the trees at its edge standing farther away than they should, as if someone had stretched…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount0
matches(empty)
25.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0.25
effectiveRatio0.25
87.0003%