Run: 2026-03-09-01KK9Q7A6YBZ4H6B096E5A44EF

Run Details

Duration:
1m 45s
Cost:
$0.064225
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
By the time Aurora reached the edge of Richmond Park, the pendant had gone from warm to almost hot. It lay against her breastbone under two layers of clothing, a deep crimson weight on its silver chain, throbbing faintly as if it had a pulse of its own. She stood beside the locked gate, breath smoking white in the damp October dark, and let her fingers slip under her collar to touch it. The stone met her skin with a living heat. Not imagination, then. That was the trouble with strange things. The first time, you could call them stress. Lack of sleep. The aftertaste of too many bad nights and not enough sensible decisions. The second or third time, when the same impossible detail repeated itself with the patience of a debt collector, you had to either deal with it or admit you were losing your grip. She preferred dealing with it. So here she was, at half eleven, alone at the edge of a park she had no business entering after dark, because an artifact from nowhere had started reacting the closer she came to this particular patch of ground. Hel portal, she had thought, because the pendant did that near one. That was the only useful thing anyone had told her about it. Faint warmth. Inner glow. A warning, maybe. A compass, maybe. A lure was the thought she had not been entertaining. She climbed the low section of fence where the iron bowed inward, dropped lightly to the other side, and straightened. Wet grass brushed her trainers. Somewhere far off, London still existed—traffic hiss, a siren smeared thin by distance—but it felt like another country. The park stretched ahead in silver-black swathes. Trees hunched together in masses of shadow. The moon was nearly full and bright enough to give everything edges. Aurora pulled her coat tighter and started walking. She knew roughly where the grove should be. Isolde’s grove, some people called it, in the same tone people used for old churches and open graves. Not a place you stumbled into by accident unless it wanted you to. The standing stones marked the boundary, hidden among the older oaks where the ground dipped and the grass gave way to a tangle of roots and flowers that should not have been flowering at all. The pendant pulsed again. Hotter. “Good,” she muttered, though she didn’t mean it. The path dwindled beneath her feet. Mud sucked softly at the soles of her shoes. Bramble snatched at her coat hem. She ducked under a low branch and came out into a patch of colder air that smelled of wet bark and something sweeter beneath it, thick and almost overripe. Flowers. Too many of them. Too strong for autumn. There. The standing stones emerged by degrees, not grand enough to announce themselves, just pale vertical shapes between trunks at first, then unmistakable as she drew closer: old stones shouldering up from the earth in a ragged ring, mottled with lichen, roots crowding around them like knotted hands. Ancient oaks leaned above them, their branches webbed black against the moon. The wrongness began before she crossed. It was in the sound, or rather the sudden lack of it. The little night noises—the rustle of something small in leaf litter, the distant bark of a fox, the dry insect fuss in the grass—fell away one by one until her own footsteps seemed indecently loud. She stopped. Silence pressed back. Not true silence. There was still a sound. A faint, irregular ticking, as if wood were cooling after a fire. Aurora looked up at the trees. No wind moved the branches. The ticking came again from somewhere ahead of her, from inside the ring. She drew in a slow breath and let it out through her nose. “It’s a grove,” she told herself quietly. “Things creak.” Her voice seemed to travel nowhere. It didn’t echo. It simply vanished, swallowed whole. She slipped her phone from her pocket and checked the time. 11:37. No signal, which she had expected. The battery still full enough to be useful. She turned on the torch and aimed it between the stones. The beam washed over flowers first. White and blue and a violent red so dark it was nearly black, all blooming in dense drifts at the base of the oaks. Not bedraggled late survivors, but lush, open blossoms with petals unmarked by cold. Their scent rolled out in a wave, sweet enough to catch in the throat. The center of the grove lay beyond them, a clearing of close-cropped grass silvered with dew. The pendant burned. “All right,” she said, and stepped between the stones. The temperature changed at once. Not colder. Not warmer. Just wrong, as though the air had been strained through something fine enough to catch all the ordinary parts. Her ears popped. The hair lifted along her arms. She stopped two paces in and looked back. The park remained behind her: trees, shadow, the gap between stones. Nothing dramatic. No wall of light, no shimmering veil. Just the same dark she had entered from. Still, her body knew before her mind admitted it. She had crossed a line. Aurora moved deeper into the grove with deliberate care, sweeping the torch in slow arcs. The flowers nodded under the light. Dew flashed. The trunks of the oaks seemed farther apart than they should have been. Or maybe the clearing was larger inside than outside. She would not have put it past the place. The pendant gave another pulse, deep and heavy. The crimson stone had begun to glow through her fingers. She took it off her neck and held it in her palm. The silver chain spilled over her knuckles. The Heartstone’s inner light was faint, but undeniable now, as if a coal had been banked inside it. “Near a portal,” she murmured. The words made something shift to her left. Aurora turned the torch too fast and caught only motion: a pale blur slipping behind one of the trees. She froze, light fixed on the bark. Nothing came out again. Deer, she thought at once. Or fox. There were plenty in the park. Except that whatever she had seen had been higher than a fox and narrower than a deer, and it had moved with a peculiar smoothness, not the startled bolt of an animal but the careful withdrawal of something that had noticed the light. Her grip tightened on the phone. “Very funny,” she said to the dark, because the alternatives were worse. No answer. Only that faint ticking. She moved toward where she’d seen the shape. Halfway there she noticed the flowers. They were all turned the same way. Not toward the moon. Not toward her torch. Their open faces tilted slightly inward, as if they were listening to the center of the grove. Aurora stood still long enough for her heartbeat to make itself unpleasant. Then she crouched and touched one of the white blossoms with a forefinger. Cool, damp, entirely real. The petals twitched at the contact. She jerked her hand back. The flower settled again. Her scar, the small crescent on the inside of her left wrist, prickled in the cold air. An old, meaningless sensation, nerves remembering some childhood hurt. Tonight it felt like warning. She straightened and looked around carefully. The clearing appeared empty. Trees. Stones. Flowers. Moonlight. And the increasingly distinct conviction that something had been waiting for her to notice it. Aurora slipped a folded receipt from her coat pocket—the only bit of rubbish she had on her—and tucked it into a crack in the nearest standing stone. Mark your exit, she thought. Basic rule. Then she turned in a slow circle, orienting herself: stone with the split top to her right, low forked oak ahead, patch of red flowers to her left. Fine. If the grove wanted to play tricks, she could at least keep track of the trick. She took ten measured steps toward the center. On the seventh step, she heard another footfall behind her. Not an echo. An echo would have come back thinner, later. This landed almost with hers, a fraction out of time. Heel, then toe, soft in the grass. Aurora stopped. The second footfall stopped too. Her mouth had gone dry. She did not turn immediately. Some very old animal part of her had taken hold of her spine and locked it. She listened instead. Nothing. Then, close enough that she felt the sound rather than heard it, a faint breath. She spun around with the torch up. The grove lay open and empty. The standing stones watched from their places. The gap where she’d entered was still there. Only the receipt was gone. Aurora stared at the stone for a long second, not understanding. Then the beam shook slightly in her hand as she swept it across the ring. The receipt protruded from a different stone on the far side of the clearing. No wind. No one. Just a scrap of white paper neatly tucked into another crack as if an invisible hand had moved it there to prove a point. “All right,” she said again, and this time her voice sounded thin. She checked her phone. 11:37. The same time. Her stomach tightened. She had been inside at least ten minutes. More. Time moves differently here, she reminded herself. That was known. That was one of the rules. An hour inside could be minutes outside, or days. She knew that. Knowing it and seeing an unchanged clock face in her hand were not the same thing. The pendant flared hotter, so sudden it made her hiss and nearly drop it. The crimson light deepened. Not just warmth now. A tug. A directional pressure like a finger under her chin, turning her gently toward the north side of the grove where the shadows between two oaks had thickened into something almost solid. There was no shape there at first, only darkness layered on darkness. Then the darker patch shifted and came a step forward. Aurora’s mind rejected it before her body did. The figure was human-sized. Slim. Its outline blurred at the edges as though the night could not decide where to stop. It stood between the oaks with its head slightly bowed, one shoulder angled toward her. Female, she thought absurdly. The torchlight touched it and thinned, as though unwilling to rest there. “Who’s there?” she said. A pause. Then, from somewhere behind her, very softly: “Rory.” Eva’s voice. Every muscle in Aurora’s back locked. She did not turn. Eva was not here. Eva was at home or asleep or texting her to ask why she was awake, not standing in a fae grove at midnight calling her name in that exact low, impatient way. The figure between the trees lifted its head. The face remained hidden. Moonlight caught the line of a silver chain at its throat. Aurora’s hand flew to her chest. The Heartstone lay in her palm, hot and bright. Another pulse answered it from the dark figure. Not crimson. A dull, red-black ember under skin or cloth, impossible to place. Matching, somehow. Mirroring. “Nice try,” Aurora said, but the courage in it was mechanical now, all structure and no substance. The thing took one more step. Flowers all around the clearing folded inward at once, as if a cold wind had bent them, though the air stayed perfectly still. The ticking she had been hearing resolved itself in the silence. Not branches. Not wood. Teeth. Tiny, patient, clicking teeth from somewhere just beyond the reach of the torch. Aurora backed up, one step, then another, keeping the light on the figure. The boundary stones should have been behind her in three paces. She took six and found only more grass. No stones. No gap. Just the grove stretching on, impossible and unchanged. The torch beam wavered. Trees stood where no trees had been. The clearing had widened around her like a pupil dilating. This time, when her name came, it was her own voice speaking it. “Aurora.” Very close. Just over her shoulder. She turned. A woman stood at the edge of the light in her coat, her height, her shoulder-length black hair hanging damp and straight around a pale face. Bright blue eyes caught the moon and held it. The small crescent scar marked the left wrist where one hand hung loose at her side. At her throat gleamed a silver chain. And on it, a deep crimson stone the size of a thumbnail, pulsing faintly with warmth.
created_at"2026-03-09T16:34:58.406Z" 3/9/2026, 4:34:58 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency47568
moderation_latency(null)
generation_time105164
tokens_prompt812
tokens_completion5059
native_tokens_prompt742
native_tokens_completion4158
native_tokens_completion_images0
native_tokens_reasoning1552
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"
usage0.064225
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0fe35528cd066ae10169aef6b27b208193a64c8812775723af"
is_byokfalse
latency160
model_permaslug"openai/gpt-5.4-20260305"
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-1773074098-XLXFgcTvIdeZLugi397T"
upstream_id"resp_0fe35528cd066ae10169aef6b27b208193a64c8812775723af"
total_cost0.064225
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
75.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags8
adverbTagCount1
adverbTags
0"she said again [again]"
dialogueSentences11
tagDensity0.727
leniency1
rawRatio0.125
effectiveRatio0.125
69.12% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2105
totalAiIsmAdverbs13
found
0
adverb"lightly"
count1
1
adverb"softly"
count2
2
adverb"very"
count4
3
adverb"slightly"
count3
4
adverb"carefully"
count1
5
adverb"gently"
count1
6
adverb"perfectly"
count1
highlights
0"lightly"
1"softly"
2"very"
3"slightly"
4"carefully"
5"gently"
6"perfectly"
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)
45.37% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2105
totalAiIsms23
found
0
word"weight"
count1
1
word"pulse"
count3
2
word"warmth"
count3
3
word"pulsed"
count1
4
word"footsteps"
count1
5
word"silence"
count3
6
word"echo"
count3
7
word"measured"
count1
8
word"footfall"
count2
9
word"stomach"
count1
10
word"mechanical"
count1
11
word"structure"
count1
12
word"resolved"
count1
13
word"wavered"
count1
highlights
0"weight"
1"pulse"
2"warmth"
3"pulsed"
4"footsteps"
5"silence"
6"echo"
7"measured"
8"footfall"
9"stomach"
10"mechanical"
11"structure"
12"resolved"
13"wavered"
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
narrationSentences232
matches
0"y with warmth"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences232
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences234
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen47
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2099
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
totalMentions29
wordCount2078
uniqueNames9
maxNameDensity0.67
worstName"Aurora"
maxWindowNameDensity2
worstWindowName"Aurora"
discoveredNames
Aurora14
Richmond1
Park1
October1
London1
Heartstone2
Eva3
Trees3
Flowers3
persons
0"Aurora"
1"Heartstone"
2"Eva"
3"Trees"
4"Flowers"
places
0"Richmond"
1"Park"
2"London"
globalScore1
windowScore1
78.57% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences140
glossingSentenceCount4
matches
0"felt like another country"
1"seemed indecently loud"
2"seemed farther apart than they should have been"
3"as though unwilling to rest there"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords0.953
wordCount2099
matches
0"Not bedraggled late survivors, but lush, open blossoms with petals unmarked by cold"
1"not the startled bolt of an animal but the careful withdrawal of something"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences234
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs103
mean20.38
std19.4
cv0.952
sampleLengths
019
163
23
363
45
573
610
769
88
974
105
118
1259
131
1459
156
1649
173
1820
1924
2022
2114
2237
2357
2416
253
269
2737
288
2928
3014
3154
3218
3337
345
358
3626
374
3813
3943
406
4112
426
4314
447
4525
4635
475
484
4931
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences232
matches
0"been strained"
1"been banked"
2"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs321
matches
0"were losing"
1"were cooling"
2"were listening"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount0
flaggedSentences3
totalSentences234
ratio0.013
matches
0"Somewhere far off, London still existed—traffic hiss, a siren smeared thin by distance—but it felt like another country."
1"The little night noises—the rustle of something small in leaf litter, the distant bark of a fox, the dry insect fuss in the grass—fell away one by one until her own footsteps seemed indecently loud."
2"Aurora slipped a folded receipt from her coat pocket—the only bit of rubbish she had on her—and tucked it into a crack in the nearest standing stone."
75.67% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount2089
adjectiveStacks2
stackExamples
0"exact low, impatient way."
1"dull, red-black ember"
adverbCount113
adverbRatio0.05409286740067018
lyAdverbCount31
lyAdverbRatio0.014839636189564385
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences234
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences234
mean8.97
std7.92
cv0.883
sampleLengths
019
129
225
39
43
57
68
73
812
933
105
1139
1212
1312
142
152
163
173
1810
1920
205
2118
227
237
2412
258
268
2718
2813
2935
304
311
328
336
349
356
3629
371
384
394
401
4147
4212
436
4412
4535
462
473
483
495
45.55% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats21
diversityRatio0.3275862068965517
totalSentences232
uniqueOpeners76
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount17
totalSentences191
matches
0"Somewhere far off, London still"
1"Too many of them."
2"Too strong for autumn."
3"Just wrong, as though the"
4"Just the same dark she"
5"Only that faint ticking."
6"Then she crouched and touched"
7"Then she turned in a"
8"Then, close enough that she"
9"Only the receipt was gone."
10"Then the beam shook slightly"
11"Just a scrap of white"
12"Then the darker patch shifted"
13"Then, from somewhere behind her,"
14"Just the grove stretching on,"
15"Just over her shoulder."
16"Bright blue eyes caught the"
ratio0.089
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount45
totalSentences191
matches
0"It lay against her breastbone"
1"She stood beside the locked"
2"She preferred dealing with it."
3"She climbed the low section"
4"She knew roughly where the"
5"she muttered, though she didn’t"
6"She ducked under a low"
7"It was in the sound,"
8"She drew in a slow"
9"she told herself quietly"
10"Her voice seemed to travel"
11"It didn’t echo."
12"It simply vanished, swallowed whole."
13"She slipped her phone from"
14"She turned on the torch"
15"Their scent rolled out in"
16"she said, and stepped between"
17"Her ears popped."
18"She stopped two paces in"
19"She had crossed a line."
ratio0.236
96.13% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount139
totalSentences191
matches
0"It lay against her breastbone"
1"She stood beside the locked"
2"The stone met her skin"
3"That was the trouble with"
4"The first time, you could"
5"Lack of sleep."
6"The aftertaste of too many"
7"The second or third time,"
8"She preferred dealing with it."
9"Hel portal, she had thought,"
10"That was the only useful"
11"A warning, maybe."
12"A compass, maybe."
13"A lure was the thought"
14"She climbed the low section"
15"The park stretched ahead in"
16"Trees hunched together in masses"
17"The moon was nearly full"
18"Aurora pulled her coat tighter"
19"She knew roughly where the"
ratio0.728
52.36% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences191
matches
0"By the time Aurora reached"
1"If the grove wanted to"
ratio0.01
76.19% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences75
technicalSentenceCount7
matches
0"It lay against her breastbone under two layers of clothing, a deep crimson weight on its silver chain, throbbing faintly as if it had a pulse of its own."
1"She ducked under a low branch and came out into a patch of colder air that smelled of wet bark and something sweeter beneath it, thick and almost overripe."
2"A faint, irregular ticking, as if wood were cooling after a fire."
3"Just wrong, as though the air had been strained through something fine enough to catch all the ordinary parts."
4"The Heartstone’s inner light was faint, but undeniable now, as if a coal had been banked inside it."
5"Except that whatever she had seen had been higher than a fox and narrower than a deer, and it had moved with a peculiar smoothness, not the startled bolt of an …"
6"Flowers all around the clearing folded inward at once, as if a cold wind had bent them, though the air stayed perfectly still."
62.50% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount1
matches
0"she said, because the alternatives were worse"
25.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags8
fancyCount2
fancyTags
0"she muttered (mutter)"
1"she murmured (murmur)"
dialogueSentences11
tagDensity0.727
leniency1
rawRatio0.25
effectiveRatio0.25
86.7149%