Run: 2026-03-18-01KM0AR07FR2S7BJBCMWCG9B5X

Run Details

Duration:
13.8s
Cost:
$0.012176
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 grove should have been colder. Aurora Carter stood just inside the line of ancient oaks that marked the boundary and listened to the night breathe around her. Richmond Park lay behind her in a dark, familiar sprawl of trunks and shadow, but the space ahead had the wrong kind of quiet. Not silence. Silence belonged to empty streets, to closed rooms, to the moments after a door shut. This was something else: a held breath, a pause with intention behind it. The wildflowers at her feet glimmered pale in the darkness, too healthy for the season, too many of them, their thin heads turning in no wind she could feel. The moonlight caught on their petals and made them look wet. Rory tightened her fingers around the strap of her satchel and told herself not to be ridiculous. The Heartstone Pendant was warm against her sternum. It had been that way ever since she crossed the threshold into the grove. Not hot. Just alive in a way that made her skin crawl if she thought about it too long. The little crimson stone rested under her shirt, hidden on its silver chain, and gave off a faint pulse, as if it had decided her heartbeat was a suggestion worth following. She had come for a reason. That was what she repeated to herself whenever the hairs rose on her neck. A reason. A plan. A thing to find. The details were slippery now, the way they always got when fear started pressing its thumbs into the edges of thought, but she knew enough. Someone had said the grove was real. Someone had said things crossed here. Someone had said a portal, if there was one, would answer to the pendant. Aurora shifted her weight and looked back over her shoulder. The path she had used to enter the grove was there, technically, a gap between two of the standing stones where the trees thinned. Yet the shape of it kept refusing to settle. Every time she fixed her eyes on it, the opening seemed to move a fraction to the left, or narrow, or deepen. The park beyond looked ordinary in the moonlight—dark grass, black branches, the occasional ghostly pale trunk—but the longer she stared, the more it resembled a painted backdrop propped up behind the trees. She swallowed. “Right,” she muttered to the flowers, to the stones, to herself. “In and out.” Her voice came back to her too quickly. Not an echo. That would have been normal. This was her own words returning in a lower register, stretched thin like something had repeated them from far away with its mouth full of water. Rory’s stomach tightened. She stood still and listened. Nothing. Then, after a beat, the smallest sound: a rustle in the undergrowth to her left. Her head turned so fast her neck ached. A rabbit, maybe. A fox. A branch settling. She saw only fern shadows and a patch of moonlit bark. The grove’s wildflowers shivered again, though the air remained still. Rory took a slow breath through her nose. The smell of damp earth, leaf mold, and something sweetly rotten filled her lungs. She had expected the first two. The last one made her throat close. She started walking. The grove opened around her in an easy curve, the standing stones flanking her like watchful sentries. Ancient oaks rose on all sides, thick trunks twisted by age or by something older than age. Their roots pushed through the soil like knuckles. Between them, the year-round flowers spread in carpets of blue and white and violet, luminous in the dark. It would have been beautiful if beauty didn’t feel so aggressively arranged. Rory kept one hand in her pocket, thumb rubbing the edge of the cheap lighter she always carried and never used. Her other hand hovered near the pendant under her shirt, though she didn’t touch it. Every instinct she had was telling her to leave. That alone would have been annoying. The fact that she couldn’t stop herself from moving deeper into the grove was worse. A sound came from ahead. She froze. It was soft, almost delicate. Not a footstep. More like fabric dragging lightly over bark. The hair on her arms lifted. She stared between the trees and saw only darkness layered over darkness. The moon had climbed higher while she wasn’t looking, or maybe it had always been there and the grove had merely chosen to let her notice it now. Its light spilled through the canopy in thin bars, silvering the tops of the flowers. The dragging sound came again. Rory forced herself to breathe. If she bolted now, she told herself, she would panic, trip, and spend the next week explaining to some stranger how she’d nearly cracked her skull in a haunted park because of a bad feeling and a glowing necklace. No. She would keep moving. She would stay sharp. She had lived through worse than this. A memory flared without warning: Evan’s hand wrapped around her wrist, pain blooming sharp and white as he dragged her toward a door she did not want to go through. Her scar tingled under her sleeve, the small crescent on her left wrist whitening as her fingers curled. She shoved the memory down hard. Not now. Another rustle. This time it came from behind her. Rory spun. Nothing. The grove seemed to have shifted while she turned. The path she’d come from was still there, but farther away than it should have been, the standing stones pulled apart by a few feet too many, the opening beyond dark as a tunnel. She stared, unsettled by the simple impossibility of it. She had not walked far enough for the grove to rearrange itself. Yet the distance between her and the boundary had doubled, maybe tripled. Her pulse thudded once, heavy in her throat. “No,” she whispered. And then, faintly, from somewhere just beyond the nearest oak, came the answering whisper of her own voice. “No.” Rory’s eyes stung. She refused to blink. It was one thing to know, academically, that strange places behaved strangely. It was another to hear yourself spoken by something hidden in the trees. The pendant grew warmer. Her hand flew to her chest at once, fingers pressing through her shirt to the stone. The Heartstone Pendant pulsed under her touch, a deep crimson warmth, gentle as a heartbeat, insistent as a warning. The silver chain shifted against her skin. She drew it out into the moonlight. The pendant glowed faintly, a small inner ember in the shape of a gemstone. Its light was weak, but it was enough to make the air around it look denser. Rory stared at it, then lifted her gaze toward the dark between the trees. The glow seemed to point her forward. Not toward the path back. Deeper in. She hated that she noticed. The grove had gone still in that way places do when they are waiting for a choice. Rory let the chain slip through her fingers and stepped ahead. The flowers thickened as she moved. They brushed against her calves, cold and damp. Each stem seemed to tremble when she passed, though she could feel no breeze. The trunks on either side grew closer together, arching inward overhead until the moon became a thin, fractured thing overhead, sliced by leaves. She could hear her own footsteps now, soft on wet earth, and beneath them a second sound that kept trying to match her pace. She stopped. The other sound stopped too. She looked down at the ground and saw only her shoe prints and the crushed petals behind them. Then, just at the edge of her vision, something pale shifted between two roots. Small. Quick. A face, maybe. No, not a face. The impression of one. Too narrow, too long, and gone before she could focus. Her heart hammered hard enough to hurt. “Hello?” she said, because fear made idiots of all of them in the end. No answer. The grove answered instead with a low, wet creak from overhead. Rory looked up. A branch had bent low across the path between two trees. It was broad as a man’s arm, black with shadow. She had the mad, irrational sense that it had not been hanging there a moment ago. As she watched, the branch eased downward another inch, slow enough to be deliberate. The pendant burned warm against her skin. “Okay,” she breathed. The thing in the trees made a sound like a child trying to imitate a laugh and failing. Rory backed up one step. Then another. Her heel hit a root, and she caught herself before she fell. Her eyes never left the branch, because if she looked away, something in her bones told her she would regret it. The laugh came again, this time from her right. She whipped her head toward it so hard she saw stars. Between the oaks, just beyond the ring of flowers, stood a shape that was almost human. Almost. It had the outline of a person in a long, light garment, but the moonlight slid off it wrong, refusing to catch on any one edge. Too tall. Too thin. The head tilted at an angle that made her teeth ache just to look at. There was no face she could see, only darkness where features should have been, and yet she had the certainty of being observed with awful attention. Rory could not remember deciding to move. She was simply doing it, one careful step back, then another, the pendant clenched hard in her fist. The warmth from it had become a steady pulse, almost frantic now, as if it knew something she did not. The shape by the trees turned its head. No, not turned. Shifted. The movement was wrong enough to make her stomach lurch. It seemed to stretch rather than rotate, neck and shoulders slipping out of alignment and then settling into a new orientation with a soft crackle of leaves. Rory’s breath caught. Somewhere behind her, branches answered with a whisper. There were more of them. Not close. Not yet. But she felt them in the dark beyond her peripheral vision, in the places where the flowers stopped glowing and the trees thickened into a wall. A ring of attention. A patient narrowing. The certainty came over her not as thought but as physical fact, the same way cold enters the body. She was not alone. The realization should have been frightening. Instead it was worse than fear. It was recognition. As if the grove had finally allowed her to understand what it had been telling her from the moment she arrived. It had not called her here to find something. It had called her here to be found. Rory’s mouth went dry. She looked down at the pendant, and the crimson stone flashed once, brighter than before, throwing a smear of red light over her fingers and the silver chain. For one impossible instant, that red gleam seemed to cut straight through the dark ahead, revealing a narrow seam in the air between two trees. Not a path. Not exactly. More like a wound drawn open in the night, vertical and faintly shimmering at the edges. A portal. Her breath hitched. The shape in the trees made a sound, low and eager, and began to move. Rory did not wait to see how fast it could come. She ran. The flowers whipped at her legs and tore at her shoes as she sprinted toward the seam in the air, the pendant slamming against her chest with every stride. The grove lurched around her. Trees stretched longer than they should. Shadows slid over the ground ahead of her like dark water. She heard footsteps now, too many to count, and none of them matched the rhythm of her own. The seam brightened as she approached, the air around it trembling like heat over pavement. Rory reached out before she had time to think better of it. Her fingertips met something cold, then shockingly soft, as if she had pressed through the skin of a fruit. The space gave under her hand. Behind her came a sound like a dozen voices inhaling at once. Rory jerked forward. The grove snapped. That was the only word for it. The pressure in the air broke all at once, and the dark behind her surged with motion. She did not look back. She drove herself through the seam with the pendant blazing hot against her palm, and the world on the far side swallowed her whole.
created_at"2026-03-18T11:19:25.689Z" 3/18/2026, 11:19:25 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2904
moderation_latency(null)
generation_time13310
tokens_prompt812
tokens_completion3201
native_tokens_prompt742
native_tokens_completion2582
native_tokens_completion_images0
native_tokens_reasoning32
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"
usage0.0121755
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0d3f26c2bdaf41c60169ba8a3dbdc88197bfc83530fd0a9e5e"
is_byokfalse
latency180
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-1773832765-8XbO5hjtLTno3HUQj2Bm"
upstream_id"resp_0d3f26c2bdaf41c60169ba8a3dbdc88197bfc83530fd0a9e5e"
total_cost0.0121755
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
92.89% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2110
totalAiIsmAdverbs3
found
0
adverb"quickly"
count1
1
adverb"sweetly"
count1
2
adverb"lightly"
count1
highlights
0"quickly"
1"sweetly"
2"lightly"
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)
45.50% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2110
totalAiIsms23
found
0
word"familiar"
count1
1
word"silence"
count2
2
word"could feel"
count2
3
word"pulse"
count3
4
word"weight"
count1
5
word"echo"
count1
6
word"stomach"
count2
7
word"unsettled"
count1
8
word"whisper"
count2
9
word"pulsed"
count1
10
word"warmth"
count2
11
word"fractured"
count1
12
word"footsteps"
count2
13
word"lurch"
count1
14
word"lurched"
count1
highlights
0"familiar"
1"silence"
2"could feel"
3"pulse"
4"weight"
5"echo"
6"stomach"
7"unsettled"
8"whisper"
9"pulsed"
10"warmth"
11"fractured"
12"footsteps"
13"lurch"
14"lurched"
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
emotionTells0
narrationSentences200
matches(empty)
71.43% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount7
narrationSentences200
filterMatches
0"look"
1"notice"
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences202
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2108
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions24
wordCount2100
uniqueNames6
maxNameDensity0.81
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Carter1
Park1
Heartstone2
Pendant2
Evan1
Rory17
persons
0"Carter"
1"Pendant"
2"Evan"
3"Rory"
places
0"Park"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences130
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.474
wordCount2108
matches
0"not as thought but as physical fact, the same way cold enters the body"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences202
matches
0"been that way"
1"hated that she"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs84
mean25.1
std26.09
cv1.039
sampleLengths
06
176
257
38
464
56
674
710
887
92
1014
118
1242
131
1415
1537
1635
173
1872
1966
205
212
2215
2361
245
2560
2656
272
287
292
301
3176
328
333
3418
351
367
3725
384
3949
4058
415
4217
4311
4475
452
465
4755
487
4914
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences200
matches
0"being observed"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs349
matches
0"was telling"
1"wasn’t looking"
2"was simply doing"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences1
totalSentences202
ratio0.005
matches
0"The park beyond looked ordinary in the moonlight—dark grass, black branches, the occasional ghostly pale trunk—but the longer she stared, the more it resembled a painted backdrop propped up behind the trees."
89.06% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount2103
adjectiveStacks1
stackExamples
0"occasional ghostly pale trunk—"
adverbCount96
adverbRatio0.0456490727532097
lyAdverbCount22
lyAdverbRatio0.010461245839277223
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences202
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences202
mean10.44
std8.06
cv0.773
sampleLengths
06
122
224
32
415
513
629
711
817
98
1014
112
1217
1331
146
1514
162
172
184
1925
207
216
2214
2310
2424
259
2622
2732
282
2911
303
318
323
335
3426
353
365
371
3815
398
403
412
423
4311
4410
458
4614
476
487
493
38.61% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats23
diversityRatio0.2376237623762376
totalSentences202
uniqueOpeners48
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount8
totalSentences170
matches
0"Just alive in a way"
1"Then, after a beat, the"
2"More like fabric dragging lightly"
3"Then, just at the edge"
4"Too narrow, too long, and"
5"Somewhere behind her, branches answered"
6"Instead it was worse than"
7"More like a wound drawn"
ratio0.047
95.29% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount53
totalSentences170
matches
0"It had been that way"
1"She had come for a"
2"she muttered to the flowers,"
3"Her voice came back to"
4"She stood still and listened."
5"Her head turned so fast"
6"She saw only fern shadows"
7"She had expected the first"
8"She started walking."
9"Their roots pushed through the"
10"It would have been beautiful"
11"Her other hand hovered near"
12"It was soft, almost delicate."
13"She stared between the trees"
14"Its light spilled through the"
15"She would keep moving."
16"She would stay sharp."
17"She had lived through worse"
18"Her scar tingled under her"
19"She shoved the memory down"
ratio0.312
42.35% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount142
totalSentences170
matches
0"The grove should have been"
1"Aurora Carter stood just inside"
2"Richmond Park lay behind her"
3"Silence belonged to empty streets,"
4"This was something else: a"
5"The wildflowers at her feet"
6"The moonlight caught on their"
7"Rory tightened her fingers around"
8"The Heartstone Pendant was warm"
9"It had been that way"
10"The little crimson stone rested"
11"She had come for a"
12"That was what she repeated"
13"A thing to find."
14"The details were slippery now,"
15"Someone had said the grove"
16"Someone had said things crossed"
17"Someone had said a portal,"
18"Aurora shifted her weight and"
19"The path she had used"
ratio0.835
58.82% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences170
matches
0"If she bolted now, she"
1"As if the grove had"
ratio0.012
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences88
technicalSentenceCount3
matches
0"The little crimson stone rested under her shirt, hidden on its silver chain, and gave off a faint pulse, as if it had decided her heartbeat was a suggestion wor…"
1"She could hear her own footsteps now, soft on wet earth, and beneath them a second sound that kept trying to match her pace."
2"Her fingertips met something cold, then shockingly soft, as if she had pressed through the skin of a fruit."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she breathed (breathe)"
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0.75
effectiveRatio0.75
87.7986%