Run: 2026-03-06-01KK1GTZGMB4WZS5F0DKCN5S57

Run Details

Duration:
1m 18s
Cost:
$0.039895
Provider:
OpenAI

Model input

System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <codex> <character id="4412" name="Aurora Carter" aliases="Rory, Laila, Aurora, Carter, Malphora" pronouns="she/her" species="Human" storyRole="Protagonist"> <eyeColor>bright blue</eyeColor> <hair>straight shoulder-length black</hair> <height>5'6"</height> <age>25</age> <scar>small crescent-shaped scar on her left wrist from a childhood accident</scar> <description>Aurora, referred to by her friends as Rory, is cool-headed, intelligent, and known for quick out-of-the-box thinking.</description> <backstory>Born in Cardiff to an Irish barrister father (Brendan Carter) and Welsh teacher mother (Jennifer Carter née Ellis), Rory reluctantly pursued Pre-Law at Cardiff University. She fled to London at the behest of her childhood friend Eva after leaving an abusive ex named Evan. By day, Rory works part-time as a delivery person for Yu-Fei Cheung's Golden Empress restaurant. She lives in a flat above Silas' bar.</backstory> </character> <location id="861" name="The Fae Grove" aliases="Isolde's grove, Richmond grove, the Grove" realm="Earth (Fae-touched)"> <parkLocation>Richmond Park</parkLocation> <standingStones>ancient oak standing stones mark the boundary</standingStones> <timeBehavior>time moves differently — an hour inside can be minutes or days outside</timeBehavior> <flora>wildflowers bloom year-round</flora> <description>A hidden clearing that exists in a pocket between Earth and the Fae realm.</description> </location> <item id="2001" name="Heartstone Pendant" aliases="the pendant, Heartstone" type="Artifact" origin="Dymas"> <gemstoneColor>deep crimson</gemstoneColor> <chainMaterial>silver chain</chainMaterial> <size>roughly the size of a thumbnail</size> <behavior>pulses faintly with warmth when near a Hel portal</behavior> <glow>faint inner glow</glow> <description>Given to Aurora by an unknown benefactor.</description> </item> </codex> Continue the story using the following instructions: <instructions> Write a fully fleshed out scene of at least 1000 words in the horror genre. A character is alone in a strange, isolated place at night. They came here for a reason, but something feels off from the moment they arrive. The wrongness builds slowly — sounds that shouldn't be there, things that move at the edge of vision, a growing certainty that they are not alone. Build tension through restraint, not through gore. Use the codex entries above as your world reference for the character and setting. Only include the prose of the scene without any markdown or commentary. </instructions>

Model response

AI
The gate into Richmond Park stood half-open, one hinge bent so the iron mouth hung crooked in the dark. Aurora slipped through sideways and let it clink shut behind her. The sound carried farther than it should have. Across the sleeping fields, over black grass silvered by frost, into clumps of trees that looked packed too tightly together. She shoved her hands into the pockets of her coat and kept walking. At this hour, the park had no business holding anyone. No dog walkers with torches. No cyclists. No couples drunk on cheap wine and their own voices. Only the scrape of her boots on the path and the distant branch-creak of old trees turning in the cold. The Heartstone pendant rested beneath her jumper, flat against her breastbone. Warm. That warmth had started near Roehampton Gate and had grown steadier the deeper she went. Now it felt less like heat and more like a held breath. “All right,” she muttered into the dark. “You dragged me out here. Least you can do is pick a lane.” Her voice died at once. The park swallowed it whole. She knew where she was headed. Eva had once called it a fairy-story lie, this hidden grove in the middle of London, and Rory would have laughed with her if she had not already seen enough impossible things to retire disbelief for good. Ancient oak standing stones. Wildflowers blooming in winter. A pocket of land that kept its own time and did not care what the rest of the world did with clocks. The Fae Grove. She cut off the main track and took a narrower path between dark yews. The moon hung thin and white behind gauze clouds, enough to shape the world but not soften it. Every trunk looked charred. Every bush looked crouched. The warmth at her chest sharpened. She stopped. Somewhere to her left, a child laughed. The sound rang once, high and clear, then snapped off. Aurora did not move. Her fingers closed around the pendant through wool. There were no children here. Not now. Not in this cold. Wind passed through the yews with a papery whisper. She waited for the laugh to come again. It did not. “Fox,” she said, and heard how thin it sounded. She walked on. The path narrowed until brambles clawed at her coat sleeves. At the edge of her vision, pale scraps shifted between the trunks. She turned her head and found only thorn branches, bone-white in moonlight. She took another few steps. Again, a movement on the right, quick and low, as if something had darted behind a beech. She stopped a second time and stared into the trees. Nothing stared back. Nothing she could prove. The pendant had grown hot enough to sting. She pulled it free from under her jumper. The deep crimson stone showed a faint inner glow, like banked coal under ash. The silver chain trembled against her fingers. Not from her hand. On its own. “That’s new.” She looked ahead. Beyond the trees, she could make out the darker rise of the old oaks, and between them, the standing stones. Tall shapes with hunched shoulders, arranged in a rough ring. The Grove waited there. A wet sound came from behind her. Not a footstep. Not an animal rustling leaves. A slow, deliberate drag, like cloth soaked through and hauled over dirt. Aurora turned at once. The path lay empty behind her, a pale ribbon threading back through black yew trunks. Frost flashed on the edges of nettles. Nothing moved. Then one of the trunks blinked. Not with an eye. With position. She had fixed on a forked yew a few yards back, a shape like a man lifting both arms. While she stared, it stood where it had always stood. Yet some part of her knew, with the ugly certainty of a hand on the back of the neck, that it had not been there a second ago. Aurora backed away from it. The drag came again. Ahead now. Then to her right. A circle. No. Not a circle. Something pacing her. Her mouth had gone dry. “Very funny.” No answer. Only the little metallic tremor of the chain in her hand. She left the path and crossed the last stretch of grass to the standing stones. The cold bit through her boots. Frost cracked underfoot. At the threshold marked by the ancient oak pillars, the world gave a small lurch. Her stomach dipped. The air changed. Outside the ring, the park smelled of wet earth and leaf rot. Inside, the Grove carried summer. Crushed green stems. Sweet sap. Flowers open at midnight. She stepped through, and the sounds of the park dropped away behind her as if someone had pressed a door shut. The clearing spread wide and silver beneath the moon. Wildflowers ran in drifts around the stones, white and blue and yellow, impossible in January. Their heads turned in a breeze she could not feel on her skin. In the centre stood an oak so old its trunk had folded around itself like muscle. Its bark shone dark as soaked hide. Aurora exhaled, though she had not noticed she had been holding her breath. The pendant burned in her palm. “No portal,” she said, looking round the clearing. “No glowing crack in reality. No skeletal ferryman. Could’ve saved me the trip.” A flower snapped shut. She looked down. Near her boot, a patch of little white blooms had closed all at once, petals folding inward. One by one, the others around them followed. Then another patch farther off. Then another. Across the clearing, flowers furled as though a shadow had passed over them. Except the moon had not shifted. Aurora lifted her gaze and tracked the pattern. The closing blossoms marked a path through the Grove. Not random. A line bending from the stones at her back toward the old oak in the centre. Toward her. The flowers nearest her boots sealed themselves with soft ticks, dozens of tiny mouths clicking shut. She stepped away. Silence held for a beat. Then, from the far side of the clearing, something copied the step. Not the same sound. Not leather on frost. A bare pressure in the grass. Weight with no body attached to it. Aurora turned slowly. At first she saw only the tree line beyond the ring, thick with hawthorn and ash. Then she caught it: a piece of darkness that did not match the rest. Taller than the shrubs. Narrow. It stood between two silver birches and seemed to drink the moonlight around it. She stared until her eyes watered. The shape did not move. She could not make out a face, or limbs, or any proper edge. Only an absence cut into the night, man-sized and wrong. “Who’s there?” The question fell flat. No answer came from the shape. No rustle of breath. No shift of stance. Yet the flowers between it and her began to close, one row after another. Aurora backed toward one of the standing stones. Cold seeped through her coat where her shoulders brushed the oak surface. The pendant had become almost painful, a pulse of heat against her skin. “All right,” she whispered, half to herself now. “Either show yourself or sod off.” The thing moved. Not forward. Up. It unfolded from the dark behind the birches with a length that made no sense, as though it had been folded into the trees and now drew itself free. Branches around it shivered without wind. A black outline climbed above the undergrowth, too thin for a man, too still for an animal. It had the suggestion of a head tilted at an angle a neck should not hold. Aurora’s breath caught. The moon slid from behind cloud and silvered the clearing. For one instant she saw the figure more clearly. Not flesh. Not fur. It looked made from the gaps between branches, from the strips of darkness under leaves, gathered into the shape of something standing upright. Where a face should have been, there was only depth. A hollow that led nowhere she wanted to think about. Then the cloud passed back and the thing blurred again. Behind her, just beyond the standing stone, something clicked. She spun. Another shape stood at the edge of the ring. Shorter. Bent. It had not been there when she entered. She would have sworn it on anything. Now it leaned halfway from behind a stone as if it had been peering round at her. Its outline quivered like heat haze. A pale oval hovered where a face belonged. Aurora jerked away from it and put herself between two stones. The first figure remained by the birches. The second by the ring. She turned her head and saw movement on the left as well, subtle as a sleeve shifting. Not alone. Never alone. The certainty settled into her bones with a sick, final weight. “Right.” She licked dry lips. “Right, that’s enough.” She snatched the pendant up in front of her. The crimson stone glowed brighter, a coal fed with air. Warmth rushed over her knuckles. The bent shape near the standing stone recoiled. Not much. A flinch, but real. The pale oval of its face tipped away. Aurora saw it and felt a grim spark of relief. “You don’t like this.” The taller thing by the birches did not move. Yet the clearing had begun to change. The flowers all stood shut now. The sweet summer smell had soured into stagnant water. The air felt close, packed thick in her lungs. Even the old oak in the centre seemed to strain upward, bark tightening over its trunk like skin over clenched muscle. A whisper passed round the stones. Not words at first. Only the shape of speech, sibilant and dry. Then, from somewhere near her left ear, in a voice that sounded like leaves rubbed to powder: Laila. Aurora froze. No one here should have known that name. The whisper came again from another point in the ring, lower this time, almost tender. Laila. She turned toward it and found nothing but stone and flowers. “Don’t,” she said. A third voice answered from the far side of the oak, rough as bark. Aurora. Then a fourth, near the ground by her boots, small and bright as a child speaking through cupped hands. Rory. Her scalp prickled. The names crossed the clearing from different mouths, each voice wrong in a fresh way, each one almost human until the final sound dragged too long or broke in the middle. Carter. Malphora. Her grip tightened on the pendant chain until the links bit her palm. “Shut up.” The figures around the clearing shifted closer without crossing the flowers. She never saw the steps. One blink and they stood at the ring. Another and one had appeared halfway to the oak. The tall one had lowered itself, its head now level with hers though it remained too far away for that to work. Laila. The voice came from directly behind her this time, close enough that cold touched the fine hairs at the nape of her neck. Aurora swung the pendant back like a knife. Crimson light flashed across the standing stone. Empty air met her hand. But something laughed, soft and breathless, from the old oak in the centre. The trunk had split. Not wide. A seam no broader than a finger had opened in the bark from root to shoulder height. Inside lay darkness deeper than the rest of the night, dense and velvet-black. The Heartstone flared so hot she almost dropped it. There you are, she thought, staring at the seam. A portal. Or the start of one. The whispers stopped. Every shape in the clearing turned toward the oak. The silence that followed felt worse than the voices. No insects. No wind. No distant traffic from the city beyond the park. Aurora heard only the hard beat of her own heart and, beneath it, another rhythm answering from the split trunk. A pulse. The seam widened by a hair. Something inside shifted against the dark, pressing from the other side.
created_at"2026-03-06T12:09:27.323Z" 3/6/2026, 12:09:27 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency381
moderation_latency(null)
generation_time78434
tokens_prompt1038
tokens_completion3052
native_tokens_prompt916
native_tokens_completion2507
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.039895
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_073ef190ccb45b7f0169aac3f760748190a66b3e6d60bdb84b"
is_byokfalse
latency145
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-1772798967-pJh1zLmNUy6Mk6fSjvod"
upstream_id"resp_073ef190ccb45b7f0169aac3f760748190a66b3e6d60bdb84b"
total_cost0.039895
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
totalTags6
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.4
leniency0.8
rawRatio0
effectiveRatio0
92.61% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2031
totalAiIsmAdverbs3
found
0
adverb"tightly"
count1
1
adverb"very"
count1
2
adverb"slowly"
count1
highlights
0"tightly"
1"very"
2"slowly"
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)
58.15% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2031
totalAiIsms17
found
0
word"warmth"
count3
1
word"whisper"
count3
2
word"trembled"
count1
3
word"lurch"
count1
4
word"stomach"
count1
5
word"silence"
count2
6
word"weight"
count2
7
word"pulse"
count2
8
word"quivered"
count1
9
word"velvet"
count1
highlights
0"warmth"
1"whisper"
2"trembled"
3"lurch"
4"stomach"
5"silence"
6"weight"
7"pulse"
8"quivered"
9"velvet"
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
narrationSentences241
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount3
narrationSentences241
filterMatches(empty)
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)
analyzedSentences250
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2031
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
totalMentions33
wordCount1975
uniqueNames12
maxNameDensity0.76
worstName"Aurora"
maxWindowNameDensity1.5
worstWindowName"Laila"
discoveredNames
Richmond1
Park1
Heartstone2
Roehampton1
Gate1
London1
Rory2
Fae1
Grove4
January1
Laila3
Aurora15
persons
0"Park"
1"Heartstone"
2"Rory"
3"Laila"
4"Aurora"
places
0"Richmond"
1"Roehampton"
2"London"
3"Fae"
4"Grove"
5"January"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences139
glossingSentenceCount1
matches
0"sounded like leaves rubbed to powder"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount2031
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences250
matches
0"known that name"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs116
mean17.51
std18.01
cv1.029
sampleLengths
058
113
247
312
427
520
610
773
83
940
106
112
127
1310
1412
1511
1620
179
183
1956
2010
217
2244
232
2437
257
2620
274
2824
296
306
3157
325
3310
349
357
3613
3739
386
3947
4060
4113
426
4321
444
453
4645
476
488
4927
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences241
matches
0"was headed"
1"been folded"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs291
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences250
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1981
adjectiveStacks1
stackExamples
0"lay empty behind her,"
adverbCount74
adverbRatio0.03735487127713276
lyAdverbCount13
lyAdverbRatio0.006562342251388188
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences250
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences250
mean8.12
std6.07
cv0.747
sampleLengths
019
111
28
320
413
510
65
72
810
920
1011
111
1215
1312
147
1513
165
175
186
1937
204
214
2222
233
2414
2518
264
274
286
292
307
3110
324
338
345
352
364
379
388
393
409
413
4210
4312
4412
455
4617
4710
483
494
44.00% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats20
diversityRatio0.312
totalSentences250
uniqueOpeners78
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount15
totalSentences202
matches
0"Only the scrape of her"
1"Somewhere to her left, a"
2"Again, a movement on the"
3"Then one of the trunks"
4"Then to her right."
5"Only the little metallic tremor"
6"Then another patch farther off."
7"Then, from the far side"
8"Then she caught it: a"
9"Only an absence cut into"
10"Then the cloud passed back"
11"Even the old oak in"
12"Only the shape of speech,"
13"Then, from somewhere near her"
14"Then a fourth, near the"
ratio0.074
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount42
totalSentences202
matches
0"She shoved her hands into"
1"she muttered into the dark"
2"Her voice died at once."
3"She knew where she was"
4"She cut off the main"
5"Her fingers closed around the"
6"She waited for the laugh"
7"It did not."
8"she said, and heard how"
9"She walked on."
10"She turned her head and"
11"She took another few steps."
12"She stopped a second time"
13"She pulled it free from"
14"She looked ahead."
15"She had fixed on a"
16"Her mouth had gone dry."
17"She left the path and"
18"Her stomach dipped."
19"She stepped through, and the"
ratio0.208
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount135
totalSentences202
matches
0"The gate into Richmond Park"
1"Aurora slipped through sideways and"
2"The sound carried farther than"
3"She shoved her hands into"
4"The Heartstone pendant rested beneath"
5"That warmth had started near"
6"she muttered into the dark"
7"Her voice died at once."
8"The park swallowed it whole."
9"She knew where she was"
10"Eva had once called it"
11"Wildflowers blooming in winter."
12"A pocket of land that"
13"The Fae Grove."
14"She cut off the main"
15"The moon hung thin and"
16"Every trunk looked charred."
17"Every bush looked crouched."
18"The warmth at her chest"
19"The sound rang once, high"
ratio0.668
74.26% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences202
matches
0"Now it felt less like"
1"While she stared, it stood"
2"Now it leaned halfway from"
ratio0.015
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences80
technicalSentenceCount2
matches
0"Across the sleeping fields, over black grass silvered by frost, into clumps of trees that looked packed too tightly together."
1"Again, a movement on the right, quick and low, as if something had darted behind a beech."
41.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount1
matches
0"she whispered, half to herself now"
16.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount2
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
dialogueSentences15
tagDensity0.333
leniency0.667
rawRatio0.4
effectiveRatio0.267
90.7118%