Run: 2026-03-06-01KK1J7EDD0NVY896EX5ZH25ZD

Run Details

Model:
GPT-5.4
Duration:
1m 5s
Cost:
$0.041215
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
Aurora slipped through the last gap in the iron railings and dropped into wet grass, her boots sinking with a soft kiss of mud. Richmond Park stretched around her in long black swathes, the sort of dark that swallowed shape and depth and left only hints behind. Behind her, the city still existed in pieces: a faint wash of amber sky, a distant siren, the low drone of a road. Ahead, the trees stood close and mute. She pulled her phone from her coat pocket and checked the time. 11:47. No signal. The screen reflected her face for a second—bright blue eyes, black hair caught by the wind, jaw set hard enough to ache—before it went black again. “Brilliant.” Her breath smoked out in front of her. October cold had got its teeth into the park. She zipped her coat to the throat and touched the pendant under her jumper through habit more than belief. The Heartstone rested against her sternum, warm already. Not body heat. A separate warmth. A pulse. That was why she had come. Three nights running, the pendant had heated in her sleep until it woke her. Not enough to burn. Enough to insist. Tonight it had gone hot while she was folding takeaway menus at the Golden Empress, and Yu-Fei had looked up from the till and narrowed her eyes. “You’re pale.” “Long day.” Yu-Fei had glanced at Rory’s chest as if she could see through wool and skin to the red stone beneath. “Then don’t go where the long day wants you.” Aurora had laughed then. A thin, false thing. She did not laugh now. She knew where she was heading. Eva had once dragged her through Richmond Park on a bright spring afternoon to show her a line of old oak stones hidden off the path. “Bit Blair Witch,” Eva had said, standing on one and pretending to cast a spell. Aurora had rolled her eyes. There had been bluebells then, and dog walkers, and children shrieking over ice cream. Safe things. Tonight, the paths looked wrong. Too narrow. Too pale. The shadows between the trees looked poured rather than cast. She walked anyway. Grass brushed her calves. Branches clicked overhead. Somewhere to her right, deep in the dark, something gave a single cough. Deer, she told herself. Park full of them. Massive, antlered things that could skewer you if they felt rude enough. Real danger. Useful danger. Better than the shapeless kind. The pendant gave another pulse. Heat spread through her chest and faded. “Fine,” she muttered. “Lead on.” Her voice went nowhere. The trees took it and did not throw it back. She cut off the main path and moved into the copse where Eva had brought her. Damp leaves dragged at her boots. The smell changed as she went—less open earth, more rot and cold bark, then something sweet threaded through it, floral and out of season. Wildflowers. She stopped and crouched, brushing gloved fingers through low growth. Petals. Soft. Fresh. “No chance.” The flowers crowded beneath the trees in pale knots—white and violet and a blue so clear it looked lit from within. In torchlight they would have looked cheerful. Under moonlight they looked like open eyes. Aurora straightened. Her shoulders had climbed up near her ears. She forced them down. The standing stones appeared one by one as she moved deeper in. Ancient oak pillars, half tree, half monument, each thick as a small car, roots curled above ground like knuckled fists. Their bark had split with age into black seams. She could not remember them seeming this tall before. Could not remember them leaning. The pendant burned hot. She stepped closer to the nearest stone. The air changed at once. Not warmer. Denser. Like stepping into a room after someone had shut all the windows. Her ears gave a tiny painful pop. “Right,” she whispered. “That’s not normal.” Something answered. Not a voice. A sound. Thin and high and distant, like laughter stretched until it became a whine. Aurora turned on the spot. Trees. Stones. Flowers. Nothing else. “Fox,” she said, and hated how small the word sounded. The whine came again. It moved this time, crossing behind her from left to right. Not through the air. Through the ground. She felt it in the arches of her feet. She backed away from the stone. The pressure in the air eased by a hair. The pendant cooled. Her first sensible thought arrived late and unwelcome: leave. She could go back the way she came, climb the railings, get a night bus if any still ran, and spend the rest of the night under three duvets with every light in the flat on. In the morning she could tell herself she had overworked, underslept, let an odd bit of jewellery and a patch of old trees get into her head. Then the pendant thudded once against her chest, hot as a coal, and all the hairs rose on her arms. Aurora looked down. A deep crimson glow seeped through her jumper in a thin, living line. “Of course.” She took another step towards the stones. This time she crossed between two of them. No dramatic flash. No thunder. No curtain of magic. The world simply slipped. The city hum died behind her as if a door had shut. The dark changed colour. The grass underfoot turned springy and lush. Flowers spread out in a wide clearing ahead, riotous and wrong, blooming in dense beds of gold, blue, white and red despite the season, despite the hour. Their scent hung thick enough to taste. The trees around the clearing stood silver-barked and still, every trunk smooth as bone. Aurora stopped dead. The Grove. She had not believed in it, not really, not in the part of her mind that balanced facts and dates and train times. She had filed every impossible thing from the last months into a temporary drawer marked deal with later. That drawer now burst open. Moonlight pooled in the centre of the clearing. The grass there looked combed. Nothing stirred. Then a petal drifted past her face. There was no wind. She turned to watch it fall. Ten more petals lifted from the flowers. Twenty. They rose in a loose spiral, not up but around, circling an empty point in the air. Aurora took one careful step back. A shape flickered at the edge of her sight. She spun left. Nothing. On her right, something moved again. Tall. Pale. She faced it and found only a stand of white foxgloves nodding in silence. “No,” she said aloud, her voice firmer this time. “No, you don’t get to do that.” The clearing listened. She dug her nails into her palms through her gloves and forced herself to breathe low and slow. Panic had a taste. Tin and old pennies. She knew it too well from other rooms, other nights, another kind of trap. She would not feed it. “A portal,” she said, because facts still mattered. “That’s what you do. Near a Hel portal.” The pendant answered with heat. She scanned the clearing for any break in the air, any distortion, any place where the flowers bent the wrong way. The moonlight made liars of shadows. Every patch of silver looked solid until she stared at it. Every dark patch looked like depth. Somewhere behind her, very close, something inhaled. Aurora froze. The breath came again. Slow. Wet at the edges. Her neck prickled. She turned inch by inch. Nothing stood behind her. Just the ring of silver trees and the narrow gap between two trunks where she had entered. She stared at that gap. It looked smaller now. Further away. A third breath touched the back of her coat collar. She lurched forward and whipped round so fast her boot skidded. Her torch beam from the phone flashed wild over flowers, trunks, grass. No one. Her pulse knocked at her throat. “This is funny to you?” The words flew out sharp. Angry. Easier than fear. The petals still circled in the centre of the clearing. Their motion had tightened. Faster now. The empty space inside the spiral had darkened into a knot, a hole no wider than a plate. The edges shimmered. Aurora felt the pendant flare against her chest in answer. There. Portal. She took one step towards it. A child laughed. Not distant this time. Just beyond the trees to her left. Clear as glass. High. Brief. Aurora’s breath stopped. Another laugh answered from the right. Then one behind her. She did not turn. She knew better now. She stared at the forming dark in the centre of the petals and spoke through clenched teeth. “If there’s someone there, come into view.” The left side of the clearing rustled. Flowers bowed. A pale shape slipped between the tree trunks, low to the ground and fast. Too long for a fox. Too smooth for a deer. It vanished the moment she focused on it. On the right, something rose upright behind a silver trunk. A narrow shoulder. A hand. No. Not a hand. Branches. Only branches. The laugh came again, right beside her ear. Aurora flinched and slapped a hand over the pendant through her jumper. Heat bit into her palm. The crimson glow burst brighter, enough to stain the front of her coat red. The spiral of petals in the clearing shuddered. The dark centre widened to the size of a dinner plate. Inside it, there was no reflection of moon or flower. Only depth. The laughter stopped. Silence hit hard. Every flower in the clearing bent at once, all their faces turned towards Aurora. Her mouth went dry. “Nope.” She backed away. The flowers remained fixed on her. Even the closed buds had angled their stems. A soft pattering began around the ring of trees. Footsteps. Bare feet on grass. Many of them. Circling. Never entering the light. Aurora turned slowly, tracking the sound. Nothing crossed into view. The silver trunks stood clean and empty. The patter continued, one circuit, then another, then faster until it became a restless skimming around the clearing’s edge. She had the mad thought that if she looked up, she would find faces in the branches watching through leaves. She did not look up. “Fine,” she breathed. “Fine. In, out. Grab what I need. Leave.” What she needed remained unclear, but standing still had become impossible. The dark opening in the centre of the petals pulsed now, not with light but with absence, each pulse tugging at the warm stone on her chest. She edged towards it. The circling footsteps slowed. One stopped directly behind her. Aurora shut her eyes for half a second, opened them, and kept walking. The grass changed texture under her boots near the centre. Softer. Damp. Not dew. The smell of flowers soured there, turning metallic and stale, like coins left in water. The portal’s edge trembled. Its darkness looked thick enough to touch. She crouched, one hand braced on her knee, and leaned close. Cold breathed from it. Deep cold. Ancient, dry, empty. Something moved inside. Not emerged. Moved. Far below, as if beneath black ice. Aurora jerked back. A voice rose from the hole, low and cracked, the sound of someone speaking through a throat full of dust. “Laila.” No one had called her that in months. Her stomach clenched so hard she folded over. Not fear alone. Recognition. The old name landed with the weight of a hand on the back of her neck. The voice came again, nearer. “Laila.” Aurora stared into the dark. Her own reflection did not stare back. Another face almost did. Pale blur. Dark eyes. Gone before it formed. Behind her, the ring of unseen feet resumed, not circling now but stepping inward through the flowers, slow and deliberate, blades whispering under their tread. Aurora rose at once and reached for the pendant, dragging it free from beneath her jumper. The Heartstone blazed in her fist, deep crimson under the moon, silver chain cutting across her knuckles. The glow washed over the nearest flowers. Their petals shrank from it. “Back off.” The words cracked across the clearing. The footsteps stopped.
created_at"2026-03-06T12:33:44.374Z" 3/6/2026, 12:33:44 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency411
moderation_latency(null)
generation_time64869
tokens_prompt1038
tokens_completion3139
native_tokens_prompt916
native_tokens_completion2595
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"
usage0.041215
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0d2704a6967598170169aac9a872288194925b7df4f7411ad8"
is_byokfalse
latency157
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-1772800424-IDiWTpH2CWkjKNMJoiEG"
upstream_id"resp_0d2704a6967598170169aac9a872288194925b7df4f7411ad8"
total_cost0.041215
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
totalTags7
adverbTagCount1
adverbTags
0"she said aloud [aloud]"
dialogueSentences24
tagDensity0.292
leniency0.583
rawRatio0.143
effectiveRatio0.083
92.64% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2039
totalAiIsmAdverbs3
found
0
adverb"really"
count1
1
adverb"very"
count1
2
adverb"slowly"
count1
highlights
0"really"
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)
55.86% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2039
totalAiIsms18
found
0
word"warmth"
count1
1
word"pulse"
count4
2
word"flickered"
count1
3
word"silence"
count2
4
word"scanned"
count1
5
word"lurched"
count1
6
word"shimmered"
count1
7
word"footsteps"
count3
8
word"pulsed"
count1
9
word"trembled"
count1
10
word"stomach"
count1
11
word"weight"
count1
highlights
0"warmth"
1"pulse"
2"flickered"
3"silence"
4"scanned"
5"lurched"
6"shimmered"
7"footsteps"
8"pulsed"
9"trembled"
10"stomach"
11"weight"
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
narrationSentences271
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences271
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences288
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2036
ratio0
matches(empty)
97.22% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions1
matches
0"Deer, she told herself."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1963
uniqueNames11
maxNameDensity0.92
worstName"Aurora"
maxWindowNameDensity2
worstWindowName"Aurora"
discoveredNames
Park3
Heartstone2
Golden1
Empress1
Yu-Fei2
Rory1
Richmond2
Aurora18
Eva3
Grove1
Flowers3
persons
0"Heartstone"
1"Yu-Fei"
2"Rory"
3"Aurora"
4"Eva"
5"Flowers"
places
0"Park"
1"Golden"
2"Richmond"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences124
glossingSentenceCount2
matches
0"looked like open eyes"
1"looked like depth"
52.65% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.473
wordCount2036
matches
0"not up but around, circling an empty point in the air"
1"not with light but with absence, each pulse tugging at the warm stone on her ch"
2"not circling now but stepping inward through the flowers, slow"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences288
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs119
mean17.11
std17.93
cv1.048
sampleLengths
077
141
21
352
46
548
62
72
829
913
1068
1119
123
1349
1412
155
1614
1757
183
192
2035
2114
2255
234
2434
256
262
2718
2810
2910
3031
316
3212
339
3463
3520
3616
372
387
398
4013
4171
423
432
4446
4515
467
474
4837
499
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences271
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs310
matches
0"was folding"
1"was heading"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences3
totalSentences288
ratio0.01
matches
0"The screen reflected her face for a second—bright blue eyes, black hair caught by the wind, jaw set hard enough to ache—before it went black again."
1"The smell changed as she went—less open earth, more rot and cold bark, then something sweet threaded through it, floral and out of season."
2"The flowers crowded beneath the trees in pale knots—white and violet and a blue so clear it looked lit from within."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1969
adjectiveStacks0
stackExamples(empty)
adverbCount75
adverbRatio0.03809040121889284
lyAdverbCount8
lyAdverbRatio0.004062976130015236
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences288
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences288
mean7.07
std6.29
cv0.889
sampleLengths
024
123
223
37
412
51
62
726
81
98
109
1119
128
133
143
152
166
1714
184
193
2027
212
222
2320
249
254
264
275
286
2926
3015
315
3214
332
345
352
362
3710
383
394
403
4113
424
434
4412
452
462
475
485
497
52.38% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats28
diversityRatio0.37282229965156793
totalSentences287
uniqueOpeners107
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount10
totalSentences213
matches
0"Somewhere to her right, deep"
1"Then the pendant thudded once"
2"Then a petal drifted past"
3"Somewhere behind her, very close,"
4"Just the ring of silver"
5"Just beyond the trees to"
6"Then one behind her."
7"Too long for a fox."
8"Too smooth for a deer."
9"Even the closed buds had"
ratio0.047
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount58
totalSentences213
matches
0"She pulled her phone from"
1"Her breath smoked out in"
2"She zipped her coat to"
3"She did not laugh now."
4"She knew where she was"
5"She walked anyway."
6"Her voice went nowhere."
7"She cut off the main"
8"She stopped and crouched, brushing"
9"Her shoulders had climbed up"
10"She forced them down."
11"Their bark had split with"
12"She could not remember them"
13"She stepped closer to the"
14"Her ears gave a tiny"
15"she said, and hated how"
16"It moved this time, crossing"
17"She felt it in the"
18"She backed away from the"
19"Her first sensible thought arrived"
ratio0.272
86.76% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount159
totalSentences213
matches
0"Aurora slipped through the last"
1"Richmond Park stretched around her"
2"She pulled her phone from"
3"The screen reflected her face"
4"Her breath smoked out in"
5"October cold had got its"
6"She zipped her coat to"
7"The Heartstone rested against her"
8"A separate warmth."
9"That was why she had"
10"Tonight it had gone hot"
11"Yu-Fei had glanced at Rory’s"
12"Aurora had laughed then."
13"A thin, false thing."
14"She did not laugh now."
15"She knew where she was"
16"Eva had once dragged her"
17"Eva had said, standing on"
18"Aurora had rolled her eyes."
19"There had been bluebells then,"
ratio0.746
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences213
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences67
technicalSentenceCount2
matches
0"Richmond Park stretched around her in long black swathes, the sort of dark that swallowed shape and depth and left only hints behind."
1"Yu-Fei had glanced at Rory’s chest as if she could see through wool and skin to the red stone beneath."
53.57% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount1
matches
0"she said aloud, her voice firmer this time"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags7
fancyCount4
fancyTags
0"Eva had (have)"
1"she muttered (mutter)"
2"she whispered (whisper)"
3"she breathed (breathe)"
dialogueSentences24
tagDensity0.292
leniency0.583
rawRatio0.571
effectiveRatio0.333
86.3697%