Run: 2026-03-09-01KK9Q3XBHYZ33BFTQ14X45G0Y

Run Details

Duration:
2m 3s
Cost:
$0.066235
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
By the time Aurora slipped through the service gap in Richmond Park’s outer fence, the traffic on the road had thinned to a far-off hiss, and the pendant at her throat had warmed from a faint pulse to a steady heat. It sat under her jumper like a coal wrapped in silver. Each step deeper into the park fed it. She stopped just inside the fence and looked back. London still hung there. Sodium streetlamps. A bus rolling past like a lit aquarium. A man on a bicycle cutting across the pavement with his scarf loose behind him. Ordinary. Flat. Solid. Ahead, the dark gathered under the trees in layered bands, black bark and colder black between trunks. The park’s paths vanished into it. Aurora pulled her mobile from her coat pocket. Eleven fourteen. Thirty-eight per cent battery. No signal worth trusting. She opened her voice recorder and held the phone near her mouth. “Voice note. If this turns out to be another dead end, I’m binning the necklace and taking up knitting.” Her own voice came back too dry in the open air. She locked the screen and slid the phone away. The Heartstone pressed hot against her skin. “All right. Fine.” She took the path west. The grass near the path held a skin of frost. It crunched under her trainers. Bare branches worked against the sky. Somewhere to her left, something large moved through brush, then went still. Deer, she thought, until she realised she had heard no light stamp of hooves, no chuff of breath. Only one drag through leaves, as if a sack had been pulled and dropped. She walked on. She had come because the pendant had spent three days misbehaving. It had warmed on the job, in traffic, in queues, outside tube stations, then cooled without pattern. This afternoon, after a delivery near Kew, it had flared hard enough to make her flinch and had stayed warm while she crossed west. Now it burned a line down the centre of her chest and tugged her forwards with each pulse. She did not trust gifts from strangers at the best of times. Mystery jewellery ranked lower. The path bent, narrowed, and left the lamplight behind. The city’s noise thinned. Not faded. Thinned, like someone had strained it through cloth. She reached the oak stones a few minutes later. They stood in a rough ring beyond the path, half-hidden by trunks older than the road, older than the fence, older than the park pretending to be managed land. Moonlight washed their tops and left the lower halves to rot in shadow. Moss crawled up the cracks. The nearest stone leaned enough to suggest movement, as if it had paused between steps. Aurora stepped off the path and put her hand on the nearest one. Cold. Rough. Oak hardened black with age. The pendant answered with a hard throb of heat. “There you are.” She had passed this part of Richmond before in daylight and never seen the stones. That pricked at her. She circled the nearest trunk, checked the angle from the path, checked again. The standing stones still sat where they should have stood all along, obvious and impossible at once. Wildflowers spread beyond them. Not clumps. Not the ragged leftovers of council planting. A full scatter in bloom, white and blue and yellow and bruised red, threaded through grass silvered by moonlight. Foxgloves stood beside daisies. Bluebells pushed through fern. Roses climbed nothing. The air over the clearing held a June softness while the path behind her still wore frost. Aurora drew a slow breath through her nose. Earth. Sweet sap. Water she could not see. Under it, something metallic. She took off her scarf, looped it around the leaning stone, and tied a square knot. Then she stepped between the stones. The temperature changed at once. Not warmer. Closer. The night folded in around her and the city cut off as clean as a switched radio. She stopped so hard her heel slid in the grass. Nothing moved. No wind. No traffic. No animal call. Her ears strained until they began to invent a hum. Aurora glanced over her shoulder. The stone with her scarf sat three strides behind her. The fabric hung plain and sensible in the moonlight. “Bit dramatic.” Her voice hit the clearing and went nowhere. No echo. No carry. The words dropped in front of her like coins into deep water. She pulled out her mobile again. Eleven fourteen. The seconds on the lock screen did not move. She watched for five breaths. Nothing. She thumbed the screen dark and back on. Eleven fourteen. One bar of signal, then none. A laugh almost broke from her and died before it reached her teeth. She slipped the phone away. The flowers nearest her ankles turned a fraction. Not enough to call movement. A shift of pale faces towards her calves, stems drawing taut. Aurora looked down. They stood still. She crouched and touched a bluebell. Cool petals. Damp stem. Soil soft as turned cake beneath it. Her wrist rode up and moonlight found the pale crescent scar there. Old skin. Familiar. Real. The pendant gave another pulse. This time it matched something under the ground. A beat. Then another. Slow. Vast. As if some buried mechanism had woken and had not yet decided on its rhythm. Aurora stood and looked towards the centre of the grove. The flowers thickened there around a stretch of bare earth no wider than a dining table. At first she took it for shadow. Then the moon shifted free of a cloud and showed a shallow hollow ringed with roots. The soil inside it looked wet though no water reflected. She moved towards it. Her steps sank without sound. Halfway across the clearing, she heard crockery clink. She stopped. The sound came again. Porcelain against porcelain. A delicate, domestic noise, close enough to place at the next table over. Then a short scrape, the sort a plate made when Yu-Fei slid one across the counter at Golden Empress during the dinner rush. Aurora turned in a slow circle. Flowers. Stones. Trees hemming the clearing. Nothing else. Another clink. This time behind her right shoulder. She pivoted. Empty grass. Foxgloves lifting their speckled throats. “You picked a strange venue for room service.” Silence settled straight after. Too quick. As if it had been waiting just offstage and rushed back in. She took another step. Then another. A footfall answered hers half a beat late. She froze. The answering step came once more from somewhere behind her left side and stopped. Aurora kept her face forward and listened. The roots at the edge of the hollow curled from the earth like knuckles. The pendant burned now. Heat leaked through the wool of her jumper. She crouched and pulled her keys from her coat pocket. One by one, she dropped them into the grass where she stood: front door, bike lock, brass bottle opener from the bar, the little enamel dragon Eva had given her years ago. Metal clicked faintly and disappeared among the stems. Then she walked towards the hollow without looking back. Three steps. Four. Five. No second set of footfalls. Her shoulders eased by one hard inch. At the edge of the bare patch she knelt and held the pendant over the dark soil. Crimson light breathed inside the stone, dim but alive. The silver chain bit the back of her neck. Warmth spread through her palm where she cupped the gem. The ground below it shivered. Not a tremor. A wrinkle. The soil puckered in a neat circle, smoothed, and lay still again. Aurora lifted the pendant away. The earth flattened. She lowered it again. The hollow darkened, depth growing where no depth should have been. It did not open like a pit. It receded like a pupil widening. Her mouth went dry. “So that’s what you do.” The words stirred the flowers nearest the hollow. Their heads dipped, then rose, not to her voice but to some movement beyond her line of sight. Aurora looked up. Something crossed between two trees at the edge of the grove. Not a shape she could hold. A subtraction. Moonlight vanished for a second in a strip from ground to low branch, as if something narrow and tall had passed there. She turned towards it and found only bark and fern. Another strip of dark moved at the opposite side of the clearing. Then another. They did not circle in any way a person would have circled. They blinked from place to place, always in the edge of her vision, never under direct gaze, each movement marked by the faint bend of stems. Aurora stood so fast the chain snapped taut against her neck. She backed from the hollow and kept turning, forcing each part of the grove under her eyes in turn. “Enough.” A branch cracked somewhere deep in the trees. Then came a sound that did not belong in any park, touched or otherwise: the soft electronic ding of a lift arriving at a floor. Aurora’s skin tightened across her shoulders. The ding came again from the stones behind her. She spun. The scarf still hung on the leaning stone, but wrong now. Not tied where she had left it. It sat higher up, wound twice around the rock, the loose ends hanging like limp hands. She strode towards it. Fast. The flowers parted around her ankles with a whisper like pages turning. Her keys should have lain in the grass halfway there. She saw nothing. She stopped at the place where she had dropped them and stared down. Only stalks. Only pale petals. A third ding sounded, close to her ear this time. She flinched hard enough to bite her tongue and tasted iron. The phone in her pocket vibrated. She snatched it out. The screen had lit on its own. A call filled it. No number. No name. Just one word in white against black. HOME Aurora stood with the mobile bright in her hand while the clearing watched. The call rang once without sound. The screen flashed eleven fourteen. Then two oh three. Then eleven fourteen again. She did not answer. The vibration stopped. The screen went dark. Something breathed behind the leaning stone. Not loud. Not ragged. Just the small wet draw of air through a mouth held close. Aurora stepped sideways, putting the stone between herself and the sound. Her scarf hung from the moss in two damp lengths. The knot had changed. She had tied a square knot. This one sat in a neat bow. “Who’s there?” The grove held still. Then every flower in the clearing turned at once towards the far side of the ring. Not with a rustle. Not with the drift of stalks in wind. They snapped as one body, faces lifted to a patch of dark between two yews. Aurora followed their gaze. The patch of dark stood a shade deeper than the rest. It shifted. A voice came from it, low and near enough to touch. “You brought it back.”
created_at"2026-03-09T16:33:06.939Z" 3/9/2026, 4:33:06 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency57591
moderation_latency(null)
generation_time122705
tokens_prompt1038
tokens_completion3616
native_tokens_prompt916
native_tokens_completion4263
native_tokens_completion_images0
native_tokens_reasoning1966
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"
usage0.066235
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0a08e1076d985c090169aef64306e081969f6a5af58641aae8"
is_byokfalse
latency196
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-1773073986-WbjHdBsd10brFZK2lGD2"
upstream_id"resp_0a08e1076d985c090169aef64306e081969f6a5af58641aae8"
total_cost0.066235
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
totalTags0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1858
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
65.02% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1858
totalAiIsms13
found
0
word"pulse"
count3
1
word"throb"
count1
2
word"echo"
count1
3
word"familiar"
count1
4
word"porcelain"
count2
5
word"silence"
count1
6
word"footfall"
count1
7
word"warmth"
count1
8
word"whisper"
count1
9
word"vibrated"
count1
highlights
0"pulse"
1"throb"
2"echo"
3"familiar"
4"porcelain"
5"silence"
6"footfall"
7"warmth"
8"whisper"
9"vibrated"
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
narrationSentences239
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences239
filterMatches(empty)
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences248
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen42
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1858
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions0
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions29
wordCount1811
uniqueNames11
maxNameDensity0.88
worstName"Aurora"
maxWindowNameDensity1.5
worstWindowName"Aurora"
discoveredNames
Aurora16
Richmond2
Park1
Heartstone1
Kew1
June1
Yu-Fei1
Golden1
Empress1
Eva1
Eleven3
persons
0"Aurora"
1"Heartstone"
2"Yu-Fei"
3"Eva"
places
0"Richmond"
1"Park"
2"Kew"
3"Golden"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences127
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.538
wordCount1858
matches
0"not to her voice but to some movement beyond her line of sight"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences248
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs121
mean15.36
std16.05
cv1.045
sampleLengths
060
19
232
323
430
519
620
77
83
95
1065
113
1286
1323
149
1562
1613
177
189
193
2049
214
2256
2320
2416
256
268
2727
282
292
302
313
3210
3324
342
3524
366
372
389
3922
4018
418
4216
433
443
4533
465
478
4821
4910
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences239
matches
0"been pulled"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs274
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences248
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1815
adjectiveStacks0
stackExamples(empty)
adverbCount69
adverbRatio0.03801652892561983
lyAdverbCount5
lyAdverbRatio0.0027548209366391185
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences248
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences248
mean7.49
std6.03
cv0.806
sampleLengths
041
111
28
39
44
52
68
715
81
91
101
1117
126
138
142
154
164
1712
1819
1911
209
217
223
235
2410
255
266
2712
2818
2914
303
3111
3217
3324
3418
3512
364
379
384
392
408
419
4229
4313
445
4515
4613
471
481
495
48.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats19
diversityRatio0.3387096774193548
totalSentences248
uniqueOpeners84
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount13
totalSentences185
matches
0"Somewhere to her left, something"
1"Only one drag through leaves,"
2"Then she stepped between the"
3"Then the moon shifted free"
4"Then a short scrape, the"
5"Then she walked towards the"
6"Then came a sound that"
7"Only pale petals."
8"Just one word in white"
9"Then two oh three."
10"Then eleven fourteen again."
11"Just the small wet draw"
12"Then every flower in the"
ratio0.07
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount51
totalSentences185
matches
0"It sat under her jumper"
1"She stopped just inside the"
2"She opened her voice recorder"
3"Her own voice came back"
4"She locked the screen and"
5"She took the path west."
6"It crunched under her trainers."
7"She walked on."
8"She had come because the"
9"It had warmed on the"
10"She did not trust gifts"
11"She reached the oak stones"
12"They stood in a rough"
13"She had passed this part"
14"She circled the nearest trunk,"
15"She took off her scarf,"
16"She stopped so hard her"
17"Her ears strained until they"
18"Her voice hit the clearing"
19"She pulled out her mobile"
ratio0.276
60.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount148
totalSentences185
matches
0"It sat under her jumper"
1"Each step deeper into the"
2"She stopped just inside the"
3"London still hung there."
4"A bus rolling past like"
5"A man on a bicycle"
6"The park’s paths vanished into"
7"Aurora pulled her mobile from"
8"She opened her voice recorder"
9"Her own voice came back"
10"She locked the screen and"
11"The Heartstone pressed hot against"
12"She took the path west."
13"The grass near the path"
14"It crunched under her trainers."
15"Deer, she thought, until she"
16"She walked on."
17"She had come because the"
18"It had warmed on the"
19"This afternoon, after a delivery"
ratio0.8
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount4
totalSentences185
matches
0"By the time Aurora slipped"
1"Now it burned a line"
2"As if some buried mechanism"
3"As if it had been"
ratio0.022
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences74
technicalSentenceCount2
matches
0"Moonlight vanished for a second in a strip from ground to low branch, as if something narrow and tall had passed there."
1"Then came a sound that did not belong in any park, touched or otherwise: the soft electronic ding of a lift arriving at a floor."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
95.7935%