Run: 2026-07-09-01KX41ETVCYFK6MM8TK1GV8TG7

Run Details

Duration:
28.9s
Cost:
$0.037945
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 on the Richmond Park road stood open by the width of a hand. Aurora stopped beneath it, her trainers sinking into wet grit. Beyond the iron bars, the park spread black and silver under a thin moon. The road behind her carried one last wash of tyre-noise, then the sound broke apart and vanished. She checked the folded note again beneath her phone torch. Bring the pendant to the old oaks. Midnight. Come alone. No name. No explanation. The paper had appeared beneath the door of her flat after dusk, dry despite the rain that had lashed the windows for most of the evening. The handwriting pressed deep into the page, each letter narrow and rigid. Aurora folded it along the old creases and slid it into her jacket pocket. “Brilliant,” she muttered. “Absolutely sensible behaviour.” Her breath clouded before her face. The rain had stopped, but water still hung from every branch. It struck the path in slow drops. Plink. Plink. Plink. She stepped through the gate. The Heartstone lay under her shirt, its silver chain cold against the nape of her neck. It had done nothing on the bus from Kingston. Nothing as she had crossed the dark grass between the park road and the tree line. Now it stirred. A small pulse pressed against her breastbone. Not pain. Heat. The sort of warmth that rose from a mug held between both hands. Aurora caught the pendant through her shirt. “Don’t start.” The warmth answered with another beat. She had only found the grove once before, by accident, after making a delivery to a wealthy house near the park’s edge. At least, that was what she had told herself. She had followed a narrow deer track because a red fox had stood in its centre and watched her until she moved. The track had led through an oak copse, past stones sunk into the earth, into a clearing full of blue flowers in November. She had stepped over the boundary. For one hour, her phone had shown no signal and her watch had stopped at 4:17. When she walked back out, dawn had spread across the park. Her manager at Golden Empress had left nine missed calls. Silas had been halfway through ringing the police. Aurora had laughed it off, blamed a dead battery and a long walk. She had not returned. Until tonight. The main path curved away behind a cluster of yews. Aurora left it and moved into the trees. Damp grass brushed the sides of her trainers. Low branches caught in her black hair, dragging strands across her mouth. She pushed them back and kept her torch aimed at the ground. The deer track should have started near a split oak. She found the oak. Its trunk rose from the soil in two twisting columns, joined at the base like clenched fingers. No track waited beside it. Aurora turned in a slow circle. The park had changed under darkness. Every tree looked capable of becoming the right tree if she stared long enough. The thin beam of her phone cut through dripping leaves, lit a mossy trunk, a hollow in the ground, a torn flap of pale bark. A noise came from her left. Not a footstep. A soft scrape, as though someone had dragged a fingernail across the underside of a table. Aurora held still. The scrape came again. Closer this time. Her thumb hovered over the torch icon. She could turn the light off, let her eyes adjust. Bad idea. Every horror film she had ever watched crowded the front of her mind, each one full of people who switched off lights, opened cellar doors, and went downstairs because a noise had offended them personally. She swung the torch towards the sound. A branch rubbed against another branch in the breeze. Except there was no breeze. The leaves hung limp and heavy with rain. Nothing moved except the branch. Its thin tip dragged back and forth over the dark trunk beside it. Scrape. Scrape. Aurora stared until the branch stopped. A shape stood behind the trees. She saw it in the space where the torch beam thinned at the edges: a vertical patch of darkness, too narrow for a trunk, too straight for a shadow. It stood between two oaks, perhaps thirty feet away. She aimed the light at it. There was nothing there. Her heart struck hard enough to make the pendant knock against her chest. “Fox,” she whispered. The word sounded flimsy. She took three steps forward. The grass gave way to bare dirt, packed down in a thin line. The deer track. Aurora followed it. The path led downhill, away from the road and its distant amber lamps. Tree trunks tightened around her. Ancient oaks hunched above the track, their branches knitted into a roof. The moon disappeared. Her torch became the only clean piece of light in the world. The pendant grew hotter. She pulled it from beneath her shirt. The crimson stone rested in her palm, glowing from somewhere deep inside itself. Its colour reminded her of a coal seen through ash. The chain left a bright red mark across her fingers. “Hel portal,” she whispered. She had not known the word until the pendant began reacting near the old cellar door below Silas’s bar. The warmth had started there too, faint and insistent. A stranger with milk-white eyes had stepped from the end of the alley, seen the stone in Aurora’s hand, and gone rigid. Don’t let it find the door, he had told her. Then he had walked away without explaining what it was. The note in her pocket crackled when she moved. Bring the pendant to the old oaks. The path stopped at a wall of brambles. Aurora frowned. She remembered the clearing. There had been no brambles. No barrier. Just a gap between stones. She pushed the torch beam over the thorns. The brambles had grown in a perfect arc. Their black stems rose waist-high, woven so thickly that even a fox would have struggled through. Each thorn curved inward, aimed at the track. Something pale caught on one of the spikes. Aurora leaned closer. A ribbon. No. Not ribbon. A strip of white fabric, soaked dark at the edges. It fluttered despite the still air. She stepped back. The fabric twisted once, revealing a row of small blue flowers printed on it. A child’s dress, perhaps. Or a handkerchief. The thought dug under her ribs. She raised the pendant. Its red glow threw a dim, bruised light over the thorns. The brambles moved. Not much. They drew apart at the centre, stems peeling away from one another with a faint wet sound. A gap opened, narrow enough for Aurora’s shoulders. The white strip vanished into the hedge. Aurora’s phone buzzed in her hand. She flinched so badly the torch jolted free of her grip. It hit the ground face-down. The light spun across roots and mud before settling against a tree. Her screen lit with an incoming call. No caller ID. She stared at it. The buzzing filled the small space beneath the trees. It sounded too loud, too cheerful. The sort of standard vibration that belonged on a crowded train or beneath a table in a pub, not here. She had no signal. The bars at the top of the screen showed nothing. The phone kept ringing. Aurora picked it up. “Hello?” Silence. Not normal silence. Something sat beneath it, a roughness like a needle moving across an old record. “Who is this?” A breath answered. Slow. Deep. Close enough that she checked over her shoulder. The trees stood empty. The dripping branches. The path behind her. Darkness layered between the trunks. A child began humming through the phone. The tune came in broken pieces. Three notes. A pause. Two more. Aurora knew it before she could place it. Her mother had hummed it while grading papers at the kitchen table, pencil tucked into her hair, glasses sliding down her nose. Aurora’s throat tightened. “Mum?” The humming stopped. For one second, someone breathed into the receiver. Then a voice whispered in Aurora’s own tone. “Come in.” The call ended. The phone screen went black. Aurora stood with it pressed to her ear. The brambles rustled. She lowered the phone and looked at the opening in the hedge. Red light spilled from the pendant across the ground, reaching through the gap. On the far side, wildflowers covered the clearing. They bloomed in the dark. Blue, yellow, white, purple. Thousands of open faces turned towards the sky, their petals dry despite the soaked earth around them. Beyond them stood the old oaks in a wide circle, roots lifting from the ground like ribs beneath skin. Between each tree rested a standing stone, grey and furred with moss. The Grove. Aurora slipped through the gap. The brambles closed behind her without a sound. The instant her foot touched the flowered ground, every noise from the park disappeared. No road. No water dripping from leaves. No distant fox bark. Her own breath faded until she could feel it in her chest but barely hear it. She turned. The hedge had become a solid wall of thorn and leaf. Aurora reached for it. The nearest thorn shifted towards her hand. She stopped an inch away. “Right.” Her voice fell flat. The clearing swallowed it. The pendant pulsed against her palm. Heat climbed her wrist. Her crescent-shaped scar caught the red light, pale against her skin. She faced the standing stones. They looked older than memory. Each one leaned at a different angle, but together they marked a boundary around the clearing. Their surfaces bore shallow cuts, long since softened by rain and moss. Aurora walked nearer and saw the marks were not random. They were words. Not English. Not Welsh. The lines curled and hooked around one another like roots seeking water. A sound stirred among the flowers. Aurora froze. The flowers nearest the eastern stone bent down. Not in wind. They folded their stems one after another, making a narrow path through the clearing. A path leading into the centre of the stone circle. At its end sat a low mound of earth. Something had been buried there recently. The soil lay dark and loose, piled higher than the flowers around it. Aurora looked back at the thorns. No gap. No path out. The Heartstone burned in her hand. Then, beneath the loose earth, something knocked once from inside the mound.
created_at"2026-07-09T18:15:22.229Z" 7/9/2026, 6:15:22 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3102
moderation_latency(null)
generation_time28790
tokens_prompt1038
tokens_completion2745
native_tokens_prompt916
native_tokens_completion2377
native_tokens_completion_images0
native_tokens_reasoning204
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.037945
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_01a78e57e79d9faa016a4fe53a5190819487ba8461fa460a6f"
is_byokfalse
latency311
model_permaslug"openai/gpt-5.6-terra-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620922-64lxJRRFtIXdiAYbSocg"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620922-xjCThG6T0eSpqKLhfXT3"
upstream_id"resp_01a78e57e79d9faa016a4fe53a5190819487ba8461fa460a6f"
total_cost0.037945
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences10
tagDensity0.3
leniency0.6
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1757
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)
65.85% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1757
totalAiIsms12
found
0
word"absolutely"
count1
1
word"pulse"
count1
2
word"warmth"
count3
3
word"perfect"
count1
4
word"fluttered"
count1
5
word"standard"
count1
6
word"silence"
count2
7
word"could feel"
count1
8
word"pulsed"
count1
highlights
0"absolutely"
1"pulse"
2"warmth"
3"perfect"
4"fluttered"
5"standard"
6"silence"
7"could feel"
8"pulsed"
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
narrationSentences223
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences223
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences230
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen35
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1757
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
81.03% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions40
wordCount1740
uniqueNames13
maxNameDensity1.38
worstName"Aurora"
maxWindowNameDensity2.5
worstWindowName"Aurora"
discoveredNames
Richmond1
Park1
Heartstone2
Kingston1
November1
Golden1
Empress1
Silas2
Aurora24
Grove1
English1
Welsh1
Plink3
persons
0"Heartstone"
1"Empress"
2"Silas"
3"Aurora"
places
0"Richmond"
1"Park"
2"Kingston"
3"November"
4"Golden"
globalScore0.81
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences128
glossingSentenceCount1
matches
0"appeared beneath the door of her flat after dusk, dry despite the rain that had lashed the windows for most of the evening"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1757
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences230
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs138
mean12.73
std13.66
cv1.073
sampleLengths
015
141
210
37
41
52
642
714
86
96
1021
115
1241
133
1423
157
162
176
1876
196
2016
2111
2231
234
242
2550
2610
2721
285
296
3045
316
323
3316
343
357
3654
377
389
395
4026
411
421
436
446
4538
466
474
4813
493
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences223
matches
0"been buried"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs264
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences230
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1745
adjectiveStacks0
stackExamples(empty)
adverbCount57
adverbRatio0.032664756446991405
lyAdverbCount7
lyAdverbRatio0.0040114613180515755
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences230
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences230
mean7.64
std5.71
cv0.747
sampleLengths
015
110
214
317
410
57
61
72
82
92
1026
1112
1214
133
143
156
1611
177
181
191
201
215
2216
239
2416
253
267
272
281
2913
307
312
326
3322
349
3522
3623
376
3816
3911
4010
418
4213
434
442
4510
468
478
4812
4912
43.04% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats16
diversityRatio0.2608695652173913
totalSentences230
uniqueOpeners60
88.65% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences188
matches
0"At least, that was what"
1"Then he had walked away"
2"Just a gap between stones."
3"Then a voice whispered in"
4"Then, beneath the loose earth,"
ratio0.027
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount52
totalSentences188
matches
0"She checked the folded note"
1"Her breath clouded before her"
2"It struck the path in"
3"She stepped through the gate."
4"It had done nothing on"
5"She had only found the"
6"She had followed a narrow"
7"She had stepped over the"
8"Her manager at Golden Empress"
9"She had not returned."
10"She pushed them back and"
11"She found the oak."
12"Its trunk rose from the"
13"Her thumb hovered over the"
14"She could turn the light"
15"She swung the torch towards"
16"Its thin tip dragged back"
17"She saw it in the"
18"It stood between two oaks,"
19"She aimed the light at"
ratio0.277
55.74% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount152
totalSentences188
matches
0"The gate on the Richmond"
1"Aurora stopped beneath it, her"
2"The road behind her carried"
3"She checked the folded note"
4"The paper had appeared beneath"
5"The handwriting pressed deep into"
6"Aurora folded it along the"
7"Her breath clouded before her"
8"The rain had stopped, but"
9"It struck the path in"
10"She stepped through the gate."
11"The Heartstone lay under her"
12"It had done nothing on"
13"Nothing as she had crossed"
14"A small pulse pressed against"
15"The sort of warmth that"
16"Aurora caught the pendant through"
17"The warmth answered with another"
18"She had only found the"
19"She had followed a narrow"
ratio0.809
26.60% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences188
matches
0"Now it stirred."
ratio0.005
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences71
technicalSentenceCount1
matches
0"The sort of standard vibration that belonged on a crowded train or beneath a table in a pub, not here."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she whispered (whisper)"
dialogueSentences10
tagDensity0.3
leniency0.6
rawRatio1
effectiveRatio0.6
88.6974%