Run: 2026-07-09-01KX41NX2C1HFHB4P6C91AD7HK

Run Details

Duration:
14.4s
Cost:
$0.014170
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 crossed between the standing stones at 11:47 p.m. The stones rose from the grass in a broken ring, ancient oak trunks twisted into pillars, their roots sunk deep beneath Richmond Park. Moonlight silvered the bark. The gaps between them looked narrow enough to close with a shoulder, yet the moment Aurora stepped through, the park vanished. No distant traffic. No sodium glow from the city. No wind combing the trees. Only the clearing. Wildflowers covered the ground in dense, colourless drifts. White bells, blue stars, red petals like tiny tongues. They bloomed in the darkness with their faces turned towards her, each flower holding a bead of dew that shone too brightly beneath the thin moon. Aurora stopped. The last sound from the park—a fox barking somewhere beyond the road—cut off behind her. She touched the pendant beneath her jumper. The silver chain had tangled in her hair on the walk over, and she had pulled it free twice. Now the Heartstone rested against her sternum, warm as a living thing. Its deep crimson centre gave off a faint inner glow through the fabric. “Useful,” she muttered. “You could have done that before I came in.” Her voice travelled across the grove. It returned from somewhere behind her. Useful. Aurora turned. The standing stones marked the boundary, but there was no gap where she had entered. The oak pillars curved together in a seamless wall. Their branches knitted overhead, black against the sky. Her hand slid into the pocket of her coat and closed around her phone. The screen showed 11:47 p.m. No signal. The battery had dropped from sixty-three per cent to twenty-one. She tapped the screen again. 11:47. The time had not moved. “Right,” she whispered. “That’s not ideal.” A moth drifted across her vision. It hovered beside her face, pale wings beating without sound, then vanished into the dark. Aurora waited for it to reappear. Nothing moved. She shifted her weight. The flowers bent beneath her boots and sprang upright after she stepped away. Not flattened. Not disturbed. They simply returned to their former positions, every stem straight and unbroken. The Grove looked no different from the photographs Eva had shown her, though photographs had failed to capture its size. From the boundary, the clearing had seemed no wider than a tennis court. Now the trees stood far beyond the flowers, their trunks thin and pale, their upper branches lost in a darkness that pressed down like a ceiling. Somewhere inside that dark, water dripped. One drop. Then another. Aurora pulled out her phone and opened the photograph Eva had sent. The image showed a low stone arch half-hidden among the trees. Beyond it, a silver-blue shimmer distorted the grass. The place she had come to find. Eva’s message sat beneath the photograph. Come alone. Don’t bring anyone from the bar. Don’t tell Silas. If the pendant warms, you’re close. Aurora had asked why. Eva had not answered. That had been four hours ago. Aurora looked at the Heartstone through her jumper. Its warmth pressed against her skin. The pendant had begun pulsing before she reached the stones, slow and steady, like a second heartbeat. Each pulse travelled through her ribs. She followed it towards the trees. The flowers parted before her boots. Their stems bent away in a widening path, though no wind stirred the clearing. Aurora kept her arms close to her sides and avoided looking at the things flickering in her peripheral vision. A shadow moved between two trees on her left. She caught it with the corner of her eye: a narrow figure standing too still, its head turned towards her. Aurora stopped. The flowers swayed. She looked directly at the trees. Nothing stood there. The trunks gleamed pale beneath the moon. Between them, the darkness held no shape, no face, no movement. “Eva?” she called. The clearing swallowed her voice. For a moment she heard no answer. Then something rustled behind her, close enough to brush the back of her coat. Aurora spun around. The path stretched behind her through the flowers. No one stood on it. Her breath clouded in front of her. The night had become colder. She could feel the chill through her gloves, creeping from her fingertips into her wrists. Her left wrist throbbed beneath its sleeve, the old crescent scar prickling as if a thread had caught beneath the skin. She took out her phone. 11:47. The battery read twenty-one per cent. Aurora opened the camera and lifted it towards the trees. The screen turned the grove grey and grainy. For a few seconds, the view showed nothing except branches and flower heads. Then a pale hand passed across the far edge of the frame. Aurora lowered the phone. Her heart knocked once, hard. She raised it again. The screen showed the same trees. No hand. Her thumb hovered over the call button. She had no signal, but the emergency icon appeared at the top of the screen, a tiny triangle that blinked once and disappeared. “Come on,” she murmured. “Work.” The phone emitted a burst of static. From the trees ahead, a woman whispered her name. “Aurora.” Aurora held the phone tighter. The voice sounded like Eva. Soft Welsh vowels. The slight upward lift at the end of Aurora’s name. The voice Eva used when she had discovered some ridiculous bargain in a charity shop and expected Rory to admire it. Aurora took one step forward. “Aurora.” The voice came from behind her this time. She turned slowly. The flowers remained still. The entrance stood somewhere beyond them, hidden by the curve of the clearing. No figure waited among the stems. Aurora forced air into her lungs. “You wanted me to come alone,” she called. “You can stop hiding.” A laugh answered from the trees. It began as Eva’s laugh, then stretched into a wet, breathless sound that belonged to no human throat. Aurora moved towards the arch. The pendant grew warmer. The trees tightened around the path. Their roots rose from the soil like knuckles. Low branches reached across the way, silver leaves brushing her shoulders as she passed. One twig snagged in her hair. Aurora stopped and freed it. The twig had no leaves. Its bark felt damp and soft beneath her fingers. When she pulled her hand away, three dark marks crossed her glove. She wiped them against her coat and kept walking. The dripping water grew louder. It came from somewhere ahead, though the sound seemed to travel in circles around her. Drop. Pause. Drop. Pause. A second set of footsteps joined hers. Aurora heard the crunch of flowers behind her. She did not turn. The steps matched her pace. Her right boot pressed down. A second boot pressed down behind it. She stopped. The other step stopped too. Aurora counted to five. Nothing moved. The pendant pulsed against her chest, warm, warm, warm. She looked over her shoulder. The path lay empty. One of the flowers near the edge had been crushed. Its stem bent into the soil, its petals smeared dark with moisture. Aurora stared at it until the shape blurred. Then the flower slowly lifted itself upright. She faced forward again. The arch appeared between the trees. It stood at the end of the path, built from rough grey stone. Ivy covered its sides, though the leaves had no veins and reflected the moon like polished metal. Beyond the arch, the air shivered. The silver-blue distortion in Eva’s photograph twisted across the opening, folding the trees into long, impossible angles. Aurora reached for the pendant. The Heartstone burned against her palm. A sound came from inside the arch. Not a voice. Not footsteps. Something dragged itself across stone, slow and deliberate, stopping each time Aurora moved. She stood ten paces away. The phone in her hand vibrated. A message appeared on the screen. EVA: DON’T COME THROUGH. Aurora stared at it. The message vanished. The screen returned to the photograph. In the image, Eva stood beside the arch with one hand raised towards the camera. Her face had been blurred by movement, but the shape of her body was unmistakable. Aurora zoomed in. The photograph changed. Eva no longer stood beside the arch. A figure occupied the space behind her. It was tall enough to reach the top of the stones, narrow as a dead tree. Its face looked down over Eva’s shoulder, pale and smooth. No eyes showed in the image, only two shallow hollows beneath a brow that angled too far forward. Aurora dropped the phone. It landed among the flowers without making a sound. The figure inside the arch moved. The silver-blue shimmer folded aside. For one breath, Aurora saw a room beyond it: a low ceiling, walls covered in roots, a table set with three empty cups. Then the distortion closed. The arch showed only darkness. Aurora backed away. A twig cracked behind her. She turned her head, not her body. The narrow figure stood between the trees. It had not appeared at the edge of her vision this time. It stood in full view, ten paces behind her, where the path disappeared into the flowers. Its limbs hung at the wrong angles. Its head tilted towards the arch, not towards Aurora. Pale skin stretched over its face without a mouth, without eyes, without any feature except the faint impression of something pressed beneath it from within. Aurora’s fingers found the pendant’s chain. The figure lifted one hand. A pulse travelled through the Heartstone. The figure’s head snapped towards her. The smooth face split open from chin to brow. No scream came from it. The sound rose from the flowers instead, hundreds of thin stems bending at once as the clearing whispered her name. “Aurora.” Her phone lit up on the ground. Another message appeared. EVA: IT KNOWS YOU’RE HERE. Aurora grabbed the phone and ran towards the arch.
created_at"2026-07-09T18:19:13.879Z" 7/9/2026, 6:19:13 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2151
moderation_latency(null)
generation_time13904
tokens_prompt1038
tokens_completion2688
native_tokens_prompt916
native_tokens_completion2209
native_tokens_completion_images0
native_tokens_reasoning131
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"
usage0.01417
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_02124f00daf3a7e1016a4fe6225a2c81959ca4a8900c48d23c"
is_byokfalse
latency547
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783621153-5xPw97gv4dFCibIfkQUt"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783621153-e978pj1SJMqPhMdwL0ck"
upstream_id"resp_02124f00daf3a7e1016a4fe6225a2c81959ca4a8900c48d23c"
total_cost0.01417
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences12
tagDensity0.417
leniency0.833
rawRatio0
effectiveRatio0
93.96% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1657
totalAiIsmAdverbs2
found
0
adverb"slowly"
count2
highlights
0"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)
66.81% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1657
totalAiIsms11
found
0
word"weight"
count1
1
word"warmth"
count1
2
word"pulse"
count2
3
word"could feel"
count1
4
word"chill"
count1
5
word"throbbed"
count1
6
word"footsteps"
count2
7
word"pulsed"
count1
8
word"vibrated"
count1
highlights
0"weight"
1"warmth"
2"pulse"
3"could feel"
4"chill"
5"throbbed"
6"footsteps"
7"pulsed"
8"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
narrationSentences208
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences208
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences215
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen26
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1655
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
51.48% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions56
wordCount1624
uniqueNames10
maxNameDensity1.97
worstName"Aurora"
maxWindowNameDensity3
worstWindowName"Aurora"
discoveredNames
Richmond1
Park1
Aurora32
Heartstone4
Grove1
Eva11
Silas1
Welsh1
Rory1
One3
persons
0"Aurora"
1"Eva"
2"Silas"
3"Rory"
4"One"
places
0"Richmond"
1"Park"
globalScore0.515
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences124
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1655
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences215
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs140
mean11.82
std12.81
cv1.084
sampleLengths
09
148
214
33
443
52
615
751
812
96
106
111
122
1332
1431
155
161
175
186
1921
206
212
2233
2359
246
252
262
2731
287
296
3017
314
324
336
3437
356
3639
379
3820
392
403
416
4221
433
445
4521
463
4713
4848
495
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences208
matches
0"been crushed"
1"been blurred"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs267
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences1
totalSentences215
ratio0.005
matches
0"The last sound from the park—a fox barking somewhere beyond the road—cut off behind her."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1633
adjectiveStacks0
stackExamples(empty)
adverbCount50
adverbRatio0.03061849357011635
lyAdverbCount8
lyAdverbRatio0.004898958971218616
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences215
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences215
mean7.7
std5.43
cv0.706
sampleLengths
09
123
24
321
43
56
65
73
88
99
1026
112
1215
137
1419
1512
1613
173
189
196
206
211
222
2315
249
258
2614
275
282
2910
305
311
325
333
343
356
3615
376
382
394
4013
412
422
4312
4420
4513
4626
476
482
492
42.02% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.20657276995305165
totalSentences213
uniqueOpeners44
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences182
matches
0"Only the clearing."
1"Somewhere inside that dark, water"
2"Then something rustled behind her,"
3"Then a pale hand passed"
4"Then the flower slowly lifted"
5"Then the distortion closed."
ratio0.033
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount47
totalSentences182
matches
0"They bloomed in the darkness"
1"She touched the pendant beneath"
2"Its deep crimson centre gave"
3"Her voice travelled across the"
4"It returned from somewhere behind"
5"Their branches knitted overhead, black"
6"Her hand slid into the"
7"She tapped the screen again."
8"It hovered beside her face,"
9"She shifted her weight."
10"They simply returned to their"
11"Its warmth pressed against her"
12"She followed it towards the"
13"Their stems bent away in"
14"She caught it with the"
15"She looked directly at the"
16"Her breath clouded in front"
17"She could feel the chill"
18"Her left wrist throbbed beneath"
19"She took out her phone."
ratio0.258
61.65% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount145
totalSentences182
matches
0"Aurora crossed between the standing"
1"The stones rose from the"
2"Moonlight silvered the bark."
3"The gaps between them looked"
4"Wildflowers covered the ground in"
5"They bloomed in the darkness"
6"The last sound from the"
7"She touched the pendant beneath"
8"The silver chain had tangled"
9"Its deep crimson centre gave"
10"Her voice travelled across the"
11"It returned from somewhere behind"
12"The standing stones marked the"
13"The oak pillars curved together"
14"Their branches knitted overhead, black"
15"Her hand slid into the"
16"The screen showed 11:47 p.m."
17"The battery had dropped from"
18"She tapped the screen again."
19"The time had not moved."
ratio0.797
82.42% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences182
matches
0"Now the Heartstone rested against"
1"Now the trees stood far"
2"If the pendant warms, you’re"
ratio0.016
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences53
technicalSentenceCount2
matches
0"Her left wrist throbbed beneath its sleeve, the old crescent scar prickling as if a thread had caught beneath the skin."
1"It began as Eva’s laugh, then stretched into a wet, breathless sound that belonged to no human throat."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she murmured (murmur)"
dialogueSentences12
tagDensity0.417
leniency0.833
rawRatio0.6
effectiveRatio0.5
89.9445%