Run: 2026-07-09-01KX41BM874JF12A6XT3MGA076

Run Details

Duration:
14.6s
Cost:
$0.013834
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 Carter reached the standing stones at half past eleven, with mud on her boots and rain cooling the back of her neck. Richmond Park lay behind her in a dark spread of trees and open grass. No traffic reached this far in. The city had vanished between one stand of oaks and the next, leaving only the wind, the wet leather creak of branches and the faint clink of the silver chain against her throat. The stones rose from the earth in a broken ring. Ancient oak, each one taller than Aurora, their bark twisted into ridges that resembled fingers pressed together. She had passed them twice before without seeing anything except trees. Tonight, the path led straight to them. Aurora stopped at the boundary. The Heartstone pendant rested against her sternum. Its deep crimson surface held a faint inner glow, no brighter than a coal beneath ash. Warmth spread through the fabric of her shirt. “Right,” she murmured. “That’s new.” She closed her fingers around it. The stone pulsed once. Beyond the standing stones, wildflowers covered the clearing. They bloomed in every colour the darkness could not swallow: white star-flowers, blue bells, yellow cups, red petals veined in black. Their heads turned towards her. Not with the wind. One by one, they angled across the clearing until every flower faced the gap between the stones. Aurora kept her hand on the pendant. She had come to find the place where the Hel portal opened. That was what the pendant had promised, though it had never offered words. It had warmed near the thing hidden beneath the city, near the doorway that had appeared in the alley behind Golden Empress and vanished before she could step through it. Since then, the stone had tugged her west, then south, then across Richmond Park. Now it had brought her here. She glanced over her shoulder. The park remained where she had left it. Trees. Black grass. A low bank of fog stretched across the ground, though the night had stayed dry everywhere else. It pooled between the trunks and stopped at the stones, as cleanly as water against a wall. Her phone showed no signal. The time read 11:31. Aurora slipped it back into her coat. She had left the flat above Silas’ bar at eleven. She had crossed the park in less than twenty minutes. The walk should have taken longer, but the path had folded around itself, delivering her to the stones with the blunt efficiency of a lift. She stepped through the gap. The air changed. Cold struck her face. Then warmth climbed her legs from the flowers. The clearing smelled of damp earth, crushed mint and something sweet with a rotten edge. Behind her, a twig snapped. Aurora turned. Nothing moved between the stones. She waited, head tilted. A drop of water fell from an oak branch. It hit a leaf with a small, precise tap. “Fox,” she whispered. The word sounded thin. She looked across the clearing. The flowers formed no natural pattern. They grew in circles, rings within rings, all of them bent towards the centre. At the heart of the arrangement stood a narrow black pool. Its surface had frozen smooth despite the mild air. No moon reflected in it. No stars. The pendant warmed again. Aurora walked towards the pool. Her boots sank into soft ground. The earth gave beneath each step, then tightened around the soles as though it wanted to hold her there. She moved faster, resisting the urge to look back. Something rustled behind her. The noise travelled from left to right through the flowers. A long disturbance passed along the outer ring, stems bending in a line. It came close enough for Aurora to see the petals tremble beside her boot. She stopped. The movement stopped. She counted to five. At six, the flowers began to sway behind her. Aurora spun around. A gap opened in the blooms. Beyond it, the standing stones stood empty, pale trunks against the dark. The gap closed before she could decide whether it had been there before. Her left wrist prickled. The small crescent scar tightened beneath her sleeve, an old childhood mark that had never hurt in twenty years. “Get a grip,” she told herself. She reached the pool. Its black surface reflected her face, but not the clearing behind her. Aurora saw her own bright blue eyes, her straight black hair damp against her jaw, the pale line of her mouth. The reflection smiled. Aurora did not. She stepped back. The smile faded. A breath stirred the hair at her temple. She whirled. The clearing remained empty. The wildflowers dipped under a breeze that did not touch her coat. The pendant’s warmth had become a steady heat. She pulled the silver chain over her head and held the Heartstone in her palm. Its glow seeped between her fingers. The pool answered. A thin red line appeared beneath its surface. Aurora crouched at the edge. The line widened into a crack, though the water stayed unbroken. Darkness peeled apart below it. Something glimmered in the depth: a strip of pale stone, a stair descending into nowhere, a row of lights that flickered far below. The pendant tugged towards it. She should have called someone. Silas would have come, though he would have complained through the entire drive. Yu-Fei would have ordered her back to the restaurant and sent one of her cousins to drag Aurora home. Eva would have told her to stop touching magical objects with both hands. Aurora reached for the water. A child laughed in the trees. She froze. The sound came from behind the standing stones. A bright, breathless laugh, followed by the patter of small feet crossing wet ground. Aurora rose. “Hello?” The footsteps stopped. She turned towards the ring of stones. Her voice had travelled strangely. It had not echoed. It had seemed to sink into the flowers. Another laugh came from the far side of the clearing. Aurora watched the shadow between two stones. Something stood there. It had the height of a child, perhaps six or seven years old. Its outline looked wrong against the dimness—too narrow at the shoulders, too still in the knees. A pale face hovered above a dark coat. Aurora’s pulse kicked. “Are you lost?” The figure tilted its head. No face showed now. Only a flat oval of pale skin. She took one step towards it. The figure moved behind the stone. Aurora stopped before reaching the first ring of flowers. The cold had returned to the air, sharp enough to sting her lungs. “Don’t come closer,” she called. A small hand appeared around the side of the stone. The fingers curled over the bark. Aurora backed away. Her heel struck the pool’s edge. The black surface shivered. The child’s hand vanished. A voice spoke from directly behind Aurora’s shoulder. “You came late.” She spun, swinging the pendant like a weapon. The chain snapped across empty air. Nothing stood behind her. Her breath came hard. She scanned the clearing, then the stones, then the black pool. The pale figure had vanished. The flowers had returned to their upright positions. The air held no movement. A sound came from the oak boundary. Not a voice this time. A scrape. Slow wood against wood. Aurora moved towards the centre of the clearing, keeping the pool behind her. She gripped the broken chain in one hand and pressed the Heartstone into her palm with the other. “Who’s here?” The scrape came again. One of the standing stones shifted. The movement lasted less than a second. Bark flexed. Roots groaned beneath the soil. The stone leaned towards the gap, then settled back into place. Aurora stared at it. The pendant went cold. Every flower in the clearing folded closed. The sudden silence pressed against her ears. No insects. No branches. No distant park sounds. Even her breathing seemed to belong to someone else. A soft footfall landed behind her. Aurora turned. The black pool had changed. Its surface no longer reflected her face. It showed the standing stones from the opposite side, as though someone watched the clearing from beneath the water. Between two stones, a figure stood with its back to the pool. Aurora saw the figure’s coat. Dark wool. Narrow shoulders. Then it turned. Her own face looked up from the black water. The reflection’s bright blue eyes fixed on hers. Aurora stumbled away from the pool. Her wrist struck the pendant, and the Heartstone flared hot enough to burn through her skin. The reflection lifted one hand. Aurora’s hand remained at her side. The figure in the pool pressed its palm against the underside of the surface. Five pale shapes appeared in the black water. The fingers spread. A second hand joined them. Then a forehead rose between them, flattening the reflection until the face resembled something pressed against glass. Aurora held her breath. The thing in the pool opened its mouth. No sound emerged. Beyond the stones, something began to walk around the boundary. Each step crushed the wet grass with a deliberate, heavy press. The sound travelled from left to right, circling the grove. Aurora tracked it through the dark, but saw only the trees and the fog crouched at their roots. The steps stopped at the gap. The Heartstone burned in her fist. A shadow stretched between the stones, long and thin, reaching across the flowers towards her. It had no body behind it. It crossed the ground on its own, slipping between the stems without disturbing a single bloom. Aurora backed towards the pool. The reflection smiled again. This time, Aurora felt something touch the back of her neck. Five cold fingers rested beneath her hair.
created_at"2026-07-09T18:13:37.466Z" 7/9/2026, 6:13:37 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2000
moderation_latency(null)
generation_time13994
tokens_prompt1038
tokens_completion2582
native_tokens_prompt916
native_tokens_completion2153
native_tokens_completion_images0
native_tokens_reasoning139
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"
usage0.013834
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0d6f805fc48f3c4f016a4fe4d191288195a5256778c34d0dd1"
is_byokfalse
latency287
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-1783620817-S5KTNpX0csqr9PKOyQVQ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620817-6aShiXcXDYZV4Kjpx4hI"
upstream_id"resp_0d6f805fc48f3c4f016a4fe4d191288195a5256778c34d0dd1"
total_cost0.013834
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)
dialogueSentences9
tagDensity0.556
leniency1
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1631
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)
66.28% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1631
totalAiIsms11
found
0
word"warmth"
count3
1
word"pulsed"
count1
2
word"flickered"
count1
3
word"footsteps"
count1
4
word"echoed"
count1
5
word"pulse"
count1
6
word"scanned"
count1
7
word"silence"
count1
8
word"footfall"
count1
highlights
0"warmth"
1"pulsed"
2"flickered"
3"footsteps"
4"echoed"
5"pulse"
6"scanned"
7"silence"
8"footfall"
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
narrationSentences201
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences201
filterMatches(empty)
hedgeMatches
0"began to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences206
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen33
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1630
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
56.66% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions43
wordCount1607
uniqueNames8
maxNameDensity1.87
worstName"Aurora"
maxWindowNameDensity3
worstWindowName"Aurora"
discoveredNames
Carter1
Park2
Aurora30
Heartstone5
Hel1
Golden1
Empress1
Richmond2
persons
0"Carter"
1"Aurora"
2"Heartstone"
places
0"Park"
1"Richmond"
globalScore0.567
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences116
glossingSentenceCount1
matches
0"appeared beneath its surface"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1630
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences206
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs117
mean13.93
std15.12
cv1.085
sampleLengths
023
153
238
37
45
531
65
710
88
947
107
1169
126
135
1445
155
164
1752
185
193
2027
215
222
235
2422
253
264
2752
284
295
3034
314
3237
332
343
354
369
373
3831
3923
406
414
4236
433
443
453
468
4718
4829
493
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences201
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs250
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences206
ratio0.005
matches
0"Its outline looked wrong against the dimness—too narrow at the shoulders, too still in the knees."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount383
adjectiveStacks0
stackExamples(empty)
adverbCount9
adverbRatio0.02349869451697128
lyAdverbCount2
lyAdverbRatio0.005221932114882507
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences206
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences206
mean7.91
std5.47
cv0.691
sampleLengths
023
114
26
333
410
517
611
77
85
97
1016
118
123
132
146
154
168
1721
185
194
2017
217
2212
2313
2430
2514
266
275
288
291
302
3117
3217
335
344
357
3610
3710
3825
395
403
414
428
4315
445
452
465
474
489
499
43.69% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.25728155339805825
totalSentences206
uniqueOpeners53
91.07% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences183
matches
0"Then warmth climbed her legs"
1"Only a flat oval of"
2"Even her breathing seemed to"
3"Then it turned."
4"Then a forehead rose between"
ratio0.027
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount48
totalSentences183
matches
0"She had passed them twice"
1"Its deep crimson surface held"
2"She closed her fingers around"
3"They bloomed in every colour"
4"Their heads turned towards her."
5"She had come to find"
6"It had warmed near the"
7"She glanced over her shoulder."
8"It pooled between the trunks"
9"Her phone showed no signal."
10"She had left the flat"
11"She had crossed the park"
12"She stepped through the gap."
13"She waited, head tilted."
14"It hit a leaf with"
15"She looked across the clearing."
16"They grew in circles, rings"
17"Its surface had frozen smooth"
18"Her boots sank into soft"
19"She moved faster, resisting the"
ratio0.262
36.50% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount155
totalSentences183
matches
0"Aurora Carter reached the standing"
1"Richmond Park lay behind her"
2"The city had vanished between"
3"The stones rose from the"
4"She had passed them twice"
5"Tonight, the path led straight"
6"Aurora stopped at the boundary."
7"The Heartstone pendant rested against"
8"Its deep crimson surface held"
9"Warmth spread through the fabric"
10"She closed her fingers around"
11"The stone pulsed once."
12"They bloomed in every colour"
13"Their heads turned towards her."
14"Aurora kept her hand on"
15"She had come to find"
16"That was what the pendant"
17"It had warmed near the"
18"She glanced over her shoulder."
19"The park remained where she"
ratio0.847
27.32% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences183
matches
0"Now it had brought her"
ratio0.005
93.60% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences58
technicalSentenceCount4
matches
0"Ancient oak, each one taller than Aurora, their bark twisted into ridges that resembled fingers pressed together."
1"It had warmed near the thing hidden beneath the city, near the doorway that had appeared in the alley behind Golden Empress and vanished before she could step t…"
2"The small crescent scar tightened beneath her sleeve, an old childhood mark that had never hurt in twenty years."
3"Something glimmered in the depth: a strip of pale stone, a stair descending into nowhere, a row of lights that flickered far below."
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
totalTags4
fancyCount2
fancyTags
0"she murmured (murmur)"
1"she whispered (whisper)"
dialogueSentences9
tagDensity0.444
leniency0.889
rawRatio0.5
effectiveRatio0.444
87.1707%