Run: 2026-07-09-01KX403PCVTH5VQKDTMC4J192N

Run Details

Duration:
16.1s
Cost:
$0.014080
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 crossed between the standing stones at eleven minutes past midnight. The last streetlamp had vanished behind the trees. Its orange light clung to the wet road, then thinned between the trunks until the dark swallowed it. Ahead, the ancient oaks stood in a broken ring, their bark silvered by moonlight. Beyond them lay the Fae Grove. Aurora paused with one boot raised over the line of pale stones. The pendant rested against her sternum, cold beneath her jumper. She touched the deep crimson stone through the fabric. It had pulsed twice since she left the park path. Not glowed. Pulsed. She drew out her phone and checked the screen. No signal. The time read 12:14. “Brilliant,” she muttered. “That’s exactly what I wanted.” The phone showed the same minute when she checked again. Aurora slipped it into her pocket. She had promised Yu-Fei she would deliver the last order before ten. She had promised Silas she would stop taking walks alone at night. She had promised herself she would stop carrying a stranger’s pendant into places where the trees seemed to lean closer whenever she looked away. She stepped through the stones. The air changed. It didn’t grow colder. The damp smell of Richmond Park vanished, along with the mud, crushed leaves and distant traffic. The Grove smelled of flowering things. Sweet pea, rain-wet grass, and something sharp beneath them, like iron left in a basin. Wildflowers spread between the roots and over the clearing. Bluebells crowded the shadows. White star-shaped blooms opened in the moonlight. Tiny yellow flowers trembled though no wind moved through the grass. Aurora lowered her boot. A twig cracked behind her. She spun around. The standing stones marked the boundary, just as they had in the daylight photographs she had found online. Beyond them, trees pressed together in a solid wall. No path showed through the undergrowth. No road noise reached her. No fox barked. No owl called. Her own breath seemed too loud. “Fox,” she whispered. The word fell flat. She pulled out her phone again. The display still read 12:14. The battery had dropped from sixty-three percent to nineteen. Aurora looked at the stones. Lichen covered their sides in pale, twisting patches. One had a narrow groove running from top to bottom. Water gathered there, though the stone stood dry beneath the moon. She turned back towards the clearing. A shape moved between the flowers. Aurora froze. It passed at the edge of her vision, low and quick. A dark ripple among the white blooms. When she faced it, the flowers stood still. Her hand tightened around the pendant. Warmth spread through the chain. She had come to the Grove because the pendant had led her there. Not in any sensible way. For three nights, it had pulsed whenever she walked west from the flat. The first night, she had blamed a faulty clasp. The second, she had followed the warmth as far as the park gates. On the third, the stone had begun to glow beneath her shirt. She had found a photograph of the standing stones in an old forum post. The caption had called the place Isolde’s grove. The post had vanished by morning. Aurora had saved the image before it disappeared. Now she stood inside the real thing, holding the pendant her unknown benefactor had left in an envelope beneath her flat door. She took a step towards the centre. A small bell rang somewhere among the trees. Aurora stopped. The sound held one clean note. It faded, then returned from farther away. She glanced at her phone. 12:14. “Hello?” Her voice travelled across the clearing and came back from the left. Hello? Aurora’s shoulders tightened. The echo did not sound like her. It had the same pitch, but the second syllable stretched thin. Someone had copied her from memory. She walked on. The Grove sloped gently towards a pool of black water. Moonlight lay across its surface without breaking. No insects hovered above it. No reeds grew along the edge. A fallen oak formed a bridge over the narrowest point, its roots gripping the bank like knuckles. At the far side, something pale stood between two trees. Aurora raised her phone and used the torch. The beam reached the trunks. It showed peeling bark, white fungus and a curtain of hanging moss. Nothing pale. She lowered the phone. The figure stood there. It had moved closer. Aurora backed away from the pool. Her boot struck a stone, and she caught herself before she fell. The figure remained between the trees, too tall and too narrow to be a person. Its head tilted towards her. She lifted the torch again. The space between the trees was empty. A laugh sounded from the far bank. Aurora’s throat closed. It was a child’s laugh. Soft. Delighted. Close enough to touch. She looked over her shoulder. No one. The pendant warmed against her chest. Its faint inner glow showed through her jumper, a red smudge beneath the wool. The pool stirred. A circle widened across the black surface. Aurora stepped away from it. “I’m here for the portal,” she called. Her voice sounded foolish in the clearing. She had read the word in the vanished forum post. Hel portal. A doorway, according to one contributor. A wound, according to another. Most of the discussion had consisted of insults and photographs of ordinary woodland. She had expected a ruined arch. A shimmer. Something she could photograph and take to someone who knew what it meant. Not this. The water settled. Behind her, the flowers rustled. Aurora turned. A narrow trail had appeared through the blooms. The stems bent away from one another, forming a path no wider than her shoulders. It led towards the oldest oak in the clearing, where black branches twisted over the grass. She hadn’t seen it before. She did not move. At the end of the trail, something scraped against the tree. Once. Then again. Aurora reached into her pocket and wrapped her fingers around her phone. She opened the camera. The screen flickered. For an instant, the image showed the clearing from above, the flowers arranged in a perfect spiral around the pool. Then the screen returned to the normal view. A dark shape stood behind her. Aurora swung around. Nothing. The phone slipped in her hand. She caught it against her palm. Her reflection stared back from the black screen: bright blue eyes, straight black hair brushing her shoulders, a pale face tightened around the mouth. A second reflection appeared over her shoulder. A woman with a white face and a mouth that opened too far. Aurora threw the phone. It struck the flowers and vanished beneath them. The clearing held its breath. Aurora didn’t call out. She kept her eyes on the place where the phone had disappeared. A few petals trembled. One by one, the flowers bent towards the ground. She reached for the pendant. The silver chain had tightened around her neck. Aurora slid two fingers beneath it and pulled. The chain cut into her skin. The crimson stone glowed through her jumper, hot now, almost burning. Across the clearing, the standing stones began to hum. The sound rose from the earth, too low to hear yet strong enough to vibrate in her teeth. The pool shivered. The flowers folded their heads. The trees seemed to draw together around her. The trail through the blooms closed behind her. Aurora turned towards the boundary. The stones stood in the same broken ring, but the gaps had narrowed. Pale slabs leaned into one another, their edges almost touching. Beyond them, the woodland looked different. The trunks were thinner. The darkness between them deeper. She walked to the nearest gap. A voice spoke from behind her. “You came late.” Aurora stopped. The voice belonged to her. Not the warped echo from before. This sounded exactly like her voice, scraped raw with fatigue. It came from somewhere near the oldest oak. She faced the tree. “Who are you?” The answer came from the flowers at her feet. “Who are you?” Aurora looked down. The phone lay among the blooms, screen lit. The camera had opened by itself. On the display, she saw the back of her own head and shoulders. The image came from somewhere behind her, though she held no camera. In the frame, a tall figure stood close enough to touch her. Its face remained outside the image. Aurora’s wrist burned where the old crescent scar crossed her skin. She remembered falling against a broken fence as a child, her mother pressing a tea towel to the cut while her father shouted for the neighbour. The memory arrived whole and bright, then vanished beneath the humming stones. The figure in the phone moved. Aurora did not. A long hand settled on her shoulder. She felt the weight through her jumper. The phone screen went black. Aurora held her breath. The hand remained. Its fingers were cold, but the palm pressed with human certainty. “Take it off,” she whispered. The grip tightened. She raised her free hand and touched the pendant. The stone burned against her chest. Red light leaked between her fingers. The figure leaned close behind her. Its breath touched her ear. “Open the door.” Aurora looked at the standing stones. A vertical seam of crimson light had opened between them. It split the darkness from earth to sky, narrow as a knife cut. Beyond it, something moved beneath a colourless sky. The hand on her shoulder slid towards her throat. Aurora drove her elbow backwards. It struck nothing. The pressure vanished. She stumbled forward, caught herself, and turned. Flowers swayed behind her. The old oak stood empty. The pool reflected the moon. The red seam widened with a sound like fabric tearing. Aurora faced it, pendant clenched in her fist, and watched a pale hand reach through from the other side.
created_at"2026-07-09T17:51:48.644Z" 7/9/2026, 5:51:48 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2204
moderation_latency(null)
generation_time15675
tokens_prompt1038
tokens_completion2832
native_tokens_prompt916
native_tokens_completion2194
native_tokens_completion_images0
native_tokens_reasoning133
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"
usage0.01408
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_0dd774fbf82d4906016a4fdfb4b834819385c0470cb525511d"
is_byokfalse
latency191
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-1783619508-9MODU4Tr20JJdhtIqRBf"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619508-b1V85VACKVFfdYDsH5nx"
upstream_id"resp_0dd774fbf82d4906016a4fdfb4b834819385c0470cb525511d"
total_cost0.01408
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
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences10
tagDensity0.4
leniency0.8
rawRatio0
effectiveRatio0
96.99% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1659
totalAiIsmAdverbs1
found
0
adverb"gently"
count1
highlights
0"gently"
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)
63.83% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1659
totalAiIsms12
found
0
word"pulsed"
count3
1
word"trembled"
count2
2
word"warmth"
count2
3
word"echo"
count2
4
word"flickered"
count1
5
word"perfect"
count1
6
word"weight"
count1
highlights
0"pulsed"
1"trembled"
2"warmth"
3"echo"
4"flickered"
5"perfect"
6"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
narrationSentences221
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences221
filterMatches(empty)
hedgeMatches
0"seemed to"
1"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences227
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
totalWords1659
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
64.16% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions39
wordCount1631
uniqueNames9
maxNameDensity1.72
worstName"Aurora"
maxWindowNameDensity2.5
worstWindowName"Aurora"
discoveredNames
Carter1
Fae1
Grove4
Yu-Fei1
Silas1
Richmond1
Park1
Isolde1
Aurora28
persons
0"Carter"
1"Silas"
2"Isolde"
3"Aurora"
places
0"Fae"
1"Grove"
2"Richmond"
3"Park"
globalScore0.642
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences133
glossingSentenceCount1
matches
0"appeared over her shoulder"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1659
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences227
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs134
mean12.38
std13.42
cv1.084
sampleLengths
012
146
212
329
43
515
68
710
854
95
103
1141
1231
134
145
153
1644
176
183
194
2020
2134
226
236
242
2526
266
275
2865
2928
308
3122
327
338
342
3513
365
371
381
3912
401
413
4224
433
4445
4510
468
4717
482
494
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences221
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs268
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences227
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1635
adjectiveStacks1
stackExamples
0"White star-shaped blooms"
adverbCount42
adverbRatio0.025688073394495414
lyAdverbCount2
lyAdverbRatio0.0012232415902140672
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences227
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences227
mean7.31
std4.52
cv0.619
sampleLengths
012
18
218
314
46
512
610
79
810
92
101
119
122
134
143
155
1610
176
1812
1912
2024
215
223
234
2416
256
2615
279
284
297
3011
314
325
333
3418
359
366
375
383
393
406
413
424
436
445
459
465
478
4810
4911
39.38% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats24
diversityRatio0.2345132743362832
totalSentences226
uniqueOpeners53
16.84% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences198
matches
0"Then the screen returned to"
ratio0.005
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount56
totalSentences198
matches
0"Its orange light clung to"
1"She touched the deep crimson"
2"It had pulsed twice since"
3"She drew out her phone"
4"She had promised Yu-Fei she"
5"She had promised Silas she"
6"She had promised herself she"
7"She stepped through the stones."
8"It didn’t grow colder."
9"She spun around."
10"Her own breath seemed too"
11"She pulled out her phone"
12"She turned back towards the"
13"It passed at the edge"
14"Her hand tightened around the"
15"She had come to the"
16"She had found a photograph"
17"She took a step towards"
18"It faded, then returned from"
19"She glanced at her phone."
ratio0.283
48.38% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount163
totalSentences198
matches
0"Aurora Carter crossed between the"
1"The last streetlamp had vanished"
2"Its orange light clung to"
3"Aurora paused with one boot"
4"The pendant rested against her"
5"She touched the deep crimson"
6"It had pulsed twice since"
7"She drew out her phone"
8"The time read 12:14."
9"The phone showed the same"
10"Aurora slipped it into her"
11"She had promised Yu-Fei she"
12"She had promised Silas she"
13"She had promised herself she"
14"She stepped through the stones."
15"The air changed."
16"It didn’t grow colder."
17"The damp smell of Richmond"
18"The Grove smelled of flowering"
19"Wildflowers spread between the roots"
ratio0.823
25.25% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences198
matches
0"Now she stood inside the"
ratio0.005
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences60
technicalSentenceCount1
matches
0"She remembered falling against a broken fence as a child, her mother pressing a tea towel to the cut while her father shouted for the neighbour."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she whispered (whisper)"
dialogueSentences10
tagDensity0.4
leniency0.8
rawRatio0.75
effectiveRatio0.6
84.9612%