Run: 2026-07-09-01KX41J8SBC19TTG08ENT177GC

Run Details

Duration:
25.5s
Cost:
$0.033430
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 found the first standing stone by walking into it. Her shoulder struck wet oak. Pain flashed down her arm. She caught herself against the rough bark and turned her phone’s torch towards the shape looming out of the rain. Not oak. Stone. It stood taller than she did, broad at the base and split near the top as if an axe had bitten it centuries ago. Moss filled the wound. Water threaded down its sides. Behind it, another slab waited among the trees. Then another. The park path had vanished ten minutes earlier. Rory looked back. Her torch caught rain, bracken, black trunks. No path. No distant traffic on the A3. No orange smear of London on the clouds. “Brilliant,” she muttered. “Top-notch decision-making.” The Heartstone lay against her sternum beneath her jacket, hot enough to sting. It had started warming while she locked up her bike outside the flat above Silas’ bar. By the time she reached Richmond Park, it had turned fierce, each pulse a small hard knock under her ribs. She had followed it because the alternative involved sitting in her room until dawn with an unknown magical object attempting to cook a hole through her chest. The silver chain had left a thin red groove around her neck. She stepped between the standing stones. The rain stopped. Not faded. Stopped. One foot crossed the line and the wet leaves ceased their drumming. The last drops hung from the branches, fat and bright in her torchlight. A bead of water slid from the tip of a fern, slowed, and trembled without falling. Rory stood with one trainer in mud and the other on a carpet of dry grass. Her breath came out white. Beyond the stones lay a clearing hidden beneath a roof of old branches. Wildflowers crowded the ground: foxgloves, bluebells, poppies, little white stars she could not name. They should have died months ago. Instead, they leaned in the cold dark as though someone had planted them that afternoon. Her phone screen blinked. 11:47 p.m. No signal. No emergency calls. Battery at sixty-three per cent. “That’s rude.” She tucked the phone into her palm and walked on. The grove did not feel large at first. A shallow bowl of land, perhaps fifty yards across, ringed by trees. Then her torch passed over the far edge and failed to find it. The light thinned among the flowers, swallowed by a pale, shifting fog. The pendant beat once against her chest. Warmth flowed through her coat, concentrated and heavy. It pulled her forward with each step. She had felt that pull before, once, in the alley behind Golden Empress, when a crack in the brickwork breathed winter air and whispered in a language that made her teeth ache. Yu-Fei had sealed it before Rory could see what waited on the other side. He had told her not to go looking for doors that wanted to stay shut. She had not mentioned the pendant. A flower snapped. Rory stopped. The noise had come from her left. A clean green break, stem against stem. Her torch swung through the rainless dark. Flowers. Tree roots. A low knot in the earth. Nothing moved. She listened. The silence had weight. Richmond Park should have carried something: wind moving through the canopy, deer shifting in the undergrowth, planes dragging their red lights across the sky. Here, sound ended a few feet from her body. Even her breathing seemed trapped beneath her scarf. The broken foxglove lay on the ground. Its stem had not bent. Something had crushed it flat. Rory crouched. The flowers around it pressed down in a narrow line, as if a heavy foot had crossed the clearing. The impressions led away from her, curved through a bank of bluebells, and disappeared into the fog. No prints marked the soft earth. “Hello?” Her voice travelled farther than it should have. It went out between the trees, came back thin, then returned again from somewhere behind her. Hello. The second echo did not use her voice. Rory rose so fast her knee clicked. She turned. The standing stones stood where she had left them, except there were more now. Seven dark pillars formed an uneven arch around the entrance. The gap between two of them held no view of the park. It showed only a narrow strip of white mist. Her phone torch flickered. “Don’t.” The beam steadied. She pressed her lips together. Talking to electronics had never improved their behaviour, but the word had slipped out before she could stop it. The pendant pulsed again. A patch of crimson lit her jacket from within. Rory unzipped it and drew the Heartstone free. The gem glowed in her palm, deep red beneath its polished surface. The colour did not spread like light. It pooled inside the stone, thick as blood in a glass vial. Each pulse made the chain twitch over her fingers. It pointed towards the centre of the grove. Not physically. Nothing so generous. Yet when she faced the mist, the pendant cooled. When she turned to the oldest tree at the clearing’s heart, heat climbed into her wrist. She glanced at the stones. Then at the dark tree. “Right. Portal. Weird magical threshold. No need to panic.” Something answered from the fog. A long exhale. It sounded close enough to stir the hair at the nape of her neck. Rory did not move. Her fingers closed around the pendant until its edges bit into her skin. The exhale came again. Not breath. Leaves rubbing together. Except there was no wind. The flowers nearest the fog folded shut. Poppies curled their petals into fists. Bluebells lifted their heads from the grass, all of them turning towards the same point beyond the torch’s reach. The old tree waited ahead. Its trunk split into three massive roots before it met the earth. Silver mushrooms climbed its bark in spirals. At its base sat a hollow large enough to crawl into. The pendant pulled. Rory walked. Every step made the clearing shift around her. The tree stayed the same distance away. She passed the same cluster of foxgloves twice, then three times. On the fourth pass, a pale ribbon had been tied around one stem. She stopped beside it. The ribbon looked new. White satin, stained at one end with mud. A child’s plait of dark hair hung from the knot. Rory’s hand hovered over it. The hair moved. Not in a breeze. It drew itself up, strand by strand, until it lay straight against the foxglove stem. The ribbon loosened. The knot opened with careful little tugs. Rory backed away. The pendant’s heat surged. The silver chain snapped taut across her palm, dragging her arm towards the tree. “No.” The chain pulled harder. She wrapped it around her fist. The Heartstone burned between her knuckles. Pain sharpened her thoughts. She planted her feet and yanked back. For one second, the grove became clear. The fog pulled aside. A black circle lay beneath the old tree, cut into the earth with no raised edge, no reflection. It looked like a pool until Rory saw the roots hanging over it. Their pale tips disappeared into the surface without making ripples. A Hel portal. The word arrived whole and cold. The Heartstone shone towards it. Then something stood on the other side of the pool. Rory saw no face. No body. Only a vertical absence darker than the portal itself, a human outline cut from the night. It stood beneath water that did not exist. Long shapes drifted around it, pale as drowned sleeves. Her phone buzzed in her pocket. She flinched. The vision broke. Fog sealed the tree away. The screen showed an incoming call. NO CALLER ID. Her thumb hovered over the green icon. The phone buzzed again. Once. Twice. The sound did not come from the phone alone. It rang from somewhere in the grove. A faint old-fashioned trill. Then another, farther right. A third started near the standing stones. Rory declined the call. The ringing stopped. Her own breath filled her ears. The screen went black, then lit up with a notification. One new voicemail. She had not declined it quickly enough to leave a voicemail. The call had lasted less than two seconds. Her thumb shook once before she tapped the message. Static crackled from the speaker. Then a woman’s voice spoke in a whisper. “Aurora.” Rory went still. Nobody used her full name unless they knew her from before London. Her parents. Eva, when she wanted something. Evan, when his voice turned soft and dangerous. The voicemail continued. “Aurora, don’t let it see your—” A wet tearing noise swallowed the rest. The message ended. Behind Rory, a branch creaked. She did not turn. The pendant lay cold in her fist now. Cold enough to numb her fingers. A shadow stretched across the flowers in front of her. It began at her boots. It reached past the foxgloves. It had too many joints.
created_at"2026-07-09T18:17:14.802Z" 7/9/2026, 6:17:14 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2998
moderation_latency(null)
generation_time25255
tokens_prompt1038
tokens_completion2377
native_tokens_prompt916
native_tokens_completion2076
native_tokens_completion_images0
native_tokens_reasoning188
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"
usage0.03343
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_038fe90f4163a2be016a4fe5aae1d08190ac57d802d806b3c9"
is_byokfalse
latency237
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-1783621034-XcRuHcfbGDzdDj0YGt51"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783621034-FhWwlMAkrZeZ0x5UGOsX"
upstream_id"resp_038fe90f4163a2be016a4fe5aae1d08190ac57d802d806b3c9"
total_cost0.03343
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences9
tagDensity0.222
leniency0.444
rawRatio0
effectiveRatio0
96.68% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1505
totalAiIsmAdverbs1
found
0
adverb"quickly"
count1
highlights
0"quickly"
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)
60.13% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1505
totalAiIsms12
found
0
word"looming"
count1
1
word"pulse"
count2
2
word"trembled"
count1
3
word"warmth"
count1
4
word"silence"
count1
5
word"weight"
count1
6
word"echo"
count1
7
word"flickered"
count1
8
word"pulsed"
count1
9
word"satin"
count1
10
word"whisper"
count1
highlights
0"looming"
1"pulse"
2"trembled"
3"warmth"
4"silence"
5"weight"
6"echo"
7"flickered"
8"pulsed"
9"satin"
10"whisper"
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
narrationSentences197
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences197
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences205
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1505
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
95.91% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions29
wordCount1479
uniqueNames8
maxNameDensity1.08
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
London2
Heartstone4
Richmond2
Park2
Golden1
Empress1
Rory16
Hel1
persons
0"Heartstone"
1"Rory"
places
0"London"
1"Richmond"
2"Park"
globalScore0.959
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences110
glossingSentenceCount2
matches
0"seemed trapped beneath her scarf"
1"looked like a pool until Rory saw the roo"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1505
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences205
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs122
mean12.34
std13.46
cv1.091
sampleLengths
010
130
23
343
48
526
65
749
827
912
106
113
123
1341
1416
155
1648
174
182
1910
202
2110
2245
237
2415
2561
266
273
282
2914
307
319
322
332
3445
357
365
375
3838
396
401
4124
421
438
447
452
4645
474
481
493
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences197
matches
0"been tied"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs236
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences205
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount160
adjectiveStacks0
stackExamples(empty)
adverbCount3
adverbRatio0.01875
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences205
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences205
mean7.34
std5.24
cv0.713
sampleLengths
010
15
25
320
42
51
624
74
85
98
102
118
123
137
142
156
168
173
182
1913
2016
2120
2227
2312
246
253
262
271
2812
2913
3016
3116
325
3313
3414
356
3615
374
382
392
403
415
422
4310
448
4512
4613
4712
487
498
49.11% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.32682926829268294
totalSentences205
uniqueOpeners67
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount8
totalSentences172
matches
0"Instead, they leaned in the"
1"Then her torch passed over"
2"Even her breathing seemed trapped"
3"Then at the dark tree."
4"Then something stood on the"
5"Only a vertical absence darker"
6"Then another, farther right."
7"Then a woman’s voice spoke"
ratio0.047
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount46
totalSentences172
matches
0"Her shoulder struck wet oak."
1"She caught herself against the"
2"It stood taller than she"
3"Her torch caught rain, bracken,"
4"It had started warming while"
5"She had followed it because"
6"She stepped between the standing"
7"Her breath came out white."
8"They should have died months"
9"Her phone screen blinked."
10"She tucked the phone into"
11"It pulled her forward with"
12"She had felt that pull"
13"He had told her not"
14"She had not mentioned the"
15"Her torch swung through the"
16"Its stem had not bent."
17"Her voice travelled farther than"
18"It went out between the"
19"It showed only a narrow"
ratio0.267
55.93% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount139
totalSentences172
matches
0"Aurora found the first standing"
1"Her shoulder struck wet oak."
2"Pain flashed down her arm."
3"She caught herself against the"
4"It stood taller than she"
5"Moss filled the wound."
6"Water threaded down its sides."
7"The park path had vanished"
8"Rory looked back."
9"Her torch caught rain, bracken,"
10"The Heartstone lay against her"
11"It had started warming while"
12"She had followed it because"
13"The silver chain had left"
14"She stepped between the standing"
15"The rain stopped."
16"The last drops hung from"
17"A bead of water slid"
18"Rory stood with one trainer"
19"Her breath came out white."
ratio0.808
29.07% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences172
matches
0"By the time she reached"
ratio0.006
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences51
technicalSentenceCount1
matches
0"It stood taller than she did, broad at the base and split near the top as if an axe had bitten it centuries ago."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
38.89% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences9
tagDensity0.111
leniency0.222
rawRatio1
effectiveRatio0.222
90.8572%