Run: 2026-07-09-01KX41GYHSGK6TWHVBKEFHWGA7

Run Details

Duration:
22.4s
Cost:
$0.029290
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 left the main path when the last cyclist’s red light vanished between the trees. Richmond Park lay under a thin moon, its grass silvered by frost and its bare branches folded against a sky the colour of old bruises. Somewhere beyond the dark, a stag barked once. The sound carried too far, then stopped as though something had put a hand over its muzzle. She checked the folded note beneath the beam of her phone. Bring the Heartstone to the old oaks after midnight. Come alone. No name. No explanation. The handwriting had pressed hard enough to scar the paper. Aurora tucked it back into her jacket pocket. The phone showed 12:17. No signal. That had happened the moment she passed the rusted gate near the plantation, though she had stood beneath two bars of reception a minute earlier and considered calling Eva. She had not called. The Heartstone hung against her sternum, warm through her black jumper. Its crimson centre held a dim, wet-looking light. Each step she took made the silver chain tap against the zip of her jacket. “Brilliant,” she muttered. “An anonymous note. A dead zone. Midnight in a park. Nothing stupid about this.” Her voice went nowhere. The trees swallowed it before the last word formed. She followed the narrow route she remembered from daylight: past the fallen beech with its split trunk, over a shallow ditch, through a belt of yew that scratched at her sleeves. The park had a particular smell after rain—mud, leaf rot, damp stone—but the air here held something sweeter. Wildflowers pushed through the frozen earth on both sides of the path. Bluebells. Foxgloves. Small white flowers shaped like open mouths. They should not have been alive in December. Aurora crouched beside one, keeping her phone trained on it. The petals had a translucent shine. A bead of water trembled on the edge of a leaf, though the ground around it lay dry. The flower turned towards her. Not with the slow drag of a stem following sunlight. It twisted in one sharp movement, its pale head facing her knee. Aurora stood. Her hand went to the pendant. The warmth had sharpened into heat. “Fine,” she whispered. “That was a thing. We saw it. We carried on.” A crack sounded from the trees behind her. She swung the phone round. The beam cut through branches and found nothing except trunks, thorny brush, and a long strip of mist lying low over the grass. The mist moved against the wind. It poured between the roots in a smooth white ribbon, then slipped behind a yew. Aurora waited. No footfall followed. No breath. No animal snort. She forced herself onwards. The old oaks stood beyond the yews. She knew them from walks in the park, though never from this angle and never at night. During the day they looked ancient but ordinary: a rough circle of thick, knotted trunks around a clearing. Tonight, they had become something else. The trees rose from the earth like pillars. Their bark looked black and polished in places, as though rain had run over it for a thousand years without drying. Roots broke the ground in thick ridges and curled around stones taller than Aurora’s waist. The standing stones marked the boundary of the Grove. She stopped at the first one. Its surface held shallow carvings. Spirals. Antlers. A woman with too many fingers raised to the moon. Moss filled the grooves, bright as emerald glass. The Heartstone burned against her chest. Aurora pulled the pendant free. The crimson gem glowed between her fingers, each pulse lighting the underside of her hand. The silver chain had grown hot enough to sting. “You wanted me here,” she told the clearing. “I’m here.” A low sound passed through the stones. It resembled wind travelling down a chimney, except the night had gone still. The branches did not stir. Her hair did not move. Frost lay untouched over the grass. Then the sound came again. This time it carried words. “Aurora.” She froze. The voice had come from her left, close enough that she felt the breath of it at her ear. She turned so fast her heel slid in the wet grass. Her phone beam swung across the clearing. It caught stones, roots, flowers. The light trembled in her hand. Nobody stood there. Her lungs pulled in cold air and held it. “Aurora Carter.” The second voice came from the opposite side of the circle. It had her mother’s voice. Not quite. Jennifer Carter had a clear, dry Welsh lilt, the kind that made even a scolding sound neat and practical. This voice stretched each syllable too far. It softened the hard edge of Aurora’s surname and made it sound like a caress. Aurora backed towards the nearest standing stone. “Mum?” The word slipped out before she could stop it. From the dark beyond the trees, something laughed. It did not laugh like a person. It clicked in short bursts, wet and eager, then made a noise like a branch snapping under a boot. Aurora gripped the pendant. Her thumb brushed the crescent scar on her wrist, the old pale mark raised under her skin. “Mum’s in Cardiff,” she said. Her voice cracked on the last word. She cleared her throat. “And you’re not her.” The clearing waited. The wildflowers bent towards her. Every stem leaned in her direction. Thousands of small heads dipped low across the frost, their petals brushing one another with a dry whisper. Aurora stepped backwards. Her shoulder struck stone. The impact jarred through her spine. She looked over her shoulder at the carved monolith. The woman etched into its face had changed position. Aurora knew it had. A moment earlier, the carved arms had lifted towards the moon. Now they hung at the figure’s sides. The fingers pointed at the ground. At Aurora’s feet. She lowered the phone. Something lay in the grass between her boots. A key. It looked old, iron-dark and long-necked, with a round bow shaped like a stag’s skull. Frost had formed over it in a clean white fur, yet the grass beneath it had turned green. Aurora did not pick it up. The note in her pocket crackled. She stared at it. The paper had not moved. Her jacket had no wind inside it. Still, the sound came again: a dry folding and unfolding, like someone creasing a sheet with careful fingers. She took it out. The message had changed. The original words remained, but another line had appeared beneath them in ink so fresh it shone. DO NOT LET IT ASK THREE TIMES. Aurora read it once. Then again. Behind her, her mother’s borrowed voice spoke from the trees. “Aurora?” The sound had lost its softness. It came thin and high, like breath forced through clenched teeth. Aurora folded the note and shoved it into her pocket. The pendant flashed crimson. For half a second, the clearing lit from below. Red light spilled through the roots and under the standing stones. The shadows of the oaks stretched across the frost. There were footprints inside them. Bare feet. Small at first, no bigger than a child’s. Then larger. Then huge, each print pressed deep into the earth as though something heavy had crossed the clearing. They began at the far edge of the Grove. They ended behind Aurora. She did not turn. The silence pressed against her ears until she heard the pulse in her throat. A warm breath touched the back of her neck. “Aurora Carter,” the voice whispered. It wore her own voice now. “Will you let me in?”
created_at"2026-07-09T18:16:31.565Z" 7/9/2026, 6:16:31 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3050
moderation_latency(null)
generation_time22257
tokens_prompt1038
tokens_completion2147
native_tokens_prompt916
native_tokens_completion1800
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"
usage0.02929
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_0511a04621d80332016a4fe57fa26c81948c5ecaa55b17af4c"
is_byokfalse
latency235
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-1783620991-fhMoCDOTL6NOOYQuAAZ5"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620991-ZKIS19DkSZEy9jg3kVMn"
upstream_id"resp_0511a04621d80332016a4fe57fa26c81948c5ecaa55b17af4c"
total_cost0.02929
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)
dialogueSentences14
tagDensity0.357
leniency0.714
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1276
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)
60.82% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1276
totalAiIsms10
found
0
word"trembled"
count2
1
word"warmth"
count1
2
word"footfall"
count1
3
word"pulse"
count2
4
word"lilt"
count1
5
word"whisper"
count1
6
word"etched"
count1
7
word"silence"
count1
highlights
0"trembled"
1"warmth"
2"footfall"
3"pulse"
4"lilt"
5"whisper"
6"etched"
7"silence"
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
narrationSentences149
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences149
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences158
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen31
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1274
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions27
wordCount1223
uniqueNames8
maxNameDensity1.39
worstName"Aurora"
maxWindowNameDensity3
worstWindowName"Aurora"
discoveredNames
Park1
Heartstone3
Eva1
December1
Aurora17
Grove2
Carter1
Welsh1
persons
0"Heartstone"
1"Eva"
2"Aurora"
3"Carter"
places
0"Park"
1"December"
globalScore0.805
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences92
glossingSentenceCount1
matches
0"appeared beneath them in ink so fresh it shone"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1274
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences158
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs91
mean14
std13.59
cv0.971
sampleLengths
015
150
211
311
414
543
64
734
817
94
109
1161
129
138
1434
155
1622
172
1812
1913
208
215
2244
232
248
254
2648
2744
289
296
3025
316
3229
3310
347
3529
365
375
381
392
4019
4129
423
439
442
4511
465
4743
487
491
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences149
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs201
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences1
totalSentences158
ratio0.006
matches
0"The park had a particular smell after rain—mud, leaf rot, damp stone—but the air here held something sweeter."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1228
adjectiveStacks0
stackExamples(empty)
adverbCount34
adverbRatio0.02768729641693811
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences158
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences158
mean8.06
std5.72
cv0.709
sampleLengths
015
125
28
317
411
59
62
72
82
910
108
114
122
1329
144
1511
168
1715
183
1914
204
219
2231
2318
2412
251
261
277
288
2910
306
3118
325
3310
3412
352
366
376
383
3910
408
415
4223
436
4415
452
463
472
483
494
49.58% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.33544303797468356
totalSentences158
uniqueOpeners53
77.52% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences129
matches
0"Somewhere beyond the dark, a"
1"Then the sound came again."
2"Then huge, each print pressed"
ratio0.023
92.87% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount41
totalSentences129
matches
0"She checked the folded note"
1"She had not called."
2"Its crimson centre held a"
3"Her voice went nowhere."
4"She followed the narrow route"
5"They should not have been"
6"It twisted in one sharp"
7"Her hand went to the"
8"She swung the phone round."
9"It poured between the roots"
10"She forced herself onwards."
11"She knew them from walks"
12"Their bark looked black and"
13"She stopped at the first"
14"Its surface held shallow carvings."
15"she told the clearing"
16"It resembled wind travelling down"
17"Her hair did not move."
18"She turned so fast her"
19"Her phone beam swung across"
ratio0.318
41.40% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount108
totalSentences129
matches
0"Aurora left the main path"
1"Richmond Park lay under a"
2"The sound carried too far,"
3"She checked the folded note"
4"The handwriting had pressed hard"
5"Aurora tucked it back into"
6"The phone showed 12:17."
7"That had happened the moment"
8"She had not called."
9"The Heartstone hung against her"
10"Its crimson centre held a"
11"Each step she took made"
12"Her voice went nowhere."
13"The trees swallowed it before"
14"She followed the narrow route"
15"The park had a particular"
16"Wildflowers pushed through the frozen"
17"They should not have been"
18"Aurora crouched beside one, keeping"
19"The petals had a translucent"
ratio0.837
38.76% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences129
matches
0"Now they hung at the"
ratio0.008
93.02% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences43
technicalSentenceCount3
matches
0"She followed the narrow route she remembered from daylight: past the fallen beech with its split trunk, over a shallow ditch, through a belt of yew that scratch…"
1"Jennifer Carter had a clear, dry Welsh lilt, the kind that made even a scolding sound neat and practical."
2"Then huge, each print pressed deep into the earth as though something heavy had crossed the clearing."
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"the voice whispered (whisper)"
dialogueSentences14
tagDensity0.357
leniency0.714
rawRatio0.6
effectiveRatio0.429
87.3542%