Run: 2026-07-09-01KX405SH2SCCMX70SY52GTVP3

Run Details

Duration:
29.1s
Cost:
$0.037405
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 delivery bike chained beneath the skeletal branches of a lime tree and walked deeper into Richmond Park with one hand closed around the Heartstone. The path had vanished behind her ten minutes earlier. She had followed the map on her phone until the screen turned black. Not dead. Black. The glass reflected her face instead: pale skin, straight black hair stuck across her mouth, bright blue eyes fixed on nothing behind her. She had put the phone away after that. The pendant rested against her palm, hot enough to leave a mark. Its crimson centre held a dim pulse, not light exactly. More like a heartbeat visible through skin. “Fine,” she muttered. “You wanted a portal. You found one.” The wind moved across the park in a thin sweep, combing the grass flat before lifting it again. It never touched the trees around the clearing. Aurora stopped. The oaks stood ahead, ancient and misplaced, their roots rising from the earth like knuckles under a blanket. Four stones pressed among them, each taller than she was. Moss covered their faces, but not evenly. It grew in long vertical strips, as if rain had fallen sideways for centuries. Her map had marked an old service road near here. The text message had given her the rest. COME ALONE. THE HEARTSTONE BELONGS AT THE GROVE. DO NOT LET IT TOUCH THE STONES. No name. No number. The message had vanished the moment she opened it. She had considered calling Silas. Considered calling Eva. Instead, she had climbed on the bike and pedalled through wet London streets until the city peeled away behind her. Now the silence had room to breathe. No traffic. No planes. No foxes rifling through bins or drunken voices cutting through the dark from a pub garden. Richmond Park had never been silent. Even at night it held the low machinery of the city around it. This place swallowed all of that. Aurora stepped towards the standing stones. The pendant flared in her hand. Heat stabbed through her fingers. She sucked in a breath and nearly dropped it, then caught the chain before it struck the ground. Something clicked from the trees. Not a twig breaking. It had a rhythm. Click. Click-click. Click. Aurora turned towards the sound. The trunks stood close together beyond the stones, too close for oaks. Their branches knit overhead. Between them, wildflowers scattered across the dark floor of the grove: bluebells, foxgloves, daisies, red poppies. They should have died months ago. Frost silvered the grass outside the ring of trees, yet inside the grove every petal stood fresh and open. A white flower tipped its head towards her. Aurora stared. The stem bent. Then another flower followed it. Then a dozen. Their faces turned from the unseen path of the wind and angled towards her, petals trembling. “No,” she whispered. The flowers went still. She forced herself through the gap between the first two stones. The air changed. Cold had bitten at her cheeks outside. Inside, damp warmth pressed around her, carrying the smell of crushed leaves, pond water, and something sweet enough to sour at the back of her throat. Her boots sank half an inch into black soil. The ring of stones stood behind her. She looked over her shoulder. The park was gone. Not hidden by trees. Gone. A wall of darkness filled the space beyond the stones, dense and flat, like a theatre curtain pulled across an open door. It did not reflect the moon. It did not move when the wind lifted the loose ends of her hair. Aurora raised her phone. The screen remained black. “Brilliant.” Click. Click-click. The sound came from somewhere to her left. She turned too fast. A sharp pull caught in her shoulder. Nothing stood among the flowers. A path cut through the grove, narrow enough for one person. It had not been there before. Pale stones lay in the mud, clean and dry, leading between trees whose bark shone silver in the dark. At the end of the path sat a pool. The water gave off its own light, blue-green and weak, enough to sketch the trunks around it. A shape rose from its centre: a slab of stone, waist-high, smooth as bone. The pendant dragged against Aurora’s grip. She clenched harder. Its chain bit into the crescent scar on her wrist. “Don’t let it touch the stones,” she murmured. The text had not said which stone. The clicking stopped. Aurora listened until her ears hurt. A soft scrape crossed the ground behind her. She spun around. Nothing. The wildflowers spread in every direction. Their stems bowed beneath pearls of moisture. A red poppy near her boot folded one petal inward. Then another. The flower closed itself with patient care. Every bloom in the grove followed. Petals tucked in. Leaves turned. The whole clearing seemed to draw its colour back into the earth. Aurora backed onto the path. “Who sent the message?” Her voice struck the trees and came back wrong. Who sent the message? The echo held no trace of her Cardiff lilt. It sounded lower. Dry. The last word stretched into a faint, wet rasp. She kept walking towards the pool. A branch creaked overhead. Aurora glanced up. Something pale clung to the underside of a bough. At first, she took it for stripped bark. Then it unfolded one joint. A hand hung above her. Long fingers, grey as drowned paper, gripped the branch. The wrist bent the wrong way. A second hand appeared beside it, then a third, each one emerging from the shadows between leaves. Aurora moved. She did not run. Running made noise. Running made panic useful. She walked faster, boots striking the pale stones, eyes on the pool. Behind her, the branch groaned. Something dropped into the flowers. It landed without a thud. The flowers nearest the sound flattened in a circle. Aurora reached the water’s edge. The pool lay perfectly still, clear enough to show the stone slab beneath the surface. The slab on the far side remained above the water, though no bank held it up. Its surface bore a hollow shaped like a heart. Her pendant throbbed. “No chance.” The pool reflected her. Black hair. Dark jacket. Blue eyes, wide and furious. Then her reflection smiled. Aurora did not. The thing in the water lifted its chin. She stepped back. The reflection’s mouth opened. No sound came from it, but the grove filled with a woman’s voice. “Aurora.” Her stomach tightened. Only one person had called her Aurora when they wanted to make her feel small. The water rippled. The reflected face changed. Evan leaned up from the black surface, his mouth split in that familiar ugly grin. Rain dripped from his hair. His eyes stayed fixed on her face. “You always made things difficult.” Aurora’s hands went cold despite the pendant’s heat. “You’re not him.” His smile widened. “You came all this way for a man you didn’t know.” “I came for an answer.” “You came because someone told you to.” The water shivered. Evan’s face slipped apart, features running like paint. A different face surfaced beneath it. Older. A woman with no eyes, only smooth skin where they should have been. “Aurora Carter.” The voice came from the pool, the flowers, the branches above her. “Aurora Carter. Daughter of Brendan. Daughter of Jennifer.” Aurora took another step back. The grey hands had gathered between the trees. She saw them now. Not bodies. Arms, dozens of them, hooked around trunks and dangling from branches. Fingers pressed into bark. Nails dragged slow furrows through wood. Click. Click-click. Their joints made the sound. The blind woman’s face rose higher from the water. Her shoulders emerged, then a dress woven from black weeds. No ripples formed around her. The pool held her as cleanly as glass held an insect. “You carry what was stolen.” “The pendant was given to me.” “Given.” The woman shaped the word with a mouth too still. “A softer word than stolen.” Aurora gripped the Heartstone against her chest. The silver chain burned across her knuckles. “Who are you?” The woman’s head tilted. The hands in the trees tilted with her. “Put it in the hollow.” “No.” The answer came before fear could dress it up. The woman’s mouth shifted. Not anger. Hunger had no need for that. “You crossed the boundary. You stood in our garden. You brought the key.” Aurora looked at the stone slab beyond the pool. The heart-shaped hollow glowed faint red now, matching the pendant. A key. Not an offering. The message had warned her not to let it touch the stones. The blind woman reached one hand from the water. Her fingers were thin and white, skin stretched over joints that clicked as they bent. “Give it back.” Aurora turned. The path behind her had narrowed. Trees crowded its edges, roots pushing up through the pale paving stones. The standing stones were no longer visible. A wall of trunks blocked the way, their bark furrowed by hundreds of nail marks. The hands had left the branches. They rested on the ground around the pool, palms down in the flowerless mud. Aurora crouched and snatched up a loose pale stone from the path. It fit in her fist, smooth and heavy. The woman watched. “What did you bring that for?” Aurora held the Heartstone over the water. The pendant’s glow sharpened. Crimson light bled through her fingers. “You wanted it in the hollow,” Aurora said. “You should’ve worded your threat better.” She threw the loose stone. It struck the surface. The pool broke open. Not splashed. Opened. Black water peeled apart in two vertical sheets, exposing a pit beneath the grove. Cold air blasted up from it, carrying a roar of distant voices. The blind woman shrieked, and every hand around the pool convulsed. Aurora ran. The path bucked under her boots. Pale stones cracked. Roots lunged through the gaps, twisting around her ankles. A hand closed around the back of her jacket. Aurora rammed her elbow backward. It struck something hard, jointed, and the grip loosened. She tore free, ducked beneath a low branch, and caught sight of the standing stones ahead. They had returned. Moonlight lay beyond them. Real moonlight. Thin clouds. Frosted grass. Behind her, the grove screamed with a hundred voices, all calling one name. “Aurora.” “Aurora.” “Aurora Carter.” She reached the stones. The Heartstone burned against her palm like a coal. The nearest monolith stood inches from her shoulder, its moss shining wet and green. Beneath it, a narrow gap opened between stone and earth. Aurora shoved the pendant into the gap. The crimson gem struck something below with a ringing crack. The grove went silent. Not quiet. Silent. Aurora froze with one hand still pressed against the stone. The pendant stopped burning. Behind her, water dripped once into the pool. Then the Heartstone pulsed beneath the standing stone, warm against her fingers.
created_at"2026-07-09T17:52:57.387Z" 7/9/2026, 5:52:57 PM
model"openai/gpt-5.6-terra-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency420
moderation_latency(null)
generation_time28944
tokens_prompt1038
tokens_completion3018
native_tokens_prompt916
native_tokens_completion2341
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.037405
router(null)
provider_responses
0
endpoint_id"3cc89000-ae34-4dde-9c7d-5ce009c8af0b"
id"resp_085c51cb65c32135016a4fdff973408196b5029182f4482751"
is_byokfalse
latency196
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-1783619577-mwclmUOf3i3iwbzEAFrB"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783619577-dO9xk40o2NDUUDlmSVCk"
upstream_id"resp_085c51cb65c32135016a4fdff973408196b5029182f4482751"
total_cost0.037405
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)
dialogueSentences30
tagDensity0.167
leniency0.333
rawRatio0
effectiveRatio0
97.27% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1833
totalAiIsmAdverbs1
found
0
adverb"perfectly"
count1
highlights
0"perfectly"
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)
72.72% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1833
totalAiIsms10
found
0
word"pulse"
count1
1
word"silence"
count1
2
word"warmth"
count1
3
word"echo"
count1
4
word"lilt"
count1
5
word"throbbed"
count1
6
word"stomach"
count1
7
word"familiar"
count1
8
word"furrowed"
count1
9
word"pulsed"
count1
highlights
0"pulse"
1"silence"
2"warmth"
3"echo"
4"lilt"
5"throbbed"
6"stomach"
7"familiar"
8"furrowed"
9"pulsed"
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
narrationSentences241
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences241
filterMatches
0"feel"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences266
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen27
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1833
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
totalMentions52
wordCount1705
uniqueNames11
maxNameDensity1.52
worstName"Aurora"
maxWindowNameDensity3
worstWindowName"Aurora"
discoveredNames
Richmond2
Park2
Heartstone5
Silas1
Eva1
London1
Aurora26
Cardiff1
Black3
Click7
Click-click3
persons
0"Heartstone"
1"Silas"
2"Eva"
3"Aurora"
places
0"Richmond"
1"Park"
2"London"
3"Cardiff"
4"Black"
globalScore0.738
windowScore0.667
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences129
glossingSentenceCount1
matches
0"appeared beside it, then a third, each one emerging from the shadows between leaves"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1833
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences266
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs172
mean10.66
std10.83
cv1.016
sampleLengths
027
19
239
38
429
510
626
72
849
918
102
116
127
1313
1428
157
1639
176
186
196
2023
215
228
231
241
251
265
2757
288
292
303
3124
323
334
3411
353
3633
379
3812
394
405
4142
424
434
441
451
461
478
4816
4936
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences241
matches
0"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs279
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences266
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1711
adjectiveStacks0
stackExamples(empty)
adverbCount54
adverbRatio0.031560490940970194
lyAdverbCount8
lyAdverbRatio0.004675628287551139
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences266
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences266
mean6.89
std4.83
cv0.7
sampleLengths
027
19
213
32
41
523
68
712
810
97
103
117
1218
138
142
1518
1610
177
1814
1910
208
212
226
237
242
252
269
275
283
2920
307
312
322
3316
346
3513
366
376
386
395
4018
415
424
434
441
451
461
475
4812
494
41.73% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats22
diversityRatio0.2744360902255639
totalSentences266
uniqueOpeners73
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount8
totalSentences200
matches
0"More like a heartbeat visible"
1"Instead, she had climbed on"
2"Then another flower followed it."
3"Then a dozen."
4"Then it unfolded one joint."
5"Then her reflection smiled."
6"Only one person had called"
7"Then the Heartstone pulsed beneath"
ratio0.04
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount47
totalSentences200
matches
0"She had followed the map"
1"She had put the phone"
2"Its crimson centre held a"
3"It never touched the trees"
4"It grew in long vertical"
5"Her map had marked an"
6"She had considered calling Silas."
7"She sucked in a breath"
8"It had a rhythm."
9"Their branches knit overhead."
10"They should have died months"
11"Their faces turned from the"
12"She forced herself through the"
13"Her boots sank half an"
14"She looked over her shoulder."
15"It did not reflect the"
16"It did not move when"
17"She turned too fast."
18"It had not been there"
19"She clenched harder."
ratio0.235
52.50% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount163
totalSentences200
matches
0"Aurora left the delivery bike"
1"The path had vanished behind"
2"She had followed the map"
3"The glass reflected her face"
4"She had put the phone"
5"The pendant rested against her"
6"Its crimson centre held a"
7"The wind moved across the"
8"It never touched the trees"
9"The oaks stood ahead, ancient"
10"Moss covered their faces, but"
11"It grew in long vertical"
12"Her map had marked an"
13"The text message had given"
14"THE HEARTSTONE BELONGS AT THE"
15"The message had vanished the"
16"She had considered calling Silas."
17"Richmond Park had never been"
18"This place swallowed all of"
19"Aurora stepped towards the standing"
ratio0.815
50.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences200
matches
0"Now the silence had room"
1"Even at night it held"
ratio0.01
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences58
technicalSentenceCount1
matches
0"Her fingers were thin and white, skin stretched over joints that clicked as they bent."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount0
matches(empty)
50.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she murmured (murmur)"
dialogueSentences30
tagDensity0.133
leniency0.267
rawRatio0.75
effectiveRatio0.2
91.0297%