Run: 2026-03-09-01KK9PTB64W0H96BHFFBQF0V6G

Run Details

Duration:
1m 27s
Cost:
$0.044335
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 reached the oak stones a few minutes past eleven, with Richmond Park spread behind her like a shut mouth. The path had fallen away in the dark. London had gone with it. No road hiss. No late bus grinding through gears. No clatter from a pub garden. The silence here had weight. It sat across her shoulders and pressed her chin down as she ducked between two ancient trunks and faced the clearing. Wildflowers covered the ground. In January. Pale foxgloves, white campion, yellow blooms she did not know, all open under a sky with no moon worth naming. Their heads tilted as if they listened. The grass between them looked too green, too fat with life for this time of year. The standing stones ringed the place in a rough oval, each one split with age, bark crawling up their sides where oak had gripped rock and grown through it. The Heartstone pendant lay cold against her throat during the walk from the gate. The moment she stepped over the line of stones, it woke. Heat spread through the thumbnail-sized crimson stone and settled in the hollow above her collarbone. A faint pulse pressed against her skin. Not fast. Not frantic. Steady. Like a second heart that knew where it was. Aurora took her phone from her coat pocket and checked the screen. One bar of signal. Then none. The time read 11:07. While she watched, the numbers dimmed and flicked to 10:52, then to 11:09. She let out a short breath through her nose. “Great.” Her voice did not travel. It dropped at her feet. She turned the phone torch on. The beam cut a pale lane through the flowers, and the clearing answered with colours that looked wrong in artificial light. The foxgloves shone with a damp, throat-like gloss. The white petals seemed to hold their own thin glow. Shadows pooled behind the stones and stayed there, thick and still. She had come because the pendant had spent three days growing warmer whenever she crossed the park on deliveries. At first she had blamed the bike ride, her scarf, her own skin. Then the warmth sharpened into a pull. Tonight, after her shift at Golden Empress, she had stood in the alley behind the restaurant with the Heartstone in her palm and watched it flare like banked coal the moment she faced west. So she had gone home, changed out of her work jacket, lied to herself for twenty minutes, then taken the Tube and walked into the park with a torch, a power bank, and the kind of planning that only looked sensible from a distance. She crouched near the nearest stone. Oak roots had pushed out of the earth and wrapped the base like knuckled fingers. The bark looked wet. She ran her light across grooves carved in the wood and found marks that could have been scratches, letters, or both. The pendant gave another pulse. “All right,” she murmured. “You dragged me out here. Give me something useful.” The words left her mouth and hung in the clearing. Not echoed. Hung. She felt them there, as if the dark had taken hold of each syllable and kept it. A branch clicked somewhere behind her. She straightened at once and swung the torch round. Nothing stood on the path. The trees beyond the stones packed close together, trunk after trunk, a black wall stitched with thin strips of silver where the light caught bark. Dead leaves furred the ground. No movement. No deer. No dog walker who had lost all sense. Aurora kept the beam there a moment longer. “Hello?” The park gave her the same dense quiet. She hated that more than a reply. Her left hand found the crescent scar on her wrist, thumb rubbing the old raised line. Habit. A small anchor from a stupid childhood accident. Something ordinary. Something human. The pendant burned hotter. She stepped deeper into the clearing. Flowers brushed her boots. Their stems felt fleshy through the leather, not brittle like winter growth should. A sweet smell rose up, thick enough to taste. Not perfume. Nectar left too long in a sealed jar. At the centre of the grove, the ground dipped. Not much. A shallow bowl, ringed with flat stones buried under moss. Her torch beam shook over them. Each one had a worn face, and each face had been cut with the same shape: a long oval with a split down the middle, like an eye half-open. Aurora stopped at the edge. “No chance this is normal.” She crouched and held the Heartstone over the dip. The crimson gem lit from within. Faint at first. Then brighter, until red slid through the silver chain and bled over her knuckles. Warmth spread up her fingers. The bowl in the earth answered with a breath of colder air, as if something below had opened its mouth. She did not pull back. Cool-headed, people called her. Quick on her feet. Good in a mess. Those things had carried her through worse rooms than this one. Through a flat with a broken lock. Through arguments that turned before she saw the turn coming. Through London with rent due and no plan worth boasting about. Still, the skin on the back of her neck tightened. The flowers around the dip moved. No wind touched her face. No branch swayed. Yet the blooms nearest the bowl bent low, all at once, their petals turned inward as if bowing to heat. Aurora rose from her crouch. The movement at the edge of her vision came and went before the thought formed. A shape slid between two stones on her left. Not large. Too smooth for a fox, too low for a person. She whipped the torch across. Only flowers. A stone. An oak root. Then, just for a beat, a dark line withdrew behind the next standing stone with the clean intent of a hand pulling a curtain. Aurora stared at that patch of shadow. “I saw that.” The clearing gave her a soft ticking sound. She turned. The nearest foxglove stalk twitched. Then another. Then another, in sequence, all the way round the ring, each flower making a dry tap as it knocked against its neighbour. Not wind. Not random. It moved in a circle around her, a patient counting sound. Tick. Tick. Tick. Her torch beam faltered when her hand shifted. She tightened her grip until her knuckles hurt. “Right. No. I’m not doing games.” She backed away from the bowl. The pendant throbbed against her chest. Hotter now. Her phone, still in her other hand, vibrated once. She looked down so fast the torch flashed across the stones. No signal. Battery 63 per cent. One new voice memo recording. She had not opened the app. Aurora thumbed it. The file sat there with no title. Length: 00:14. Cold slid under her ribs. She pressed play and raised the speaker to her ear. Static hissed. Then footsteps. Soft. Measured. Grass underfoot. After three seconds, her own voice came through the speaker, thin and distant. “Hello?” That had been a minute ago, when she had turned toward the path. A second voice answered from the recording. Not loud. Not strained. Close to the phone. “Don’t look behind you.” The memo ended. Aurora did not move. The torch beam held on a knot in the bark of the stone nearest her. She watched the light tremble over it and felt every part of her body choose a different instruction. Run. Turn. Freeze. Laugh. Scream. None won. Her mouth dried out. There came a sound near her right ear. A small intake of breath, the kind someone made before speaking in a cinema. She swung the torch. Empty air. Flowers. Stone. The sweet smell had changed. Rot threaded through it now, fine as wire. Not enough to fill the grove. Enough to spoil it. Like fruit gone black at the core while the skin still shone. Aurora backed toward the outer ring of stones. One step. Two. The counting taps stopped. In the silence that followed, something padded through the flowers on the far side of the clearing. She tracked the sound with her torch and caught stems parting, nothing more. Then the movement curved behind the centre dip and continued, circling her at a distance she could not judge. It made no hurry. It let her hear each footfall. A soft press. A pause. Another press. She turned with it, keeping the beam low. “Who’s there?” The answer came from behind the stone at her left shoulder. “Rory.” Her own nickname. Her own voice. Perfect. Aurora’s gut clenched. She pivoted and brought the torch up. The beam struck the stone and spilled around it. No one. But the shadow cast by the stone leaned the wrong way. The light hit from her right. The shadow stretched toward her from the left, thin and dark and moving over the flowers with a liquid drag. Aurora stepped back so hard her heel slipped. She caught herself on another stone and felt bark press into her palm. Wet bark. Too wet. She jerked her hand away and stared. The oak bark had opened along one seam. Not split. Opened. Beneath it lay a surface smooth as flesh, pale grey, with a faint pulse running under it from root to branch. The pendant flashed hot enough to sting. “Enough.” Her voice cracked across the clearing sharper than she expected. She grabbed the Heartstone through her jumper and yanked the chain over her head. The silver snagged in her hair. She swore, tore it free, and held the gem out at arm’s length like a warning lamp. Red light flooded the bowl in the centre. The flowers folded. Every bloom in the clearing snapped shut with a single papery clack. Dark rose from the dip. Not smoke. Smoke drifted. This lifted in long strips, blacker than the night around it, and hung above the shallow bowl in a shape her eyes would not settle on. The torch beam hit it and bent. Light slid away from it as if off oil. Aurora’s breath came short. The thing at the edge of the grove stopped circling. She felt its attention land on her with the weight of a hand between her shoulder blades. Then the voice spoke from three places at once: behind her, across the bowl, and near her boot. “Wrong door.” The phone torch died. The clearing vanished. Aurora stood in blind dark with the Heartstone burning red in her fist, and something moved through the closed flowers toward her, slow enough for her to hear each stem crush under its steps. “Stay back.” Her own words shook in the black. A shape passed between her and the Heartstone’s glow, close enough to turn the red light into a thin eclipse. Air touched her face. Not wind. A lean, cold exhale from a mouth inches away. Aurora lifted the pendant higher.
created_at"2026-03-09T16:27:53.425Z" 3/9/2026, 4:27:53 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency14437
moderation_latency(null)
generation_time86577
tokens_prompt1038
tokens_completion3208
native_tokens_prompt916
native_tokens_completion2803
native_tokens_completion_images0
native_tokens_reasoning516
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.044335
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_062468068c5b0fa90169aef50981e08196ab57ac2c4007e9a8"
is_byokfalse
latency184
model_permaslug"openai/gpt-5.4-20260305"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773073673-RmbN3NzN9NCf0AuwySel"
upstream_id"resp_062468068c5b0fa90169aef50981e08196ab57ac2c4007e9a8"
total_cost0.044335
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences14
tagDensity0.071
leniency0.143
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1835
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)
53.68% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1835
totalAiIsms17
found
0
word"silence"
count2
1
word"weight"
count2
2
word"pulse"
count3
3
word"flicked"
count1
4
word"warmth"
count2
5
word"echoed"
count1
6
word"throbbed"
count1
7
word"vibrated"
count1
8
word"footsteps"
count1
9
word"measured"
count1
10
word"footfall"
count1
11
word"perfect"
count1
highlights
0"silence"
1"weight"
2"pulse"
3"flicked"
4"warmth"
5"echoed"
6"throbbed"
7"vibrated"
8"footsteps"
9"measured"
10"footfall"
11"perfect"
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
narrationSentences229
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences229
filterMatches
0"hear"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences242
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen44
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1835
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions2
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1795
uniqueNames12
maxNameDensity0.78
worstName"Aurora"
maxWindowNameDensity1.5
worstWindowName"Aurora"
discoveredNames
Richmond1
Park1
January1
Heartstone6
Golden1
Empress1
Tube1
London2
Aurora14
One3
Through3
Tick3
persons
0"Heartstone"
1"Aurora"
2"One"
places
0"Richmond"
1"Park"
2"January"
3"Golden"
4"London"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences121
glossingSentenceCount1
matches
0"as if bowing to heat"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1835
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences242
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs109
mean16.83
std17.62
cv1.047
sampleLengths
020
154
24
32
472
525
636
735
89
91
1010
1156
1273
1344
1446
155
1613
1730
186
199
205
2142
228
231
248
257
2629
274
2842
2956
305
315
329
3348
3456
3510
366
3728
385
3936
405
4131
427
433
448
452
4644
471
481
491
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences229
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs286
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences242
ratio0
matches(empty)
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1798
adjectiveStacks1
stackExamples
0"lay cold against her"
adverbCount46
adverbRatio0.025583982202447165
lyAdverbCount3
lyAdverbRatio0.0016685205784204673
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences242
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences242
mean7.58
std6.81
cv0.898
sampleLengths
020
18
25
33
46
56
65
721
84
92
1020
117
1216
1329
1414
1511
1615
177
182
192
201
219
2212
234
242
254
2613
279
281
295
305
316
3221
338
3410
3511
3619
3713
387
3934
4044
416
4215
434
4421
455
464
479
4810
492
53.44% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats24
diversityRatio0.38016528925619836
totalSentences242
uniqueOpeners92
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount7
totalSentences172
matches
0"Then the warmth sharpened into"
1"Then brighter, until red slid"
2"Too smooth for a fox,"
3"Then, just for a beat,"
4"Then another, in sequence, all"
5"Then the movement curved behind"
6"Then the voice spoke from"
ratio0.041
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount44
totalSentences172
matches
0"It sat across her shoulders"
1"Their heads tilted as if"
2"She let out a short"
3"Her voice did not travel."
4"It dropped at her feet."
5"She turned the phone torch"
6"She had come because the"
7"She crouched near the nearest"
8"She ran her light across"
9"She felt them there, as"
10"She straightened at once and"
11"She hated that more than"
12"Her left hand found the"
13"She stepped deeper into the"
14"Their stems felt fleshy through"
15"Her torch beam shook over"
16"She crouched and held the"
17"She did not pull back."
18"She whipped the torch across."
19"It moved in a circle"
ratio0.256
87.91% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount128
totalSentences172
matches
0"Aurora reached the oak stones"
1"The path had fallen away"
2"London had gone with it."
3"The silence here had weight."
4"It sat across her shoulders"
5"Wildflowers covered the ground."
6"Their heads tilted as if"
7"The grass between them looked"
8"The standing stones ringed the"
9"The Heartstone pendant lay cold"
10"The moment she stepped over"
11"Heat spread through the thumbnail-sized"
12"A faint pulse pressed against"
13"Aurora took her phone from"
14"The time read 11:07."
15"She let out a short"
16"Her voice did not travel."
17"It dropped at her feet."
18"She turned the phone torch"
19"The beam cut a pale"
ratio0.744
29.07% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences172
matches
0"While she watched, the numbers"
ratio0.006
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount2
matches
0"The beam cut a pale lane through the flowers, and the clearing answered with colours that looked wrong in artificial light."
1"Yet the blooms nearest the bowl bent low, all at once, their petals turned inward as if bowing to heat."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
78.57% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she murmured (murmur)"
dialogueSentences14
tagDensity0.071
leniency0.143
rawRatio1
effectiveRatio0.143
93.2223%