Run: 2026-03-18-01KM09VDFWCVXJFNWV26YGE21K

Run Details

Duration:
20.3s
Cost:
$0.013598
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
Rory crossed the last stretch of grass with her shoulders up and her trainers sinking into the damp. Richmond Park had gone black behind the trees, and the city lights had fallen away until the grove felt dug out of the night with a knife. The Heartstone Pendant lay cold against her skin. She pinched it through her shirt, the silver chain biting her fingers, and stared at the ring of ancient oak standing stones ahead. They rose out of the clearing like missing teeth from some giant’s jaw. Moss thickened their bases. Lichen webbed across the dark bark. Wildflowers pushed up in careless clusters around them, pale heads catching the moon. Her phone had lost signal half a mile back. The screen gave her her own face in a dim rectangle when she checked it, blue eyes flat and tired, black hair falling into her mouth. The time blinked 1:17. “That’s cheerful.” Her voice came out too loud. The trees took it and handed back nothing. She stepped inside the circle. The air changed first. Not colder. Not warmer. Just different, as if she had walked from one room into another where someone had opened a window hours ago and let the smells settle: wet bark, crushed stems, old stone, something sweet under it all, like bruised fruit left in a bowl. The pendant shifted against her chest. Rory stopped and pressed a palm to it. Warmth seeped through her fingers in a slow pulse. Another one answered from somewhere ahead, faint but steady, like a second heartbeat buried under the ground. “Right,” she whispered. “You’ve brought me here. So bring me the rest.” The grove did not answer. She moved deeper between the stones, keeping her steps light. The wildflowers brushed her ankles. Their heads turned with her, not fully, just enough to make the motion feel wrong. A moth rose from a patch of yarrow and crossed her path in a silver blur. Then another. Then several at once, though she had not seen them until they lifted. A branch snapped in the trees beyond the clearing. Rory froze. The sound came from behind her left shoulder. Then another branch answered somewhere to her right. Not a windline crack. A careful break, a twig bent slow and let go with a dry pop. She spun, scanning the dark between trunks. Nothing moved. The moon sat high and thin above the canopy, caught in the bare fingers of branches. Her breath smoked in front of her mouth, brief and white, then vanished. She listened until her ears started to ache. A bird gave a single sharp note from the shadows. Not an owl, not a blackbird. Too wet. Too close. Rory rubbed her wrist where the little crescent scar sat under her sleeve. “I came for answers,” she told the dark. “Not a bloody wildlife tour.” The pendant warmed again, a notch hotter this time, and the silver chain tugged slightly to the east. She followed. At the centre of the grove, the ground dipped into a shallow bowl of grass and roots. A flat slab of stone sat there half sunk into the earth, its top polished by rain and age. On it rested a shallow pool of black water no larger than a dinner plate. Rory stopped so hard her shoe skidded in the mud. The water had not been there when she first looked. She crouched, careful not to touch it, and leaned in. Her own reflection looked back from the dark surface, but the face beneath the moonlight held still a fraction too long after she moved. The mouth stayed shut while hers parted. The eyes tracked her one beat late. She drew back fast enough to make her knees knock the stone. The reflection vanished. Only black water remained, holding the moon in pieces. Her pendant throbbed against her chest. Warmth flared once, sharp enough to make her flinch. “Okay.” The word slipped out thin and dry. She looked around the bowl. The stones stood at the rim like watchful backs. The flowers shivered without wind. Somewhere in the trees, something scraped bark in a slow drag. Rory stood and turned in a full circle. The clearing had changed. She knew it had because the stone to her right sat closer than it should have, and the oak beyond it leaned at a new angle, its branches spread wider, lower. She had not heard anything shift. She had not looked away long enough for anyone to move it. Yet the spaces between the stones had narrowed, or the grove had folded in on itself, subtle as a hand closing. “No.” She said it to the clearing, to the stones, to whatever waited beyond the dark. The sound of dripping water answered from behind her. She had not heard water before. No stream cut through Richmond Park. No spring bubbled in the grove. The drip came slow and deliberate, one drop at a time, striking stone. Rory turned back to the black pool. The surface had broken into rings. A line of water fell from somewhere above the slab, though the sky above it showed only branches and moon. Another drop landed. Then another. Each one hit in the exact centre. She reached out before she thought better of it and pulled her hand back so fast her fingers cramped. The water smelled of iron and wet pennies. Beneath that, a skin-crawling scent of roses left too long in a vase. Her phone buzzed. The sudden vibration near her hip nearly split her nerves. She snatched it from her pocket. The screen lit the clearing in a pale square and showed no notifications, no bars, just the time shifting backward. 1:17. 1:16. 1:15. Her jaw tightened. “That’s not how time works.” The pendant gave another pulse, and the black pool shuddered in answer. She looked up. A shape stood between two stones at the far edge of the bowl. Rory had not heard it arrive. It had not crossed the grass. It simply occupied the gap now, pale against the dark. Tall. Narrow. Human if she let herself glance at it too quickly. When she tried to focus, the details smeared, as though moonlight refused to settle on its edges. Her throat closed. The shape lifted one hand. No fingers. Not clearly. Something long and jointed. A greeting, maybe. Or a warning. Rory backed up one step and struck the stone behind her calf. Pain flashed up her leg. The shape tilted its head. Her phone screen went black. Darkness rushed back in. Her own face vanished from the glass. The grove swallowed the last bit of light from the display, and for one ugly second she saw her reflection still there anyway, not on the screen but behind the glass, standing with its mouth open and its eyes fixed over her shoulder. She dropped the phone. It hit the grass without a sound. Rory sucked in a breath that felt scraped raw going down. “Nope.” The word came out in a whisper, but the clearing seemed to hear it. The flowers leaned inward. The branch-scrape in the trees stopped. Even the water on the stone pool held still. The shape at the edge of the bowl had moved closer. Not walking. Not exactly. It had shifted between the spaces where walking would have made sense, and now it stood only a few paces from the nearest stone. Moonlight touched it in strips. A shoulder. A throat. The curve of a cheek too smooth to be human and too hard to be stone. The face changed each time she tried to hold it in focus, as if it wore several masks at once and could not settle on the one she deserved. Rory put her hand flat over the pendant. Heat burned up from the crimson gem, bright and sudden, and the chain tightened against her neck as if something on the far side had taken hold of it. She swallowed once. The sound sounded loud enough to wake the whole park. “What do you want?” Her voice did not shake, which felt like a victory of its own. The thing in the dark did not answer. It shifted its weight, and the grass bowed under feet she still could not quite make out. Behind it, between the stones, another shape flickered and was gone. Then another, higher up in the branches, a white blur folded neatly out of sight. Rory’s gaze snagged on the black pool. The water had begun to move again, not with ripples but with a slow turning, as if something beneath the slab rolled over in its sleep. A whisper slid across the stones. Not words. Not yet. Just breath dragged over leaves. Rory kept her eyes on the dark and eased one hand towards the ground where her phone had fallen. Her fingers brushed damp grass. The pendant burned hot enough to sting. The whisper came again, closer this time, and this time it carried her name.
created_at"2026-03-18T11:03:49.003Z" 3/18/2026, 11:03:49 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency16708
moderation_latency(null)
generation_time19668
tokens_prompt1038
tokens_completion3025
native_tokens_prompt916
native_tokens_completion2869
native_tokens_completion_images0
native_tokens_reasoning1034
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"
usage0.0135975
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0c41f0865b6c29070169ba869511d081979c41ef33c879bdb7"
is_byokfalse
latency208
model_permaslug"openai/gpt-5.4-mini-20260317"
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-1773831829-88GS2QWtSNmOOELo6o35"
upstream_id"resp_0c41f0865b6c29070169ba869511d081979c41ef33c879bdb7"
total_cost0.0135975
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences10
tagDensity0.2
leniency0.4
rawRatio0
effectiveRatio0
93.37% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1509
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"quickly"
count1
highlights
0"slightly"
1"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)
63.55% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1509
totalAiIsms11
found
0
word"warmth"
count2
1
word"pulse"
count2
2
word"scanning"
count1
3
word"throbbed"
count1
4
word"whisper"
count3
5
word"weight"
count1
6
word"flickered"
count1
highlights
0"warmth"
1"pulse"
2"scanning"
3"throbbed"
4"whisper"
5"weight"
6"flickered"
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
narrationSentences156
matches(empty)
97.07% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount4
narrationSentences156
filterMatches
0"feel"
hedgeMatches
0"started to"
1"tried to"
2"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences164
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen43
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1509
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
totalMentions19
wordCount1476
uniqueNames5
maxNameDensity0.88
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Park2
Heartstone1
Pendant1
Richmond2
Rory13
persons
0"Pendant"
1"Rory"
places
0"Park"
1"Richmond"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences102
glossingSentenceCount2
matches
0"felt like a victory of its own"
1"not quite make out"
67.46% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.325
wordCount1509
matches
0"not on the screen but behind the glass, standing with its mouth open"
1"not with ripples but with a slow turning, as if something beneath the slab rolled"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences164
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs81
mean18.63
std17.59
cv0.944
sampleLengths
045
18
259
339
42
514
65
751
86
934
1012
115
1261
139
142
1534
167
172
1837
1920
2026
2118
222
2351
2410
2510
2648
2712
283
299
3015
311
327
3330
348
3574
361
3715
389
3931
407
416
4232
4340
443
4536
461
471
481
498
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences156
matches
0"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs230
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences164
ratio0
matches(empty)
91.11% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1478
adjectiveStacks1
stackExamples
0"lay cold against her"
adverbCount64
adverbRatio0.04330175913396482
lyAdverbCount12
lyAdverbRatio0.008119079837618403
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences164
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences164
mean9.2
std7.5
cv0.815
sampleLengths
018
127
28
323
413
54
66
713
89
926
104
112
126
138
145
154
162
172
1843
196
208
219
2217
233
249
255
2610
275
2815
2916
302
3113
329
332
348
358
364
3714
387
392
4016
4113
428
4310
446
452
462
4713
488
495
39.44% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.2857142857142857
totalSentences161
uniqueOpeners46
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount8
totalSentences133
matches
0"Just different, as if she"
1"Then several at once, though"
2"Then another branch answered somewhere"
3"Only black water remained, holding"
4"Somewhere in the trees, something"
5"Even the water on the"
6"Then another, higher up in"
7"Just breath dragged over leaves."
ratio0.06
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount38
totalSentences133
matches
0"She pinched it through her"
1"They rose out of the"
2"Her phone had lost signal"
3"Her voice came out too"
4"She stepped inside the circle."
5"She moved deeper between the"
6"Their heads turned with her,"
7"She spun, scanning the dark"
8"Her breath smoked in front"
9"She listened until her ears"
10"she told the dark"
11"She crouched, careful not to"
12"Her own reflection looked back"
13"She drew back fast enough"
14"Her pendant throbbed against her"
15"She looked around the bowl."
16"She knew it had because"
17"She had not heard anything"
18"She had not looked away"
19"She said it to the"
ratio0.286
35.19% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount113
totalSentences133
matches
0"Rory crossed the last stretch"
1"Richmond Park had gone black"
2"The Heartstone Pendant lay cold"
3"She pinched it through her"
4"They rose out of the"
5"Moss thickened their bases."
6"Lichen webbed across the dark"
7"Wildflowers pushed up in careless"
8"Her phone had lost signal"
9"The screen gave her her"
10"The time blinked 1:17."
11"Her voice came out too"
12"The trees took it and"
13"She stepped inside the circle."
14"The air changed first."
15"The pendant shifted against her"
16"Rory stopped and pressed a"
17"Warmth seeped through her fingers"
18"Another one answered from somewhere"
19"The grove did not answer."
ratio0.85
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences133
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences59
technicalSentenceCount3
matches
0"Just different, as if she had walked from one room into another where someone had opened a window hours ago and let the smells settle: wet bark, crushed stems, …"
1"Heat burned up from the crimson gem, bright and sudden, and the chain tightened against her neck as if something on the far side had taken hold of it."
2"The water had begun to move again, not with ripples but with a slow turning, as if something beneath the slab rolled over in its sleep."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
50.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount1
fancyTags
0"she whispered (whisper)"
dialogueSentences10
tagDensity0.2
leniency0.4
rawRatio0.5
effectiveRatio0.2
87.9066%