Run: 2026-03-06-01KK1GVZP1WNJYW2X7G1PM7CDZ

Run Details

Model:
GPT-5.4
Duration:
1m 10s
Cost:
$0.040795
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 stepped past the ancient oak stones and the air changed against her skin. Not colder. Not warmer. Thicker. She stopped with one trainer in the grass of the Grove and one still on the worn earth of Richmond Park, and for a moment she felt like the world had gripped her by the ribs. Behind her, the park stretched in a smear of silvered field and black tree lines under a moon thin as a clipped nail. Ahead, the clearing opened in a hush too complete to trust. Wildflowers covered the ground in drifts of pale colour that should not have survived October, let alone bloom in it. White bells. Blue stars. Red petals like fresh cuts in velvet. The scent hung heavy and sweet, enough to coat her tongue. Rory let out a slow breath and looked at her phone. No signal. “Brilliant.” Her own voice fell flat. The clearing swallowed it. No echo. No rustle after. Even the city had dropped away. No distant traffic from the road, no aircraft, no fox bark, no drunk laughter from some late walk home. London had vanished ten steps behind her. She put the phone in her jacket pocket and touched the pendant at her throat. The Heartstone sat warm against her chest, warmer than it had been on the walk through the park. The deep crimson gem held a faint glow under the collar of her black jumper, like a coal banked under ash. She drew it free on its silver chain and watched it pulse once. “Right,” she muttered. “So this was worth climbing out of bed for.” The note had been slipped under her door sometime after midnight. No signature. No explanation. Just a line in neat, narrow handwriting. If you want answers about the pendant, go to the Grove alone. Come before one. She should have burned the note and gone back to sleep. She knew that. An anonymous message after the kind of week she’d had should have set off every alarm in her head. Instead she had pulled on jeans, boots, her thick jacket, and slipped downstairs without waking anyone. Curiosity had always beaten caution by a nose. Now caution stood at her shoulder and folded its arms. The standing stones sat behind her in a rough crescent, their surfaces swallowed by moss and age. The great oak trunks woven among them looked less like trees from this side and more like figures in a crowd with their backs turned. She resisted the urge to glance behind them. “Hello?” Again the sound went nowhere. Rory moved deeper into the clearing. Dew slicked the grass dark around her boots. The flowers brushed her ankles. Every few steps the pendant gave a faint pulse, a steady, watchful warmth, as though it recognised the place and did not care for it. At the centre of the Grove stood a low stone basin choked with ivy, half sunk into the ground. Moonlight pooled in it. No, not moonlight. Water. Black and still enough to pass for polished slate. That had not been in the stories Eva had repeated after too much wine and too little sense. Hidden clearing. Strange time. Don’t eat anything. Don’t dance with anyone prettier than you. She would have remembered a basin. Rory approached it with her shoulders tight. The surface reflected the night sky, but wrong. Too many stars. They formed tight white knots she did not recognise, crowded together as if someone had shaken the heavens and let them settle in a new pattern. She leaned in. Her own face surfaced beside them: bright blue eyes, black hair pushed back by damp air, mouth set in a line she had inherited from her father whenever he expected trouble and found it. The water rippled. She jerked back. Nothing had touched it. No leaf had fallen in. No wind crossed the clearing. Yet the reflection broke apart in neat widening circles. The stars bent. Her face stretched, thinned, vanished. The basin went still again. Rory stared at it. “No.” She took two steps back. Somewhere to her left, a flower stem snapped. Not loud. Soft. Delicate. Human ears could have missed it in any ordinary field. Here it cracked through the silence like a knuckle in a chapel. Rory turned at once. Nothing. The flowers stood in pale drifts under the moon. A row of silver birches marked the edge of the clearing, their trunks white as bones. Between them the dark pressed close and depthless. She held her breath and listened. There. A faint brushing sound. Not from the trees. Lower. In the flowers. A rabbit, she thought at once, and then dismissed it. Rabbits made a different rhythm, quick and light, all stop-start panic. This sound dragged. A slow passage through stems, as if something moved with care not to be heard and failed by inches. “Whoever asked me here,” she called, “this mysterious routine has had its moment. Come out.” No answer. The brushing stopped. Rory slid her hand into her jacket pocket and closed her fingers around the small folding knife she carried on late deliveries. Useless against anything larger than a drunk with poor judgement, but the weight helped. She did not draw it. Not yet. The pendant pulsed twice. Heat spread across her collarbone. A smell drifted through the flowers. Wet earth first. Then stagnant water. Then something old, mineral, sealed away. The sweetness of the blossoms thinned under it. Rory swallowed and scanned the clearing. The birches. The basin. The standing stones at her back. The flowers bent in no wind. At the edge of her vision, someone crossed between the trees. She spun. A pale vertical shape slipped behind a birch trunk and vanished. Too tall for a child. Too narrow for a deer. She took three fast strides towards it before sense caught up and planted itself in her boots. “Not funny.” Her words came sharper now, and the silence after them felt less empty than before. It felt occupied. She listened so hard her jaw ached. At first she caught nothing. Then, far beyond the birches, from deeper dark inside the pocket of the Grove, came a faint sound like laughter heard underwater. Not laughter. Not quite. It rose and dipped in a human shape, but no breath drove it. More like reeds keening through a bottle neck. The sound drifted from one side of the clearing to the other without crossing the space between. Rory’s mouth dried. “All right. Enough.” She backed towards the standing stones. She would step out, call Eva, call anyone, come back in daylight with a torch and common sense. The note had got what it wanted. She had arrived. If there was a lesson buried in this place, she could dig it up after sunrise. She reached the stone line and turned. The park had gone. Beyond the oaks there was only more trees. Not Richmond Park’s open field. Not the path she had taken from the road. A wall of trunks stood close together, bark black and ridged, their branches knitted so thick they covered the sky. No gap. No gate. No sign anyone had ever walked there. Rory stared at the place where the path should have been and laughed once through her nose. “No. Absolutely not.” She stepped between two stones anyway. The air pushed back. It felt like walking into deep water without the wet. Pressure spread over her face, chest, legs. The pendant flared hot enough to sting. She shoved forward on instinct, shoulder first, and the force held her in place. Grass flattened under her boots. Her scar burned on her left wrist, a white line of old pain waking under skin. “Move.” Nothing moved but the chain at her throat as her breathing shortened. She stepped back out of the stone line. The pressure vanished. Behind her, in the clearing, something exhaled. It came close to her ear. Damp. Patient. Rory whipped around and pulled the knife free in the same motion. The blade looked absurd in the moonlight, no longer than her palm. No one stood behind her. But the flowers had changed. A narrow track cut through them from the basin to the stones, stems bent flat as if something had just passed over them. Not walked. Pressed. The trail held no footprints. It looked like the mark left by a body dragged over soft ground. At the end of the trail, inches from her boots, the flowers still trembled. Rory backed away. Her knife hand stayed up. Her other hand gripped the pendant hard enough for the chain to bite. The strange laughter came again, nearer now, and this time she heard words trapped inside it. Her name. Not spoken cleanly. Stretched. Broken into pieces. “Au-ro-ra.” The voice rose from the basin. She looked at it before she meant to. The black water shivered under the moon. Ripples crossed and crossed again without end, as if rain struck it from beneath. A shape leaned up through her reflection. White at first. Then not white but colourless, like flesh leeched in river water. The top of a head. The line of a cheek. A mouth opening where no mouth should have been. Rory took another step back and her heel caught in the flowers. She recovered before she fell. The figure in the basin lifted farther, though the water never broke around it. It remained all reflection and no substance, yet it watched her with a focus that turned her stomach. Its face wore hers. The eyes were wrong. Too wide. No blue in them. Only star-packed black, the same impossible sky she had seen on the water. “Who are you?” Her own voice came back from the basin at once. “Who are you?” The mouth in the water lagged behind the words by half a breath. It smiled after. Rory gripped the knife so hard her fingers shook. She hated that. Hated the betrayal of it. “You sent the note?” The reflection’s head tilted. The copied movement stopped a fraction too far, neck bending with a softness no human spine owned. “You came.” The words did not come from the water this time. They came from the flowers to her right. Rory spun and found nothing but white blossoms, silver grass, dark stems. “You came,” whispered the birches ahead. “You came,” breathed the standing stones behind her. “You came,” murmured the basin in her own voice. The pendant burned hot against her palm. Crimson light leaked between her fingers now, steady and deep. Every pulse matched the thud in her throat. Rory forced herself to plant her feet. “You want something from me. Fine. Start making sense.” For one beat, the clearing held still. Then every flower in the Grove turned towards her. Not with a gust. Not with the random shift of stems. They pivoted together, thousands of faces lifting on their stalks with a dry, papery hiss until every bloom pointed at her like an audience. The smell of stagnant water thickened. Rory did not move. She could not spare the movement. At the edge of the clearing, among the birches, figures stood where no figures had stood before. Tall, thin, half lost in strips of moonlight. She counted three, lost one, found five. Their limbs merged with trunks when she looked straight at them. When she blinked, they had edged closer. The copied face in the basin opened its mouth wide. Far too wide. A sound poured out. Not a scream. Not speech. A low wet note that made the grass at Rory’s feet quiver and the pendant blaze against her hand. The silver chain snapped taut at her neck as if something in the basin had hooked it and pulled. Rory seized the chain with both hands and yanked back. The stone flared crimson so bright it painted the flowers blood-dark and threw hard shadows across the Grove. The figures at the birch line recoiled all at once, their shapes folding in on themselves like smoke sucked through a crack. The note from the basin broke. The black surface slapped flat. Silence crashed down. Rory stood bent over, chain cutting into her fingers, lungs dragging air that tasted of iron and damp petals. Then, from somewhere just behind her left shoulder, close enough for breath to stir the ends of her hair, a voice like dry leaves over stone spoke in a low, careful whisper. “That is not yours to wear.”
created_at"2026-03-06T12:10:00.266Z" 3/6/2026, 12:10:00 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency650
moderation_latency(null)
generation_time69294
tokens_prompt1038
tokens_completion3166
native_tokens_prompt916
native_tokens_completion2567
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.040795
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_083c70dbcdb2ebf50169aac418618881938c510220f9835d5c"
is_byokfalse
latency286
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-1772799000-m8vFTyajCR97Hwu8q2Tm"
upstream_id"resp_083c70dbcdb2ebf50169aac418618881938c510220f9835d5c"
total_cost0.040795
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)
dialogueSentences20
tagDensity0.1
leniency0.2
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount2088
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)
59.29% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount2088
totalAiIsms17
found
0
word"velvet"
count1
1
word"echo"
count1
2
word"pulse"
count3
3
word"warmth"
count1
4
word"dance"
count1
5
word"silence"
count3
6
word"weight"
count1
7
word"pulsed"
count1
8
word"scanned"
count1
9
word"absolutely"
count1
10
word"trembled"
count1
11
word"stomach"
count1
12
word"whisper"
count1
highlights
0"velvet"
1"echo"
2"pulse"
3"warmth"
4"dance"
5"silence"
6"weight"
7"pulsed"
8"scanned"
9"absolutely"
10"trembled"
11"stomach"
12"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
narrationSentences244
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences244
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences259
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords2088
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions33
wordCount2019
uniqueNames7
maxNameDensity0.94
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
Grove6
Richmond2
Park2
October1
Heartstone1
Eva2
Rory19
persons
0"October"
1"Heartstone"
2"Eva"
3"Rory"
places
0"Richmond"
1"Park"
globalScore1
windowScore1
95.26% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences137
glossingSentenceCount3
matches
0"felt like the world had gripped her by"
1"felt like walking into deep water witho"
2"looked like the mark left by a body dragg"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.479
wordCount2088
matches
0"not white but colourless, like flesh leeched in river water"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences259
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs117
mean17.85
std18.89
cv1.059
sampleLengths
014
15
2112
311
42
51
646
715
852
912
1022
1115
1257
1310
1450
151
165
1744
1836
1938
207
2174
223
233
2436
254
261
275
288
2926
304
311
3239
331
3412
3543
3615
372
383
3943
409
416
4220
4322
4411
452
4638
472
4818
497
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences244
matches
0"been slipped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs312
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences259
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount2022
adjectiveStacks0
stackExamples(empty)
adverbCount78
adverbRatio0.03857566765578635
lyAdverbCount3
lyAdverbRatio0.001483679525222552
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences259
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences259
mean8.06
std6.44
cv0.799
sampleLengths
014
12
22
31
436
523
611
720
82
92
107
1111
1211
132
141
155
164
172
183
196
2019
217
2215
2318
2421
2513
263
279
2811
292
302
317
3212
333
3411
353
3619
3716
388
3910
4017
4125
428
431
445
456
468
475
4825
4919
44.53% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats28
diversityRatio0.33204633204633205
totalSentences259
uniqueOpeners86
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount16
totalSentences207
matches
0"Even the city had dropped"
1"Just a line in neat,"
2"Instead she had pulled on"
3"Again the sound went nowhere."
4"Too many stars."
5"Somewhere to her left, a"
6"Then stagnant water."
7"Then something old, mineral, sealed"
8"Too tall for a child."
9"Too narrow for a deer."
10"Then, far beyond the birches,"
11"More like reeds keening through"
12"Then not white but colourless,"
13"Only star-packed black, the same"
14"Then every flower in the"
15"Then, from somewhere just behind"
ratio0.077
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount46
totalSentences207
matches
0"She stopped with one trainer"
1"Her own voice fell flat."
2"She put the phone in"
3"She drew it free on"
4"She should have burned the"
5"She knew that."
6"She resisted the urge to"
7"She would have remembered a"
8"They formed tight white knots"
9"She leaned in."
10"Her own face surfaced beside"
11"She jerked back."
12"Her face stretched, thinned, vanished."
13"She took two steps back."
14"She held her breath and"
15"She did not draw it."
16"She took three fast strides"
17"Her words came sharper now,"
18"It felt occupied."
19"She listened so hard her"
ratio0.222
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount143
totalSentences207
matches
0"Aurora stepped past the ancient"
1"She stopped with one trainer"
2"Wildflowers covered the ground in"
3"The scent hung heavy and"
4"Rory let out a slow"
5"Her own voice fell flat."
6"The clearing swallowed it."
7"London had vanished ten steps"
8"She put the phone in"
9"The Heartstone sat warm against"
10"The deep crimson gem held"
11"She drew it free on"
12"The note had been slipped"
13"She should have burned the"
14"She knew that."
15"An anonymous message after the"
16"Curiosity had always beaten caution"
17"The standing stones sat behind"
18"The great oak trunks woven"
19"She resisted the urge to"
ratio0.691
72.46% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences207
matches
0"If you want answers about"
1"Now caution stood at her"
2"If there was a lesson"
ratio0.014
97.07% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences78
technicalSentenceCount5
matches
0"Every few steps the pendant gave a faint pulse, a steady, watchful warmth, as though it recognised the place and did not care for it."
1"They formed tight white knots she did not recognise, crowded together as if someone had shaken the heavens and let them settle in a new pattern."
2"A narrow track cut through them from the basin to the stones, stems bent flat as if something had just passed over them."
3"It remained all reflection and no substance, yet it watched her with a focus that turned her stomach."
4"A low wet note that made the grass at Rory’s feet quiver and the pendant blaze against her hand."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences20
tagDensity0.1
leniency0.2
rawRatio0.5
effectiveRatio0.1
95.6203%