Run: 2026-03-18-01KM0AFPQW7BK8E4576TJW7JP9

Run Details

Duration:
15.7s
Cost:
$0.013935
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 cut across the last strip of lawn and slowed when the trees thinned into a clearing that should not have existed in Richmond Park. The night held still over the grass. No foxes. No drunk voices from the road. No hiss of tyres on wet tarmac. Just the drag of her trainers through damp leaves and the small, hard tap of the silver chain against her collarbone. The Heartstone pendant rested under her T-shirt, warm against her skin. She stopped at the line of ancient oak standing stones and looked up. The trunks rose from the dark like split teeth, broad and knotted, their bark ridged with age and rain. Wildflowers crowded the ground between them in thin, stubborn patches, white and yellow and bruised purple, bright as if daylight had missed them by hours. The sight pulled a tight feeling across her ribs. She had seen the grove in daylight once, from the outside, and it had looked like a folded pocket of green tucked behind the park’s usual mess of paths and brambles. At night it looked less like a place and more like a mouth. She slipped her phone from her pocket and checked the screen. 11:47. No signal. “Brilliant.” Her own voice sounded wrong in the clearing, thin and far away. The pendant gave a single warm pulse under her shirt. Not much. Just enough to press its shape into her skin and pull her focus downward. She thumbed the chain free and let the crimson stone drop into her palm. The gem caught a weak glint from the moon and answered with its faint inner glow. It looked almost alive, a red eye shut behind glass. “Right,” she muttered. “Lead on, then.” She had not come here for fresh air. Two nights earlier, the pendant had flashed hot in her flat above Silas’ bar while she stood at the sink with a mug in her hand, and the heat had lasted only a breath before it vanished. The next evening it had done the same as she passed the park on a delivery route, the stone turning warm enough to sting her chest. She had followed that feeling to the edge of Richmond Park, then stopped because she knew better than to wander into dark places alone with a piece of unknown magic hanging round her neck. That had lasted until sunset, when the pendant had gone hot again and warm points of light had danced behind her eyes every time she looked west. So she had come. She stepped between the first two stones. The air changed at once. It cooled around her ankles, then pressed close to her face, carrying the smell of wet bark and iron and something sweet gone sour beneath it. The hairs on her forearms lifted. Her left wrist prickled over the small crescent scar there, as if a cold fingertip had brushed it. Rory turned a slow circle. The park beyond the grove had vanished. Not hidden. Gone. The tree line pressed close all around the clearing, dark and unmoving. She could not see the path she had crossed to get here. She could not even make out the gaps between the trunks. The stones stood in a rough ring around her, each one darker than the last, and the wildflowers at their feet trembled despite the still air. She let out a breath through her nose. “Okay.” The word vanished into the grove. A twig snapped. Rory froze. It came from behind her, close enough to make her shoulders lock. She turned fast, heart kicking hard once against her ribs, but the clearing held empty. Only the flowers shivered in a patch of moonlight. She stared into the dark between two stones. Another crack. Then the faint scrape of something dragging over bark. Her fingers closed around the pendant. The stone warmed again, sharper this time, and the heat climbed into her palm. “Not funny.” No answer came. She took one step, then another, keeping the stones in view. Her trainers sank into soft earth. The flowers bent and brushed her shins with damp petals. She watched the edges of the clearing, the lines where tree trunks should have stood clean against the dark. Her eyes kept snagging on movement that vanished when she looked straight at it. A pale shape near the roots. A narrow flash between branches. A shift in the grass that left no trace. The grove remained quiet for half a breath. Then came the sound of rain. Rory looked up. No clouds moved across the moon. The leaves above her stayed dry. Yet a soft patter tapped the stone nearest her shoulder, then another, and another, as if a light drizzle had started overhead in a roofless room. Drops darkened the bark. They slid down in tiny black lines. She stared at the wet patch spreading over the stone. “That’s not right.” The words left her mouth before she could catch them. She looked around again, jaw tight, and the rain sound stopped at once. Silence dropped back over the grove so hard it made her ears ring. From somewhere beyond the ring of stones, a woman laughed. Rory spun toward the sound. Her pulse leapt into her throat. The laugh came again, faint and breathy, carried on no wind at all. It was not close enough to make out words, but it bent around a shape she almost recognised. Not Eva. Not her mum. It held a lighter edge, a little tilt at the end that made the skin at the back of her neck tighten. She swallowed. “Nope.” She moved toward the nearest stone instead of the sound. The rough surface held cold under her fingertips. Thin grooves cut into the bark-like rock, too deliberate to be natural. She traced one with the pad of her thumb and felt the pendant jerk in her fist. Warmth flared. Rory jerked her hand back. The stone had not changed, but the grooves had deepened when she looked at them again. Her breath caught. She leaned in and squinted. The marks did not form letters. They curled like roots, then straightened, then curled again, as if the stone could not choose a shape and kept changing its mind. Something moved at the edge of her vision. She snapped her head left. A figure stood beyond the farthest stone. Rory’s whole body went tight. It had the outline of a man at first glance, tall and still, but the shape melted when she focused on it. Long limbs. Too narrow at the shoulders. A dark face turned away from her. Hair or leaves hung down its back in a heavy line. Her mouth went dry. The figure stood inside the grove’s ring, on the other side of the clearing, and the distance between them felt wrong. Too long. Too short. She could not measure it. Her eyes refused to settle. “Hello?” The word came out rough. The figure did not move. Rory took one careful step back. The pendant pulsed against her palm, not warm now but hot, and the heat made her grip tighten until the chain bit into her fingers. The figure lifted its head. She could not see its face. The moonlight broke on something smooth where features should have been, and then the thing was gone. Rory stumbled back into a patch of flowers and nearly caught her ankle on a root. “Jesus.” Her voice cracked on the last sound. She whirled, looking for the figure again, but the stone ring held empty. No branch shifted. No footstep sounded. Only the faint, wet whisper of flowers dragging against one another. Her phone vibrated once in her pocket. She grabbed it so fast that it slipped and banged against her wrist scar. The screen lit her hands blue. No signal. One missed call. Unknown number. She stared at it. The call log changed while she watched. The missed call disappeared. A new one took its place, timestamped for 11:12. Her stomach dropped. “No.” The screen refreshed again. 11:12 vanished. 11:48 appeared. Then 11:12 again. Rory locked the phone and shoved it back into her pocket as if it had burned her. The grove had gone quiet in the thick, listening way of a room where someone had just stopped speaking. She stood with the pendant clenched in one hand and fought the urge to run because she did not know which direction led out, and every direction now looked like the same wall of trees. A whisper slid along the back of her neck. She turned so fast her shoulder struck the stone behind her. The clearing stood empty. She held still. The whisper came again, not from the trees now, but from the grass near her feet. A low, close murmur brushed across the flowers. Rory bent without meaning to and saw the wildflowers leaning together in a thin line, their heads turned toward her as if listening. She straightened slowly. “Who’s there?” The flowers rustled. No wind touched them. The pendant throbbed once in her hand, hard enough to make her flinch. The crimson stone had deepened in colour, its inner glow stronger now, like an ember fed from below. Heat climbed into her fingers. She looked down and found the silver chain wrapped around her knuckles in a twist that had not been there a second ago. Her pulse hammered. She worked the chain loose with shaking hands. A voice spoke from behind her shoulder. “Rory.” She went cold all through. The voice held her name in a tone so plain and close that for one wild instant she almost answered. It did not belong to anyone she knew. It had no edge to it, no breath, just the shape of her name pulled smooth and empty. Rory did not turn. The voice came again, a shade nearer this time, brushing the shell of her ear. “Rory.” Her wrist scar prickled under her sleeve. The pendant flashed hot in her fist, and she sucked in a breath through her teeth. The grove around her shuddered once, subtle as a blink. The stones seemed to lean a fraction closer, their black surfaces soaking up the moonlight. Rory lifted her chin and stared into the dark ahead of her, every muscle in her body braced, while the thing behind her took one slow step closer over the damp grass.
created_at"2026-03-18T11:14:53.834Z" 3/18/2026, 11:14:53 AM
model"openai/gpt-5.4-mini-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency9728
moderation_latency(null)
generation_time15443
tokens_prompt1038
tokens_completion2865
native_tokens_prompt916
native_tokens_completion2944
native_tokens_completion_images0
native_tokens_reasoning831
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"
usage0.013935
router(null)
provider_responses
0
endpoint_id"9ee065b2-3d1c-43bc-bdd7-28af3b148282"
id"resp_0e48b98680952c8b0169ba892de67881968dd105600d82f4f5"
is_byokfalse
latency282
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-1773832493-L4LOFoMXOlIUgzffdTMJ"
upstream_id"resp_0e48b98680952c8b0169ba892de67881968dd105600d82f4f5"
total_cost0.013935
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)
dialogueSentences13
tagDensity0.154
leniency0.308
rawRatio0
effectiveRatio0
97.13% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1740
totalAiIsmAdverbs1
found
0
adverb"slowly"
count1
highlights
0"slowly"
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)
54.02% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1740
totalAiIsms16
found
0
word"pulse"
count3
1
word"glint"
count1
2
word"almost alive"
count1
3
word"trembled"
count1
4
word"silence"
count1
5
word"traced"
count1
6
word"warmth"
count1
7
word"pulsed"
count1
8
word"whisper"
count3
9
word"vibrated"
count1
10
word"stomach"
count1
11
word"throbbed"
count1
highlights
0"pulse"
1"glint"
2"almost alive"
3"trembled"
4"silence"
5"traced"
6"warmth"
7"pulsed"
8"whisper"
9"vibrated"
10"stomach"
11"throbbed"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"let out a breath"
count1
1
label"stomach dropped/sank"
count1
highlights
0"let out a breath"
1"stomach dropped"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences170
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences170
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences182
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen37
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1740
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions1
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions19
wordCount1696
uniqueNames5
maxNameDensity0.77
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Rory"
discoveredNames
Richmond2
Park2
Heartstone1
Eva1
Rory13
persons
0"Eva"
1"Rory"
places
0"Richmond"
1"Park"
globalScore1
windowScore1
83.04% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences112
glossingSentenceCount3
matches
0"looked like a folded pocket of green tuck"
1"looked like the same wall of trees"
2"as if listening"
27.59% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches3
per1kWords1.724
wordCount1740
matches
0"not close enough to make out words, but it bent around a shape she almost recognised"
1"not warm now but hot"
2"not from the trees now, but from the grass near her feet"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences182
matches
0"followed that feeling"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs96
mean18.13
std21.41
cv1.181
sampleLengths
025
143
211
313
484
513
614
71
812
926
1040
116
128
1397
1427
154
167
1755
185
1971
208
211
226
233
242
2536
268
2711
2820
292
303
3180
328
336
343
3549
3610
373
3836
3910
4011
4158
422
431
4447
452
465
4753
488
495
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences170
matches
0"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs265
matches(empty)
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences182
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount304
adjectiveStacks0
stackExamples(empty)
adverbCount10
adverbRatio0.03289473684210526
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences182
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences182
mean9.56
std7.74
cv0.81
sampleLengths
025
17
22
36
47
521
611
713
819
925
109
1131
1213
1311
141
152
161
1712
1810
192
2014
2114
2216
2310
243
253
268
2737
2826
2934
3027
314
327
335
3426
356
3618
375
387
392
401
4112
4212
4311
4426
458
461
476
483
492
41.71% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.23204419889502761
totalSentences181
uniqueOpeners42
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount8
totalSentences151
matches
0"Just the drag of her"
1"Just enough to press its"
2"Only the flowers shivered in"
3"Then the faint scrape of"
4"Then came the sound of"
5"Too narrow at the shoulders."
6"Only the faint, wet whisper"
7"Then 11:12 again."
ratio0.053
71.66% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount56
totalSentences151
matches
0"She stopped at the line"
1"She had seen the grove"
2"She slipped her phone from"
3"Her own voice sounded wrong"
4"She thumbed the chain free"
5"It looked almost alive, a"
6"She had not come here"
7"She had followed that feeling"
8"She stepped between the first"
9"It cooled around her ankles,"
10"Her left wrist prickled over"
11"She could not see the"
12"She could not even make"
13"She let out a breath"
14"It came from behind her,"
15"She turned fast, heart kicking"
16"She stared into the dark"
17"Her fingers closed around the"
18"She took one step, then"
19"Her trainers sank into soft"
ratio0.371
36.16% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount128
totalSentences151
matches
0"Rory cut across the last"
1"The night held still over"
2"The Heartstone pendant rested under"
3"She stopped at the line"
4"The trunks rose from the"
5"Wildflowers crowded the ground between"
6"The sight pulled a tight"
7"She had seen the grove"
8"She slipped her phone from"
9"Her own voice sounded wrong"
10"The pendant gave a single"
11"She thumbed the chain free"
12"The gem caught a weak"
13"It looked almost alive, a"
14"She had not come here"
15"The next evening it had"
16"She had followed that feeling"
17"That had lasted until sunset,"
18"She stepped between the first"
19"The air changed at once."
ratio0.848
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences151
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences70
technicalSentenceCount4
matches
0"Wildflowers crowded the ground between them in thin, stubborn patches, white and yellow and bruised purple, bright as if daylight had missed them by hours."
1"Her left wrist prickled over the small crescent scar there, as if a cold fingertip had brushed it."
2"Yet a soft patter tapped the stone nearest her shoulder, then another, and another, as if a light drizzle had started overhead in a roofless room."
3"Rory bent without meaning to and saw the wildflowers leaning together in a thin line, their heads turned toward her as if listening."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
73.08% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences13
tagDensity0.077
leniency0.154
rawRatio1
effectiveRatio0.154
85.0347%