Run: 2026-03-06-01KK1HVBRR2BDF7NZXW26N3KFP

Run Details

Model:
GPT-5.4
Duration:
1m 8s
Cost:
$0.035470
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 Carter stepped between the ancient oak stones and felt the night change shape around her. Richmond Park had still breathed behind her a moment earlier. Damp grass. Distant traffic. A fox barking somewhere across the dark. The ordinary city edge. Then she crossed the boundary and the air lost its weight, as if the grove had drawn a skin over the world and shut out everything that belonged to London. She stopped. The clearing lay ahead in a wash of pallid moonlight. Wildflowers spread across the ground in impossible colour for the hour—white foxgloves, violet bells, little gold faces turned up as if noon sat above them instead of a cold moon. The trees around the clearing stood too close together. Their trunks bent inward, watching. Their leaves held still. Not one stirred. Rory slid a hand inside her jacket and closed her fingers around the Heartstone pendant. Through her shirt, the gem pressed a small point of warmth into her skin. “Brilliant,” she muttered. “Warm already.” Her own voice came back to her wrong. Not an echo. Thinner. Like someone farther into the trees had repeated her words under their breath. She looked over her shoulder at the standing stones. They remained where they should have been, grey and old, though the gap between two of them seemed narrower than before. She watched it for a count of five. Nothing moved. Still, her shoulders tightened. She took out her phone. No signal. The screen showed 11:42 pm. “Of course.” She shoved it back into her pocket and stepped into the clearing. She had not come here on a whim. Three nights running, the pendant had heated against her chest hard enough to wake her. Tonight it had gone beyond warmth. It had throbbed like a second pulse, each beat dragging her mind toward one place with the insistence of a hooked line. Richmond. The grove. She knew enough now not to ignore objects with opinions. She crouched among the flowers and pulled the pendant free of her collar. Deep crimson caught the moonlight and answered with its own dim glow. Not bright. Not dramatic. A coal under ash. “All right,” she said. “What do you want me to find?” The stone warmed further. Ahead, near the centre of the clearing, a ring of mushrooms circled a patch of bare earth. She had seen the place before in daylight and never noticed that ring. Tonight it stood out with rude precision, each cap pale as knuckle bone. Rory rose and went to it. The ground inside the circle looked undisturbed, though the soil had a strange dark sheen, as if rain had touched that patch alone. She crouched again and held the pendant above it. Warmth climbed into her fingers. The flowers behind her rustled. She turned at once. Nothing. The clearing lay open and silver. The trees held their line. The flowers nodded in no wind. Rory stayed crouched for a moment longer, listening with all the patience fear forced upon her. Somewhere to the left came a small wet click, the sort a tongue made against teeth. Her mouth dried. “Not funny.” Silence answered. She stood. Slowly. The crescent scar on her left wrist flashed white in the moonlight as she tucked the pendant back against her chest. Her skin had gone tight all over. A deer, she thought. A fox. A badger in the undergrowth. Then she noticed there was no undergrowth. Not near the tree line. The ground beneath the oaks was clean, bare, swept clear as a chapel floor. Another sound came, this time from the right. Three light taps against wood. Rory pivoted. Nothing there either. Just trunks. Branches. A stretch of darkness between two oaks that looked deeper than the rest. She narrowed her eyes. At the edge of that dark gap, something pale slid out of sight. Not fast. Not like an animal bolting. It withdrew with care, as if it had realised she had caught it watching and preferred not to be rude about it. Every muscle in her back locked. “Nope,” she whispered. She took one step backwards toward the standing stones. The pendant burned against her breastbone. The mushroom ring in front of her had changed. She could have sworn one cap had been split along the top. Now it stood whole. Another had leaned east; now it leaned toward her. Twelve pale heads around black earth, each one tilted in her direction. Rory looked down, jaw set. “I don’t know the rules here,” she said. “That doesn’t mean I’ll play.” The words steadied her for half a breath. Then the clearing answered with a little laugh. It came from behind her left shoulder. A child’s laugh, quick and breathy, cut short halfway through. Rory spun so sharply her boot skidded in the grass. Nothing. Her pulse pounded in her throat. She scanned the trees, the flowers, the open stretch near the stones. The laugh had been close. Close enough that if someone had stood there, she should have felt their breath. “Show yourself.” The oak leaves overhead began to whisper. Only those overhead. Nowhere else. No wind touched her face, no flower bent, but above her the leaves rubbed together in a dry hush like hands washing dirt from skin. She backed away another pace. The gap between the standing stones had narrowed again. This time she knew she had not imagined it. Two of the stones leaned inward by inches, enough to turn the clean exit into a cramped slit of shadow. Rory stared at them, then at the grove around her. “Right. So that’s the game.” Something moved across the far side of the clearing. She caught it at the corner of her eye—a figure slipping between trunks. Tall. Too tall. Limbs narrow as saplings. It crossed one gap, then the next, keeping the trees between itself and the moon. No footfall. No snapped twig. Just the shape of motion where none should have been. Rory turned to follow it and found another shape standing near the opposite edge. This one was smaller. Human-sized, almost. It stood among the flowers with its head bent, black hair hanging over its face. Her stomach dropped. For one blind second she thought she was looking at her own reflection from several yards away. Same height. Same jacket. Same shape to the shoulders. The figure raised one hand. Moonlight caught the pale inside of a wrist. A small crescent scar gleamed there. Rory’s breath snagged. The figure lifted its head. There was no face behind the curtain of hair. Only darkness, smooth and deep, as if someone had pressed a hole into the shape of a woman. Rory stumbled back. The thing took one step forward. Not walking. Sliding, almost. The flowers under its boots remained still. “No.” Her hand flew to the pendant. Heat flared hard enough to sting. Crimson light leaked through her fingers and striped her knuckles. The faceless figure stopped. All at once the clearing filled with tiny sounds. Clicks. Breaths. The creak of bark under shifting weight. Rory turned in place and saw shapes at the edge of the trees all around her now. Too many to count. Some low to the ground. Some high among the trunks. Pale lengths of limb. A shine like wet eyes. A cluster of white fingers curled around bark and withdrew when she looked straight at them. The child’s laugh came again, from directly above. She looked up. A face hung upside down from a branch over her head. It might once have belonged to a deer. Long muzzle, dark nose, ears pricked. Then the mouth split wider than any animal’s should, all the way back into the fur, exposing small square teeth packed in neat human rows. Its eyes were milky and fixed on her with hungry delight. Rory jerked back with a strangled breath. The creature unfolded from the branch without sound, too many joints opening in the wrong order, and dropped behind the mushroom ring. It landed lightly on four long arms and legs, its back arched, antlers tangled with blossom stems. The faceless copy stood beyond it. The things in the trees watched. Rory gripped the pendant so hard the chain bit into her fingers. “Portal,” she whispered to it. “You wake up near portals. That’s what you do. So where is it?” The Heartstone throbbed once. Hard. Not toward the mushroom ring this time. Down. She looked at the bare patch inside the ring. Black earth. Wet sheen. No, not wet. Movement. A surface under a thin skin of soil. Something there shifted with the slow heavy roll of deep water. The deer-faced thing crept one hand closer to the ring and paused, as if the circle marked a line it would not cross. The faceless copy tilted its head. Rory took the hint she had not wanted. She stepped to the ring’s edge. The soil inside trembled. A red glimmer answered the pendant from below, faint as an ember buried in ash. “Of course it’s down there.” The copy raised both hands now, palms out, in a mockery of calm. Then it spoke with Rory’s own voice. “Don’t leave me here.” The sound punched through her ribs. Every hair on her arms rose. The voice came again, closer though the figure had not moved. “Rory.” Her jaw tightened until it hurt. “Not mine,” she said. Something brushed the back of her neck. She wheeled around. No one stood there. Yet the skin at her nape stayed cold, as if fingers had just lifted away. The deer-faced thing had inched forward again. Its human teeth clicked softly, eager. Behind it, the tree-line shapes shifted as one, a crowd leaning in. Rory dropped to one knee inside the mushroom ring and drove her free hand into the bare earth. The surface gave at once. No packed soil. No roots. Her arm plunged through cold that felt neither like mud nor water but the slick inside of a throat. She bit back a cry and reached deeper. The pendant blazed. Crimson light spilled over the clearing, staining the flowers, the stones, the white mushrooms. Around her the watching things recoiled, not far, only enough to show they hated it. Her fingers struck something hard. Stone? Metal? No time to tell. The faceless copy lunged. So did the creature with the deer skull grin, its limbs unfolding in a rush, claws cutting furrows through the flowers as it sprang for the ring. Rory seized the object below and wrenched upward.
created_at"2026-03-06T12:27:08.447Z" 3/6/2026, 12:27:08 PM
model"openai/gpt-5.4-20260305"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency418
moderation_latency(null)
generation_time68075
tokens_prompt1038
tokens_completion2731
native_tokens_prompt916
native_tokens_completion2212
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"
usage0.03547
router(null)
provider_responses
0
endpoint_id"9ff5625c-403f-4d7f-b895-58ac7295062c"
id"resp_0a42f67dc3f67e710169aac81c8168819785c2bd72c2185927"
is_byokfalse
latency134
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-1772800028-XOwWFTmbf8TnSADq3Mdl"
upstream_id"resp_0a42f67dc3f67e710169aac81c8168819785c2bd72c2185927"
total_cost0.03547
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
totalTags6
adverbTagCount0
adverbTags(empty)
dialogueSentences18
tagDensity0.333
leniency0.667
rawRatio0
effectiveRatio0
88.67% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1766
totalAiIsmAdverbs4
found
0
adverb"slowly"
count1
1
adverb"sharply"
count1
2
adverb"lightly"
count1
3
adverb"softly"
count1
highlights
0"slowly"
1"sharply"
2"lightly"
3"softly"
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)
54.70% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1766
totalAiIsms16
found
0
word"weight"
count2
1
word"warmth"
count3
2
word"echo"
count1
3
word"throbbed"
count2
4
word"pulse"
count2
5
word"silence"
count1
6
word"scanned"
count1
7
word"whisper"
count1
8
word"footfall"
count1
9
word"stomach"
count1
10
word"trembled"
count1
highlights
0"weight"
1"warmth"
2"echo"
3"throbbed"
4"pulse"
5"silence"
6"scanned"
7"whisper"
8"footfall"
9"stomach"
10"trembled"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"stomach dropped/sank"
count1
highlights
0"stomach dropped"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences219
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences219
filterMatches(empty)
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences231
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen31
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1764
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions22
wordCount1702
uniqueNames5
maxNameDensity1
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
Carter1
Park1
London1
Heartstone2
Rory17
persons
0"Carter"
1"Heartstone"
2"Rory"
places
0"Park"
1"London"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences120
glossingSentenceCount1
matches
0"seemed narrower than before"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.567
wordCount1764
matches
0"neither like mud nor"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences231
matches
0"noticed that ring"
1"touched that patch"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs116
mean15.21
std14.69
cv0.966
sampleLengths
016
155
22
361
429
55
625
79
835
912
102
1112
1264
1333
1411
154
1643
176
1832
195
205
214
2218
2332
243
252
262
2731
2811
2926
3013
312
3219
334
3413
3529
366
373
3815
399
4037
415
4213
438
448
4517
4610
471
4837
492
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount0
totalSentences219
matches(empty)
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs253
matches
0"was looking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount1
flaggedSentences3
totalSentences231
ratio0.013
matches
0"Wildflowers spread across the ground in impossible colour for the hour—white foxgloves, violet bells, little gold faces turned up as if noon sat above them instead of a cold moon."
1"Another had leaned east; now it leaned toward her."
2"She caught it at the corner of her eye—a figure slipping between trunks."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1708
adjectiveStacks0
stackExamples(empty)
adverbCount60
adverbRatio0.0351288056206089
lyAdverbCount8
lyAdverbRatio0.00468384074941452
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences231
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences231
mean7.64
std5.93
cv0.777
sampleLengths
016
110
22
32
47
54
630
72
810
930
109
115
124
133
1415
1514
163
172
188
193
201
2113
229
2321
248
252
264
275
282
295
302
3112
328
3315
346
3522
361
372
3810
3913
4012
412
422
434
444
457
464
4717
4813
4913
52.09% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats18
diversityRatio0.3593073593073593
totalSentences231
uniqueOpeners83
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount10
totalSentences175
matches
0"Then she crossed the boundary"
1"Somewhere to the left came"
2"Then she noticed there was"
3"Then the clearing answered with"
4"Only those overhead."
5"Just the shape of motion"
6"Only darkness, smooth and deep,"
7"Too many to count."
8"Then the mouth split wider"
9"Then it spoke with Rory’s"
ratio0.057
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount43
totalSentences175
matches
0"Their trunks bent inward, watching."
1"Their leaves held still."
2"Her own voice came back"
3"She looked over her shoulder"
4"They remained where they should"
5"She watched it for a"
6"She took out her phone."
7"She shoved it back into"
8"She had not come here"
9"It had throbbed like a"
10"She knew enough now not"
11"She crouched among the flowers"
12"She had seen the place"
13"She crouched again and held"
14"She turned at once."
15"Her mouth dried."
16"Her skin had gone tight"
17"She narrowed her eyes."
18"It withdrew with care, as"
19"She took one step backwards"
ratio0.246
82.86% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount132
totalSentences175
matches
0"Aurora Carter stepped between the"
1"Richmond Park had still breathed"
2"A fox barking somewhere across"
3"The ordinary city edge."
4"The clearing lay ahead in"
5"Wildflowers spread across the ground"
6"The trees around the clearing"
7"Their trunks bent inward, watching."
8"Their leaves held still."
9"Rory slid a hand inside"
10"Her own voice came back"
11"She looked over her shoulder"
12"They remained where they should"
13"She watched it for a"
14"She took out her phone."
15"The screen showed 11:42 pm."
16"She shoved it back into"
17"She had not come here"
18"Tonight it had gone beyond"
19"It had throbbed like a"
ratio0.754
28.57% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences175
matches
0"Now it stood whole."
ratio0.006
97.51% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences63
technicalSentenceCount4
matches
0"Wildflowers spread across the ground in impossible colour for the hour—white foxgloves, violet bells, little gold faces turned up as if noon sat above them inst…"
1"The ground inside the circle looked undisturbed, though the soil had a strange dark sheen, as if rain had touched that patch alone."
2"The deer-faced thing crept one hand closer to the ring and paused, as if the circle marked a line it would not cross."
3"So did the creature with the deer skull grin, its limbs unfolding in a rush, claws cutting furrows through the flowers as it sprang for the ring."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount3
fancyTags
0"she muttered (mutter)"
1"she whispered (whisper)"
2"she whispered (whisper)"
dialogueSentences18
tagDensity0.333
leniency0.667
rawRatio0.5
effectiveRatio0.333
90.1467%