Run: 2026-05-10-01KR8VF9QG3HYG99AMWMSJ1P8R

Run Details

Model:
Grok 4.3
Duration:
23.7s
Cost:
$0.005719
Provider:
xAI

Model input

System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<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> 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.

Model response

AI
Aurora cut the engine at the edge of the car park and sat with her hands on the wheel, listening to the last tick of cooling metal. Beyond the low wall, Richmond Park lay black and open, the sodium lamps along the road behind her doing nothing to reach the trees. She had come because the pendant had grown warm against her collarbone the moment she stepped from the delivery van. She had felt the silver chain shift against her skin, the small stone beneath it pulsing once, like a heart remembering how to beat. She told herself it was only the residual heat of her jacket, but the warmth stayed, steady now, when she stepped out into the air. The path that led from the car park was a pale strip between shoulder-high rhododendrons. Aurora kept one hand on the strap of her bag and the other loose at her side. She walked without light; her phone was dead, the battery drained from the long evening runs between kitchens and flats. She had thought to come alone because the message on the crumpled receipt had been simple: the stones at moonrise. No signature. She had pocketed it anyway, telling herself the silence of the car would give her space to think. Now the silence felt too large. Her boots made almost no sound on the packed earth. Somewhere ahead, an owl called once and was answered by nothing. The trees on either side of the path grew thicker as she walked, their branches knitting overhead until the last wash of city light was gone. She passed the old iron fence where the park usually gave way to open grass. Tonight the fence ended at a gap she could not remember seeing in daylight. Beyond it the ground sloped gently upward toward a stand of ancient oaks whose trunks were too straight, too evenly spaced to be natural. She slowed, then stopped, because the pendant had begun to throb in time with her pulse. A faint sound reached her from the left, something like fabric brushing against bark. She turned her head. Nothing moved that she could see, only the slow sway of leaves in air so still it felt poured rather than blown. When she started walking again, the sound repeated, slightly behind her now, as though whatever had shifted had waited for her to pass. Aurora kept her stride even. She had learned in the flat above the bar that fear made ordinary things loud, and she refused to give it that advantage. The clearing opened without warning. The oaks formed a rough circle around a patch of grass where the wildflowers—ox-eye daisies, foxgloves, ragged robin—stood open though the hour was past midnight. In the centre of the circle six low stones, their edges worn smooth as water-worn river rock, rose from the ground in a broken ring. The moon, thin and high, threw just enough light to silver their tops. Aurora stepped between two of them, feeling the pendant flare against her skin like a match struck behind glass. She lowered herself to one knee and drew the chain from under her collar. The stone, no larger than her thumbnail, held a deep red light inside it, the colour of drying blood caught in a drop of water. She had worn it for three weeks and it had never done more than warm slightly in cold rooms. Now it brightened with every beat of her heart, casting a small pool of colour on the grass between her boots. She stayed still, watching it. The air had grown heavier, as though the clearing held its own pressure. She could hear her breath, shallow and quick, then slower as she forced it to steady. Somewhere in the trees a twig snapped, the sound sharp and single. She looked up but saw only darkness between the trunks. No wind moved the high branches. The next crack came from the opposite side, farther out. Then silence again, long enough that she began to think she had imagined both. When the third sound arrived it was closer, inside the circle, a soft drag across stone. Aurora rose slowly to her feet, keeping her knees loose. She turned a full circle, eyes straining for movement at the periphery of the standing stones. The pendant’s warmth had become heat now, almost painful. She pressed her fingers against the silver links and the sensation eased a fraction. A low rustle came from the grass at her right, not wind, because nothing else stirred. Something small disturbed the stems, too heavy to be an insect. She took one deliberate step backward until her shoulder blades touched the nearest oak. The bark was cool and rough through her thin shirt. She waited, counting the beats between sounds. Four seconds. Eight. Nothing. The pendant pulsed again, harder. In that moment of red light she saw a movement in the corner of her eye, a shift of darkness that resolved into a taller shape among the stones on the far side of the clearing. It did not move like an animal. It did not move like a person. It simply held its place, taller than the stones, narrower. When the light from the stone faded, the shape disappeared from her sight, but she knew it remained. She could feel its attention the way she felt the pressure of the air. She opened her mouth to call out, then closed it. The word would have been too small for this place. Instead she slid her hand along the oak bark until her fingers found a low branch. The wood was solid under her palm. She did not pull herself up. She simply kept the contact, grounding herself against the possibility that the ground itself had begun to tilt. The sound of breathing reached her—slow, measured, coming from no single direction. It rose over the grass and sank again, as though the clearing itself drew air. Aurora swallowed against the dryness in her throat. The pendant burned. She drew the chain over her head, intending to set it on the stone, and the moment the stone left contact with her skin the heat vanished. In its place came a cold so abrupt her fingers cramped around the silver. She dropped the pendant. It struck the grass with a small, dull chime. The shape between the stones stepped forward. It crossed the ring without sound, its movement all suggestion and none of the ordinary effort of weight. When it reached the pendant it stopped. Aurora could not see features, only the change in darkness. The pendant lifted from the grass of its own accord, rose to the height of a heart, and hung there, suspended on nothing she could perceive. Its red glow returned, steady, illuminating the lower edge of the shape until she saw the suggestion of limbs too long, joints set at angles that did not match human bone. She pressed her back harder against the oak. The bark bit through her shirt. Her breath came in short, controlled bursts she counted—one, two—because counting made the seconds real instead of elastic. She did not run. Running would mean turning her back on whatever watched her from the other side of the ring. She stayed, watching the pendant drift upward, listening to the breathing that now matched the rise and fall of the stone’s light. A single wildflower bent near her foot, its stem curling as though touched by an unseen hand. The daisy’s petals opened wider, revealing a darker centre that had not been there before. Aurora kept her eyes on the suspended pendant, because to look away would be to acknowledge the flower and the hand and the possibility that the clearing had decided to notice her breathing the way she had noticed its. The tension in her spine said the moment was already too long, and the moment after it would be longer still. The pendant began to rotate, a slow, deliberate turn that caught the moonlight twice before stopping again. The breathing deepened once, as though something had tasted the air, and the shape withdrew behind the stones on the far side. It did not retreat so much as thin, becoming less present yet no less there. The wildflowers stood upright again. The pendant remained where it had risen, its red glow steady now, the warmth gone from it. Aurora pushed away from the oak. She took one step toward the centre of the ring, then another. The pendant did not move away. When she reached for it the silver chain brushed her fingers, cool again, as though the heat had never occurred. She lifted it, felt its familiar weight, and slipped the chain back over her head. The stone settled against her skin with the same faint inner glow it had always carried, nothing more. She waited, counting her own heartbeats, until she was certain the breathing had stopped and the edge of her vision held nothing but ordinary darkness between the oaks. Only then did she turn and walk toward the gap in the stones that led back to the path. She did not hurry. She kept her shoulders level and her steps even, letting the pendant swing against her collarbone with each stride. Behind her the clearing remained unchanged—six stones, wildflowers open, the oak trunks still straight and evenly spaced. If anything moved among them she did not see it. She reached the path and kept walking until the first sodium lamp of the car park appeared ahead between the rhododendron leaves. Only then did she allow herself to notice that her hands, when she reached for the car door, were steady, though the pendant against her skin had begun, very faintly, to pulse again with the slow, remembered warmth of another heart.
created_at"2026-05-10T11:48:29.048Z" 5/10/2026, 11:48:29 AM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
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cancelledfalse
latency709
moderation_latency(null)
generation_time23562
tokens_prompt812
tokens_completion2336
native_tokens_prompt841
native_tokens_completion1894
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.00571905
router(null)
provider_responses
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is_byokfalse
latency389
model_permaslug"x-ai/grok-4.3-20260430"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
84.81% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1646
totalAiIsmAdverbs5
found
0
adverb"gently"
count1
1
adverb"slightly"
count2
2
adverb"slowly"
count1
3
adverb"very"
count1
highlights
0"gently"
1"slightly"
2"slowly"
3"very"
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)
45.32% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1646
totalAiIsms18
found
0
word"warmth"
count4
1
word"silence"
count3
2
word"throb"
count1
3
word"pulse"
count2
4
word"pulsed"
count1
5
word"resolved"
count1
6
word"could feel"
count1
7
word"measured"
count1
8
word"weight"
count2
9
word"tension"
count1
10
word"familiar"
count1
highlights
0"warmth"
1"silence"
2"throb"
3"pulse"
4"pulsed"
5"resolved"
6"could feel"
7"measured"
8"weight"
9"tension"
10"familiar"
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
narrationSentences111
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences111
filterMatches(empty)
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences111
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen41
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1639
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
totalMentions11
wordCount1639
uniqueNames3
maxNameDensity0.55
worstName"Aurora"
maxWindowNameDensity1
worstWindowName"Aurora"
discoveredNames
Richmond1
Park1
Aurora9
persons
0"Aurora"
places
0"Richmond"
1"Park"
globalScore1
windowScore1
98.45% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences97
glossingSentenceCount2
matches
0"something like fabric brushing against bark"
1"appeared ahead between the rhododendron leaves"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1639
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences111
matches
0"moved that she"
1"notice that her"
15.63% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs18
mean91.06
std18.64
cv0.205
sampleLengths
0120
198
2116
391
487
579
686
765
862
997
1067
1192
1299
1375
1492
1576
16105
17132
98.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences111
matches
0"was answered"
1"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs252
matches(empty)
14.16% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount1
flaggedSentences5
totalSentences111
ratio0.045
matches
0"She walked without light; her phone was dead, the battery drained from the long evening runs between kitchens and flats."
1"The oaks formed a rough circle around a patch of grass where the wildflowers—ox-eye daisies, foxgloves, ragged robin—stood open though the hour was past midnight."
2"The sound of breathing reached her—slow, measured, coming from no single direction."
3"Her breath came in short, controlled bursts she counted—one, two—because counting made the seconds real instead of elastic."
4"Behind her the clearing remained unchanged—six stones, wildflowers open, the oak trunks still straight and evenly spaced."
89.71% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1648
adjectiveStacks1
stackExamples
0"same faint inner glow"
adverbCount74
adverbRatio0.044902912621359224
lyAdverbCount16
lyAdverbRatio0.009708737864077669
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences111
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences111
mean14.77
std8.03
cv0.544
sampleLengths
027
124
220
324
425
515
617
720
820
92
1018
116
1210
1311
1426
1515
1614
1724
1816
1914
204
2122
2223
235
2423
255
2625
2725
2813
2919
3014
3125
3219
3321
345
3513
3616
3712
3810
396
4010
4114
4216
4310
4416
459
4614
4716
4811
4914
39.19% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.21621621621621623
totalSentences111
uniqueOpeners24
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount6
totalSentences107
matches
0"Somewhere ahead, an owl called"
1"Somewhere in the trees a"
2"Then silence again, long enough"
3"Instead she slid her hand"
4"Only then did she turn"
5"Only then did she allow"
ratio0.056
55.51% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount44
totalSentences107
matches
0"She had come because the"
1"She had felt the silver"
2"She told herself it was"
3"She walked without light; her"
4"She had thought to come"
5"She had pocketed it anyway,"
6"Her boots made almost no"
7"She passed the old iron"
8"She slowed, then stopped, because"
9"She turned her head."
10"She had learned in the"
11"She lowered herself to one"
12"She had worn it for"
13"She stayed still, watching it."
14"She could hear her breath,"
15"She looked up but saw"
16"She turned a full circle,"
17"She pressed her fingers against"
18"She took one deliberate step"
19"She waited, counting the beats"
ratio0.411
58.13% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount86
totalSentences107
matches
0"Aurora cut the engine at"
1"She had come because the"
2"She had felt the silver"
3"She told herself it was"
4"The path that led from"
5"Aurora kept one hand on"
6"She walked without light; her"
7"She had thought to come"
8"She had pocketed it anyway,"
9"Her boots made almost no"
10"The trees on either side"
11"She passed the old iron"
12"Tonight the fence ended at"
13"She slowed, then stopped, because"
14"A faint sound reached her"
15"She turned her head."
16"Nothing moved that she could"
17"Aurora kept her stride even."
18"She had learned in the"
19"The clearing opened without warning."
ratio0.804
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences107
matches
0"Now the silence felt too"
1"Now it brightened with every"
2"If anything moved among them"
ratio0.028
81.13% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences81
technicalSentenceCount7
matches
0"The path that led from the car park was a pale strip between shoulder-high rhododendrons."
1"In that moment of red light she saw a movement in the corner of her eye, a shift of darkness that resolved into a taller shape among the stones on the far side …"
2"It rose over the grass and sank again, as though the clearing itself drew air."
3"Its red glow returned, steady, illuminating the lower edge of the shape until she saw the suggestion of limbs too long, joints set at angles that did not match …"
4"A single wildflower bent near her foot, its stem curling as though touched by an unseen hand."
5"The pendant began to rotate, a slow, deliberate turn that caught the moonlight twice before stopping again."
6"The breathing deepened once, as though something had tasted the air, and the shape withdrew behind the stones on the far side."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
86.0328%