Run: 2026-05-10-01KR8XDQQ89PZ95NF44J4RBDVT

Run Details

Model:
Grok 4.3
Duration:
23.1s
Cost:
$0.005459
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 crossed the last stretch of bracken and the world narrowed to the ring of oaks. They rose like black teeth under a moon that kept slipping behind cloud, their branches laced so tightly above the clearing that the sky became a single pale eye. She had come because the pendant had grown warm against her collarbone for the third night in a row, and because the bar receipts from Silas had begun to smell faintly of wet stone and iron. The Grove answered questions in its own slow language; she needed to know whether the warmth meant an entrance was open or merely waiting. She set her torch down on the edge of the nearest stone, keeping the beam low so the light would not carry far. The crescent scar on her wrist itched. The pendant rested just under her shirt, a coin of heat against her skin. She had left her flat after midnight, walked the empty footpaths through Richmond Park with only the occasional car sighing along the distant road. Now the park felt farther away than Cardiff. The stones themselves looked wrong in the dark, their lichen dark and slick as if they had been freshly turned. At first she heard nothing beyond the usual night insects and the faint creak of cooling wood. When she stepped fully into the circle the sounds changed. The insects stopped. In their place came a low, breath-like rustle that seemed to move in a slow ring around the perimeter, never quite arriving at any single point. Aurora turned her head, once, twice, trying to catch the source, but the sound always resolved just behind her hearing. She forced herself to stand still, to breathe through her nose. The warmth of the pendant was steady. A single leaf drifted down from the canopy. It took a strangely long time to reach the ground, and when it did it landed not with the dry flick of autumn but with the soft, wet sound of something put down gently. The leaf was green. She had never seen green leaves here after October. She reached into her jacket for the small notebook she carried and wrote the time: 01:17. The page looked too white under the torch. She clicked it off. Darkness poured back in, thicker than before. The pendant’s pulse traveled through fabric into the skin just above her sternum, slow and uneven, as if it were matching someone else’s heart farther away. Aurora walked the inner edge of the stones, counting them aloud under her breath. Twelve. Always twelve. She stopped at the gap where the path from the park entered, the one that should have shown her the way she came. The bracken beyond the gap looked darker than the bracken on any other side, and the path itself appeared to continue forward rather than back. She stepped once toward it, then stopped. The wrongness was there, patient, waiting to be acknowledged. A low, single note rose somewhere beyond the trees. Not wind through branches; wind made a mess of sound. This was clean and sustained, like breath drawn across the rim of something smaller than a human throat. It lasted seven seconds, then nothing. She counted the silence that followed. One hundred and four seconds. Then the note again, from directly opposite where she stood. The pendant answered with a sharp flicker of heat. She pressed her palm to the warm spot. “All right,” she said quietly. The words left her mouth and did not return. Something moved. Not a shape, exactly; the absence of stillness at the left edge of her vision. She turned her head. The space between two stones appeared deeper than it should, the darkness there folding inward rather than receding. A moment later the same impression came from the right, as if the clearing were slowly deciding which side of itself to show her. She stayed where she was, feet planted, shoulders loose. Tension would only feed whatever watched. The air inside the ring grew colder in patches. She felt one brush the knuckles of her left hand, like a mouth breathing out. She closed the hand into a fist and held it against her thigh. Another patch passed across her ankles. She felt the fine hairs on her neck rise, then settle, then rise again, each time in a different place. She tried the path again. This time she carried the torch but kept the beam off until she reached the gap. When she switched it on, the light showed only more oaks, the same ring repeated, the stones sliding into one another as if the circle had no beginning. Behind her the original gap had closed. She could still see the wall of trees, but now there was no path cutting through them. She turned the torch off and waited for her eyes to adjust. In the waiting she heard another sound: a single footstep inside the ring, too soft to place distance on. It had come from near the center, where nothing grew. She did not turn. The pendant gave a long, slow throb that felt like an answer rather than a warning. Aurora lowered herself until she sat cross-legged on the leaf-litter floor. The cold patches continued their circuit. One brushed the small crescent scar and stayed there a moment longer than the others, cool as river stone. She thought of Evan’s hand closing over that same wrist the night she left, the bruise that had faded but left the thin white line. The scar itched harder. The single note sounded again, this time from directly above. She looked up. The branches were still; nothing moved among them. The sound persisted six seconds, then ceased. The dark inside the circle seemed to have thickened, as though the air itself had begun to occupy more space. She reached out with one hand and traced the edge of the nearest stone. It was warm where her fingers touched, colder an inch away. She stood again, slowly. The pendant’s heat had become almost painful, a coin of live coal. She pulled the chain free and let the stone rest on her open palm. It pulsed once, twice, then settled into a steady, contained glow that lit only the skin around it. The crimson heart inside the gem caught the light it made and threw it back in thin, wavering threads. Beyond the ring something large and slow shifted position. She heard no crack of branches, no snap of undergrowth; only the sense that a great weight had adjusted itself against the earth. The movement was not coming closer. It was turning to face the circle. Aurora closed her fingers around the pendant. The warmth continued, now duller, as if the stone were listening too. She took one measured step toward the center of the ring and stopped. The single footstep sounded again, matching the distance she had just covered. She did not move again. The cold patches began to settle. They gathered along the inner faces of the stones, each one a darker band at the base. The air inside the circle grew denser, the way a room grows denser before a storm, though no wind stirred. The insects had not returned. Somewhere far outside the circle a fox barked once and was answered by silence. She stayed in place, one hand tight around the pendant, the other loose at her side. The pendant’s faint inner light reflected off the twelve faces of the stones, turning each lichen patch into a small, watching eye. She did not look directly at any of them. Instead she focused on the small space of ground between her boots and listened to the ring breathe around her. Minutes passed without measure. The wrongness did not lessen, but it did not press forward either. It held itself at the exact distance it had chosen, patient as the stones. Aurora thought of the bar upstairs, of the flat that waited, of the walk back through Richmond Park under street lamps that made ordinary shadows. None of those places felt reachable yet. She lifted the pendant higher so its faint light reached the center of the ring. Nothing appeared there except the same leaf-litter and the faint indentation where her boot had pressed earlier. When she lowered her hand the light went with it, and the circle seemed to draw closer around the small red glow. The single note rose once more, this time from directly behind her. She did not turn. The sound held, then faded. Something that might have been a second footstep followed, closer than before. She kept her breathing even. The pendant answered with a long, slow pulse that traveled up her arm and settled behind her eyes. Aurora remained still, the circle complete around her, the night inside the oaks holding its listening shape. The path she had entered by stayed closed. The stones waited. The pendant warmed and cooled in the rhythm it had chosen. She waited with it, alone, for whatever had turned to face the ring to decide whether it would cross.
created_at"2026-05-10T12:22:34.991Z" 5/10/2026, 12:22:34 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency410
moderation_latency(null)
generation_time22888
tokens_prompt812
tokens_completion2193
native_tokens_prompt841
native_tokens_completion1790
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"
usage0.00545905
router(null)
provider_responses
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endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"909dac61-ba58-90d5-a13e-f42a4552d745"
is_byokfalse
latency95
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
status200
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http_referer(null)
request_id"req-1778415754-5dG4rbxA6g415QdrZwJz"
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api_type"completions"
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total_cost0.00545905
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Evaluation details

Result Evaluator Details Meta Data
0.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags1
adverbTagCount1
adverbTags
0"she said quietly [quietly]"
dialogueSentences1
tagDensity1
leniency1
rawRatio1
effectiveRatio1
86.84% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1520
totalAiIsmAdverbs4
found
0
adverb"tightly"
count1
1
adverb"gently"
count1
2
adverb"slowly"
count2
highlights
0"tightly"
1"gently"
2"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)
47.37% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1520
totalAiIsms16
found
0
word"warmth"
count3
1
word"resolved"
count1
2
word"pulse"
count2
3
word"silence"
count2
4
word"flicker"
count1
5
word"tension"
count1
6
word"throb"
count1
7
word"traced"
count1
8
word"pulsed"
count1
9
word"wavering"
count1
10
word"weight"
count1
11
word"measured"
count1
highlights
0"warmth"
1"resolved"
2"pulse"
3"silence"
4"flicker"
5"tension"
6"throb"
7"traced"
8"pulsed"
9"wavering"
10"weight"
11"measured"
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
narrationSentences120
matches(empty)
83.33% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount5
narrationSentences120
filterMatches(empty)
hedgeMatches
0"seemed to"
1"appeared to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences120
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen36
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1520
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
totalMentions16
wordCount1518
uniqueNames8
maxNameDensity0.46
worstName"Aurora"
maxWindowNameDensity1
worstWindowName"Aurora"
discoveredNames
Silas1
Grove1
Richmond2
Park2
Cardiff1
October1
Evan1
Aurora7
persons
0"Silas"
1"Grove"
2"Evan"
3"Aurora"
places
0"Richmond"
1"Park"
2"Cardiff"
globalScore1
windowScore1
99.49% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences99
glossingSentenceCount2
matches
0"appeared deeper than it should, the darkness there folding inward rather than receding"
1"felt like an answer rather than a warni"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.658
wordCount1520
matches
0"not with the dry flick of autumn but with the soft, wet sound of something put down gently"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences120
matches
0"clearing that the"
35.14% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs23
mean66.09
std18.04
cv0.273
sampleLengths
0105
196
294
355
461
581
673
722
878
963
1085
1149
1265
1373
1467
1545
1649
1762
1867
1962
2054
2156
2258
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences120
matches
0"was answered"
62.83% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount5
totalVerbs243
matches
0"were matching"
1"were slowly deciding"
2"was not coming"
3"was turning"
4"were listening"
23.81% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount5
flaggedSentences5
totalSentences120
ratio0.042
matches
0"The Grove answered questions in its own slow language; she needed to know whether the warmth meant an entrance was open or merely waiting."
1"Not wind through branches; wind made a mess of sound."
2"Not a shape, exactly; the absence of stillness at the left edge of her vision."
3"The branches were still; nothing moved among them."
4"She heard no crack of branches, no snap of undergrowth; only the sense that a great weight had adjusted itself against the earth."
92.43% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1521
adjectiveStacks0
stackExamples(empty)
adverbCount74
adverbRatio0.04865220249835635
lyAdverbCount20
lyAdverbRatio0.013149243918474688
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences120
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences120
mean12.67
std7.37
cv0.582
sampleLengths
016
129
236
324
423
57
614
724
88
920
1017
1110
123
1326
1420
1511
167
178
1834
194
209
2116
228
234
247
2526
2614
271
282
2923
3025
317
329
339
3410
3518
366
376
385
3910
409
418
425
439
442
4515
464
4718
4824
499
40.83% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.23333333333333334
totalSentences120
uniqueOpeners28
85.47% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences117
matches
0"Then the note again, from"
1"Somewhere far outside the circle"
2"Instead she focused on the"
ratio0.026
69.57% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount44
totalSentences117
matches
0"They rose like black teeth"
1"She had come because the"
2"She set her torch down"
3"She had left her flat"
4"She forced herself to stand"
5"It took a strangely long"
6"She had never seen green"
7"She reached into her jacket"
8"She clicked it off."
9"She stopped at the gap"
10"She stepped once toward it,"
11"It lasted seven seconds, then"
12"She counted the silence that"
13"She pressed her palm to"
14"she said quietly"
15"She turned her head."
16"She stayed where she was,"
17"She felt one brush the"
18"She closed the hand into"
19"She felt the fine hairs"
ratio0.376
28.38% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount101
totalSentences117
matches
0"Aurora crossed the last stretch"
1"They rose like black teeth"
2"She had come because the"
3"The Grove answered questions in"
4"She set her torch down"
5"The crescent scar on her"
6"The pendant rested just under"
7"She had left her flat"
8"The stones themselves looked wrong"
9"The insects stopped."
10"Aurora turned her head, once,"
11"She forced herself to stand"
12"The warmth of the pendant"
13"A single leaf drifted down"
14"It took a strangely long"
15"The leaf was green."
16"She had never seen green"
17"She reached into her jacket"
18"The page looked too white"
19"She clicked it off."
ratio0.863
42.74% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences117
matches
0"Now the park felt farther"
ratio0.009
69.33% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences68
technicalSentenceCount7
matches
0"They rose like black teeth under a moon that kept slipping behind cloud, their branches laced so tightly above the clearing that the sky became a single pale ey…"
1"The pendant’s pulse traveled through fabric into the skin just above her sternum, slow and uneven, as if it were matching someone else’s heart farther away."
2"A moment later the same impression came from the right, as if the clearing were slowly deciding which side of itself to show her."
3"She thought of Evan’s hand closing over that same wrist the night she left, the bruise that had faded but left the thin white line."
4"The warmth continued, now duller, as if the stone were listening too."
5"Aurora thought of the bar upstairs, of the flat that waited, of the walk back through Richmond Park under street lamps that made ordinary shadows."
6"The pendant answered with a long, slow pulse that traveled up her arm and settled behind her eyes."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
78.9186%