Run: 2026-09-23-01M36NY9ZYHX0TYD4VA32VB0ZB

Run Details

Duration:
38.2s
Cost:
$0.001301
Provider:
OpenAI

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
The pendant warmed against Rory’s throat before she reached the stones. She stopped beneath the oaks and pinched the crimson gem through her coat. It was no bigger than her thumbnail, its silver chain cold against her fingers. A dull red light stirred inside it, then faded. “Fine,” she whispered. “I’m here.” Richmond Park lay behind her, broad and black beneath the night sky. The path she’d followed had vanished into the grass. She had been careful not to lose sight of the city’s distant glow, but even that seemed thinner now, smeared low across the horizon. The ancient standing stones stood ahead in a crooked line, their lichen-dark surfaces almost invisible between the trees. Rory had come because the pendant had started pulsing on the bus. Not a steady beat. A warning, or an invitation—she hadn’t decided which. She’d got off at the nearest stop and walked until the warmth in the gem sharpened into something she could feel through her clothes. She’d expected to find a portal, or the signs of one. Something she could look at and name. She hadn’t expected the cold. The night wasn’t particularly cold. Her breath didn’t show. But the air beyond the stones had the still, sealed quality of a room whose door had been shut for years. She pulled out her phone. No signal. The time read 11:48. Rory put it away and studied the stones. They were old, but not arranged in any pattern she recognised. One stood at a slight angle, its top split down the middle. Another leaned toward it, as if listening. The gap between them was wide enough to walk through. Beyond, the clearing should have been visible. She knew there was a grove here—or had heard enough to believe there was. But the trees crowded together past the stones, branches interlaced so thickly they made a wall. The pendant gave another pulse. Warmth pressed into her skin. She stepped between the stones. The air changed at once. Not colder, exactly. Closer. She felt it settle over her shoulders, as if she’d walked under a low ceiling. The park’s distant noise—traffic, a siren, the soft hiss of the city—fell away. In its place came the whisper of leaves. Rory turned. The gap between the stones showed the trees behind her, then the faint pale strip of sky above them. The view looked normal. Still, the silence had weight. She took a torch from her bag and switched it on. The beam skimmed over trunks, brush, and a scatter of white flowers at her feet. Wildflowers. In November. They bloomed thickly in the grass, white and yellow and bruised purple, all of them fresh as if rain had washed them that morning. Rory crouched and touched one. Its petals were soft and cool. A drop of dew shone at the centre. “Right,” she murmured. She straightened. Beyond the first few trees, the grove opened around her. It was a small clearing, ringed by ancient oaks. Moonlight lay in a clean silver pool over the grass, though clouds covered the moon. More flowers crowded the edges. No path entered or left. The standing stones made a broken boundary at the far side, or perhaps they had been waiting there all along. Rory couldn’t tell. She had the unpleasant sense that the clearing had shifted while she crossed it. She checked her phone again. 11:48. The pendant’s inner light strengthened, a dim ember under the red surface. Rory faced the centre of the grove and waited. For something to happen. A breeze passed through the clearing. The flowers bent in one direction, all at once, as if something large had moved through them. Rory watched the wave travel across the grass. It reached the far stones and stopped. A twig snapped behind her. She turned sharply. The torch beam found only trees and shadow. She held still, listening. No footsteps followed. No rustle, no settling branch. She waited until her shoulders began to ache, then forced herself to turn back. She had come for a reason. The pendant had led her here. The portal, if there was one, would be near. She needed to find it, decide whether it was dangerous, and leave. She didn’t need to let every strange noise turn into a story. The thought steadied her. Rory walked the perimeter, moving slowly, keeping the torch low so its beam wouldn’t blind her. The flowers kept blooming at her feet. Their colours seemed brighter in the torchlight than they should have been. Near the stones, the grass grew short and silver with dew. She saw no footprints. The pendant pulsed again. This time the warmth hurt. Rory caught it in her palm. The gem’s glow showed through her fingers, red light leaking between them. She looked toward the far side of the clearing. There, between two oaks, the darkness looked deeper than it did elsewhere—not black, but strangely flat. Like a doorway painted onto the night. The air around it trembled. Rory took one cautious step nearer. The pendant beat against her hand. Something moved at the edge of her vision, low to the ground. She snapped the torch toward it. Nothing. Only flowers, stems nodding gently. She waited. The trembling dark held steady. A sound came from behind her. A soft scrape, stone against stone. Rory whipped around. One of the standing stones had shifted—or seemed to have shifted. The split-topped stone now leaned a little farther toward its neighbour. She looked at the ground for a mark, some sign the earth had moved. The grass below it was undisturbed. Her breath came faster. She counted to five, then to ten. The stones did not move again. When she faced the dark gap between the oaks, it was gone. There was only a tangle of trunks. “Enough,” she said. Her voice sounded too loud. It didn’t echo. She checked the phone. The screen lit her palm. 11:48. That wasn’t possible. She’d been in the clearing long enough for the battery to drain a little, at least. She swiped up and opened the clock again, as if the first reading might be a mistake. Same time. The seconds didn’t change. Rory looked up. In the grove, the moonlight had shifted. The silver patch on the grass lay several feet to the left. A small sound came from the flowers near her boot. A crisp, delicate click. She stepped back. A white petal had closed around itself, folding inward like a hand. Another clicked. Then another. The flowers were closing all around her. Not quickly. Not in a rush. One by one, their petals drew tight, each click small and dry beneath the trees. Rory backed toward the standing stones. The pendant’s glow dimmed, but the heat remained, trapped against her palm. Something exhaled in the woods. It was quiet enough that she almost missed it. A long, patient breath. Leaves shivered overhead. Rory stopped. The breathing came again, closer. She turned toward the tree line. The torch swept over bark, branches, shadow. Nothing stood there. No eyes, no outline. But the silence had changed. It seemed to be listening to her now. Rory’s mind started offering explanations. A deer. A badger. Wind moving through hollow branches. She seized each one and found it wanting. Deer didn’t breathe like that. Wind didn’t stop when she stopped. The pendant pulsed once, hard enough to make her flinch. A figure stood between the trees. It was narrow and pale, one shoulder lower than the other. Rory saw it for only a moment, the torch beam catching a suggestion of a face. Then she blinked and the space was empty. She didn’t move. Didn’t call out. Her thumb pressed into the crescent scar on her wrist, an old habit she’d thought she’d outgrown. The skin there felt damp. A footstep sounded behind her. She turned, torch raised. The grove lay empty. The stones stood in their crooked line. The wildflowers had closed, their dark heads bowed to the earth. Another footstep came from the trees ahead. Rory backed toward the gap between the stones. It was where she’d entered; she knew it. She could see the opening, narrow between the leaning slabs. Beyond it, the world should be waiting: the trees, the grass, the distant wash of London. Instead, the stones framed the clearing. She was looking back into the grove from outside it—or into a second clearing that had been made to resemble the first. The moonlight spread over the same grass. The same flowers. The same ring of oaks. The same split-topped stone. Rory’s fingers tightened around the torch. The pendant was so hot now she could feel each link of the chain against her skin. She forced herself to walk toward the stones. One step, then another. Her boots made no sound. At the boundary, she looked through the gap. This time she saw the park. A black stretch of open ground. A weak orange smear of city light. The path she’d taken, faint between the trees. Relief loosened her throat. She stepped through. A hand brushed the back of her coat. Rory spun so hard the torch beam slashed across the stones. Nothing there. No one close enough to touch her. No branch overhead. The phone in her pocket vibrated. She froze. The screen glowed when she pulled it out. The clock read 11:48. A notification sat beneath it, blank except for a single line: COME BACK. The phone vibrated again. This time the sound came from the clearing behind her. Rory looked over her shoulder. Between the stones, the darkness held a pale shape. The narrow figure stood with its head bowed. Its arms hung at its sides. She couldn’t see its face, but she knew it was looking at her. The pendant cooled all at once. For one bright, foolish second, Rory thought the danger had passed. Then the figure lifted its head, and somewhere beyond the stones a voice spoke in Rory’s own, tired and familiar. “Fine,” it whispered. “I’m here.” She ran.
created_at"2026-09-23T08:26:00.581Z" 9/23/2026, 8:26:00 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7202
moderation_latency(null)
generation_time38150
tokens_prompt792
tokens_completion2495
native_tokens_prompt742
native_tokens_completion2453
native_tokens_completion_images0
native_tokens_reasoning312
native_tokens_cached0
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"
usage0.0013007
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790151960-hvCEGcGIWSixtuGkCgTt"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790151960-eWEVguDkkTsKQECBliZV"
upstream_id"resp_025be7da50725bdd016ab38d18c24887d1b09f716d9426a860"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_025be7da50725bdd016ab38d18c24887d1b09f716d9426a860"
is_byokfalse
latency823
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0013007
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0
effectiveRatio0
88.14% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1686
totalAiIsmAdverbs4
found
0
adverb"sharply"
count1
1
adverb"slowly"
count1
2
adverb"gently"
count1
3
adverb"quickly"
count1
highlights
0"sharply"
1"slowly"
2"gently"
3"quickly"
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)
46.62% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1686
totalAiIsms18
found
0
word"warmth"
count3
1
word"could feel"
count2
2
word"pulse"
count1
3
word"whisper"
count1
4
word"silence"
count2
5
word"weight"
count1
6
word"footsteps"
count1
7
word"pulsed"
count2
8
word"trembled"
count1
9
word"echo"
count1
10
word"vibrated"
count2
11
word"familiar"
count1
highlights
0"warmth"
1"could feel"
2"pulse"
3"whisper"
4"silence"
5"weight"
6"footsteps"
7"pulsed"
8"trembled"
9"echo"
10"vibrated"
11"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
narrationSentences221
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount3
narrationSentences221
filterMatches
0"decide"
hedgeMatches
0"began to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences223
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen24
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1679
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
81.18% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions31
wordCount1671
uniqueNames6
maxNameDensity1.38
worstName"Rory"
maxWindowNameDensity2
worstWindowName"Rory"
discoveredNames
Rory23
Richmond1
Park1
November1
London1
One4
persons
0"Rory"
1"One"
places
0"Richmond"
1"Park"
2"November"
3"London"
globalScore0.812
windowScore1
90.48% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences126
glossingSentenceCount3
matches
0"seemed thinner now, smeared low across the horizon"
1"as if listening"
2"seemed brighter in the torchlight than they should have been"
80.88% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.191
wordCount1679
matches
0"not to lose sight of the city’s distant glow, but even"
1"not black, but strangely flat"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences223
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs87
mean19.3
std17.04
cv0.883
sampleLengths
011
136
25
363
466
55
630
711
848
937
1010
115
1245
1330
1426
153
1643
173
1812
1971
206
2121
224
2338
245
2511
2626
2745
2854
294
305
3150
325
3312
3418
356
367
3712
3845
3911
406
4119
423
438
4410
4542
4622
4714
4815
494
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences221
matches
0"been shut"
1"was gone"
2"been made"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs289
matches
0"was looking"
1"was looking"
53.17% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount1
flaggedSentences7
totalSentences223
ratio0.031
matches
0"A warning, or an invitation—she hadn’t decided which."
1"She knew there was a grove here—or had heard enough to believe there was."
2"The park’s distant noise—traffic, a siren, the soft hiss of the city—fell away."
3"There, between two oaks, the darkness looked deeper than it did elsewhere—not black, but strangely flat."
4"One of the standing stones had shifted—or seemed to have shifted."
5"It was where she’d entered; she knew it."
6"She was looking back into the grove from outside it—or into a second clearing that had been made to resemble the first."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1681
adjectiveStacks1
stackExamples
0"same split-topped stone."
adverbCount61
adverbRatio0.0362879238548483
lyAdverbCount13
lyAdverbRatio0.007733491969066032
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences223
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences223
mean7.53
std4.85
cv0.644
sampleLengths
011
113
214
39
43
52
612
79
824
918
1012
114
128
1324
1411
157
165
175
184
1921
205
212
224
238
2411
2512
267
2710
287
2914
3016
315
325
335
345
353
361
3715
3813
398
402
4119
424
435
4411
4515
461
472
4824
495
40.95% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats20
diversityRatio0.2171945701357466
totalSentences221
uniqueOpeners48
68.03% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences196
matches
0"Only flowers, stems nodding gently."
1"Then she blinked and the"
2"Instead, the stones framed the"
3"Then the figure lifted its"
ratio0.02
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount54
totalSentences196
matches
0"She stopped beneath the oaks"
1"It was no bigger than"
2"She had been careful not"
3"She’d got off at the"
4"She’d expected to find a"
5"She hadn’t expected the cold."
6"Her breath didn’t show."
7"She pulled out her phone."
8"They were old, but not"
9"She knew there was a"
10"She stepped between the stones."
11"She felt it settle over"
12"She took a torch from"
13"They bloomed thickly in the"
14"Its petals were soft and"
15"It was a small clearing,"
16"She had the unpleasant sense"
17"She checked her phone again."
18"It reached the far stones"
19"She turned sharply."
ratio0.276
54.39% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount159
totalSentences196
matches
0"The pendant warmed against Rory’s"
1"She stopped beneath the oaks"
2"It was no bigger than"
3"A dull red light stirred"
4"Richmond Park lay behind her,"
5"The path she’d followed had"
6"She had been careful not"
7"The ancient standing stones stood"
8"Rory had come because the"
9"A warning, or an invitation—she"
10"She’d got off at the"
11"She’d expected to find a"
12"Something she could look at"
13"She hadn’t expected the cold."
14"The night wasn’t particularly cold."
15"Her breath didn’t show."
16"She pulled out her phone."
17"The time read 11:48."
18"Rory put it away and"
19"They were old, but not"
ratio0.811
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences196
matches(empty)
ratio0
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences62
technicalSentenceCount3
matches
0"She felt it settle over her shoulders, as if she’d walked under a low ceiling."
1"They bloomed thickly in the grass, white and yellow and bruised purple, all of them fresh as if rain had washed them that morning."
2"The flowers bent in one direction, all at once, as if something large had moved through them."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount3
fancyTags
0"she whispered (whisper)"
1"she murmured (murmur)"
2"it whispered (whisper)"
dialogueSentences6
tagDensity0.667
leniency1
rawRatio0.75
effectiveRatio0.75
83.2610%