Run: 2026-09-23-01M37HWJJDET0YN7GQAM16ADHF

Run Details

Duration:
38.9s
Cost:
$0.022784
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 first thing Rory noticed was that the rain stopped at the trees. It fell hard over the open ground behind her, silver in the beam of her torch, but the path into the grove lay dry. She stood beneath the last ordinary oak and watched drops strike an invisible edge a few inches beyond her boots. On her side, mud darkened and filled with water. On the other, last year’s leaves lay pale and crisp. She had crossed this boundary before. She had never seen it. “Brilliant,” she said, and stepped through. The rain vanished from her hood. So did its sound. Rory turned to check the path back, but the torch showed only trunks packed close together, their roots rising out of dry earth. Through a narrow gap she could still see the rainy slope of Richmond Park. She fixed the gap in her mind: two trunks, one split near its base. At the clearing, wildflowers crowded the ground around the old stones. They bloomed in winter here, apparently without the courtesy of being surprised by it. White stitchwort, bluebells, small yellow flowers she couldn’t name. The stones rose among them like tree trunks cut short and set upright, their surfaces rough and ridged as oak bark. Rory took out her phone. No signal. She had expected that. It showed 11:17, which meant little once she’d crossed the boundary. The last time she’d spent an hour in the grove, four minutes had passed outside. The time before that, she’d missed most of a Tuesday. She set a twenty-minute alarm anyway. It might still tell her how long she’d been here. The pendant hung beneath her jumper, its silver chain cool against her neck. She drew it out. The deep crimson stone, no larger than her thumbnail, held its usual faint light. No warmth yet. She had come because that warmth had begun the previous night while she was making a delivery for the Golden Empress. Halfway down a street in Richmond, with a paper bag digging into her fingers, the stone had heated against her chest. It had cooled only when she turned toward the park. The same thing had happened again that afternoon. A Hel portal was meant to make it warm. She knew that much. If one had opened near the grove, she wanted to find out before anyone else wandered into it. Rory pocketed her phone and followed the line of standing stones. Nothing moved in the clearing. The torch picked out wet-looking grass, though the ground was dry under her boots, and a moth settled briefly on one of the stone faces. She listened. Beyond the clearing there ought to have been wind in the trees, rain, perhaps a car on the road if the distance behaved itself. Instead she heard a gate latch. A small metal click, followed by the hollow knock of a gate closing. She turned. The beam swept across flowers and trunks. There was no gate in the grove; there was no fence within sight. She waited until the silence felt ordinary again, then went on. At the eastern edge, the pendant warmed. Rory stopped between two stones. The heat was faint but distinct, a pressure through her jumper where she let the gem fall back against her skin. She lifted it by the chain and held it toward the trees. Its inner glow deepened a shade. When she turned toward the centre of the clearing, it cooled. “East,” she murmured. She took three steps. From somewhere behind her came the quick, dry sound of a bicycle freewheel. It lasted less than a second. Rory held still. On the walk through the park she’d seen no one, and the paths were too soft for a bicycle to move without the crunch of gravel or the suck of tyres in mud. She raised the torch and waited for the sound to come again. It didn’t. She could have gone back. She could tell someone what the pendant had done and let them decide what came next. But she’d brought no proof except the stone, and she had wanted to know whether the danger lay inside the grove or merely near it. The warmth grew stronger as she approached the trees. A shape moved beyond the torchlight. Rory swung the beam toward it. A low branch swayed once, though she felt no wind. Its leaves were dark and narrow. She kept the light there. The branch settled. Then something brushed the back of her coat. She spun so fast the torch beam jumped to the flowers at her feet. Nothing stood behind her. She checked the hem with one hand. A burr clung to the fabric, caught just below her shoulder blade. She pulled it free and held it up to the light. It was fresh and green. There were no burrs on the open path where she’d walked in. Rory let it fall. Her pulse had become loud enough to hear. She tried to slow her breathing and looked toward the gap between the trees, the one that led back out to the park. Two trunks, one split near its base. She could no longer see the rainy slope through them. That could be the angle. She had moved around the clearing. She went to the centre and tried again. The gap showed more trees. Her phone alarm sounded. The bright chime made her flinch. She silenced it and checked the time. 11:19. Two minutes on the screen, though she had walked and waited and circled the clearing for long enough that twenty minutes seemed plausible. She had no way to know which clock had kept better count. At the edge of the torch beam, a patch of bluebells bent toward the ground. Rory looked straight at them. They lifted slowly, their stems trembling. Perhaps a small animal. She aimed the torch low and searched between the flowers. Whatever it was would have to cross an open strip of earth to reach the trees. She saw no movement there. The gate latch clicked again, closer. Rory started toward the way out. She kept the eastern stones on her right and counted the ones she passed. One, two, three. At the fourth, the pendant burned hot enough to make her stop. She caught the chain and pulled the stone away from her skin. A thin line of darkness ran up the face of the stone in front of her. She’d taken it for a crack in the bark, but when she moved the torch, the line stayed black. It was narrower than a finger and perfectly straight. It began at the ground and ended well above her head. Rory stepped left. The pendant cooled at once. She stepped back, and its heat returned. There it was, then. Something small enough to miss, opening in the boundary stone. No need to wait around and see it widen. She backed away, careful to keep the line in sight. Behind her, leaves rustled. She looked over her shoulder. The clearing remained empty, but the flowers now stood pressed down in a narrow track. The track led from the far trees toward her. As she watched, another cluster folded under a weight she couldn’t see. Rory ran. She crossed the clearing toward the gap she remembered. Flowers caught at her boots. The torch beam bounced over the stones, catching white petals, then bark, then the pale underside of a branch. She reached the two trunks and found the split at the base of the left one. Beyond them was only a patch of darkness. She stopped rather than blunder through. Her breathing came hard. Behind her, a succession of soft depressions moved through the flowers. Whatever made them had slowed when she did. Rory stepped between the trunks. The air changed, cold on her face. Rain struck her hood. She almost laughed with relief, but the beam of her torch showed dry leaves beneath her boots and another rank of trees a few yards ahead. The rain was falling in a strip no wider than the gap. It stopped when she took one more step. She turned back. The grove’s flowers were still visible between the trunks. The track through them ended at the boundary, a few feet from where she stood. A voice spoke from the clearing. “Rory?” She knew that voice. Eva sounded as she did when she called up from the street below the flat, impatient because Rory had taken too long finding her keys. Rory gripped the torch until her fingers hurt. Eva did not know she was here. Rory had left her a message saying she was going to check something in the park, but it hadn’t sent. The phone still showed no signal. “Rory, come back a second.” The voice was in the open clearing, some way behind the stones. Rory could see the whole space it came from. No one stood there. The flowers along the pressed track began to rise. She moved deeper among the trees. The ground sloped upward. Rain touched her cheek, then stopped. She kept going toward the place where she remembered the park path ought to be, forcing herself not to hurry so much that she lost her footing. Her torch caught a fallen trunk, slick with moss. Beyond it, a pair of eyes reflected the light. Rory froze. The eyes lowered. A deer stepped out from behind the trunk, ears forward, and stared at her. She had never been so glad to see an animal. It turned away and walked uphill. She followed at a distance, using the gap it made between the trees. Behind her came the click of the gate latch. The deer broke into a run. Rory followed. Branches slapped her sleeves, and mud grabbed at one boot. Real mud. She hauled her foot free and stumbled onto the gravel path beside the park’s outer fence. Rain poured through the torch beam. For a moment she could only stand there, bent over, drawing cold air into her lungs. The pendant had cooled. She took out her phone. It was 3:42 in the morning. She had entered the grove at 11:17. She started toward the gate to the road, keeping her torch pointed at the gravel. Halfway there, she heard the freewheel again: a few quick clicks, very close, as if a bicycle had rolled to a stop just behind her. Rory turned. The path was empty as far as the torch reached. Rain stippled the puddles and ran down the fence posts. She stayed facing back toward the trees and walked the rest of the way out.
created_at"2026-09-23T16:34:23.956Z" 9/23/2026, 4:34:23 PM
model"openai/gpt-6-sol-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2601
moderation_latency(null)
generation_time38832
tokens_prompt792
tokens_completion2478
native_tokens_prompt742
native_tokens_completion2130
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.022784
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790181263-U6ijzlvdYNKorVhIBYiA"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790181263-wXJWBMV9ipYE0upmbe4b"
upstream_id"resp_05b3f1266720547e016ab3ff900da087d1b3bb66da453ddcb8"
provider_responses
0
endpoint_id"1cfc7d9d-4404-4b8e-9ee4-58ae45c9dcd4"
id"resp_05b3f1266720547e016ab3ff900da087d1b3bb66da453ddcb8"
is_byokfalse
latency407
model_permaslug"openai/gpt-6-sol-20260922"
provider_name"OpenAI"
status200
total_cost0.022784
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences4
tagDensity0.5
leniency1
rawRatio0
effectiveRatio0
91.56% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1777
totalAiIsmAdverbs3
found
0
adverb"slowly"
count1
1
adverb"perfectly"
count1
2
adverb"very"
count1
highlights
0"slowly"
1"perfectly"
2"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)
83.12% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1777
totalAiIsms6
found
0
word"warmth"
count3
1
word"silence"
count1
2
word"pulse"
count1
3
word"weight"
count1
highlights
0"warmth"
1"silence"
2"pulse"
3"weight"
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
emotionTells1
narrationSentences183
matches
0"d with relief"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount4
narrationSentences183
filterMatches
0"decide"
hedgeMatches
0"tried to"
1"started to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences185
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen33
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1777
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions31
wordCount1769
uniqueNames8
maxNameDensity1.13
worstName"Rory"
maxWindowNameDensity2.5
worstWindowName"Rory"
discoveredNames
Rory20
Richmond2
Park1
Tuesday1
Golden1
Empress1
Hel1
Rain4
persons
0"Rory"
1"Rain"
places
0"Richmond"
1"Park"
globalScore0.935
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences131
glossingSentenceCount2
matches
0"n winter here, apparently without the courtes"
1"seemed plausible"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1777
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount3
totalSentences185
matches
0"was that the"
1"knew that much"
2"knew that voice"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs62
mean28.66
std20.02
cv0.699
sampleLengths
013
163
211
36
461
555
647
716
834
960
1031
1167
126
1313
1433
157
1655
173
1817
196
2050
2155
226
2330
248
2553
2612
2752
2824
294
3049
3126
3235
336
3447
3555
3615
3723
3819
3936
402
4157
4229
435
4457
4527
466
471
4829
4941
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences183
matches
0"being surprised"
1"was meant"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs304
matches
0"was making"
1"was falling"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount1
flaggedSentences1
totalSentences185
ratio0.005
matches
0"There was no gate in the grove; there was no fence within sight."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1771
adjectiveStacks0
stackExamples(empty)
adverbCount65
adverbRatio0.03670242800677583
lyAdverbCount9
lyAdverbRatio0.005081874647092038
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences185
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences185
mean9.61
std6.16
cv0.641
sampleLengths
013
124
220
39
410
56
65
76
86
94
1023
1114
1214
1311
1414
159
1621
175
182
194
2011
2115
2210
236
2410
2513
264
2714
283
2921
3021
3110
328
339
344
3518
3611
375
3825
392
4024
416
4213
432
447
4513
4611
477
485
4921
45.11% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.21739130434782608
totalSentences184
uniqueOpeners40
58.14% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences172
matches
0"Instead she heard a gate"
1"Then something brushed the back"
2"Perhaps a small animal."
ratio0.017
61.86% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount68
totalSentences172
matches
0"It fell hard over the"
1"She stood beneath the last"
2"She had crossed this boundary"
3"She had never seen it."
4"she said, and stepped through"
5"She fixed the gap in"
6"They bloomed in winter here,"
7"She had expected that."
8"It showed 11:17, which meant"
9"She set a twenty-minute alarm"
10"It might still tell her"
11"She drew it out."
12"She had come because that"
13"It had cooled only when"
14"She knew that much."
15"She waited until the silence"
16"She lifted it by the"
17"Its inner glow deepened a"
18"She took three steps."
19"It lasted less than a"
ratio0.395
64.65% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount136
totalSentences172
matches
0"The first thing Rory noticed"
1"It fell hard over the"
2"She stood beneath the last"
3"She had crossed this boundary"
4"She had never seen it."
5"she said, and stepped through"
6"The rain vanished from her"
7"Rory turned to check the"
8"She fixed the gap in"
9"They bloomed in winter here,"
10"The stones rose among them"
11"Rory took out her phone."
12"She had expected that."
13"It showed 11:17, which meant"
14"The last time she’d spent"
15"The time before that, she’d"
16"She set a twenty-minute alarm"
17"It might still tell her"
18"The pendant hung beneath her"
19"She drew it out."
ratio0.791
29.07% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences172
matches
0"If one had opened near"
ratio0.006
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences77
technicalSentenceCount1
matches
0"Halfway there, she heard the freewheel again: a few quick clicks, very close, as if a bicycle had rolled to a stop just behind her."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount1
fancyTags
0"she murmured (murmur)"
dialogueSentences4
tagDensity0.5
leniency1
rawRatio0.5
effectiveRatio0.5
87.2280%