Run: 2026-09-23-01M36P53NDWMS7VKJCNTRMQ6H6

Run Details

Duration:
29.2s
Cost:
$0.001249
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 standing stones were not on the map. Rory checked her phone again anyway, turning in the dark with the screen cupped against her palm. Richmond Park sprawled around her in a scatter of dim paths and black tree shapes. Beyond the nearest gate, London shone faintly through the branches. Here, the cold had swallowed even the distant traffic. The map showed her on a service road. The road under her boots ended at the stones. There were five of them, though she could have sworn there had been four from the path. Tall, weather-scoured slabs stood in a rough circle at the edge of a clearing. Their tops disappeared into the tree canopy. The gaps between them looked too narrow to walk through, but the ground beyond was open. She looked down at the message on her phone. Come alone. Midnight. Bring the pendant. I can tell you who gave it to you. No name. No number that would survive a call back. The message had arrived an hour earlier, just as she was about to lock up the Golden Empress. Whoever sent it knew about the pendant. That was enough to make her come. Not enough to make her trust it. The Heartstone rested beneath her coat, its silver chain cool against her throat. She touched it through the fabric. The crimson gem was thumbnail-sized, faintly warm. It had been that way since she left the car. A pulse, barely there. Rory glanced back toward the path. She could still see the pale gravel between the trees, the low spill of light from a lamppost beyond it. She had parked nearby. Five minutes’ walk, perhaps less. She checked the time. 12:08. Her phone showed one bar of signal. The battery was at sixty-three percent. “Fine,” she murmured, because the silence had begun to feel like a question. She stepped between two stones. The clearing opened around her. Wildflowers bloomed beneath the trees, pale heads nodding in the windless night. Rory stopped. It was October. She crouched and touched one, careful not to crush it. The petals were cold and damp, but the stem was alive, springing back when she released it. She stood again, listening. No traffic. No wind. No rustle of leaves. The city had not vanished. It had been shut away. Rory turned slowly, measuring the clearing. It was smaller than it had looked from outside, perhaps thirty paces across. Ancient oaks ringed the far edge, their trunks thick and knotted. The stones stood behind her. She could see the opening between them. The phone clock read 12:08. She had been inside for less than a minute. “Who sent the message?” she called. Her voice went out cleanly, without an echo. The trees gave nothing back. Rory tried the phone again. No signal now. The map pin trembled on the screen, then jumped to the middle of the clearing. A low sound came from the trees. Not an animal. Too measured for that. A scrape, then another, as though something heavy dragged a foot through the leaves. Rory faced the sound. The tree line held only darkness. She lifted her phone and used the screen as a weak torch. The beam caught flowers, bark, the slick gleam of a root. Nothing moved. She was tired. She had worked a double shift and driven across London with a stranger’s promise in her pocket. She was in a park at night, standing in an old circle of stones. Of course every sound had edges. The Heartstone warmed against her chest. Not a pulse this time. A steady, growing heat. Rory pulled it out. The gem glimmered faintly from within, a dim red point under the surface. She held it between finger and thumb. The silver chain trembled against her skin. “Is this what you wanted?” she said. From somewhere behind her came a whisper. “Rory.” She spun. Nothing. The name had sounded close. Not loud, not even clear. It could have been leaves shifting. It could have been the shape of her own breath turned strange in her ears. Her hand closed around the pendant. She looked toward the stones. The gap she had come through seemed farther away than it should have been. The stones themselves had shifted, she thought—not moved, exactly, but changed their angles. One leaned inward where it had leaned out before. Rory took a step toward them. The scrape sounded again from the far side of the clearing. She stopped. The phone in her other hand lit with a notification. No signal, but the screen had woken. A text appeared, empty except for one word. WAIT. Rory’s mouth went dry. She swiped it away. The screen returned to the map, the blue dot fixed in the middle of the clearing. She hit the call button. No service. She tried the emergency number anyway. The scrape came again, closer now. Rory lifted her head. At the edge of her vision, something stood between two trees. She turned toward it. The beam from her phone found only a trunk split by a pale seam of lichen. She kept the light fixed there for several seconds. Then she lowered the phone. The thing was still there. It stood just beyond the tree, a narrow darkness darker than the night around it. Rory raised the light again. The shape did not disappear. It had no visible face, no clear outline except the suggestion of shoulders and a head inclined toward her. Her breath caught. She looked away, one blink, then back. Empty. “Right,” she said, her voice too thin. “No.” She backed toward the stones. The Heartstone burned through her palm. She nearly dropped it and forced her fingers open. The gem’s inner glow had strengthened, staining the pads of her fingers a deep red. A voice spoke from the trees. “You came alone.” It was a woman’s voice, soft and level. Rory could not place it. There was no direction to it. It seemed to come from the oak branches overhead and the ground under her feet at once. “Who are you?” A pause. “You brought what belongs here.” “Then tell me who gave it to me.” The flowers stirred. A few at first. Then all of them, their pale heads bending in the same direction, toward Rory. She looked down at them, unable to stop herself. Their stems bowed in the still air as if an unseen hand had passed above them. The phone clock changed to 12:09. Rory glanced up. Across the clearing, the darkness between the trees had thickened. It gathered in strips, separating the trunks, filling the gaps. Something moved through it. Not running. Not walking. Sliding sideways from one patch of shadow to the next. She took another step back. The standing stones were behind her. She could feel their presence without turning. The voice came again. “You were told to wait.” “I don’t take orders from strangers.” “Rory.” This time the voice had changed. It was warmer, familiar. A voice she had not heard in years. Her mother’s. Rory went rigid. “Come here, love.” For one foolish moment, she believed it. The words carried the same gentle Welsh lilt, the same little rise at the end of a sentence that meant her mother was smiling. Rory saw, in her mind, the kitchen in Cardiff, the chipped green mug, the warm square of light on the table. Then she remembered the distance between Cardiff and this clearing. The years. The impossible, perfect timing of the voice. Her hand tightened around the pendant until its edges bit her skin. “That isn’t her.” A whisper of laughter moved through the trees. It sounded like dry leaves dragged over stone. The phone vibrated. A new message appeared. DON’T LOOK BEHIND YOU. Rory stared at it. Something breathed at her back. Warm air touched the nape of her neck. She did not turn. Every muscle in her body locked at once. She could hear the breath draw in, slow and patient, then leave her skin colder than before. The stones behind her clicked. A small sound. Stone on stone. She kept her gaze on the phone. The screen dimmed, then brightened by itself. RUN. The word vanished before she could move. A second breath brushed her neck, closer. She smelled wet earth and the sour, green scent of something long buried. Rory took one deliberate step sideways. The breathing followed. She looked at the nearest gap between the standing stones. From where she stood, the opening appeared just wide enough. Beyond it, she could make out the pale gravel path. A lamppost. A thin yellow glow. Ordinary things. She could run. She had always been good at running when she needed to be. The scrape sounded from her left. She turned her eyes, not her head. At the far edge of the clearing, the dark figure had returned. It stood between two oaks, its head angled toward her. There was a shine where its face should be—not eyes, Rory told herself, only the wet gleam of bark. Then the shine blinked. The Heartstone throbbed once. Every flower in the clearing closed. The figure shifted forward. It had not crossed the space between the trees. It was simply nearer, though no step had disturbed the leaves. Rory backed toward the stones. The breathing behind her kept pace, close enough now that she felt its presence as a pressure against her coat. “Tell me what you want,” she said. The voice answered from the figure, from the trees, from the breath at her back. “To be let in.” A childhood memory flashed across her mind: the crescent scar on her wrist, the broken glass, her mother pressing a cloth to the cut while she insisted she wasn’t crying. Pain, blood, the hard certainty of the kitchen floor beneath her knees. She reached for the pendant with her free hand and lifted it high. The red glow sharpened. Heat burned through the silver chain. The figure at the tree line went still. The breath behind her stopped. Rory moved. She ran for the gap. The stones seemed to close around her as she passed between them, their rough sides whispering against her sleeves. For half a second the opening was no wider than her shoulders. The air squeezed from her lungs. The pendant flared hot against her palm. Then she stumbled onto gravel. A car passed on the road beyond the trees, headlights sweeping over the path. Rory caught the light like a rope. She ran toward it, phone clutched in one hand, Heartstone in the other. Behind her, the clearing was silent. She did not look back until she reached the gate. When she did, the standing stones were gone. Only trees stood beyond the path, black and ordinary beneath the night sky. Her phone showed full signal. The map placed her at the edge of Richmond Park. The clock read 12:10. Rory stared at it, waiting for the numbers to change. The Heartstone cooled in her palm. For a long moment she heard only her own breathing and the distant rush of cars. Then, from somewhere among the trees, came the soft scrape of a foot dragging through leaves. She put the pendant under her coat and walked quickly toward the road.
created_at"2026-09-23T08:29:43.475Z" 9/23/2026, 8:29:43 AM
model"openai/gpt-6-luna-20260922"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1690
moderation_latency(null)
generation_time29138
tokens_prompt792
tokens_completion2770
native_tokens_prompt742
native_tokens_completion2350
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"
usage0.0012492
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790152183-gzV6KMSKtihSVGTpanrq"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790152183-NquFqW6YM8vjV0LOUANH"
upstream_id"resp_048f99b2191dd89d016ab38df7940887d1b43a4afd1412a60f"
provider_responses
0
endpoint_id"05e94e02-b9c2-4bbb-ba55-4082ee9ad687"
id"resp_048f99b2191dd89d016ab38df7940887d1b43a4afd1412a60f"
is_byokfalse
latency750
model_permaslug"openai/gpt-6-luna-20260922"
provider_name"OpenAI"
status200
total_cost0.0012492
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
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences17
tagDensity0.294
leniency0.588
rawRatio0
effectiveRatio0
94.70% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1888
totalAiIsmAdverbs2
found
0
adverb"slowly"
count1
1
adverb"quickly"
count1
highlights
0"slowly"
1"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)
60.28% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1888
totalAiIsms15
found
0
word"pulse"
count2
1
word"silence"
count1
2
word"echo"
count1
3
word"trembled"
count2
4
word"measured"
count1
5
word"whisper"
count2
6
word"could feel"
count1
7
word"familiar"
count1
8
word"lilt"
count1
9
word"perfect"
count1
10
word"vibrated"
count1
11
word"throbbed"
count1
highlights
0"pulse"
1"silence"
2"echo"
3"trembled"
4"measured"
5"whisper"
6"could feel"
7"familiar"
8"lilt"
9"perfect"
10"vibrated"
11"throbbed"
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
narrationSentences237
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount2
narrationSentences237
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences249
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen30
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1886
ratio0
matches(empty)
97.22% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions1
matches
0"There was a shine where its face should be—not eyes, Rory told herself, only the wet gleam of bark."
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions41
wordCount1823
uniqueNames10
maxNameDensity1.26
worstName"Rory"
maxWindowNameDensity2.5
worstWindowName"Rory"
discoveredNames
Park2
London2
Golden1
Empress1
Heartstone6
October1
Rory23
Welsh1
Cardiff2
Richmond2
persons
0"Heartstone"
1"Rory"
places
0"Park"
1"London"
2"Cardiff"
3"Richmond"
globalScore0.869
windowScore0.833
79.58% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences142
glossingSentenceCount4
matches
0"seemed farther away than it should have been"
1"appeared, empty except for one word"
2"sounded like dry leaves dragged over stone"
3"appeared just wide enough"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.53
wordCount1886
matches
0"not moved, exactly, but changed their angles"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences249
matches
0"been that way"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs129
mean14.62
std14.29
cv0.977
sampleLengths
08
151
217
354
49
515
649
736
84
935
104
111
1213
1313
145
155
1644
174
188
1910
2042
215
229
236
2413
2523
267
2721
284
2931
3040
316
329
3331
347
357
361
372
381
3931
406
4141
426
4311
442
4525
461
474
4833
496
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences237
matches
0"been shut"
1"were gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs294
matches
0"wasn’t crying"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount0
flaggedSentences2
totalSentences249
ratio0.008
matches
0"The stones themselves had shifted, she thought—not moved, exactly, but changed their angles."
1"There was a shine where its face should be—not eyes, Rory told herself, only the wet gleam of bark."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount306
adjectiveStacks1
stackExamples
0"Tall, weather-scoured slabs"
adverbCount10
adverbRatio0.032679738562091505
lyAdverbCount3
lyAdverbRatio0.00980392156862745
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences249
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences249
mean7.57
std4.84
cv0.639
sampleLengths
08
117
215
310
49
58
69
717
814
97
1016
119
122
131
143
159
162
178
1818
197
207
217
2213
236
247
2510
264
276
2820
294
305
314
321
337
346
3513
365
375
3812
392
403
4110
4217
434
442
452
464
475
485
496
43.15% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.2217741935483871
totalSentences248
uniqueOpeners55
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount9
totalSentences210
matches
0"Too measured for that."
1"Of course every sound had"
2"Then she lowered the phone."
3"Then all of them, their"
4"Then she remembered the distance"
5"Then the shine blinked."
6"Then she stumbled onto gravel."
7"Only trees stood beyond the"
8"Then, from somewhere among the"
ratio0.043
92.38% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount67
totalSentences210
matches
0"Their tops disappeared into the"
1"She looked down at the"
2"I can tell you who"
3"She touched it through the"
4"It had been that way"
5"She could still see the"
6"She had parked nearby."
7"She checked the time."
8"Her phone showed one bar"
9"she murmured, because the silence"
10"She stepped between two stones."
11"It was October."
12"She crouched and touched one,"
13"She stood again, listening."
14"It had been shut away."
15"It was smaller than it"
16"She could see the opening"
17"She had been inside for"
18"Her voice went out cleanly,"
19"She lifted her phone and"
ratio0.319
60.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount168
totalSentences210
matches
0"The standing stones were not"
1"Rory checked her phone again"
2"Richmond Park sprawled around her"
3"Here, the cold had swallowed"
4"The map showed her on"
5"The road under her boots"
6"Their tops disappeared into the"
7"The gaps between them looked"
8"She looked down at the"
9"I can tell you who"
10"The message had arrived an"
11"That was enough to make"
12"The Heartstone rested beneath her"
13"She touched it through the"
14"The crimson gem was thumbnail-sized,"
15"It had been that way"
16"A pulse, barely there."
17"Rory glanced back toward the"
18"She could still see the"
19"She had parked nearby."
ratio0.8
23.81% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences210
matches
0"Whoever sent it knew about"
ratio0.005
100.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences69
technicalSentenceCount2
matches
0"The words carried the same gentle Welsh lilt, the same little rise at the end of a sentence that meant her mother was smiling."
1"A childhood memory flashed across her mind: the crescent scar on her wrist, the broken glass, her mother pressing a cloth to the cut while she insisted she wasn…"
25.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount1
matches
0"she said, her voice too thin"
91.18% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount1
fancyTags
0"she murmured (murmur)"
dialogueSentences17
tagDensity0.294
leniency0.588
rawRatio0.2
effectiveRatio0.118
88.1541%