Run: 2026-02-17-01KHMPFJ1ERADMZA6W7CP500M8

Run Details

Duration:
12.9s
Cost:
$0.027355
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
Rory pushed aside the thick curtain of vines and stepped into the Grove. The moment she crossed the ancient oak standing stones that marked its boundary, a sensation washed over her like a cool breath — everything seemed sharper, more alive. She glanced back just to reassure herself that Richmond Park was still there, but the dense foliage swallowed the path behind her. She was alone now, deep in Isolde's Grove, but she clung to a sense of purpose. In one hand, she clutched the Heartstone Pendant, a deep crimson relic on a silver chain that gleamed faintly even in the half-light. In the other, she held a small flashlight, though its beam did little to cut through the otherworldly gloom. Wildflowers carpeted the ground in a riot of colors, despite the late hour. If the stories Yu-Fei told her were true, this was where the artifact’s powers would become clear. Eva had said to trust no one, yet Yu-Fei insisted Rory must come tonight, alone. The air was dense, saturated with the scents of earth and damp bark. Leaves rustled where there was no wind, like whispers exchanged behind her back. Rory couldn't shake the feeling that the Grove knew she was intruding. Her breath came quick and shallow as she picked her way through the clusters of wildflowers that grew in defiance of the seasons. Minutes passed, or perhaps hours. Time played tricks in the Fae Grove. She leaned against the gnarled trunk of an oak tree, letting her nerves settle. But then she heard it — a low hum, almost imperceptible, but constant. It vibrated through the roots to her feet, a frequency just below hearing. She checked the Heartstone, which now glowed slightly, pulsing as if inflamed by the ambient magic. She let it dangle in front of her, its warmth noticeable even through the chill creeping into her bones. "Get a grip," she whispered to herself, her breath puffing out in small clouds. "Eva's waited long enough." Night deepened. She reminded herself that Yu-Fei described this place as both a sanctuary and a trap. It resided between worlds, bending rules, as Rory now suspected, more out of whim than respect for natural laws. A twig snapped somewhere to her left, followed by a rustle like footsteps through dead leaves. She swung the flashlight around, the beam landing on nothing but empty underbrush. Nerves frayed, she moved forward. The low hum grew louder, muxculating with new sounds — distant laughter, perhaps a child's, or the soft rustle of fabric. The light played tricks on her, shadows morphing into shapes that vanished when looked at directly. She knew she had to focus, to clear her mind. She replayed the steps in her head. Enter the Grove, reach the heart of the circle, and use the Pendant. Simplicity itself, but simplicity never accounted for the treachery of unfamiliar places. The path tightened, forcing her to squeeze between two trees whose branches formed an arch. As she crossed it, the feeling of being watched intensified. She could swear she saw movement in the corner of her eye, but every time she turned her head, the Grove revealed nothing. Her pulse quickened, her breath harsher than before. You’re not losing it, she told herself. They’re just trying to scare you. With determination, she pressed on. The hum now carried a rhythm, almost musical, and she realized it emanated from beneath, as if the ground itself was alive, stirring. Rory clutched the Heartstone tighter, feeling its pulse match her own increasingly frantic heartbeat. Off to the right, a flicker of light caught her eye. She turned, but there was nothing there, only the gloom and underbrush. Then to her left, a soft chuckle echoed through the grove, turning her spine cold. She steeled herself and trudged further, reaching a small clearing at the center. Here, the low hum was a throbbing heartbeat, resonating through her bones. In the middle of the clearing stood a circular arrangement of tree stumps, each carved with ancient runes. Rory recognized the symbols from Yu-Fei's stories, inscriptions of protection and power. She stepped into the circle, her anxiety peaking as if some hidden crescendo was about to be reached. She rummaged through her jacket pocket and produced a small piece of parchment, an incantation written in a language she only partially understood. Placing the Heartstone in the center stump, she began to read. Her voice was shaky but grew firmer as she continued. The pendant’s glow turned from a faint flicker to a steady, intense light. Then everything went silent — the hum, the chuckles, even her own breath. The air thickened, pressing in on her, as if the Grove itself held its breath. Rory's heart pounded in her ears, blood rushing in a dizzying cadence. She tried to focus on her incantation, but the words faltered on her tongue. A laugh, high and sinister, erupted from the shadows, shattering the silence. Rory whirled around, flashlight raised, but all she saw were the thick shadows beyond the stones. The laughter grew louder, spreading out like ripples in water. She took a step back, her foot bumping into the stump where the Heartstone lay glowing with an almost unbearable brightness. Her ankle caught on a root, sending her sprawling backward. She pressed her scarred wrist against the ground to steady herself, but the texture felt wrong—smooth and warm, like flesh. She pulled away in horror, scrambling to her feet. When she looked at her hand, she saw smears of dark liquid, glistening in the Heartstone's eerie light. Panic surged through her, and she grabbed the pendant, its warmth searing her skin. She had to finish the ritual. She had to close whatever door had been opened. She recited the final lines, her voice breaking and tears streaming down her face. The laughter halted abruptly, replaced by a deafening silence that seemed to stretch into eternity. For a heartbeat, everything froze. Then a force like a coil releasing pushed her to the ground. The Heartstone’s glow intensified, bathing the clearing in its crimson light. Rory felt an almost electric charge in the air, the sensation of a vast energy funneling through her, as if the Grove itself was exhaling. Suddenly, it was over. The oppressive weight lifted, and the Grove fell into a stillness so profound it was as if nothing had ever moved at all. Rory staggered to her feet, feeling an overwhelming urge to flee. She grabbed the Heartstone, now cool to the touch, slipped it back around her neck, and ran. As she made her way back, the forest seemed to part for her, the path clearer than it had ever been. Breathless and trembling, she burst through the curtain of vines and collapsed just beyond the standing stones. She lay there, chest heaving, the weight of the ordeal pressing on her mind. She had entered the Grove for answers, and though she was leaving with more questions, she sensed that she had at least survived its test. Looking back one last time, she saw the standing stones loom silently, guardians of the mystery she had partially touched but never fully grasped. She would come back someday, but not tonight. As Rory got to her feet and started the long walk back to her flat above Silas' bar, she felt the Heartstone's pulsing warmth against her chest, a reminder of both what she had faced and what still awaited her.
created_at"2026-02-17T02:22:28.173834+00:00" 2/17/2026, 2:22:28 AM
model"openai/gpt-4o-2024-05-13"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency334
moderation_latency(null)
generation_time12732
tokens_prompt812
tokens_completion1860
native_tokens_prompt743
native_tokens_completion1576
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.027355
router(null)
provider_responses
0
id"chatcmpl-DA515KEMHuuJnJwuEH7rhy8IPNIhA"
status200
is_byokfalse
latency306
endpoint_id"3d6584e7-a2bb-48d6-903d-24e3d90e7e55"
provider_name"OpenAI"
model_permaslug"openai/gpt-4o-2024-05-13"
api_type"completions"
id"gen-1771294935-MpX9NSKBWrLRk7bYQJ6n"
upstream_id"chatcmpl-DA515KEMHuuJnJwuEH7rhy8IPNIhA"
total_cost0.027355
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences2
tagDensity1
leniency1
rawRatio0
effectiveRatio0
91.95% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1242
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"suddenly"
count1
highlights
0"slightly"
1"suddenly"
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)
0.00% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1242
totalAiIsms30
found
0
word"sense of"
count1
1
word"otherworldly"
count1
2
word"gloom"
count2
3
word"vibrated"
count1
4
word"warmth"
count3
5
word"chill"
count1
6
word"sanctuary"
count1
7
word"footsteps"
count1
8
word"pulse"
count2
9
word"quickened"
count1
10
word"flicker"
count2
11
word"echoed"
count1
12
word"steeled"
count1
13
word"sinister"
count1
14
word"silence"
count2
15
word"glistening"
count1
16
word"searing"
count1
17
word"streaming"
count1
18
word"electric"
count1
19
word"oppressive"
count1
20
word"weight"
count2
21
word"profound"
count1
22
word"reminder"
count1
highlights
0"sense of"
1"otherworldly"
2"gloom"
3"vibrated"
4"warmth"
5"chill"
6"sanctuary"
7"footsteps"
8"pulse"
9"quickened"
10"flicker"
11"echoed"
12"steeled"
13"sinister"
14"silence"
15"glistening"
16"searing"
17"streaming"
18"electric"
19"oppressive"
20"weight"
21"profound"
22"reminder"
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
narrationSentences86
matches
0"y in horror"
76.41% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount4
narrationSentences86
filterMatches(empty)
hedgeMatches
0"began to"
1"tried to"
2"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences87
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1245
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions40
wordCount1214
uniqueNames10
maxNameDensity0.91
worstName"Rory"
maxWindowNameDensity1.5
worstWindowName"Grove"
discoveredNames
Grove10
Richmond1
Park1
Isolde1
Heartstone8
Pendant2
Yu-Fei4
Rory11
Fae1
Night1
persons
0"Heartstone"
1"Yu-Fei"
2"Rory"
3"Night"
places
0"Grove"
1"Richmond"
2"Park"
3"Isolde"
4"Fae"
globalScore1
windowScore1
56.25% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences80
glossingSentenceCount3
matches
0"seemed sharper more alive"
1"silence that seemed to stretch into eternity"
2"it was as if nothing had ever moved at all"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1245
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences87
matches
0"sensed that she"
26.60% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs19
mean65.53
std15.93
cv0.243
sampleLengths
079
187
261
387
418
565
684
769
880
973
1057
1154
1259
1357
1458
1553
1655
1777
1872
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences86
matches
0"been opened"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs218
matches
0"was intruding"
1"was exhaling"
2"was leaving"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences5
totalSentences87
ratio0.057
matches
0"The moment she crossed the ancient oak standing stones that marked its boundary, a sensation washed over her like a cool breath — everything seemed sharper, more alive."
1"But then she heard it — a low hum, almost imperceptible, but constant."
2"The low hum grew louder, muxculating with new sounds — distant laughter, perhaps a child's, or the soft rustle of fabric."
3"Then everything went silent — the hum, the chuckles, even her own breath."
4"She pressed her scarred wrist against the ground to steady herself, but the texture felt wrong—smooth and warm, like flesh."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1216
adjectiveStacks0
stackExamples(empty)
adverbCount43
adverbRatio0.03536184210526316
lyAdverbCount13
lyAdverbRatio0.01069078947368421
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences87
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences87
mean14.31
std6.19
cv0.433
sampleLengths
013
128
222
316
423
519
613
717
815
913
1013
1112
1223
135
147
1514
1613
1713
1816
1919
2014
214
222
2315
2419
2516
2613
275
2821
2916
3010
317
3213
3312
3415
3510
3623
378
387
396
405
4123
4214
4311
4412
4515
4613
4712
4818
4912
51.72% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3793103448275862
totalSentences87
uniqueOpeners33
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences85
matches
0"Then to her left, a"
1"Then everything went silent —"
2"Then a force like a"
3"Suddenly, it was over."
ratio0.047
60.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount34
totalSentences85
matches
0"She glanced back just to"
1"She was alone now, deep"
2"Her breath came quick and"
3"She leaned against the gnarled"
4"It vibrated through the roots"
5"She checked the Heartstone, which"
6"She let it dangle in"
7"she whispered to herself, her"
8"She reminded herself that Yu-Fei"
9"It resided between worlds, bending"
10"She swung the flashlight around,"
11"She knew she had to"
12"She replayed the steps in"
13"She could swear she saw"
14"Her pulse quickened, her breath"
15"You’re not losing it, she"
16"They’re just trying to scare"
17"She turned, but there was"
18"She steeled herself and trudged"
19"She stepped into the circle,"
ratio0.4
77.65% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount65
totalSentences85
matches
0"Rory pushed aside the thick"
1"The moment she crossed the"
2"She glanced back just to"
3"She was alone now, deep"
4"Wildflowers carpeted the ground in"
5"Eva had said to trust"
6"The air was dense, saturated"
7"Leaves rustled where there was"
8"Rory couldn't shake the feeling"
9"Her breath came quick and"
10"Minutes passed, or perhaps hours."
11"Time played tricks in the"
12"She leaned against the gnarled"
13"It vibrated through the roots"
14"She checked the Heartstone, which"
15"She let it dangle in"
16"she whispered to herself, her"
17"She reminded herself that Yu-Fei"
18"It resided between worlds, bending"
19"A twig snapped somewhere to"
ratio0.765
58.82% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences85
matches
0"If the stories Yu-Fei told"
ratio0.012
91.10% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences69
technicalSentenceCount5
matches
0"In one hand, she clutched the Heartstone Pendant, a deep crimson relic on a silver chain that gleamed faintly even in the half-light."
1"The hum now carried a rhythm, almost musical, and she realized it emanated from beneath, as if the ground itself was alive, stirring."
2"She recited the final lines, her voice breaking and tears streaming down her face."
3"Rory felt an almost electric charge in the air, the sensation of a vast energy funneling through her, as if the Grove itself was exhaling."
4"The oppressive weight lifted, and the Grove fell into a stillness so profound it was as if nothing had ever moved at all."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount1
matches
0"she whispered, her breath puffing out in small clouds"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she whispered (whisper)"
dialogueSentences2
tagDensity0.5
leniency1
rawRatio1
effectiveRatio1
76.3500%