NC Bench
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Run: 2026-02-17-01KHMPB1YQVV0MPNY4JT2JPBBR
Run Details
Model:
GPT-4o, May 13th (temp=1)
Test:
Bad Writing Habits
Scenario:
Fantasy: entering an ancient ruin
Duration:
14.0s
Cost:
$0.031800
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> <character id="4418" name="Nyx" aliases="Nyx, the Shadow, Nightwhisper" pronouns="they/them" species="Shade" storyRole="Wild Card"> <eyeColor>faintly glowing violet</eyeColor> <height>approximately 6'2" in solid form</height> <age>ageless</age> <form>humanoid silhouette of living shadow, can shift between solid and incorporeal</form> <voice>sounds like a whisper carried on the wind</voice> <description>A being of living shadow, existing between the mortal plane and the spaces between realms.</description> <backstory>Nyx was once a human sorcerer named Aldric who became trapped between realms during a failed summoning ritual in 1643. They now exist as a Shade, bound to the mortal plane but able to slip between shadows.</backstory> </character> <character id="4424" name="Isolde Varga" aliases="Isolde, the Seer" pronouns="she/her" species="Half-Fae" storyRole="Oracle"> <eyeColor>pale lavender</eyeColor> <hair>silver, reaching her waist</hair> <height>5'5"</height> <age>300 years old</age> <appearance>ethereal, ageless</appearance> <speech>speaks in riddles</speech> <footprints>leaves no footprints when she walks</footprints> <compulsion>cannot lie (Fae compulsion) but can mislead</compulsion> <description>A Half-Fae seer exiled from the Fae Courts for sharing visions with mortals.</description> <backstory>She now lives in a hidden grove in Richmond Park, offering cryptic prophecies to those who seek her out.</backstory> </character> <location id="853" name="Dymas (Gluttony)" aliases="Dymas, gluttony, Dymasian" realm="Hel" sin="Gluttony"> <ruler>Prince Belphegor</ruler> <skyColor>warm amber</skyColor> <description>A place of excess and indulgence. Sprawling vineyards, orchards, and gardens provide exotic ingredients for master chefs — often helbound souls contracted from Earth. Grand feasts and culinary competitions are common.</description> </location> <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> <item id="2006" name="Fae-Forged Blade" aliases="the Fae blade, Isolde's gift" type="Weapon" origin="The Fae Courts"> <material>moonsilver</material> <shape>slender, leaf-shaped dagger</shape> <temperature>always cold to the touch</temperature> <glow>faintly luminescent in moonlight</glow> <power>can cut through magical wards; particularly effective against demons</power> <givenTo>given to Aurora by Isolde as a gift</givenTo> <description>A weapon of the Fae Courts, rare and highly coveted.</description> </item> <lore id="7001" name="The Veil" aliases="the Veil, the Barrier, the Boundary" category="Cosmology"> <solsticeEffect>weakens during the winter solstice, strengthens during the summer solstice</solsticeEffect> <appearance>faint shimmering distortion visible only to those with supernatural sight</appearance> <monitoring>rift points (tears in the Veil) are monitored by the Wardens</monitoring> <description>The Veil is the metaphysical barrier separating Earth from Hel and the Fae Realms.</description> </lore> </codex> Write a fully fleshed out scene of at least 1000 words in the fantasy genre. A small group enters an ancient, otherworldly place for the first time. The environment is alien and wondrous. Describe their exploration — what they see, hear, and feel as they move deeper. Include moments of discovery, unease, and wonder. Let the world-building emerge through the characters' experience rather than exposition. Use the codex entries above as your world reference for characters, setting, and lore. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
The ancient oak standing stones
loomed
above Aurora like
sentinels
, their gnarled bark twisted into unknowable expressions. Rory, as she often went by these days, held her breath as she stepped past the stones, each
footfall
seemingly swallowed by the moist forest floor. The world shifted the moment she crossed the threshold—subtle, like a breath held too long. Isolde Varga
glided
ahead, her silver hair a shimmering veil
cascading
down her back. She moved effortlessly, barely disturbing the tiger lilies and bluebells that carpeted the grove. "This way," she intoned, her voice an
enigmatic
lilt that
seemed to
meld with the rustling leaves. Nyx materialized beside Rory, their form a swirl of shadow given shape. Their violet eyes, faintly glowing, scanned the surroundings. "Every nook of this place is drenched in enchantment," Nyx whispered, their voice like the wind coaxing secrets from the trees. Rory felt the
weight
y silence of the grove press upon her. Every wildflower and blade of grass
seemed to
hum with a watchful energy. The air was sweet with the perfume of blooming jasmine and the musk of damp earth. She touched the faintly glowing Heartstone pendant around her neck, feeling the comforting pulse of its warmth against her skin. As the group ventured deeper, the atmosphere turned dreamlike. Shafts of sunlight pierced the leafy canopy, creating columns of golden light interspersed with
dancing
motes of dust. Time drifted, languid as honey, and Rory could not gauge how long they had been walking. Hours? Minutes? It didn’t
seem to
matter. Isolde paused by a grove of lavender whose blossoms were a deeper,
otherworldly
hue. She knelt and whispered to the flowers, their petals vibrating in response as if acknowledging an old friend. "The Grove whispers of your quest," she said, her pale lavender eyes locking onto Rory’s. "It commends your bravery." "Bravery’s got nothing to do with it. Necessity, maybe," Rory replied, an edge of wry humor in her voice. Despite her attempt at nonchalance, she couldn’t shake the sense of awe that had wrapped around her since they entered. The impossibility of the place, its
surreal
beauty, worked its way into her bones. Nyx drifted toward an ancient cherry blossom tree. Its petals were silvery, almost metallic, and they fell in slow motion, floating like feathers caught in a gentle breeze. They extended a shadowy hand, watching as the petals
seemed to
waft through it, undeterred by their incorporeal nature. "The continuity here, it’s... beautiful," they murmured, a rare note of melancholy threading their voice. Isolde
seemed to
hear the
unspoken
undercurrents. She turned, her gaze softening—odd for a face so ageless. "This is a
sanctuary
, but it is not without its trials," she said, tapping the ground
lightly
with her bare foot. "The Fae do not easily forgive intrusion, even if my exile commands some respect." Rory frowned, more at herself than at Isolde. This place
was teeming
with life, with magic—somehow it felt wrong to be here, like they were intruders in a sacred space. Yet she couldn’t turn back now. Too much rested on their journey. Amidst the wildflowers, a peculiar sight drew their attention: a sarsen stone, grooved and pitted with age, its surface adorned with strange runes that
seemed to
shift when not directly looked at. Rory stepped closer, trying to read them; the characters eluded her comprehension,
dancing
away whenever her eyes sought to pin them down. Nyx slipped beside her, their presence a comforting shadow. "Ancient marks. Wards against unwanted presence, I think. It protects this place from casual wanderers." Isolde nodded approvingly. "The Fae Grove is a living entity, protective and capricious. Those unwelcomed would find themselves hopelessly lost." The deeper they went, the more
surreal
the landscape became. Giant mushrooms towered like parasols, their caps bioluminescent in hues of emerald and sapphire. Velvet moss cushioned their steps while the air itself
seemed to
shimmer with unseen currents. In the distance, Rory caught a
flicker
of light—fireflies, or perhaps something else, moving with purpose rather than random flits. She gestured to the others and
started to
ward the illumination. Nyx moved seamlessly through the underbrush, their form melding with the deepening shadows. "Stay close. The boundaries are treacherous." They reached an open glade dominated by a pool of
crystalline
water. Floating above it
were glowing
orbs, each casting a different spectrum of light. They moved in a slow, deliberate
dance
, seemingly aware of their presence. Rory felt drawn to them, as if they
were communicating
something vital without words. Isolde stepped to the pool's edge, her reflection rippling across its surface. "These are memory
echoes
—remnants of souls who’ve passed through the Veil. Each light contains a fragment of their essence." Rory stared, mesmerized. The lights
seemed to
pulse in time with her heartbeat. A sudden sense of connection washed over her, a deep understanding of the lives those lights represented. "It's... beautiful," she whispered, her voice barely audible. A low rustle interrupted her reverie. Nyx stiffened, their form solidifying in an instant. "We’re not alone." Isolde remained calm, but her
eyes narrowed
. "Do not be alarmed. The guardians of the Grove make themselves known only to those they deem worthy." From the shadowed trees, figures emerged—tall,
ethereal
beings whose features were a blend of human and something far older. Their skin
shimmered
like moonlight; their eyes were dark, inscrutable pools. They moved with a fluid grace, barely disturbing the flowers beneath their feet. One stepped forward, their gaze locked on Rory. "Trespassers we usually expel, but you are... different," the guardian spoke, their voice a harmonic chord that
resonated
in Rory's chest. "We’re here seeking passage and gui
dance
," Rory found herself replying, feeling a deep need to justify their presence to these ancient entities. The guardian nodded
slowly
, as if considering. "The Grove speaks of you. The Heartstone you bear has marked you as a seeker of paths." Nyx lingered at Rory's side, subtly protective. "Her journey crosses realms. She needs the wisdom of the Grove." Isolde dipped her head in agreement. "She seeks balance, as does the Grove. Perhaps her path aligns with our own." The guardian regarded them all for a moment longer before stepping aside. "Then proceed, seekers. The Grove will watch, and aid, as it sees fit. Do not stray from your path." With that cryptic benediction, the guardians melted back into the forest, their forms lost among the shifting shadows. Rory took a deep, steadying breath, feeling a
weight
lift from her shoulders. They had
been acknowledged
, accepted—at least for now. Isolde resumed her lead, her
ethereal
presence a guiding light through the
otherworldly
landscape. Nyx floated beside Rory, their violet eyes thoughtful. "The Grove has accepted your quest. This is no small gift." Rory allowed herself a small, hopeful smile. "Then we’d better not waste it," she said, gripping the Heartstone pendant with renewed determination. The path ahead remained uncertain, but for the first time in a long while, Rory felt
a flicker of hope
. They were not alone in their journey. The Grove, with its ancient wisdom and watchful presence, had become an ally, and that meant everything in a world where the veil between realms grew thinner by the day.
created_at
"2026-02-17T02:20:02.202336+00:00"
2/17/2026, 2:20:02 AM
model
"openai/gpt-4o-2024-05-13"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
392
moderation_latency
(null)
generation_time
13783
tokens_prompt
1590
tokens_completion
1933
native_tokens_prompt
1533
native_tokens_completion
1609
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.0318
router
(null)
provider_responses
0
id
"chatcmpl-DA4yhvp4CLfsFIJ8yJ3NPHHQNy7DD"
status
200
is_byok
false
latency
371
endpoint_id
"3d6584e7-a2bb-48d6-903d-24e3d90e7e55"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-4o-2024-05-13"
api_type
"completions"
id
"gen-1771294787-D1MXbOvLSebAaQEHZE5M"
upstream_id
"chatcmpl-DA4yhvp4CLfsFIJ8yJ3NPHHQNy7DD"
total_cost
0.0318
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
66.6667%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
10
adverbTagCount
2
adverbTags
0
"she said, tapping the ground lightly with her bare foot [lightly]"
1
"she whispered, her voice barely audible [barely]"
83.4300%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1207
totalAiIsmAdverbs
2
found
0
adverb
"lightly"
count
1
1
adverb
"slowly"
count
1
highlights
0
"lightly"
1
"slowly"
100.0000%
AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
100.0000%
AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
0.0000%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1207
totalAiIsms
26
found
0
word
"ethereal"
count
2
1
word
"crystalline"
count
1
2
word
"sanctuary"
count
1
3
word
"enigmatic"
count
1
4
word
"sentinels"
count
1
5
word
"resonated"
count
1
6
word
"flicker"
count
2
7
word
"shimmered"
count
1
8
word
"glided"
count
1
9
word
"cascading"
count
1
10
word
"otherworldly"
count
2
11
word
"surreal"
count
2
12
word
"loomed"
count
1
13
word
"velvet"
count
1
14
word
"unspoken"
count
1
15
word
"weight"
count
1
16
word
"dance"
count
1
17
word
"dancing"
count
2
18
word
"footfall"
count
1
19
word
"amidst"
count
1
20
word
"echoes"
count
1
highlights
0
"ethereal"
1
"crystalline"
2
"sanctuary"
3
"enigmatic"
4
"sentinels"
5
"resonated"
6
"flicker"
7
"shimmered"
8
"glided"
9
"cascading"
10
"otherworldly"
11
"surreal"
12
"loomed"
13
"velvet"
14
"unspoken"
15
"weight"
16
"dance"
17
"dancing"
18
"footfall"
19
"amidst"
20
"echoes"
66.6667%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
2
maxInWindow
2
found
0
label
"eyes widened/narrowed"
count
1
1
label
"flicker of emotion"
count
1
highlights
0
"eyes narrowed"
1
"a flicker of hope"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
78
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
9
narrationSentences
78
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"seem to"
2
"started to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
91
matches
(empty)
63.7415%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
32
mean
37.5
std
13.99
cv
0.373
sampleLengths
0
58
1
45
2
41
3
60
4
50
5
51
6
53
7
62
8
52
9
42
10
54
11
24
12
20
13
39
14
30
15
19
16
51
17
31
18
38
19
17
20
25
21
43
22
29
23
22
24
24
25
18
26
20
27
31
28
39
29
33
30
22
31
57
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
1
totalSentences
78
matches
0
"been acknowledged"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
3
totalVerbs
164
matches
0
"was teeming"
1
"were glowing"
2
"were communicating"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
974
adjectiveStacks
0
stackExamples
(empty)
adverbCount
35
adverbRatio
0.03593429158110883
lyAdverbCount
18
lyAdverbRatio
0.018480492813141684
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
91
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
91
mean
13.19
std
6.1
cv
0.463
sampleLengths
0
17
1
26
2
15
3
14
4
14
5
17
6
12
7
8
8
21
9
11
10
13
11
16
12
20
13
9
14
18
15
16
16
1
17
1
18
5
19
14
20
18
21
15
22
4
23
19
24
20
25
14
26
8
27
20
28
19
29
15
30
7
31
10
32
21
33
14
34
8
35
22
36
6
37
6
38
32
39
22
40
9
41
15
42
3
43
17
44
10
45
14
46
15
47
20
48
10
49
13
65.5678%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
2
diversityRatio
0.4065934065934066
totalSentences
91
uniqueOpeners
37
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
10
fancyCount
9
fancyTags
0
"she intoned, her voice an enigmatic lilt that seemed to meld with the rustling leaves (intoned, voice seem mold)"
1
"Nyx whispered, their voice like the wind coaxing secrets from the trees (whisper, like coax)"
2
"she said, her pale lavender eyes locking onto Rory’s (say, lock)"
3
"they murmured, a rare note of melancholy threading their voice (murmur, thread)"
4
"she said, tapping the ground lightly with her bare foot (say, tap)"
5
"she whispered, her voice barely audible (whisper)"
6
"the guardian spoke, their voice a harmonic chord that resonated in Rory's chest (speak, resonate)"
7
"Rory found herself replying, feeling a deep need to justify their presence to these ancient entities (find herself, feel feel justify)"
8
"she said, gripping the Heartstone pendant with renewed determination (say, grip)"
79.1807%