NC Bench
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Run: 2026-02-17-01KHMQE6P4AJN8W8473W8W98W2
Run Details
Model:
GPT-4.1 Nano
Test:
Bad Writing Habits
Scenario:
Fantasy: entering an ancient ruin
Duration:
11.3s
Cost:
$0.000683
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
They stepped through the ancient oak standing stones, the air immediately changing as if reality itself had shivered. Aurora Carter’s bright blue
eyes widened
slightly
—the moment was colder than expected, yet somehow imbued with an unnatural warmth that prickled along her skin. The world beyond the stones was unsettling,
otherworldly
. Time felt different here, a strange slow pulse that made the slightest movement seem deliberate and heavy. Nyx moved first, their shadow form rippling like dark water in the windless air. The faint violet glow of their eyes
flickered
as they shifted into a more solid silhouette, their form towering and vague—less a shadow and more a suggestion of darkness made flesh. “Heed my whisper,” Nyx murmured, voice like a soft breeze carrying secrets. Their fingers, if they could be called that, floated through the air, sensing the unfamiliarity of this realm. Aurora hesitated, clutching the Heartstone Pendant that pulsed faintly warm against her chest. She had
been told
few truths about these places, just enough to leave her breathless with
anticipation
and dread. Her hand instinctively brushed the silver chain, feeling the faint warmth of the deep crimson gemstone. The pendant pulsed again, a rhythmic
throb
that
seemed to
echo
the distant, subtle hum of the environment. The landscape stretched before them in impossible ways—an endless expanse of thick, luminescent flora, wildflowers blooming in shades that defied earthly palette: iridescent blues, shimmering golds, and translucent whites that
shimmered
like frost under a strange, amber sky. Trees—ancient, twisted, and draped with trailing vines—groaned
softly
in a breeze that only they
seemed to
feel. The air smelled faintly of exotic, spiced fruit and something darker, primal. Isolde Varga’s silver hair
shimmered
as she stepped
cautiously
ahead, her pale lavender eyes
flicker
ing with intrigue and caution. She was silent—always silent—her
footsteps
leaving no trace on the mossy ground. The Fae Grove had not prepared her for this. “The boundary,” she whispered to herself, voice like the wind through hollow branches. “Unfolds in shadows... and
echo
es of pleasure, and peril.” Their eyes roved over the environment, each sense heightened, alert to danger and beauty alike. Aurora’s gaze fixed on a cluster of alien blossoms, their petals fluttering even without wind, somehow alive in a way that made her skin crawl. Their textures
shimmered
hesitantly
, as if they were barely contained beneath the surface of this world’s fragile veneer. Nyx’s shadowy form rippled again, and they crouched, fingers reaching toward a strange,
crystalline
growth protruding from the ground—a jagged shard glowing with internal light,
flicker
ing like a heartbeat. Their voice, a whisper on the wind, brief and cryptic: “Energies woven tight here, threads of old magic and new chaos.” Aurora shivered, drawing the Fae-Forged Blade from her coat—a slender, moonlit sliver of moonsilver, cold to the touch as always but oddly comforting in her palm. She had no illusions about what awaited them deeper in, but her instincts fired—sharp and insistent. The shadows darted at the edges of her vision, as if her own doubts sought to cling to her. They moved forward, their feet sinking
softly
into a pool of bioluminescent moss that
shimmered
with their every step. The glow cast strange, shifting shadows that danced, elongating and contracting like living things. Aurora reached out, fingertips brushing a thick vine that
seemed to
pulse beneath her touch. Its leaves were thick and rubbery, mottled with streaks of iridescence—almost like veins of molten glass. Suddenly, a faint hum began, vibrating through the ground itself. Not uncomfortable, but enough to raise her hackles. Aurora’s mind stirred with questions she knew she shouldn’t ask aloud—the dissonance here was
palpable
, a
symphony
of ancient power and unseen secrets. She kept her voice calm, voice
barely above a whisper
. “Feels like the Veil is thin here.” Nyx nodded silently, shadows lengthening and contracting in response to some unseen rhythm. The being of living shadow
seemed to
sense the imbalance—a ripple in the fabric of this realm—and their faint glow brightened minutely. “The boundary shifts,” they whispered, voice like wind slipping through cracks in stone. “The farther we go, the less tethered this realm becomes.” A sudden
flicker
caught Aurora’s eye. Shadowy wisps coiled among the flora, like tendrils seeking something—perhaps her. She tightened her grip on the blade, her knuckles white. Her instincts flared. “We should move,” she said
softly
, voice steady but cautious. “We’re not alone here.” The moss beneath her feet squelched as they pressed on. The landscape continued to shift—bizarre, spectacular, and unnatural. Some of the trees
seemed to
bend in impossible angles, their bark mottled with luminescent markings that twisted in the dim light, hinting at histories not meant for mortal eyes. Her gaze
flickered
upward as she caught the faint shimmer of something beyond the horizon—a structure, half-hidden by shadows but unmistakably deliberate. A ruin, perhaps, or the residue of something ancient and powerful. It called to her as much as it warned. “Stay alert,” she murmured, voice barely more than a breath. Her fingers lingered on the hilt of her blade, feeling the faint pulse of the Heartstone beneath her skin. The air thickened, electric with
anticipation
and
foreboding
—an almost
tangible
weight
pressing against her mind. And then, in the distance, a faint, haunting melody drifted—a chorus of voices,
ethereal
and distant. It beckoned with promises of secrets, of truths buried beneath layers of time and shadow. Aurora felt her stomach tighten, a mixture of awe and unease. Nyx’s shadow leaned forward, listening with an intent that went beyond hearing. Their whisper, finally: “The story here isn’t finished. Not yet.” The landscape stretched on, alien and wondrous, as they advanced into its shifting heart. Every step drew them further into the unknown—toward the edges of things they could only
begin to
understand. And yet, beneath it all, a faint sense of familiarity lurked—the recognition that whatever awaited lay just beyond the veil of their perception, waiting to be unveiled.
created_at
"2026-02-17T02:39:11.217346+00:00"
2/17/2026, 2:39:11 AM
model
"openai/gpt-4.1-nano-2025-04-14"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
495
moderation_latency
(null)
generation_time
8837
tokens_prompt
1590
tokens_completion
1642
native_tokens_prompt
1533
native_tokens_completion
1325
native_tokens_completion_images
0
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
"completed"
usage
0.0006833
router
(null)
provider_responses
0
id
"resp_04a271d31bc85d1e016993d4c5ce008194bf7d329b0b495bad"
status
200
is_byok
false
latency
237
endpoint_id
"9251cee5-5503-4be9-9439-7ae21ff062a3"
provider_name
"OpenAI"
model_permaslug
"openai/gpt-4.1-nano-2025-04-14"
api_type
"completions"
id
"gen-1771295941-NYJKWfOC2mC8yHOEiZN9"
upstream_id
"resp_04a271d31bc85d1e016993d4c5ce008194bf7d329b0b495bad"
total_cost
0.0006833
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
0.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
5
adverbTagCount
2
adverbTags
0
"she said softly, voice steady but cautious [softly]"
1
"she murmured, voice barely more than a breath [barely more]"
20.7136%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1009
totalAiIsmAdverbs
8
found
0
adverb
"cautiously"
count
1
1
adverb
"hesitantly"
count
1
2
adverb
"slightly"
count
1
3
adverb
"softly"
count
3
4
adverb
"suddenly"
count
1
5
adverb
"barely above a whisper"
count
1
highlights
0
"cautiously"
1
"hesitantly"
2
"slightly"
3
"softly"
4
"suddenly"
5
"barely above a whisper"
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
1009
totalAiIsms
21
found
0
word
"palpable"
count
1
1
word
"tangible"
count
1
2
word
"ethereal"
count
1
3
word
"crystalline"
count
1
4
word
"symphony"
count
1
5
word
"throb"
count
1
6
word
"flickered"
count
2
7
word
"flicker"
count
1
8
word
"shimmered"
count
4
9
word
"foreboding"
count
1
10
word
"otherworldly"
count
1
11
word
"anticipation"
count
2
12
word
"weight"
count
1
13
word
"footsteps"
count
1
14
word
"echo"
count
1
15
word
"echoes"
count
1
highlights
0
"palpable"
1
"tangible"
2
"ethereal"
3
"crystalline"
4
"symphony"
5
"throb"
6
"flickered"
7
"flicker"
8
"shimmered"
9
"foreboding"
10
"otherworldly"
11
"anticipation"
12
"weight"
13
"footsteps"
14
"echo"
15
"echoes"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
1
maxInWindow
1
found
0
label
"eyes widened/narrowed"
count
1
highlights
0
"eyes widened"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
60
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
6
narrationSentences
60
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"begin to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
64
matches
(empty)
21.6704%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
18
mean
54.83
std
12.38
cv
0.226
sampleLengths
0
67
1
75
2
66
3
67
4
62
5
58
6
50
7
61
8
64
9
58
10
58
11
44
12
48
13
42
14
44
15
42
16
22
17
59
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
1
totalSentences
60
matches
0
"been told"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
0
totalVerbs
157
matches
(empty)
90.8368%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
948
adjectiveStacks
0
stackExamples
(empty)
adverbCount
44
adverbRatio
0.046413502109704644
lyAdverbCount
23
lyAdverbRatio
0.024261603375527425
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
64
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
64
mean
15.42
std
6.78
cv
0.44
sampleLengths
0
18
1
24
2
8
3
17
4
14
5
31
6
12
7
18
8
13
9
19
10
16
11
18
12
38
13
17
14
12
15
19
16
12
17
9
18
13
19
9
20
15
21
25
22
18
23
29
24
21
25
26
26
16
27
19
28
19
29
14
30
15
31
16
32
10
33
8
34
23
35
10
36
7
37
13
38
22
39
13
40
10
41
6
42
11
43
10
44
3
45
10
46
4
47
10
48
8
49
30
53.1250%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
6
diversityRatio
0.375
totalSentences
64
uniqueOpeners
24
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
5
fancyCount
5
fancyTags
0
"Nyx murmured, voice like a soft breeze carrying secrets (murmur, like carry)"
1
"she whispered to herself, voice like the wind through hollow branches (whisper like)"
2
"they whispered, voice like wind slipping through cracks in stone (whisper, slip crack)"
3
"she said softly, voice steady but cautious (say softly, voice)"
4
"she murmured, voice barely more than a breath (murmur, voice barely more)"
69.7850%