NC Bench
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Run: 2026-02-17-01KHMRB45TMZV318EHSVYA9FQD
Run Details
Model:
MoonshotAI: Kimi K2.5
Test:
Bad Writing Habits
Scenario:
Horror: alone in an eerie place at night
Duration:
17.4s
Cost:
$0.007560
Provider:
BaseTen
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
Messages
Meta
AI
Rory stood at the treeline, her breath clouding in the October air, and watched the standing stones breathe. She told herself it was the wind. Richmond Park had wind enough for ten cities, tearing across the grasslands to rattle the ancient oaks. But the stones—massive things, weathered gray and older than the park, older perhaps than the city—didn't rattle. They expanded. Contracted. A slow, tidal rhythm that matched the pulse of the pendant resting against her sternum. The Heartstone was warm. Not the gentle warmth of skin against silver, but a fever-heat, throbbing in time with her heartbeat. It had started three days ago, a faint tickle as she’d climbed the stairs to her flat above Silas’ bar, and had grown steadily since—a compass needle swinging toward
magnetic
north, if north were a place that existed sideways from the world. Rory touched the crescent scar on her left wrist, a habit when her nerves frayed. The old wound itched, as it always did before rain, though the sky above the park was clear and star-pricked. She should turn back. The sensible thing—the Cardiff thing, her mother’s voice whispered—was to return to the flat, brew tea, and pretend she hadn’t felt the pendant’s insistent tug leading her through the park’s western gate at midnight. But Rory had not been sensible since she’d fled London’s East End six months ago, since she’d packed a single bag and left Evan sleeping in their bed, his fists finally still. She had
learned that the
world was wider than the corridors of escape routes, and stranger than the Pre-Law textbooks she’d abandoned in Cardiff. The pendant had come to her a week after her arrival—a delivery to the restaurant, Yu-Fei’s Golden Empress, with no return address, only her name written in a script that
seemed to
shift when she looked away. She stepped into the clearing. The standing stones ringed a space no larger than her flat’s sitting room, seven oaks transmuted to stone, their bark petrified into ripples and whorls. Between them, wildflowers bloomed in defiance of the season—bluebells and foxgloves and something white and star-
shaped that Rory
didn’t recognize, their petals open to the dark. The air smelled of pollen and ozone, like the moment before lightning strikes. The pendant flared, hot enough to burn. Rory gasped, clutching it through her jacket. The silver chain hummed against her fingers, resonating with a note she felt in her teeth. The standing stones
were singing
—not audible sound, but pressure, a subsonic thrum that vibrated in her scar, her ribs, the hollow of her throat. She was not alone. The realization came not as thought but as instinct, the primate recognition of predator in the brush. Rory went still, her breath shallow. The wildflowers had stopped swaying. The wind had died. In the absolute silence, she heard something shift behind the nearest stone—a
footfall
on grass, the whisper of fabric against bark. She turned,
slowly
. Nothing. Only the stone, its surface pitted and ancient, casting a shadow that pointed the wrong way. The moon was behind her; the shadow should have stretched toward the clearing’s center. Instead, it reached sideways, pooling against the base of the opposite stone like spilled ink. Rory’s hand went to her pocket, finding her phone. Dead. She’d charged it before leaving, had checked the battery at ninety-four percent, but now the screen remained black, unresponsive as a river stone. She
tried to
remember what time she’d entered the park—twelve-fifteen, perhaps twelve-twenty—but the numbers felt slippery, wrong. She had been walking for twenty minutes, surely, but the moon hadn’t moved. The stars held their positions with artificial stillness. The flowers
were watching
. She caught it from the corner of her eye—the white star-shaped blooms turning, their faces tracking her movement as she stepped backward toward the treeline. Not the wind. The wind had not returned. They moved with purpose, with intention, petals adjusting like lenses focusing. Rory ran. She bolted for the gap between two stones, the way she’d entered, her boots pounding the soft earth. The pendant bounced against her chest,
searing
hot, the crimson gem glowing now with a light of its own, red as arterial blood. Behind her, the flowers rustled, a sound like whispering, like laughter. She reached the stones and stopped. The gap
was gone
. Where there had been an opening wide enough for three men walking abreast, the standing stones now pressed shoulder-to-shoulder, their ancient surfaces fused, bark-texture merging into a solid wall of petrified wood. Rory touched the stone—cold now, cold as deep winter, the singing silenced. Trapped. She turned, her back against the unyielding stone. The clearing had changed. The wildflowers had grown, stems thickening, reaching waist-high, their white faces turned toward her in unison. The shadows between the stones deepened, pooling into darkness that drank the starlight. And in the darkness, something moved. It wore her face. Rory saw it clearly for one heartbeat—her own features, her black hair, her bright blue eyes—stretched across a form that stood too tall, joints bending wrong, skin that rippled like water. It smiled with her mouth, and the crescent scar on its left wrist glowed silver. Then the flowers closed their petals, and the darkness rushed in, and Rory
understood that the
standing stones were not a boundary to keep the Fae out, but a cage to keep something older, hungrier, and infinitely more patient from leaving. The pendant burned against her heart, a final warning, as the thing that wore her face stepped into the starlight.
created_at
"2026-02-17T02:55:04.69082+00:00"
2/17/2026, 2:55:04 AM
model
"moonshotai/kimi-k2.5-0127"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
191
moderation_latency
(null)
generation_time
17325
tokens_prompt
812
tokens_completion
2852
native_tokens_prompt
755
native_tokens_completion
2369
native_tokens_completion_images
(null)
native_tokens_reasoning
1375
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
0.00756
router
(null)
provider_responses
0
id
"chatcmpl-15624cde65624a8bbfe28ffa6676ff21"
status
200
is_byok
false
latency
191
endpoint_id
"6b68e10a-44e0-4815-9b96-52f34335f83d"
provider_name
"BaseTen"
model_permaslug
"moonshotai/kimi-k2.5-0127"
api_type
"completions"
id
"gen-1771296886-LhL04pPjLDbg3f9qJPVo"
upstream_id
"chatcmpl-15624cde65624a8bbfe28ffa6676ff21"
total_cost
0.00756
cache_discount
(null)
upstream_inference_cost
0
provider_name
"BaseTen"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
0
adverbTagCount
0
adverbTags
(empty)
89.4515%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
948
totalAiIsmAdverbs
1
found
0
adverb
"slowly"
count
1
highlights
0
"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)
68.3544%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
948
totalAiIsms
3
found
0
word
"searing"
count
1
1
word
"magnetic"
count
1
2
word
"footfall"
count
1
highlights
0
"searing"
1
"magnetic"
2
"footfall"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
66
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
2
narrationSentences
66
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"tried to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
3
totalSentences
66
matches
0
"learned that the"
1
"shaped that Rory"
2
"understood that the"
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
26
mean
35.42
std
26.98
cv
0.762
sampleLengths
0
18
1
59
2
63
3
73
4
93
5
5
6
64
7
7
8
47
9
4
10
53
11
3
12
46
13
71
14
4
15
44
16
2
17
52
18
6
19
48
20
1
21
47
22
4
23
46
24
41
25
20
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
1
totalSentences
66
matches
0
"was gone"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
2
totalVerbs
152
matches
0
"were singing"
1
"were watching"
88.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
949
adjectiveStacks
2
stackExamples
0
"white star-shaped blooms"
1
"reaching waist-high, their"
adverbCount
23
adverbRatio
0.02423603793466807
lyAdverbCount
8
lyAdverbRatio
0.008429926238145416
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
66
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
66
mean
13.95
std
10.34
cv
0.741
sampleLengths
0
18
1
7
2
17
3
17
4
2
5
1
6
15
7
4
8
17
9
42
10
15
11
20
12
4
13
34
14
32
15
24
16
37
17
5
18
25
19
26
20
13
21
7
22
7
23
16
24
24
25
4
26
17
27
6
28
5
29
4
30
21
31
3
32
1
33
16
34
14
35
15
36
9
37
1
38
23
39
17
40
13
41
8
42
4
43
25
44
3
45
5
46
11
47
2
48
18
49
23
40.9091%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
8
diversityRatio
0.3181818181818182
totalSentences
66
uniqueOpeners
21
100.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
0
fancyCount
0
fancyTags
(empty)
93.3362%