NC Bench
Overview
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Run: 2026-02-19-01KHTRKB8PFPCBB39XAXAQ4NWJ
Run Details
Model:
GPT-4o, May 13th (temp=0)
Test:
Bad Writing Habits
Scenario:
Horror: alone in an eerie place at night
Duration:
12.2s
Cost:
$0.028930
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
100.00%
Adverbs in dialogue tags
(details)
84.52%
AI-ism adverb frequency
(details)
100.00%
AI-ism character names
(details)
100.00%
AI-ism location names
(details)
0.00%
AI-ism word frequency
(details)
100.00%
Cliché density
(details)
100.00%
Emotion telling (show vs. tell)
(details)
0.00%
Filter word density
(details)
100.00%
Gibberish response detection
(details)
100.00%
Markdown formatting overuse
(details)
100.00%
Missing dialogue indicators (quotation marks)
(details)
100.00%
Name drop frequency
(details)
18.42%
Narrator intent-glossing
(details)
100.00%
"Not X but Y" pattern overuse
(details)
100.00%
Overuse of "that" (subordinate clause padding)
(details)
92.93%
Paragraph length variance
(details)
95.04%
Passive voice overuse
(details)
100.00%
Past progressive (was/were + -ing) overuse
(details)
100.00%
Em-dash & semicolon overuse
(details)
100.00%
Purple prose (modifier overload)
(details)
100.00%
Repeated phrase echo
(details)
100.00%
Sentence length variance
(details)
37.04%
Sentence opener variety
(details)
33.00%
Adverb-first sentence starts
(details)
45.74%
Pronoun-first sentence starts
(details)
4.55%
Subject-first sentence starts
(details)
0.00%
Subordinate conjunction sentence starts
(details)
71.43%
Technical jargon density
(details)
0.00%
Useless dialogue additions
(details)
0.00%
Dialogue tag variety (said vs. fancy)
(details)
69.4227%
Overall
Model input
System
You are an expert fiction writer. Always keep the following rules in mind: - Write in past tense and use General English spelling, grammar, and colloquialisms/slang. - Write in active voice - Always follow the "show, don't tell" principle. - Avoid adverbs and cliches and overused/commonly used phrases. Aim for fresh and original descriptions. - Convey events and story through dialogue. - Mix short, punchy sentences with long, descriptive ones. Drop fill words to add variety. - Skip "he/she said said" dialogue tags and convey people's actions or face expressions through their speech - Avoid mushy dialog and descriptions, have dialogue always continue the action, never stall or add unnecessary fluff. Vary the descriptions to not repeat yourself. - Put dialogue on its own paragraph to separate scene and action. - Reduce indicators of uncertainty like "trying" or "maybe" When writing text: - NEVER conclude the scene on your own, follow the beat instructions very closely. - NEVER end with foreshadowing. - NEVER write further than what I prompt you with. - AVOID imagining possible endings, NEVER deviate from the instructions. - STOP EARLY if the continuation contains what was required in the instructions. You do not need to fill out the full amount of words possible.
User/Human
Take into account the following glossary of characters/locations/items/lore... when writing your response: <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> Continue the story using the following instructions: <instructions> 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. </instructions>
Model response
Messages
Meta
AI
Aurora Carter stood at the
edge of The Fae Grove, the ancient oak standing stones
looming
like silent
sentinels
in the moonlight.
The air felt thick, almost
tangible
, as if the grove itself
was breathing
.
She clutched the Heartstone Pendant
around her neck, its faint
warmth
a small comfort against the
chill
that crept up her spine.
She had come here for
a reason, though the specifics eluded her in the haze of the night.
Eva had mentioned something about
the grove, something important, but the details were fuzzy. Rory took a deep breath, her breath visible in the cold air, and stepped forward, crossing the threshold marked by the standing stones.
The moment she entered, the
world
seemed to
shift.
The wildflowers that bloomed year-round
glowed faintly, their colors more vibrant than any she had seen in the daylight.
The trees whispered secrets in
a language she couldn't understand, their leaves rustling in a breeze that didn't touch her skin.
Time moved differently here, she
knew that much
, but the disorientation was immediate and unsettling.
She walked deeper into the
grove, her
footsteps
muffled by the soft, mossy ground.
The pendant pulsed gently against
her chest, a
rhythmic
reminder
of its presence.
She glanced around, her bright
blue eyes
scanning
the
shadows that seemed to dance just out of reach
.
The grove was beautiful, but
there was an undercurrent of wrongness that she couldn't shake. A twig snapped behind her, and she whirled around, her heart
pounding
. Nothing.
Just the trees and the
flowers, swaying
gently
as if mocking her
.
She shook her head, trying
to dispel the unease that gnawed at her. "Get a grip, Rory,"
she muttered to herself, her
voice sounding small and fragile in the vastness of the grove.
She continued walking, her senses
on high alert.
The sounds of the night
seemed amplified here—the rustle of leaves, the distant hoot of an owl, the soft murmur of a stream she couldn't see
. But there were other sounds too, sounds that didn't belong.
A faint whispering, like voices
carried on the wind, and the occasional rustle of something moving just out of sight. Rory's grip on the pendant tightened. She had faced danger before, but this was different. This was an ancient, primal fear, the kind that made her want to turn and run. But she couldn't.
She had come here for
a reason, and she needed to see it through. As she walked, the grove
seemed to
close in around her. The trees grew denser, their branches intertwining to form a canopy that blocked out the moonlight. The darkness was almost complete, broken only by the faint glow of the wildflowers and the soft light emanating from the Heartstone Pendant. She stumbled over a root, catching herself just in time.
Her heart raced, and she
took a moment to steady herself. "Focus,"
she whispered, her voice barely
audible.
She couldn't afford to lose
her nerve now. A sudden gust of wind swept through the grove, carrying with it a low, mournful wail. Rory froze, her blood turning to ice. The sound was unlike anything she had ever heard, a mix of sorrow and
anger that seemed to resonate deep within her
.
She turned slowly, her eyes
wide with fear. There, at the edge of her vision, something moved. A shadow, darker than the night, flitted between the trees.
She blinked, and it was
gone.
Her breath came in shallow
gasps, and she forced herself to move, to keep going.
She couldn't let the fear
paralyze her. The whispering grew louder, more insistent.
It seemed to come from
all around her, a
cacophony
of voices that made her head spin.
She pressed her hands to
her ears, trying to block out the sound, but it was no use. The voices were inside her head,
echoing
in her mind. "Rory,"
they whispered, her name distorted
and twisted. "Rory, come to us." She shook her head violently, trying to clear her thoughts. "No,"
she said, her voice trembling
. "I won't." The pendant
pulsed
more urgently, its
warmth
a
stark
contrast to the cold that seeped into her bones. She clung to it like a lifeline, drawing strength from its presence. She had to keep moving, had to find whatever it was that had brought her here. The grove
seemed to
stretch on forever, an endless maze of trees and shadows. She had lost all
sense of
direction, her only guide the faint glow of the pendant. The wrongness pressed in on her, a suffocating
weight
that made it hard to breathe. She stumbled again, this time falling to her knees. The ground was cold and damp, and she
could feel
the
chill
seeping through her clothes. She looked up, her eyes searching the darkness for any sign of hope. And then she saw it. A faint light, flickering in the distance. It was small, barely more than a glimmer, but it was enough. She pushed herself to her feet, her legs trembling, and started towards it. The light grew brighter as she approached, revealing a small clearing in the heart of the grove. In the center of the clearing stood a stone altar, ancient and weathered. The light came from a single candle, its flame
dancing
in the breeze. Rory stepped into the clearing, her eyes fixed on the altar. The pendant
pulsed
in time with her heartbeat, its glow matching the candle's flame. She felt a strange
sense of
calm wash over her, the fear receding like a tide. She approached the altar, her
footsteps
slow and deliberate. The whispering had stopped, replaced by a heavy
silence
that
seemed to
hang in the air. She reached out, her fingers brushing the surface of the stone. The moment she touched it, a surge of energy coursed through her. The pendant flared brightly, its
warmth
spreading through her body. She gasped, her eyes widening in shock. And then she heard it. A voice, clear and strong, speaking directly to her. "Aurora Carter," it said, "you have been chosen." She looked around, but there was no one there. The voice
seemed to
come from the altar itself, resonating in her mind. "Chosen for what?"
she asked, her voice barely more than a whisper
. "To protect the balance," the voice replied. "To guard the boundary between worlds." She shook her head, confusion and fear warring within her. "I don't understand." "You will," the voice said. "In time, you will." The light from the candle
flickered
, and the pendant's glow
began to
fade. The energy that had surged through her ebbed away, leaving her feeling drained and exhausted. She stepped back from the altar, her mind reeling. The grove
seemed to
shift around her, the trees and shadows blurring together. She felt a pull, a gentle tug that guided her back the way she had come. She followed it, her steps unsteady. The whispering had returned, but it was softer now, almost soothing. The wrongness that had plagued her
was gone
, replaced by a
sense of
purpose. As she crossed the threshold of the standing stones, the world shifted again. The night air was crisp and clear, the moonlight bright and reassuring. She took a deep breath, the
familiar
scents of Richmond Park grounding her. She looked back at the grove, the ancient oaks standing silent and still. The pendant around her neck was cool now, its glow barely visible. She touched it
gently
, a small smile playing on her lips.
She had come here for
a reason, and she had found it. The fear and uncertainty were still there, but they
were tempered
by a
newfound
resolve
. She had a purpose now, a mission. And she would see it through.
created_at
"2026-02-19T10:54:42.971Z"
2/19/2026, 10:54:42 AM
model
"openai/gpt-4o-2024-05-13"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
347
moderation_latency
(null)
generation_time
12058
tokens_prompt
1038
tokens_completion
1898
native_tokens_prompt
917
native_tokens_completion
1623
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
0.02893
router
(null)
provider_responses
0
endpoint_id
"3d6584e7-a2bb-48d6-903d-24e3d90e7e55"
id
"chatcmpl-DAvy74H3418neCl5FJGlDbNGk96Mz"
is_byok
false
latency
347
model_permaslug
"openai/gpt-4o-2024-05-13"
provider_name
"OpenAI"
status
200
api_type
"completions"
id
"gen-1771498482-RU3MbKMdd1tpn4PoqOPq"
upstream_id
"chatcmpl-DAvy74H3418neCl5FJGlDbNGk96Mz"
total_cost
0.02893
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
8
adverbTagCount
0
adverbTags
(empty)
dialogueSentences
13
tagDensity
0.615
leniency
1
rawRatio
0
effectiveRatio
0
84.52%
AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount
1292
totalAiIsmAdverbs
4
found
0
adverb
"gently"
count
3
1
adverb
"slowly"
count
1
highlights
0
"gently"
1
"slowly"
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)
wordCount
1292
totalAiIsms
34
found
0
word
"looming"
count
1
1
word
"sentinels"
count
1
2
word
"tangible"
count
1
3
word
"warmth"
count
3
4
word
"chill"
count
2
5
word
"footsteps"
count
2
6
word
"pulsed"
count
3
7
word
"rhythmic"
count
1
8
word
"reminder"
count
1
9
word
"scanning"
count
1
10
word
"dance"
count
1
11
word
"pounding"
count
1
12
word
"raced"
count
1
13
word
"cacophony"
count
1
14
word
"echoing"
count
1
15
word
"stark"
count
1
16
word
"sense of"
count
3
17
word
"weight"
count
1
18
word
"could feel"
count
1
19
word
"dancing"
count
1
20
word
"silence"
count
1
21
word
"whisper"
count
1
22
word
"flickered"
count
1
23
word
"familiar"
count
1
24
word
"newfound"
count
1
25
word
"resolve"
count
1
highlights
0
"looming"
1
"sentinels"
2
"tangible"
3
"warmth"
4
"chill"
5
"footsteps"
6
"pulsed"
7
"rhythmic"
8
"reminder"
9
"scanning"
10
"dance"
11
"pounding"
12
"raced"
13
"cacophony"
14
"echoing"
15
"stark"
16
"sense of"
17
"weight"
18
"could feel"
19
"dancing"
20
"silence"
21
"whisper"
22
"flickered"
23
"familiar"
24
"newfound"
25
"resolve"
100.00%
Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.00%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
1
narrationSentences
103
matches
0
"e with fear"
0.00%
Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount
0
hedgeCount
11
narrationSentences
103
filterMatches
(empty)
hedgeMatches
0
"seemed to"
1
"started to"
2
"began to"
100.00%
Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences
108
gibberishSentences
0
adjustedGibberishSentences
0
longSentenceCount
0
runOnParagraphCount
0
giantParagraphCount
0
wordSaladCount
0
repetitionLoopCount
0
controlTokenCount
0
maxSentenceWordsSeen
27
ratio
0
matches
(empty)
100.00%
Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans
0
markdownWords
0
totalWords
1290
ratio
0
matches
(empty)
100.00%
Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions
8
unquotedAttributions
0
matches
(empty)
100.00%
Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions
13
wordCount
1249
uniqueNames
8
maxNameDensity
0.32
worstName
"Rory"
maxWindowNameDensity
1
worstWindowName
"Rory"
discoveredNames
Carter
1
Fae
1
Grove
1
Heartstone
2
Pendant
2
Richmond
1
Park
1
Rory
4
persons
0
"Carter"
1
"Pendant"
2
"Rory"
places
0
"Fae"
1
"Grove"
2
"Heartstone"
3
"Richmond"
4
"Park"
globalScore
1
windowScore
1
18.42%
Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences
95
glossingSentenceCount
5
matches
0
"shadows that seemed to dance just out of reach"
1
"as if mocking her"
2
"seemed amplified here—the rustle of leaves, the distant hoot of an owl, the soft murmur of a stream she couldn't see"
3
"anger that seemed to resonate deep within her"
4
"silence that seemed to hang in the air"
100.00%
"Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches
0
per1kWords
0
wordCount
1290
matches
(empty)
100.00%
Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount
1
totalSentences
108
matches
0
"knew that much"
92.93%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
36
mean
35.83
std
17.03
cv
0.475
sampleLengths
0
57
1
55
2
64
3
60
4
58
5
64
6
48
7
50
8
36
9
53
10
47
11
51
12
12
13
18
14
46
15
45
16
38
17
37
18
43
19
41
20
36
21
29
22
14
23
8
24
22
25
12
26
13
27
13
28
9
29
28
30
38
31
31
32
38
33
36
34
34
35
6
95.04%
Passive voice overuse
Target: ≤2% passive sentences
passiveCount
3
totalSentences
103
matches
0
"was gone"
1
"was gone"
2
"were tempered"
100.00%
Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount
1
totalVerbs
218
matches
0
"was breathing"
100.00%
Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount
1
semicolonCount
0
flaggedSentences
1
totalSentences
108
ratio
0.009
matches
0
"The sounds of the night seemed amplified here—the rustle of leaves, the distant hoot of an owl, the soft murmur of a stream she couldn't see."
100.00%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1251
adjectiveStacks
0
stackExamples
(empty)
adverbCount
45
adverbRatio
0.03597122302158273
lyAdverbCount
16
lyAdverbRatio
0.012789768185451638
100.00%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
108
echoCount
0
echoWords
(empty)
100.00%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
108
mean
11.94
std
5
cv
0.418
sampleLengths
0
22
1
13
2
22
3
18
4
14
5
23
6
9
7
19
8
21
9
15
10
14
11
13
12
18
13
15
14
12
15
1
16
12
17
13
18
20
19
8
20
26
21
10
22
20
23
6
24
9
25
16
26
3
27
14
28
11
29
16
30
23
31
10
32
11
33
7
34
8
35
16
36
7
37
22
38
8
39
9
40
10
41
6
42
15
43
7
44
6
45
17
46
18
47
10
48
8
49
4
37.04%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
14
diversityRatio
0.2222222222222222
totalSentences
108
uniqueOpeners
24
33.00%
Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount
1
totalSentences
101
matches
0
"Just the trees and the"
ratio
0.01
45.74%
Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount
44
totalSentences
101
matches
0
"She clutched the Heartstone Pendant"
1
"She had come here for"
2
"She walked deeper into the"
3
"She glanced around, her bright"
4
"She shook her head, trying"
5
"she muttered to herself, her"
6
"She continued walking, her senses"
7
"She had faced danger before,"
8
"She had come here for"
9
"She stumbled over a root,"
10
"Her heart raced, and she"
11
"she whispered, her voice barely"
12
"She couldn't afford to lose"
13
"She turned slowly, her eyes"
14
"She blinked, and it was"
15
"Her breath came in shallow"
16
"She couldn't let the fear"
17
"It seemed to come from"
18
"She pressed her hands to"
19
"they whispered, her name distorted"
ratio
0.436
4.55%
Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount
92
totalSentences
101
matches
0
"Aurora Carter stood at the"
1
"The air felt thick, almost"
2
"She clutched the Heartstone Pendant"
3
"She had come here for"
4
"Eva had mentioned something about"
5
"Rory took a deep breath,"
6
"The moment she entered, the"
7
"The wildflowers that bloomed year-round"
8
"The trees whispered secrets in"
9
"Time moved differently here, she"
10
"She walked deeper into the"
11
"The pendant pulsed gently against"
12
"She glanced around, her bright"
13
"The grove was beautiful, but"
14
"A twig snapped behind her,"
15
"She shook her head, trying"
16
"she muttered to herself, her"
17
"She continued walking, her senses"
18
"The sounds of the night"
19
"A faint whispering, like voices"
ratio
0.911
0.00%
Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount
0
totalSentences
101
matches
(empty)
ratio
0
71.43%
Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences
70
technicalSentenceCount
7
matches
0
"The air felt thick, almost tangible, as if the grove itself was breathing."
1
"The wildflowers that bloomed year-round glowed faintly, their colors more vibrant than any she had seen in the daylight."
2
"The trees whispered secrets in a language she couldn't understand, their leaves rustling in a breeze that didn't touch her skin."
3
"She shook her head, trying to dispel the unease that gnawed at her."
4
"The pendant pulsed more urgently, its warmth a stark contrast to the cold that seeped into her bones."
5
"The wrongness pressed in on her, a suffocating weight that made it hard to breathe."
6
"She felt a pull, a gentle tug that guided her back the way she had come."
0.00%
Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags
8
uselessAdditionCount
4
matches
0
"she whispered, her voice barely audible"
1
"they whispered, her name distorted and twisted"
2
"she said, her voice trembling"
3
"she asked, her voice barely more than a whisper"
0.00%
Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags
8
fancyCount
3
fancyTags
0
"she muttered (mutter)"
1
"she whispered (whisper)"
2
"they whispered (whisper)"
dialogueSentences
13
tagDensity
0.615
leniency
1
rawRatio
0.375
effectiveRatio
0.375
69.4227%