NC Bench
Overview
About
Tests
Models
Vendors
Run: 2026-02-17-01KHMPADW107BXSENJQE6T9ZNZ
Run Details
Model:
GPT-4o Mini (temp=1)
Test:
Bad Writing Habits
Scenario:
Mystery: examining a crime scene
Duration:
24.5s
Cost:
$0.001010
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="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
The stench of decay
hung thick in the air
, mingling with the musty scent of damp concrete. Detective Harlow Quinn stepped
cautiously
into the shadows of the abandoned Tube station beneath Camden—The Veil Market. Ghostly
echoes
bounced from cracked tiles, remnants of a once-bustling transit hub turned tomb. She tightened her grip on her worn leather
watch
, the pressure soothing a fraying nerve. “Quinn, over here.” The voice of Constable Jamieson broke through the silence. He stood near a tangle of discarded crates and what looked like the remnants of a makeshift shelter. “Show me,” she replied, her own voice steady, the military precision of her bearing allowing no room for fear or hesitation. She crossed the strewn debris, her sharp brown eyes scanning for anything out of place. The body lay sprawled on the ground, an emaciated figure twisted at an unnatural angle. Harlow's brow
furrowed
as she crouched beside the remains. A leather satchel lay open nearby, books spilling out like entrails—a telltale sign of a frantic departure. The person
was dressed
in tattered clothing, no identification in sight, but a dark tattoo of sigils snaked down one arm. “Looks like an occultist,” Jamieson offered, standing back, his expression a mix of curiosity and disgust. “Could be a rival dealer, down here buying enchantments gone bad.” “Let’s not jump to conclusions.” Harlow glanced upwards; the rusted metal supports
loomed
like skeletal fingers, curling toward the ceiling. “What do we know?” “They say the Market shifts location every full moon,” he said, scratching his head. “Could this be involved? I mean, it’s a risky place to operate.” Harlow frowned. “Not likely. Unless they were looking for trouble.” She stood, brushing dirt from her knee, her mind racing through possibilities like a reel of film. Something felt off. She couldn’t define it yet, but instincts honed through eighteen years of service warned her. “Look at the satchel,” she said, redirecting her focus. “Not a dealer’s. A researcher’s.” Jamieson squinted at the open books, their spines cracked and pages yellowing with age. “More of a student than a seller?” “That’s what I’m saying.” Harlow knelt again, her gaze drilling into the scribbled notes and markings. The words flattened on the page showcased elaborate diagrams—none of them related to regular occult pursuits. “Found anything?” Jamieson asked. “Lesser-known rifts.” She pointed to a sketch of interconnected lines and circles, a design suggestive of powerful portals. “Whoever this is, they were searching for something
otherworldly
.” “Must’ve been a risky mission.” Jamieson’s tone shifted, skepticism creeping in. “But how
does that lead
to… this?” He gestured toward the body in disgust. Harlow shook her head. She dug into the pocket of the satchel and pulled out a small brass compass. Etched into its casing were protective sigils; faint patina spoke of age and careful handling. She examined the needle, which swung erratically before finally settling toward the northwest—offbeat but not unheard of. “It’s a Veil Compass,” she muttered. “Crafted by a Shade artisan.” “You think it’s linked to our victim?” “Linked to someone, certainly.” Harlow’s mind raced as she studied the compass. “No one just comes down here without purpose, especially not with a tool like this.” The rustling of leaves—a sudden breeze, perhaps—
echoed
ominously in the distance as if the air itself whispered secrets. Harlow straightened, glancing at Jamieson. Even his
eyes widened
with an unvoiced
apprehension
. “We need to look closer.” She turned, stepping further down the corridor where unyielding darkness
seemed to
take a firmer grasp. “Quinn! Wait!” Jamieson called after her, but she was already moving, propelled by an unseen force. The thrill of chasing shadows consumed her, and the whisper of the compass urged her forward. Her
footsteps
resonated
in the emptiness, the faint glow of her phone's beam slicing through the dark, revealing graffiti-laden walls that morphed into bizarre shapes. Faint glimmers of enchantment sparkled in the cracks—a pulse of energy that told a story only she could half-understand. “Over here…” she murmured, spotting a residue of chalk on the floor, barely visible. She crouched again, tracing the lines with her fingertip. Something had
been drawn
—maybe a sigil, perhaps a ward—but it was incomplete. Who had been here before? “Quinn!” Jamieson caught up, breathless. “I
really
think we should call this in. It’s too dangerous.” “Dangerous?” she
echoed
, stifling an instinct not to scoff. “That body, those notes… whatever’s happening here isn’t wrapping up easily.” She turned back, scanning one last time for anything that could shed light on what she pieced together. “You think this has to do with…” “I think there’s more at play,” she interrupted, her voice low with urgency. “Three years ago, DS Morris died under circumstances we hadn’t fathomed. Whatever is hiding down here could connect to that.” “Last I checked, the case was buried,” he countered, voice rising in disbelief. “Quinn, we don’t know the full picture.” “And that’s the problem, isn’t it?” She straightened, resolve threading through her posture like steel. “We need answers, not assumptions.” The compass twitched in her hand, its needle now fixed in a determined direction. Harlow strode into the deeper shadows, the faint glow ahead hinting at something more. In the distance, she could hear whispers—too soft to decipher but laced with urgency. She could feel Mike’s presence beyond that wall of darkness, almost
tangible
in the charged air. “Are you serious?” Jamieson pressed, half incredulous, half terrified. “What if this is a trap?” “A trap for what?” Harlow shot back, her thoughts racing. “There’s no one here but us. Trust me, I won’t go in unprepared.” She let her instincts guide her, tapping into her memories of Morse's laughter, the keen gaze he used to hide his own fears so well. Against all odds, the compass pointed, guiding her further down into the unknown. Harlow held on
tightly
, determination replaced with a fierce sense of purpose. Whispers cocooned her, weaving a narrative of warnings and secrets, and she arrived at a new threshold, one she would cross before the world—or her own heart—folded away. “Stay alert,” she murmured as they edged deeper, adrenaline sparking in her veins. She didn’t know what lay ahead, but the air
shimmered
with the thrill of discovery, the ghost of her past urging her to unearth whatever lay dormant in the dark.
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
12
adverbTagCount
0
adverbTags
(empty)
71.8574%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1066
totalAiIsmAdverbs
3
found
0
adverb
"cautiously"
count
1
1
adverb
"tightly"
count
1
2
adverb
"really"
count
1
highlights
0
"cautiously"
1
"tightly"
2
"really"
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
1066
totalAiIsms
12
found
0
word
"tangible"
count
1
1
word
"resonated"
count
1
2
word
"shimmered"
count
1
3
word
"otherworldly"
count
1
4
word
"loomed"
count
1
5
word
"apprehension"
count
1
6
word
"furrowed"
count
1
7
word
"footsteps"
count
1
8
word
"echoed"
count
2
9
word
"echoes"
count
1
10
word
"etched"
count
1
highlights
0
"tangible"
1
"resonated"
2
"shimmered"
3
"otherworldly"
4
"loomed"
5
"apprehension"
6
"furrowed"
7
"footsteps"
8
"echoed"
9
"echoes"
10
"etched"
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
"hung in the air"
count
1
highlights
0
"eyes widened"
1
"hung thick in the air"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
63
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
1
hedgeCount
1
narrationSentences
63
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
1
totalSentences
77
matches
0
"does that lead"
94.7561%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
34
mean
30.91
std
14.89
cv
0.482
sampleLengths
0
63
1
30
2
36
3
62
4
27
5
24
6
26
7
45
8
14
9
21
10
32
11
4
12
27
13
25
14
51
15
11
16
7
17
27
18
31
19
21
20
32
21
44
22
40
23
16
24
38
25
7
26
33
27
20
28
34
29
44
30
15
31
48
32
53
33
43
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
63
matches
0
"was dressed"
1
"been drawn"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
0
totalVerbs
143
matches
(empty)
94.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
809
adjectiveStacks
1
stackExamples
0
"lay open nearby, books"
adverbCount
28
adverbRatio
0.034610630407911
lyAdverbCount
8
lyAdverbRatio
0.009888751545117428
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
77
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
77
mean
13.65
std
6.66
cv
0.488
sampleLengths
0
17
1
17
2
14
3
15
4
12
5
18
6
21
7
15
8
15
9
9
10
17
11
21
12
16
13
11
14
20
15
4
16
14
17
12
18
2
19
25
20
3
21
15
22
9
23
5
24
14
25
7
26
16
27
16
28
4
29
18
30
9
31
11
32
14
33
4
34
15
35
15
36
17
37
6
38
5
39
7
40
12
41
15
42
18
43
5
44
8
45
21
46
16
47
16
48
25
49
19
100.0000%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
0
diversityRatio
0.6233766233766234
totalSentences
77
uniqueOpeners
48
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
12
fancyCount
10
fancyTags
0
"she replied, her own voice steady, the military precision of her bearing allowing no room for fear or hesitation (reply, bear)"
1
"Jamieson offered, standing back, his expression a mix of curiosity and disgust (offer, stand back, disgust)"
2
"he said, scratching his head (say, scratch)"
3
"she said, redirecting her focus (say, redirect)"
4
"she muttered (mutter)"
5
"murmured (murmur)"
6
"she interrupted, her voice low with urgency (interrupt)"
7
"he countered, voice rising in disbelief (counter, voice rising)"
8
"pressed (pressed)"
9
"she murmured as they edged deeper, adrenaline sparking in her veins (murmur edge spark)"
83.9577%