NC Bench
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Run: 2026-02-17-01KHMME8GDK8PQZHBYH8P1D9A2
Run Details
Model:
Cohere Command R+ (Aug. 2024)
Test:
Bad Writing Habits
Scenario:
Romance: separated couple reunites
Duration:
59.2s
Cost:
$0.025573
Provider:
Cohere
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="4415" name="Lucien Moreau" aliases="Lucien, Luc, the Frenchman" pronouns="he/him" species="Half-Demon" storyRole="Ally"> <eyeColor>heterochromatic — one amber, one black</eyeColor> <hair>slicked-back platinum blond</hair> <height>5'11"</height> <age>32</age> <cane>ivory-handled cane that conceals a thin blade</cane> <dress>tailored charcoal suits</dress> <description>An impeccably dressed fixer and information broker in London's supernatural underworld. He speaks four languages fluently.</description> <backstory>Born in Marseille to a human mother and a demon father from the realm of Avaros.</backstory> </character> <location id="858" name="Eva's Flat" aliases="Eva's place, the flat on Brick Lane" realm="Earth"> <cat>tabby cat named Ptolemy</cat> <security>three deadbolts on the front door</security> <description>A cramped one-bedroom flat above a curry house on Brick Lane, East London. Every surface is covered with books, scrolls, and research notes.</description> </location> </codex> Write a fully fleshed out scene of at least 1000 words in the romance genre. Two people who parted on complicated terms are forced together again when one shows up unannounced at the other's flat. There's history between them — attraction, hurt, and things left unsaid. Write the scene from the moment the door opens. 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 familiar three clicks of the locks—an electronic chirp, a decisive snap, and a whirring clang—
echoed
through the narrow corridor, resonating with the thud of
footsteps
up the stairs. Eva, predictably, had failed to update her entry codes in far too long. Rory Carter gripped the handle of the cherry red teapot
etched
with gold motifs, a parting gift from a customer a lifetime ago. Her fingers found the warmth from the kettle beneath soothing. She had promised tea, and she would deliver, no matter how chaotic her mind felt with the news she'd received. In the pit of her stomach, she felt an unsettling mix of excitement and dread—as if every sinew and muscle memory in her being
was gearing
up for a fight, but her mind was still trying to catch up with this new reality. She took a deep, deliberate breath. Lucien was here; all the more reason to put her guard up. As the doorknob turned, she pasted on her brightest smile, prepared to perform the role of the amicable hostess, to fulfill her duty and then bid him adieu. After all, that's what she'd done for him the last time they'd met. No more, no less. The door swung open, revealing Lucien Moreau. His appearance had always struck an ideal balance between refined and rakish charm. And there he stood, every bit the epitome of unassuming danger on Brick Lane. He filled the threshold, his presence a substantial barrier against the dimly lit landing, his tailored charcoal suit
gleaming
in the hushed silence. His amber-black gaze
flicked
toward her, an amused
glint
in his eye. "Rory," he drawled in his smooth Gallic accent. He closed the door
gently
behind him, a
calculated
motion in
stark
contrast to the flamboyance of his reputation. Then, with
calculated
nonchalance, he twirled the worn ivory cane between his fingers, his movements almost hypnotic. His voice dropped an octave, full of mock concern, "You've been avoiding my calls. I thought our agreement entitled me to regular updates." Rory turned her head
sharply
, meeting his gaze. She noted the soft lines of concern, an emotion not often gracing his features, tempered by the wry curve of his lips. His eyes always held such severity and mystery, like the dark, impenetrable brume of the French countryside in winter. "Lucien," she said, her voice even. Taking a cautious step forward, she held out the teapot. "I thought you might need this." He took the proffered pot, his fingers grazing against hers, sending an alarming thrill up her arm. He raised a sardonic eyebrow. "My dear Aurora, you wound me. I am French; my survival depends on it. But we both know the subtle nuances of tea culture have always eluded me." "You do know the language," she countered, placing the kettle on the table with a faint clatter. "And besides, this is no time for pleasantries." His pursed lips hinted at disappointment, the momentary
glint
of humor gone. His voice took on a sharp edge, "Then, I surmise, you have news?" "We do," she confirmed, her voice steady. "We've been digging, and I might have something." Lucien leaned against the wall, his eyes never leaving her. "Tell me." Rory took a seat on the sofa, her hands folded in her lap, and recounted the details of her recent discoveries. The brunt of the research had been a labor of love for Eva—pages upon pages of curling parchment, her tireless dedication illuminated by the soft glow of the reading lamp. Aurora, ever the pragmatist, had kept the files on her phone, accessible with a mere flick of her thumb. She outlined the recent findings, connecting the ancient tomes to modern events, weaving a tale of ancient magic. Every word
was weighed
and considered, a rare introspective moment for Rory, often lost in the fervor of action. As she spoke, Lucien remained still, his inscrutable gaze fixed upon her, absorbing every piece of information. His silence spoke volumes, his thoughts a mystery lurking under the surface of those heterochromatic eyes. When she finished, he stood, his expression
unreadable
. "Impressive," he said, his tone containing a hint of warmth. "You two have been busy. And you came to me first. Why?" Rory rose, uneasy under his scrutiny. "We could use your... expertise." She avoided his stare, the scars of the past still raw, even after all this time. "And well, you've got the connections we lack, the means to find what we're looking for." His stance remained relaxed, his expression one of guarded interest. "I see. And in return?" She took a deep breath, "Just... make sure it's dealt with properly." "No promises, Aurora, but I'll do my best." His eyes twinkled, the ghost of a smile playing on his lips. "Now, this all sounds exhausting. Might I suggest a drink?" "Sure," Rory said, surprised at how readily she agreed, the knot in her chest loosening at his suggestion. She led him to the kitchenette, Ptolemy weaving between their legs, his tail brushing her jeans. "I don't know what this place has, but Eva won't let us go thirsty." A comfortable quiet settled between them as they scanned the bottles lining the cabinets. His nervous energy—always
simmering
just beneath the surface, buoying even the most innocuous conversation—had seemingly vanished, melting away like spun sugar in hot tea. "She's
really
something, you know," Lucien said, his voice
tinged
with a hint of sentimentality. "Your friend Eva. Always up for a challenge." "Yeah, she doesn't back down." Rory smiled, an unexpected easiness falling over her. "She'd cheerfully beat someone to a pulp for you if you asked." He chuckled, a rich, warm sound, and selected a bottle of vintage single malt, a relic of better days past. "Yes, I've always appreciated her... enthusiasm." As he pulled down two glasses, Rory noticed his arm, the well-tailored sleeve exposing a glimpse of his bare forearm. The complex lines of a tattoo curled around his wrist—a hidden map, a mystery waiting to be decoded. Something about that
intricate
ink, so
carefully
concealed,
echoed
uncomfortably with her own well-hidden scars—each a reminder of a mistake, a misstep, a moment when life took an unanticipated turn. He noticed her gaze, his eyes flashing at the realization. "I take it you're curious?" She flushed, embarrassed at
being caught
staring. "Not that it's any of my business." "But it is, isn't it?" Lucien said, his tone inviting her to confess. There was a playful challenge in his smile. "You're always wondering what's beneath the surface, aren't you, Aurora? Always trying to peel back the layers." She met his stare, her gaze steady, unafraid. "Always getting more than I bargained for." "Ah, and yet here you are." He finished pouring the drinks and handed her a glass. "Cheers." They clinked glasses, the soft sound ringing in the silent room. She took a sip, the warmth of the whisky spreading through her. Lucien's signature spirit, an acquired taste, still
managed to
surprise her with its complexities. It was like the man himself—layered, nuanced, leaving her with a unique appreciation. "I don't know how I put up with your pretentious taste," she joked, her guard lowering with every sip. "You love it," he retorted, not missing a beat. "Admit it." "Nope," she said, shaking her head, a smile playing on her lips. "You're just hard to say no to." "Indeed?" He took a step closer, his cane tapping
softly
against the floor. Rory's heart
fluttered
, the old feeling of attraction resurfacing despite her better judgment. She took a cautious step back, her fingers brushing against Ptolemy's fur. The familiar comfort grounded her. "I'll admit, you're good at what you do, making people do what you want them to do." Lucien leaned in, his breath brushing her neck, sending shivers down her spine. His voice, low and close to her ear, whispered, "Only the people who matter." Rory stiffened, caught between the heat of his breath and the memory of their tumultuous past. She turned, her eyes searching his. "And what am I, Lucien?" He held her gaze, his expression
unreadable
. For a brief, fleeting moment, a
flicker
of vulnerability crossed his face, a flash of emotion she could never quite pinpoint. "You're... special, Aurora. Always have been." The air between them thickened, charged with
unspoken
words and unacknowledged desires. Rory felt a pull toward him, like falling into a vortex of conflicting emotions. She fought the urge, knowing too well the consequences of giving in. With a quick breath, she took a deliberate step backward, breaking the mesmerizing spell. "That's not an answer, Lucien." He smiled, the corner of his eye crinkling in amusement. "You know, for someone who's so clever, you can be incredibly dense at times." Rory's
eyes narrowed
, a mix of frustration and curiosity flashing across her face. "And you, for a charmer, can be remarkably vague." "You've had your way with me twice now, Aurora," he said, his tone teasing. "Perhaps it's time you asked yourself what you
really
want." Rory's heart
fluttered
, her feelings tangled between the familiar attraction and the hurt of past betrayals. She knew the stakes this time—a
dance
with the devil on her own terms, a wicked promise of redemption—but could she trust him? Could she trust herself? "And what do you want, Lucien?" she said, her voice steady, her resolve built on the foundation of scars earned from their shared past. He smiled, his eyes warm despite the mask of charm. "For now, I'd settle for a moment of peace with an old friend." Rory softened, her gaze softening as she assessed him. Her heart, though wary,
began to
yield to the alluring prospect of that reconciliation. "An old friend, huh?" "Old friends call each other by name," he said, his voice a low purr. "Lucien," she acknowledged, her voice a soft whisper. The name hung between them, laden with the
weight
of their shared history and hope for the future. Their eyes locked, holding a silent conversation—a shared understanding that no words could convey. With a tilt of his head, Lucien took a step forward, his fingers curling around hers, a silent invitation, a promise of more. "Shall we?"
created_at
"2026-02-17T01:47:35.251977+00:00"
2/17/2026, 1:47:35 AM
model
"cohere/command-r-plus-08-2024"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
159
moderation_latency
197
generation_time
58917
tokens_prompt
808
tokens_completion
2612
native_tokens_prompt
765
native_tokens_completion
2366
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
0.0255725
router
(null)
provider_responses
0
id
"5bf3210a-e69a-44a3-9b9c-57643476bc8b"
status
200
is_byok
false
latency
159
endpoint_id
"cd63714a-d459-4806-bdf2-0dfea4f6614c"
provider_name
"Cohere"
model_permaslug
"cohere/command-r-plus-08-2024"
api_type
"completions"
id
"gen-1771292795-Bud0eUFL7IcOXn9VADWU"
upstream_id
"5bf3210a-e69a-44a3-9b9c-57643476bc8b"
total_cost
0.0255725
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Cohere"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
19
adverbTagCount
1
adverbTags
0
"Rory said, surprised at how readily she agreed, the knot in her chest loosening at his suggestion [readily]"
65.0553%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1717
totalAiIsmAdverbs
6
found
0
adverb
"carefully"
count
1
1
adverb
"gently"
count
1
2
adverb
"sharply"
count
1
3
adverb
"softly"
count
1
4
adverb
"really"
count
2
highlights
0
"carefully"
1
"gently"
2
"sharply"
3
"softly"
4
"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
1717
totalAiIsms
22
found
0
word
"tinged"
count
1
1
word
"simmering"
count
1
2
word
"flicker"
count
1
3
word
"flicked"
count
1
4
word
"gleaming"
count
1
5
word
"glint"
count
2
6
word
"fluttered"
count
2
7
word
"calculated"
count
2
8
word
"unspoken"
count
1
9
word
"unreadable"
count
2
10
word
"intricate"
count
1
11
word
"stark"
count
1
12
word
"weight"
count
1
13
word
"dance"
count
1
14
word
"footsteps"
count
1
15
word
"echoed"
count
2
16
word
"etched"
count
1
highlights
0
"tinged"
1
"simmering"
2
"flicker"
3
"flicked"
4
"gleaming"
5
"glint"
6
"fluttered"
7
"calculated"
8
"unspoken"
9
"unreadable"
10
"intricate"
11
"stark"
12
"weight"
13
"dance"
14
"footsteps"
15
"echoed"
16
"etched"
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 narrowed"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
98
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
0
hedgeCount
2
narrationSentences
98
filterMatches
(empty)
hedgeMatches
0
"managed to"
1
"began to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
128
matches
(empty)
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
52
mean
32.73
std
21.49
cv
0.657
sampleLengths
0
42
1
114
2
45
3
69
4
67
5
49
6
22
7
50
8
25
9
25
10
15
11
12
12
107
13
41
14
22
15
43
16
15
17
12
18
30
19
48
20
38
21
23
22
25
23
26
24
68
25
15
26
14
27
38
28
15
29
17
30
50
31
19
32
11
33
19
34
13
35
47
36
27
37
27
38
34
39
38
40
19
41
24
42
22
43
24
44
43
45
24
46
23
47
27
48
14
49
8
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
98
matches
0
"was weighed"
1
"being caught"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
1
totalVerbs
211
matches
0
"was gearing"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1335
adjectiveStacks
0
stackExamples
(empty)
adverbCount
38
adverbRatio
0.02846441947565543
lyAdverbCount
9
lyAdverbRatio
0.006741573033707865
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
128
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
128
mean
13.3
std
6.81
cv
0.512
sampleLengths
0
29
1
13
2
23
3
10
4
20
5
43
6
6
7
12
8
28
9
13
10
4
11
7
12
13
13
14
14
23
15
12
16
8
17
19
18
17
19
23
20
8
21
22
22
19
23
6
24
10
25
6
26
17
27
5
28
28
29
17
30
8
31
12
32
13
33
7
34
8
35
10
36
2
37
21
38
30
39
19
40
18
41
19
42
17
43
16
44
8
45
10
46
12
47
6
48
21
49
16
64.0625%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
3
diversityRatio
0.3984375
totalSentences
128
uniqueOpeners
51
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
19
fancyCount
14
fancyTags
0
"he drawled in his smooth Gallic accent (drawl)"
1
"His voice dropped an octave, full of mock concern, (drop)"
2
"she countered, placing the kettle on the table with a faint clatter (counter, place)"
3
"His voice took on a sharp edge, (take on)"
4
"she confirmed, her voice steady (confirm)"
5
"he said, his tone containing a hint of warmth (say, contain)"
6
"She took a deep breath, (take)"
7
"Rory said, surprised at how readily she agreed, the knot in her chest loosening at his suggestion (say, surprise agree, loosen)"
8
"Lucien said, his voice tinged with a hint of sentimentality (say, tinged)"
9
"she joked, her guard lowering with every sip (joke, lower)"
10
"he retorted, not missing a beat (retort, does not miss)"
11
"she said, shaking her head, a smile playing on her lips (say, shake play)"
12
"His voice, low and close to her ear, whispered, (whisper)"
13
"she acknowledged, her voice a soft whisper (acknowledge, voice)"
84.0658%