NC Bench
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Run: 2026-02-18-01KHQ91ND7PGM9YPAZ4YKGZTGE
Run Details
Model:
Claude Sonnet 4.6
Test:
Write N of X
Scenario:
50 sentence summary
Duration:
19.5s
Cost:
$0.023520
Provider:
Amazon Bedrock
Evaluation summary
Score
Evaluator
Details Link
0.00%
Matches sentence count
(details)
Model input
User/Human
Summarize the following text into exactly 50 sentences, only return the summary itself: Jack Harper's fingers drummed against the polished bar top, the rhythm a stark contrast to the lazy steel drum music floating through the air. The salty breeze ruffled his meticulously styled hair, carrying the scent of coconut sunscreen and grilled seafood. Sunset Cove was a far cry from Wall Street, and his body knew it. His shoulders, usually tight with the weight of million-dollar deals, didn't know what to do with this forced relaxation. He glanced at his watch. 6:30 PM. In New York, he'd be heading into a late meeting, not... whatever this was. "Another scotch. Neat." A melodic laugh floated over the bar noise. "Rough day at the beach?" Jack's head snapped up, his gaze colliding with a pair of eyes that put the tropical waters to shame. The bartender's lips curved in amusement, a stark contrast to the judgmental stares he was accustomed to in New York. "I don't see how anyone gets any work done around here." "That's the point." She slid the scotch towards him, her movements fluid and unhurried. "We don't." Jack's fingers closed around the glass, but he didn't lift it. "Some of us have empires to build." "And some of us are happy with sandcastles." She leaned forward, her voice dropping to a conspiratorial whisper. The scent of vanilla and sea salt enveloped him. "They're more fun to knock down anyway." A reluctant smile tugged at Jack's lips. His gaze dropped to her name tag. "Sandy, right?" "Good eye, Mr..." "Harper. Jack Harper." "Well, Mr. Harper, what brings a suit like you to our little slice of paradise? You stick out like a penguin at a flamingo party." Jack loosened his tie, suddenly aware of how out of place he must look. "Business. Though I'm starting to question my CEO's choice of location for our corporate retreat." Sandy grabbed a pineapple from a nearby fruit bowl, spinning it in her hands like a basketball. "Let me guess. You're more of a concrete jungle type? All go, no slow?" "The numbers don't lie. Time is money, and this place..." He waved his hand at the laid-back patrons, the swaying palm trees, the endless stretch of golden sand visible through the open-air bar. A pair of surfers trudged past, boards under their arms, laughing about something he couldn't hear. "It's a productivity black hole." Sandy's eyebrow arched, a challenge sparking in her eyes. "Maybe you're looking at the wrong numbers." "Excuse me?" She set the pineapple down and gestured towards the horizon. The setting sun painted the sky in brilliant oranges and pinks, its light dancing off the waves. "How much would you pay for that view in New York?" Jack's gaze followed her hand, lingering on the breathtaking canvas nature had laid out. *Damn*. "Point taken." "So, Jack Harper, master of the universe, what's your grand plan for Sunset Cove domination? Going to turn our little tiki bars into high-rises?" He chuckled, surprised by how easily she drew him in. There was something about her – a spark, a quick wit that both challenged and intrigued him. "Would you believe me if I said I was here to destroy your quaint little town and build a mega-resort?" Sandy's eyes widened in mock horror. She pressed a hand to her chest, her expression comically aghast. "You monster. And here I thought you were just another handsome face in an overpriced suit." "Handsome, huh?" "Don't let it go to your head. We get all types here." She grabbed a cocktail shaker, her hands moving with practiced ease as she mixed a drink for another customer. "Last week we had a guy who thought he was a mermaid. Now *that* was a look." Jack leaned in, mirroring her earlier movement. The bar's bamboo edge dug into his stomach, but he barely noticed. "And what type am I?" Sandy paused, studying him with an intensity that made his pulse quicken. "The kind that needs to loosen his tie and remember how to breathe." She reached out, her fingers brushing his collar. Jack froze, caught off guard by the casual intimacy. "You've got a bit of New York still clinging to you. Might want to dust that off if you plan on surviving here." Their eyes locked, a challenge sparked between them. Jack felt a flutter in his chest that had nothing to do with the scotch. For a moment, the bar faded away. The music, the laughter, the crash of waves on the shore – it all became white noise. A loud crash from the other end of the bar shattered the moment. Sandy straightened, professional mask sliding back into place. "Duty calls. Looks like someone's had a few too many Mai Tais." "Wait-" Jack started, not ready for the conversation to end. Sandy glanced back, a mischievous glint in her eye. "Try not to work too hard, Mr. Harper. You might accidentally enjoy yourself." She sauntered away, navigating the crowded bar with ease. Jack watched her go, drawn to the confidence in her stride, the way other patrons lit up as she passed. *What the hell just happened?* He turned back to the bar, catching his reflection in the mirrored backsplash. His tie hung loose, his usually perfectly coiffed hair tousled by the sea breeze. He hardly recognized himself. His phone buzzed, shattering the moment. A message from Marcus flashed on the screen: "Update on the Sinclair account? Don't forget why you're there, Harper." Reality came crashing back. Jack downed the rest of his scotch, the expensive liquor wasted on his suddenly dry throat. He stood, straightening his tie and smoothing back his hair. *Focus, Harper. You're not here to flirt with bartenders.* But as he walked out, the warm wood of the deck creaking under his polished shoes, he couldn't help glancing back. Sandy stood behind the bar, laughing at something a customer said. The fading sunlight caught her hair, turning it to spun gold. *This could be a problem.* The ocean breeze hit him as he stepped onto the beach, carrying away the last notes of the bar's music. Jack paused, his shoes sinking slightly into the sand. To his left, the neatly manicured path led back to the resort – back to his laptop, his reports, his familiar world of numbers and deals. To his right, the beach stretched out, wild and inviting. A few people lingered, silhouetted against the darkening sky. A couple walked hand in hand at the water's edge. A child's delighted shriek carried on the wind as they chased the retreating waves. Jack's phone buzzed again. Another message from Marcus. He looked back at the Tiki Hut. Through the windows, he could just make out Sandy's profile as she mixed another drink. *Get it together, Harper. Eyes on the prize.* With a final glance at the sunset, Jack turned left, his shoes leaving perfectly formed imprints in the sand as he headed back to his room. But even as he walked away, he could still hear Sandy's laugh, could still feel the ghost of her fingers against his collar. Sunset Cove, it seemed, had more to offer than he'd bargained for.
Model response
Messages
Meta
AI
Jack Harper, a high-powered New York CEO, sits at a beachside tiki bar in Sunset Cove, visibly out of place. His polished appearance contrasts sharply with the laid-back tropical atmosphere surrounding him. He orders scotch neat, his usual Wall Street habits following him on what should be a relaxing retreat. The salty breeze and steel drum music do little to ease the tension in his shoulders. He checks his watch, noting it is the time he would normally be heading into a late meeting back home. His thoughts are interrupted by a melodic laugh from behind the bar. He looks up to find a bartender with striking eyes and an amused smile. She slides his drink toward him with unhurried, fluid movements. Their conversation begins immediately with a playful exchange about work and relaxation. She challenges his driven mindset with effortless wit and confidence. Jack finds himself unexpectedly drawn to her sharp intelligence. Her name tag reads Sandy, and she wastes no time pointing out how out of place he looks. She compares him humorously to a penguin at a flamingo party. Jack admits he is there for a corporate retreat, though he questions his CEO's choice of location. Sandy spins a pineapple in her hands while teasing him about his obsession with productivity. He defends himself by insisting time is money, gesturing at what he sees as a productivity black hole. Sandy challenges him to reconsider what he values by pointing to the breathtaking sunset on the horizon. The sky blazes with oranges and pinks, its light shimmering across the ocean waves. Jack reluctantly concedes her point, momentarily silenced by the view. She playfully accuses him of planning to demolish the town and build a mega-resort. He plays along, joking that she has guessed his grand scheme correctly. Sandy responds with exaggerated mock horror, pressing a hand to her chest dramatically. She calls him a monster before adding that he is a handsome one. Jack catches her compliment, and she quickly dismisses it with humor. She shares an anecdote about a man who believed he was a mermaid the previous week. The story draws out a genuine, reluctant smile from Jack. He leans in and asks what type of person she thinks he is. Sandy studies him with surprising intensity before responding thoughtfully. She tells him he is the kind who needs to loosen his tie and remember how to breathe. She reaches out and brushes her fingers against his collar casually. Jack freezes, caught entirely off guard by the unexpected intimacy. Their eyes meet, and something unspoken crackles between them. The bar noise fades around them as the moment stretches. Jack feels a flutter in his chest entirely unrelated to the scotch he has been drinking. A loud crash from the other end of the bar breaks the spell abruptly. Sandy straightens immediately, her professional composure snapping back into place. She tells him duty calls before walking away to handle the situation. Jack calls after her, not ready for the conversation to end so soon. She glances back with a mischievous glint and tells him not to work too hard. She suggests he might accidentally enjoy himself if he is not careful. Then she disappears into the crowd, navigating the busy bar with ease. Jack watches her go, admiring the confidence evident in every step she takes. Other patrons visibly brighten as she passes them along the bar. He turns back and catches his own reflection in the mirrored backsplash behind the bottles. His tie hangs loose and his hair is tousled by the sea breeze. He barely recognizes the man staring back at him. His phone buzzes sharply, shattering whatever spell had settled over him. A message from his colleague Marcus demands an update on the Sinclair account. Marcus reminds him bluntly not to forget the reason he is there. Reality crashes back around Jack like a cold wave. He downs the rest of his scotch and straightens his tie mechanically. He smooths his hair back into place and reminds himself to stay focused. As he walks out, the warm wooden deck creaks beneath his polished shoes. He cannot stop himself from glancing back one final time toward the bar. Sandy stands laughing with a customer, the fading sunlight catching her hair like spun gold. He mutters to himself that this could become a problem. The ocean breeze greets him as he steps onto the beach outside. His shoes sink slightly into the warm sand beneath him. To his left lies the neat path back to the resort and his waiting laptop. To his right stretches the wild, open beach glowing under the darkening sky. A couple walks hand in hand at the water's edge in the distance. A child's delighted shriek carries on the wind as they chase the retreating waves playfully. Jack's phone buzzes again with another message from Marcus pressing him further. He looks back once more at the Tiki Hut through its glowing windows. He can just make out Sandy's silhouette as she mixes another drink for a customer. He forces himself to look away and turn left toward the resort. His shoes leave perfectly formed imprints in the sand as he walks away. Yet even as he goes, he can still hear the echo of Sandy's laugh in his mind. He can still feel the ghost of her fingers brushing lightly against his collar. Sunset Cove, he realizes, has far more to offer than he had anticipated. Something has shifted inside him, though he cannot yet name exactly what it is.
created_at
"2026-02-18T02:25:31.639673+00:00"
2/18/2026, 2:25:31 AM
model
"anthropic/claude-4.6-sonnet-20260217"
app_id
182717
external_user
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streamed
true
cancelled
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latency
753
moderation_latency
174
generation_time
19269
tokens_prompt
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tokens_completion
1373
native_tokens_prompt
1760
native_tokens_completion
1216
native_tokens_completion_images
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native_tokens_reasoning
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native_tokens_cached
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num_media_prompt
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num_input_audio_prompt
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num_media_completion
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num_search_results
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origin
"https://ncbench.com/"
is_byok
false
finish_reason
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native_finish_reason
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usage
0.02352
router
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provider_responses
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id
"9005cb8b-dfab-4cbe-b730-565834150036"
status
200
is_byok
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latency
753
endpoint_id
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provider_name
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model_permaslug
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api_type
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id
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total_cost
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cache_discount
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upstream_inference_cost
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provider_name
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Evaluation details
Result
Evaluator
Details
Meta Data
0.00%
Matches sentence count
n/a
neededClean
false
sentences
71