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Run: 2026-09-29-01M3P2BEZK9Y58ASTN58086DVE
Run Details
Model:
Claude Sonnet 5.5 (Reasoning)
Test:
Write N of X
Scenario:
50 sentence summary
Duration:
20.2s
Cost:
$0.038262
Provider:
Claude Platform on AWS
Evaluation summary
Score
Evaluator
Details Link
100.00%
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 sits at a polished bar in Sunset Cove, drumming his fingers to the lazy steel drum music. A salty breeze ruffles his carefully styled hair and carries the smell of coconut sunscreen and grilled seafood. The tropical resort is a far cry from Wall Street, and his body struggles to adjust to the forced relaxation. His shoulders, normally tight from million-dollar deals, don't know what to do with themselves. He checks his watch and sees that it is 6:30 PM. In New York, he would be heading into a late meeting. He orders another scotch, neat. A melodic laugh drifts over the bar as the bartender asks whether he's had a rough day at the beach. Jack looks up and meets eyes that put the tropical waters to shame. Her amused smile contrasts with the judgmental stares he is used to in New York. He remarks that he doesn't see how anyone gets work done there. She replies that this is exactly the point, since nobody does. Jack insists that some people have empires to build. She counters that some people are happy with sandcastles, which are more fun to knock down anyway. Her whisper brings the scent of vanilla and sea salt around him. A reluctant smile tugs at his lips as he reads her name tag and learns she is Sandy. He introduces himself as Jack Harper. Sandy teases that he sticks out like a penguin at a flamingo party. Jack loosens his tie, suddenly aware of how out of place he looks. He explains that he is there on business for a corporate retreat, though he questions his CEO's choice of location. Sandy spins a pineapple like a basketball and guesses he is a concrete-jungle type who is all go and no slow. Jack argues that the numbers don't lie and that time is money. He calls the laid-back place a productivity black hole while surfers laugh their way past the open-air bar. Sandy arches an eyebrow and suggests he is looking at the wrong numbers. She gestures toward the sunset painting the sky in oranges and pinks and asks how much he would pay for that view in New York. Jack looks at the breathtaking scene and admits she has a point. Sandy jokingly asks whether his grand plan is to turn the tiki bars into high-rises. Surprised by how easily she draws him in, Jack jokes that he is there to destroy the town and build a mega-resort. She feigns horror and calls him a monster, saying she thought he was just a handsome face in an overpriced suit. Jack picks up on the word handsome, and she warns him not to let it go to his head. She adds that the bar gets all types, including a man who thought he was a mermaid. Jack leans in toward her and asks what type he is. Sandy studies him so intensely that his pulse quickens. She says he is the kind who needs to loosen his tie and remember how to breathe. Her fingers brush his collar, and he freezes at the casual intimacy. She tells him to dust off the New York still clinging to him if he wants to survive there. Their eyes lock, and the music, laughter, and crashing waves fade into white noise. A loud crash at the other end of the bar breaks the moment, and Sandy slips back into her professional mask. She leaves to deal with someone who has had too many Mai Tais, telling Jack not to work too hard or he might accidentally enjoy himself. Jack watches her navigate the crowd, drawn to her confidence and the way people light up around her. Catching his reflection in the mirror, he sees his loose tie and tousled hair and hardly recognizes himself. His phone buzzes with a message from Marcus asking about the Sinclair account and reminding him why he is there. Reality crashes back, so Jack downs his scotch, straightens his tie, and smooths his hair. He tells himself to focus because he isn't there to flirt with bartenders. As he leaves, he looks back and sees Sandy laughing with a customer, her hair turned to spun gold by the fading sun. He thinks that this could be a problem. On the beach, he faces a choice between the manicured path back to his laptop and reports and the wild, inviting stretch of sand where a couple walks hand in hand and a child shrieks with delight. Another message from Marcus buzzes in, and Jack glances once more at the Tiki Hut, where Sandy is mixing another drink. He tells himself to keep his eyes on the prize and turns left toward the resort, leaving perfect footprints in the sand. Even as he walks away, he can still hear Sandy's laugh and feel her fingers on his collar, sensing that Sunset Cove has more to offer than he bargained for.
created_at
"2026-09-29T07:51:31.069Z"
9/29/2026, 7:51:31 AM
model
"anthropic/claude-sonnet-5.5-20260928"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
3517
moderation_latency
(null)
generation_time
20162
tokens_prompt
1768
tokens_completion
1886
native_tokens_prompt
2486
native_tokens_completion
3329
native_tokens_completion_images
(null)
native_tokens_reasoning
1825
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"end_turn"
service_tier
"default"
usage
0.038262
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer
(null)
request_id
"req-1790668291-RR8gBiVADuVZxBPCJM2H"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1790668291-03d14LEUhM3L42FvJEUG"
upstream_id
"msg_011CfXNDmaeTECfXFe7i14cX"
provider_responses
0
endpoint_id
"99aaad94-923b-4fc1-b763-271ed5486f7a"
id
"msg_011CfXNDmaeTECfXFe7i14cX"
is_byok
false
latency
752
model_permaslug
"anthropic/claude-sonnet-5.5-20260928"
provider_name
"Claude Platform on AWS"
status
200
total_cost
0.038262
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Claude Platform on AWS"
response_cache_source_id
(null)
data_region
"global"
workspace_id
"97e315e5-d303-487d-83c1-83180e8a13d4"
Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Matches sentence count
n/a
neededClean
false
sentences
50