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Run: 2026-10-08-01M4DAC310NP87FG06HF67PEH3
Run Details
Model:
Claude Haiku 5.5 (Reasoning, Medium)
Test:
Write N of X
Scenario:
50 sentence summary
Duration:
16.0s
Cost:
$0.002264
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 beach bar in Sunset Cove, his fingers drumming on the polished bar top. Steel drum music drifts through the salty air, contrasting sharply with the rhythm of his fingers. The breeze ruffles his carefully styled hair and carries the scent of coconut sunscreen and grilled seafood. Sunset Cove feels nothing like Wall Street, and his body is slow to accept the forced relaxation. His shoulders, usually tense from million-dollar deals, do not know what to do with themselves. He checks his watch and sees it is 6:30 PM. In New York, he would be heading into a late meeting. He orders another scotch, neat. A bartender named Sandy laughs and asks whether he is having a rough day at the beach. Her eyes capture his attention, outshining the tropical waters. Jack says he does not see how anyone gets work done here. Sandy explains that this is exactly the point, because nobody works here. Jack insists that some people have empires to build. Sandy replies that others are content with sandcastles, which are more fun to knock down. Jack gives a reluctant smile and reads her name tag. He introduces himself as Jack Harper. Sandy teases that he stands out like a penguin at a flamingo party. Jack loosens his tie and admits he is there on business. He questions his CEO's choice of location for the corporate retreat. Sandy spins a pineapple in her hands and guesses that he is all go and no slow. Jack calls the laid-back island a productivity black hole, gesturing at the palm trees and golden sand. Sandy challenges him to look at different numbers and points to the sunset. She asks how much he would pay for that view in New York. Jack admits she has a point, struck by the breathtaking sky. Sandy asks about his grand plan for Sunset Cove, wondering if he will turn the tiki bars into high-rises. Jack jokes that he came to destroy the quaint town and build a mega-resort. Sandy presses a hand to her chest in mock horror and calls him a monster. She adds that she had thought he was just another handsome face in an overpriced suit. Jack asks if she finds him handsome. Sandy warns him not to let it go to his head and shares a story about a man who thought he was a mermaid. Jack leans closer and asks what type of man he is. Sandy studies him intently and says he is the kind who needs to loosen his tie and remember how to breathe. She brushes his collar, and Jack freezes at the casual intimacy. She tells him he still carries New York with him and should dust it off to survive here. Their eyes lock, and Jack feels a flutter unrelated to the scotch. The bar fades into white noise around them. A loud crash at the other end of the bar breaks the moment. Sandy straightens, returning to professional composure, and says duty calls. Jack tries to continue the conversation, but she glances back with a mischievous glint. She tells him not to work too hard, because he might accidentally enjoy himself. Jack watches her walk away, drawn to her confidence and the way patrons light up as she passes. He wonders what just happened and turns to see his reflection in the mirrored backsplash. His tie hangs loose, his hair is tousled, and he hardly recognizes himself. His phone buzzes with a message from Marcus about the Sinclair account, reminding him why he is there. Jack downs his scotch, straightens his tie, and smooths his hair. He tells himself he is not there to flirt with bartenders. As he leaves, he glances back and sees Sandy laughing, her hair turned to spun gold by the sunlight. He admits to himself that this could be a problem. On the beach, he pauses between the neat path back to the resort and the wild, inviting shore where couples and a child enjoy the evening. Another message from Marcus arrives, and Jack looks back at the Tiki Hut, glimpsing Sandy mixing a drink before he turns toward his room, still hearing her laugh and feeling the ghost of her fingers on his collar, realizing Sunset Cove has more to offer than he bargained for.
created_at
"2026-10-08T08:34:12.137Z"
10/8/2026, 8:34:12 AM
model
"anthropic/claude-haiku-5.5-20261007"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2606
moderation_latency
(null)
generation_time
16011
tokens_prompt
1768
tokens_completion
1441
native_tokens_prompt
2486
native_tokens_completion
4031
native_tokens_completion_images
(null)
native_tokens_reasoning
2642
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
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origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"end_turn"
service_tier
"default"
usage
0.0022641
router
(null)
user_agent
"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer
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request_id
"req-1791448452-Z0JCQkii4Q4GZ6q3O0So"
session_id
(null)
preset_id
(null)
api_type
"completions"
id
"gen-1791448452-3H1ruF5JoKBQFzpK6daE"
upstream_id
"msg_011CfpTkp3zVtArQR7YUVfjP"
provider_responses
0
endpoint_id
"b6cdf493-3a61-441f-a134-e7944fddb980"
id
"msg_011CfpTkp3zVtArQR7YUVfjP"
is_byok
false
latency
1027
model_permaslug
"anthropic/claude-haiku-5.5-20261007"
provider_name
"Claude Platform on AWS"
status
200
total_cost
0.0022641
cache_discount
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upstream_inference_cost
0
provider_name
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response_cache_source_id
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data_region
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workspace_id
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Evaluation details
Result
Evaluator
Details
Meta Data
100.00%
Matches sentence count
n/a
neededClean
false
sentences
50