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Run: 2026-03-18-01KM09ZF5YY31PAEDKS76YT56A
Run Details
Model:
GPT-5.4 Nano (Reasoning, Low)
Test:
Write N of X
Scenario:
50 sentence summary
Duration:
5.3s
Cost:
$0.001267
Provider:
OpenAI
Evaluation summary
Score
Evaluator
Details Link
53.53%
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 waits at the bar in Sunset Cove, restless despite the tropical setting. The steel drum music and salty breeze clash with his Wall Street mindset. He loosens under the warm air that smells of coconut sunscreen and grilled seafood. His shoulders, used to deal pressure, struggle with true relaxation. He checks his watch and wonders why he is here instead of in New York. He orders another scotch neat, trying to regain control. Sandy, the bartender, teases him with a playful laugh. Jack asks whether anyone can work with this kind of atmosphere. Sandy replies that they do not, implying the whole point is leisure. Jack insists some people have empires to build. Sandy counters that others enjoy sandcastles more than they do productivity. She leans in and suggests that sandcastles are more fun to destroy. Jack finally smiles and asks if her name is Sandy. She answers and welcomes him as “Mr. Harper.” Jack reveals he came for business, questioning his CEO’s retreat choice. Sandy grabs a pineapple and mocks his suit-like mismatch with paradise. Jack complains that the beach feels like a productivity black hole. He gestures at swaying palms, laid-back patrons, and surfers passing by. Sandy challenges his view and claims he is looking at the wrong numbers. She asks how much he would pay for the view in New York. Jack admits she has made her point and concedes the scenery’s value. Sandy then teases him about dominating Sunset Cove for development. Jack jokes that he is here to destroy the town and build a mega-resort. Sandy theatrically calls him a monster for even imagining it. Jack jokes about being handsome in an overpriced suit. Sandy warns him not to let it go to his head. She says they get all types here, including a man who thought he was a mermaid. Jack asks what type he is in her eyes. Sandy says he needs to loosen his tie and remember how to breathe. She brushes his collar, catching him off guard with intimate confidence. Jack freezes as her casual closeness lingers in the moment. He feels a spark that has nothing to do with the scotch. For a moment the bar fades and the waves and laughter become background noise. A loud crash snaps Sandy back into professionalism. She tells him duty calls and that someone has had too many Mai Tais. Jack tries to stop her, but she urges him not to work too hard. She walks away easily, and Jack watches patrons light up around her. He realizes his tie is loosened and his hair tousled, as if he has changed. His phone buzzes with a message from Marcus reminding him why he is really there. Jack downs his scotch, straightens himself, and tries to refocus. As he leaves, he glances back and sees Sandy laughing behind the bar. Sunlight turns her hair gold, deepening his unease. Then he steps onto the beach and pauses between the path to his resort room and the wild shoreline. He receives another message from Marcus, and his mind returns to “the prize.” He turns left and leaves perfect imprints in the sand, but he still feels Sandy’s touch. Sunset Cove, he realizes, has more to offer than he bargained for.
created_at
"2026-03-18T11:06:01.804Z"
3/18/2026, 11:06:01 AM
model
"openai/gpt-5.4-nano-20260317"
app_id
182717
external_user
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streamed
true
cancelled
false
latency
4029
moderation_latency
(null)
generation_time
4628
tokens_prompt
1814
tokens_completion
959
native_tokens_prompt
1555
native_tokens_completion
765
native_tokens_completion_images
0
native_tokens_reasoning
49
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
"completed"
usage
0.00126725
router
(null)
provider_responses
0
endpoint_id
"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id
"resp_01a8f378996eba5a0169ba8719dbb08193a0db8f51077d3145"
is_byok
false
latency
178
model_permaslug
"openai/gpt-5.4-nano-20260317"
provider_name
"OpenAI"
status
200
user_agent
"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer
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api_type
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id
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upstream_id
"resp_01a8f378996eba5a0169ba8719dbb08193a0db8f51077d3145"
total_cost
0.00126725
cache_discount
(null)
upstream_inference_cost
0
provider_name
"OpenAI"
Evaluation details
Result
Evaluator
Details
Meta Data
53.53%
Matches sentence count
n/a
neededClean
false
sentences
45