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In what has already been a busy past few days for new model releases, OpenAI is capping off the week with a research preview of GPT-4.5. The company is touting the new system as its largest and best model for chat yet. In early testing, OpenAI says people found GPT-4.5 to be a more natural conversationalist, with the ability to convey warmth and display a kind of emotional intelligence. In one example shared by OpenAI, a person tells ChatGPT they're going through a hard time after failing a test. Where the company's previous models, including GPT-4o and o3-mini, might commiserate with the individual before offering a long list of unsolicited advice, GPT-4.5 takes a different tact. "Want to talk about what happened, or do you just need a distraction? I'm here either way," the chatbot says when powered by GPT-4.5. The gains shown by GPT-4.5 are the result of advancements OpenAI made in unsupervised learning. With unsupervised learning, a machine learning algorithm is given an unlabeled data set and left to its own devices to find patterns and insights. GPT-4.5 doesn't "think" like the company's state-of-the-art reasoning models, but in training the new model OpenAI made architectural enhancements and gave it access to more data and compute power. "The result is a model that has broader knowledge and a deeper understanding of the world, leading to reduced hallucinations," the company says. Speaking of reduced hallucinations, OpenAI measured how much better GPT-4.5 in that regard. When put through SimpleQA, an OpenAI-designed benchmark that tests large language models on their ability to answer "straightforward but challenging knowledge questions," GPT-4.5 beat out o3-mini, GPT-4o and even o1 with a hallucination rate of 37.1 percent. Obviously, the new model doesn't solve the problem of AI hallucinations altogether, but it is a step in the right direction. Despite its relative strengths over GPT-4o and o3-mini, GPT-4.5 isn't a direct replacement for those models. Compared to OpenAI's reasoning systems, GPT-4.5 is "a more general-purpose, innately smarter model." Additionally, it's not natively multimodal like GPT-4o, meaning it doesn't work with features like Voice Mode, video or screensharing. Its also "a very large and compute-intensive model." It's best to think of GPT-4.5 as a stepping stone to systems OpenAI plans to offer in the future. In fact, Sam Altman said as much earlier this month when he shared the company's roadmap, noting GPT-4.5 would be "our last non-chain-of-thought model" referring to the fact that the new system doesn't solve problems by tackling them step by step like OpenAI's reasoning models do. Its successor, GPT-5, will likely integrate many of OpenAI's latest technologies, including its frontier o3 model. OpenAI reiterated that today, saying it plans to bring GPT-4.5's "unique strengths, including broader knowledge, stronger intuition, and greater 'EQ,' to all users in future models." In the meantime, ChatGPT Pro subscribers can begin using GPT-4.5 starting today, with Pro and Team users slated to gain access starting next week.This article originally appeared on Engadget at https://www.engadget.com/ai/openais-new-gpt-45-model-is-a-better-more-natural-conversationalist-200035185.html?src=rss
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Game Freak dropped a surprise trailer at todays Pokémon Presents livestream for something called Pokémon Champions. Its a dedicated battle sim, recalling the glory days of Pokémon Stadium for the N64. This means that Champions distills the franchise's formula down to just battling, with a heavy emphasis on multiplayer. To that end, the game is cross-platform, with the developer saying that players on Nintendo Switch and mobile will be able to duke it out. We dont know what kind of roster the game itself will provide, but it integrates with the cloud-storage service Pokémon Home. People should be able to pull most of their favorite Pokémon from titles like Pokémon Go and recent mainline entries like Pokémon Sword and Shield. It also works with the spin-off Pokémon Legends: Arceus. The official press release, however, does note that there will be some restrictions when it comes to availability. The gameplay should feel instantly familiar to anyone who has ever dabbled in the franchise, as the trailer description touts tried-and-true mechanics such as Pokémon types, abilities and moves. The footage even shows more niche mechanics like Mega Evolution and Terastallization, indicating that players may not be tied to the base-level Pokémon rule set. Theres no release window yet. All we know is that its currently in development. Speaking of release dates, todays livestream did reveal that Pokémon Legends: Z-A will be coming out by the end of the year for the Switch.This article originally appeared on Engadget at https://www.engadget.com/gaming/nintendo/pokemon-champions-is-all-about-the-battles-194527252.html?src=rss
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Adult Swim announced that it would air the next anime from Shinichir Watanabe, the creator of Cowboy Bebop, way back in 2023, and as of today, we finally have a release date. Lazarus is set to premiere on April 5 at midnight on Adult Swim, and will be available to stream on Max the day after. Lazarus follows a task force of agents, also called Lazarus, who are hunting a mad scientist that developed a miracle drug called "Hapna." The drug was created to be a painkiller, but was also secretly designed to kill whoever takes it, three years after it's first taken. Lazarus are trying to find the creator of Hapna to create a vaccine that prevents the drug's negative side effects, and save the world in the process. Based on the trailer, the series' sci-fi setting, jazzy music (provided by Bonobo, Floating Points and Kamasi Washington) and shaggy-haired protagonist Axel all recall Watanabe's previous series Cowboy Bebop, but Lazarus looks like it'll have its own charms, too. The series' action sequences are choreographed by by John Wick director Chad Stahelski and the story takes inspiration from the opioid crisis and climate change, according to a Polygon interview with Watanabe from October 2024. Watanabe's last series Carole & Tuesday premiered on Netflix in the US in 2019 and Netflix's less-than-stellar live action remake of Cowboy Bebop came and went in 2021. The world is more than ready for some original strength Shinichir Watanabe anime, and now it won't have to wait much longer to get it.This article originally appeared on Engadget at https://www.engadget.com/entertainment/tv-movies/lazarus-the-new-anime-from-the-creator-of-cowboy-bebop-premieres-april-5-192314801.html?src=rss
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