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OpenAI launches GPT-4.5, its largest model to date

OpenAI has launched GPT-4.5, its largest model yet, using extensive computing power and data, with a staggered rollout due to GPU shortages. Available to ChatGPT Pro subscribers, the model marks a significant upgrade in AI capabilities. Major tech developments also include Microsoft's discontinuation of Skype and Amazon's launch of Alexa+. Meanwhile, other companies unveil new AI tools and updates.

Key points

  • OpenAI's GPT-4.5 is the most extensive model to date, launched under the codename Orion.
  • The model was trained using greater computing power and data than all prior models.
  • CEO Sam Altman stated the rollout was staggered due to GPU shortages.
  • Subscribers to the $200/month ChatGPT Pro plan have immediate access; wider rollout for other plans is expected soon.
  • Microsoft announces the shutdown of Skype, urging users to migrate to Teams before May 5.
  • Anthropic has benchmarked its Claude 3.7 Sonnet model using Pokémon Red, achieving success against gym leaders.
  • Amazon's new Alexa+ product starts at $19.99/month but is free for Prime subscribers and is set to launch in the U.S.

Why it matters

  • GPT-4.5's release aligns with 2025 trends focusing on advanced AI capabilities and processing power.
  • The decline of Skype reflects the pivot towards integrated communication platforms like Microsoft Teams.
  • Amazon's Alexa+ introduces competitive pricing, responding to increased interest in generative AI solutions.
  • The ongoing developments in AI models, like Claude and Gemini Code Assist, underscore the rapid evolution in AI tools and functionalities.

The launch of GPT-4.5 marks a milestone for OpenAI, showcasing advancements in AI technology amid significant shifts in the tech landscape, including the phase-out of legacy communication platforms and the competitive rise of new AI-driven services.