Anthropic just announced at Code with Claude the releases of Claude 4 Opus and Claude 4 Sonnet.
From anthropic
Today, we’re introducing the next generation of Claude models: Claude Opus 4 and Claude Sonnet 4, setting new standards for coding, advanced reasoning, and AI agents.

Claude Opus 4 is the world’s best coding model, with sustained performance on complex, long-running tasks and agent workflows. Claude Sonnet 4 is a significant upgrade to Claude Sonnet 3.7, delivering superior coding and reasoning while responding more precisely to your instructions.

The 'Code with Claude' event, scheduled for May 22, 2025, marks a significant moment for Anthropic and AI enthusiasts globally. Recent updates suggest Anthropic is poised to launch Claude Sonnet 4 and Opus 4, AI models anticipated to boast groundbreaking features. While unconfirmed, the event’s timing hints at a potential reveal or demo of these advancements, possibly showcasing the rumored “show_raw_thinking” feature for transparent AI reasoning. Beyond a display of AI innovation, the event could reshape the competitive AI landscape. With rivals like OpenAI and Microsoft advancing their reasoning models, Anthropic’s new models might elevate its market position if tied...

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Anthropic, the AI research company founded by former OpenAI researchers, is poised to release Claude 4, its next-generation AI model, in the coming weeks, according to recent reports. This highly anticipated launch is expected to intensify competition in the generative AI landscape, challenging rivals like OpenAI’s ChatGPT and Google’s Gemini. Sources indicate that Anthropic is preparing to unveil new versions of its Claude Sonnet and Opus models, which promise significant advancements in reasoning and performance. Posts on X and industry reports suggest that Claude 4 could outperform existing models, with some claiming it may surpass OpenAI’s latest offerings in key...