If you're not familiar with Claude, it's the family of large-language models made by the AI company Anthropic. And Claude just got a huge upgrade in the form of Claude 4, Anthropic's newest AI model.

Claude 4 Sonnet resolves the tension by answering its own questions, trading suspense for emotional reflection. Not necessarily a negative edit, but not what I was looking for here, ...

Claude Sonnet 4 improves on its predecessor’s capabilities, especially excelling in coding, Anthropic said. Sonnet 4 “balances performance and efficiency for internal and external use cases, ...

Claude Sonnet 4 brings greater coding skills for free. Claude Sonnet 4, now Anthropic’s default general-purpose model, also introduces some tweaks specifically to boost its coding prowess.

Anthropic says Claude Opus 4 and Sonnet 4 outperform rivals like OpenAI's o3 and Gemini 2.5 Pro on key benchmarks for agentic coding tasks like SWE-bench and Terminal-bench.

Claude Opus 4 and Claude Sonnet 4, part of Anthropic’s new Claude 4 family of models, can analyze large datasets, execute long-horizon tasks, and take complex actions, according to the company.

Claude Sonnet 4 is a more affordable and efficiency-focused model that’s better suited to general tasks, which supersedes the 3.7 Sonnet model released in February.

Albert said Anthropic spent time training Claude Sonnet 4 so that it would be less likely to go off the beaten path like its predecessor. He described it as a “little bit over-eager.” ...

These and other AI models don't always agree. Sometimes they'll respond with 42 or 37, as reported by other Register hacks ...

Anthropic unveiled Claude 4, the company's new generation of AI models, on Thursday. Anthropic. Billed as Anthropic's "most powerful model yet and the best coding model in the world," Claude 4 is ...