The $20/month Claude 4 Opus failed to beat its free sibling, Claude 4 Sonnet, in head-to-head testing. Here's how Sonnet ...

Free, Pro, Max, Team, and Enterprise Claude plans can access Claude Sonnet 4 and Opus 4 now, with an extended thinking mode ...

Discover how Claude 4 Sonnet and Opus AI models are changing coding with advanced reasoning, memory retention, and seamless ...

Check out this review if you want to quickly find out if the updated Claude 4 AI model is what you're looking for.

Anthropic has introduced its next generation of Claude models, Claude Opus 4 and Claude Sonnet 4, which the company said set new standards for coding, advanced reasoning, and AI agents.

Anthropic has announced the release of its latest AI models, Claude Opus 4 and Claude Sonnet 4, which aim to support a wider ...

Large language model developer Anthropic PBC today rolled out its newest Claude 4 frontier models, starting with Opus 4 and ...

Claude Opus is Anthropic's largest version of the model family with more power for longer, complex tasks, whereas Sonnet is generally speedier and more efficient. Claude Opus 4 is ...

Anthropic released Claude Opus 4 and Sonnet 4, the newest versions of their Claude series of LLMs. Both models support ...

Today, on 22 May 2025, Anthropic introduced the next generation of Claude models: Claude Opus 4 and Claude Sonnet 4. These models are setting new standards for coding, advanced reasoning, and AI ...

Anthropic, the artificial intelligence startup supported by Google-parent Alphabet GOOG GOOGL)) and Amazon AMZN, announced ...