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 ...

Anthropic's new Claude Opus 4 and Sonnet 4 AI models deliver state-of-the-art performance in coding and agentic workflows.

During its inaugural developer conference, Anthropic launched two new AI models the startup claims are among the industry's ...

In particular, that marathon refactoring claim reportedly comes from Rakuten, a Japanese tech services conglomerate that ...

During the voice chat, you can switch between modes, going back and forth between voice and text and, like its competitors, ...

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

Released on May 22, 2025, the Claude Sonnet 4 delivers superior coding and reasoning while responding more precisely to your ...

Claude Opus 4 is Anthropic’s most powerful AI model to date, according to the company’s announcement, and capable of working ...

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 Sonnet 4 boosts coding, reasoning, and agent capabilities with enhanced memory, speed, and steerability across major ...