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

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

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

Opus 4 is Anthropic’s new crown jewel, hailed by the company as its most powerful effort yet and the “world’s best coding ...

Alongside the model releases, Claude Code has entered general availability, with integrations for VS Code and JetBrains, and ...

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

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

Anthropic Claude 3.5 and 3.7 have been the leading models for coding. They were being threatened by Google Gemini 2.5 but now ...

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

Claude 4 Sonnet and Claude 4 Opus -- at its inaugural developer conference. The AI company claims Opus is the best coding ...

Anthropic appears to be working on new models under the names Claude Sonnet 4 and Opus 4. These models are likely to be by ...

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