Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partner |

11:00 AM PDT · September 28, 2026 As the AI model wars continue, Anthropic has released the newest version of Sonnet, the company’s mid-tier model,…

Anthropic releases Sonnet 4.6 |

In Brief Posted: 10:00 AM PST · February 17, 2026 Anthropic has released a new version of its midsized Sonnet model, keeping pace with the…