Sonnet

GPT-6.1 Sol and Claude Sonnet 5.5 available in Copilot

Maxime Hiez
Copilot
06 Oct, 2026

Introduction Microsoft Copilot has been rolling out, since September 30, 2026, two new frontier models : GPT-6.1 Sol from OpenAI and Claude Sonnet 5.5 from Anthropic. This rollout f

Anthropic unveils Claude Sonnet 5.5

Maxime Hiez
Anthropic
30 Sep, 2026

Introduction Anthropic announces Claude Sonnet 5.5, the second model in the Claude 5.5 family after Opus 5.5. The model generates responses more than 30% faster than Sonnet 5 and

Anthropic unveils Claude Sonnet 5, outperforming Opus 4.8

Maxime Hiez
Anthropic
01 Jul, 2026

Introduction Anthropic announced on June 30, 2026, the availability of Claude Sonnet 5, now the default model on the Free and Pro plans of Claude.ai. The model is designed for com

Anthropic unveils Claude Sonnet 4.5, more advanced

Maxime Hiez
Anthropic
30 Oct, 2025

Introduction Anthropic, a leading player in artificial intelligence, has announced the release of Claude Sonnet 4.5, touted as the world's best coding model and a significant leap for

Anthropic introduces Claude 4, the more powerful and durable AI

Maxime Hiez
Anthropic
27 Jun, 2025

Introduction In an artificial intelligence market dominated by OpenAI, Google, and Microsoft, Anthropic continues to forge its own path. With the launch of the Claude 4 family, th