Sol

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

OpenAI unveils GPT-6.1 Sol

Maxime Hiez
OpenAI
02 Oct, 2026

Introduction OpenAI announced, at DevDay 2026 on September 29, 2026, GPT-6.1 Sol, an improved version of GPT-6 Sol that closes the gap with GPT-6 Astra on agentic coding, computer

OpenAI unveils GPT-5.6 Sol, Terra and Luna in preview

Maxime Hiez
OpenAI
27 Jun, 2026

Introduction OpenAI announced on June 26, 2026 a preview of three new models : GPT-5.6 Sol, GPT-5.6 Terra and GPT-5.6 Luna. Access is limited to approximately twenty trusted partner