github.blogClaude Opus 4.8 is generally available for GitHub CopilotClaude Opus 4.8, Anthropic’s latest Opus model, is now available in GitHub Copilot. In our early testing, Opus 4.8 demonstrates a clear step forward in code understanding and generation across a range ...- github.blogOpenAI’s GPT-5.6 Sol, Terra, and Luna are now available in GitHub CopilotOpenAI’s GPT-5.6 family is now rolling out in GitHub Copilot. GPT-5.6 comes in three variants, Sol, Terra, and Luna, so you can match the model to the job, whether that’s reasoning over a large ...