Rubber Duck in GitHub Copilot CLI now supports more models - GitHub Changelog
… The same second-opinion benefits architectural catches, subtle bugs, and cross-file conflicts now apply to GPT-driven sessions. …
… The same second-opinion benefits architectural catches, subtle bugs, and cross-file conflicts now apply to GPT-driven sessions. …
… In early tests, GPT‑5.4 mini appears to be OpenAI’s highest-performing mini model yet. …