GitHub Copilot has added support for OpenAI’s newest coding model, GPT‑5.4, and the change starts to reshape how developers interact with AI inside Visual Studio Code and across a broad set of IDEs and GitHub surfaces.
Background / Overview
GitHub Copilot — Microsoft’s AI coding assistant...
Microsoft’s internal experiments with AI coding tools have quietly revealed a pragmatic truth: the company that loudly promotes GitHub Copilot to customers is also road‑testing competitors inside its own walls — and in some teams, Anthropic’s Claude is being used side‑by‑side with Copilot to do...