Editor and browser extensions
Extensions for editors and browsers. The ones worth installing change one thing and stay out of the way; the rest add a chat window you already have in another tab.
Raycast AI
AI commands inside the Raycast launcher on macOS. Rewrite a selection or answer a question without switching apps.
Tested on GPT-5 · Jun 2026
GitHub Copilot
Inline code suggestions and a chat panel in the editor, backed by a choice of models. Most developers try it first, for better or worse.
Tested on GPT-5 · Jun 2026
Cody
A coding assistant built on Sourcegraph code search. Its context comes from an index of your whole repository and not only the open file.
Tested on Claude Sonnet · Jun 2026
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An open-source editor extension for VS Code and JetBrains. You plug in any model, hosted or local, and stay free of one vendor.
Tested on Claude Sonnet · Jun 2026