GitHub Copilot
The original inline completion, now with agent modes.
CategoryAI Coding Agents
PricingFree tier + paid plans; free for many OSS maintainers and students
Deeply integrated across GitHub: inline suggestions in the editor, chat, pull request summaries, and an agent that can be assigned an issue and open a PR against it. The enterprise story and policy controls are the strongest in the category.
Best for
Teams already standardized on GitHub, and in-editor autocomplete.
Watch out for
Completion-first habits produce code you never really read. Agent mode is a different discipline than tab-accepting.
Using this and stuck anyway?
Knowing the tool isn't the same as finishing the project. If yours has stopped moving, we'll take a look at it.
Tell us what's broken