What GitHub Copilot does
GitHub Copilot pioneered AI coding and remains the most widely used tool in production. In 2025-2026 it evolved from autocomplete into a full agentic system with Copilot Review, workspace agents, and deep GitHub integration for PR reviews and CI/CD.
How GitHub Copilot compares with its closest alternatives
4 of the 5 closest alternatives have a free plan, as GitHub Copilot does. Among the 4 that list a starting price, the cheapest is Supermaven at $10 a month and the median is $12.50. GitHub Copilot starts at $10 a month, below that median. None of the 5 offers an API, which GitHub Copilot does. GitHub Copilot offers a web app and a desktop app. Of the alternatives, 3 offer a web app and 4 offer a desktop app. GitHub Copilot was founded in 2021; the alternatives were founded between 2000 and 2023, 1 of them earlier. GitHub Copilot has no single headquarters on record; its alternatives with a known headquarters are in the United States.