With GitHub Copilot Free you get 2000 code completions/month. That's about 80 per working day - which is a lot. You also get 50 chat requests/month, as well as access to both GPT-4o and Claude 3.5 Sonnet models.
https://code.visualstudio.com/blogs/2024/12/18/free-github-copilot
https://code.visualstudio.com/blogs/2024/12/18/free-github-copilot