应该是所有用户都免费了，有额度限制
2,000 intelligent code completions a month: Get context-aware code suggestions that draw context from your GitHub projects and VS Code workspace.
50 Copilot Chat messages a month: Ask Copilot for help understanding code, refactoring something, or debugging an issue.
Choose your AI model: Pick between Claude 3.5 Sonnet or OpenAI GPT-4o.
Make changes to multiple files with Copilot Edits: Tackle changes across multiple files with Copilot Edits.
Support for the Copilot Extensions ecosystem: Access third-party agents designed for tasks such as querying Stack Overflow or searching the web with Perplexity.
Choose where you build: Enjoy support in VS Code and across GitHub.
