GitHub Copilot is a coding assistant across GitHub, supported IDEs, and the command line. Junie is JetBrains' coding agent for JetBrains IDEs and the command line, with project instructions, skills, MCP, and custom model access.
GitHub Copilot provides code completion, chat, agent mode, code review, a cloud coding agent, and a command-line interface across GitHub and supported development environments.
Junie is JetBrains' coding agent for JetBrains IDEs and the command line. It can inspect projects, write and modify code, run development tasks, and use project instructions and agent skills.
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Editorial comparison
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GitHub plus supported editors, IDEs, and Copilot CLI
JetBrains IDEs plus Junie CLI
IDE agent mode, GitHub coding agent, Copilot CLI, and code review
JetBrains IDE agent and local CLI workflows
Plan- and organization-dependent model and agent features
Project instructions, agent skills, MCP, and bring-your-own-key workflows
Free tier available; Copilot Pro starts at USD 10 per month
Free-to-start option; JetBrains AI Pro starts at USD 8.33 per user per month on annual billing
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