GitHub Copilot CLI vs. Ralph TUI

Feature	GitHub Copilot CLI	Ralph TUI

Tagline	The power of GitHub Copilot in your terminal	AI agent loop orchestrator for terminal
Website	https://github.com/features/copilot/cli	https://ralph-tui.com
Language	typescript	typescript
Release Date	September 24, 2025	January 14, 2026
Last Updated	April 28, 2026	April 28, 2026
Provider Type	AI Lab	Independent
MCP Support	Yes	Yes
Multi-Agent Support	Yes	Yes
Git Integration	deep	deep integration with git worktrees
Multi-File Editing	Yes	Yes
Auto Test Running	Yes	No
Sandbox / Permissions	No	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	VS Code, Cursor, Windsurf, JetBrains, Neovim, Visual Studio, Xcode	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	Yes
Local Model Support	No	Yes
Context Window	Auto-managed	Depends on underlying agent
Supported Models	Multi-provider (GitHub-managed) and local models	Orchestrates Coding Agents: Claude Code, OpenCode, Gemini CLI, Codex, Kiro, Droid, Cursor CLI.
Pricing Model	freemium, usage-based	BYOK
Free Tier	Yes	Yes
Price Range	Free / $10-39/mo	Free (BYOK)
Source Code Availability	Source Available (Proprietary)	Open Source (MIT)
Source Code	https://github.com/github/copilot-cli	https://github.com/subsy/ralph-tui
Development State	active	active