Pi vs. Ralph TUI

Feature	Pi	Ralph TUI

Tagline	A minimal terminal coding harness	AI agent loop orchestrator for terminal
Website	https://pi.dev	https://ralph-tui.com
Language	typescript	typescript
Release Date	December 2, 2025	January 14, 2026
Last Updated	June 28, 2026	April 28, 2026
Provider Type	Independent	Independent
MCP Support	No	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	Yes	Yes
Image / Multimodal Input	Yes	Yes
Voice Mode	No	No
IDE Integration	None - terminal only	None - terminal only
Hooks / Extensions	Yes	No
Web Search	Yes	Yes
Local Model Support	Yes	Yes
Context Window	Model-dependent; auto-compaction	Depends on underlying agent
Supported Models	20+ providers: Anthropic, OpenAI, Google, Mistral, OpenRouter, Groq, Ollama, xAI, Azure, Bedrock	Orchestrates Coding Agents: Claude Code, OpenCode, Gemini CLI, Codex, Kiro, Droid, Cursor CLI.
Supported Subscriptions	GitHub Copilot Claude Code ChatGPT	—
Pricing Model	BYOK	BYOK
Free Tier	Yes	Yes
Price Range	Free (BYOK)	Free (BYOK)
Source Code Availability	Open Source (MIT)	Open Source (MIT)
Source Code	https://github.com/badlogic/pi-mono	https://github.com/subsy/ralph-tui
Development State	active	active