
pi
AI agent toolkit with unified LLM API, agent loop, TUI, and coding agent CLI
What is pi?
pi is an AI Coding Assistant tool. AI agent toolkit with unified LLM API, agent loop, TUI, and coding agent CLI. pi is free to use. It is aimed at developers and open source contributors.
AI agent toolkit providing a unified LLM API, agent loop, TUI, and coding agent CLI. Designed for developers to build and manage AI agents with features like plugin architecture, supply-chain hardening, and sandboxing patterns. Supports interactive coding through CLI and TUI interfaces.
Built for developers and open source contributors.
Features
Unified LLM API
Provides a single interface for multiple LLM providers
Agent Loop
Enables continuous interaction with AI agents
TUI
Text-based user interface for developer interaction
Coding Agent CLI
Command-line interface for interactive coding tasks
Plugin Architecture
Allows extension of functionality through plugins
Supply-Chain Hardening
Includes pinned dependencies and audit features
Sandboxing Patterns
Uses Gondolin, Docker, and OpenShell for secure execution
Standalone Binaries
Builds executable files from source code
Session Sharing
Enables sharing of coding agent sessions
License Management
Use cases
- Develop and manage AI agents with unified LLM API
- Create interactive coding sessions through CLI
- Implement supply-chain hardening in development workflows
- Build standalone binaries for distribution
- Share coding agent sessions with collaborators
Who it's for
Pros & cons
Pros
- Free to use
Cons
No documented limitations yet.
Pricing
Free.
Developer & API
Open source· 111.1K stars· 14.1K forks
FAQ
What is pi?
pi is an AI Coding Assistant tool. AI agent toolkit with unified LLM API, agent loop, TUI, and coding agent CLI. AI agent toolkit providing a unified LLM API, agent loop, TUI, and coding agent CLI. Designed for developers to build and manage AI agents with features like plugin architecture, supply-chain hardening, and sandboxing patterns. Supports interactive coding through CLI and TUI interfaces.
Is pi free?
Yes, pi is free to use.
How much does pi cost?
pi is free to use.
Who should use pi?
pi is built for developers and open source contributors. Common uses: develop and manage AI agents with unified LLM API, create interactive coding sessions through CLI, implement supply-chain hardening in development workflows and build standalone binaries for distribution.
Is pi open source?
Yes, pi is open source.
What are the best alternatives to pi?
Similar tools on AiByts include OpenCode, Cline, Havoptic, OpenChamber and Relay.
Details are compiled from pi's website and public sources, last verified Oct 3, 2026. Features and pricing change — confirm on the official site before you buy.
Try pi
Free
Tags
- Code Agents
- Developer Tools
- Plugin Architecture
- Sandboxing
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