Plandex
Plandex is an open-source terminal-based AI coding agent for large multi-file projects. Long-running tasks, version-controlled changes, multi-LLM support.
Overview
Plandex: Open-Source Terminal AI Coding Agent
Plandex is Terminal-native AI coding agent for large multi-file projects. Plandex is the rare AI coder that's actually optimized for terminal-native workflows. Combined with the open-source codebase and self-host option, it's the choice for engineers who want full control without sacrificing AI capability.
Status note (October 2025): Plandex Cloud, the hosted version, began winding down on October 3, 2025 and stopped accepting new users. The open-source Plandex coding agent remains available to run locally or self-host.
Key Features
- Terminal-native AI coding agent for large multi-file projects
- Long-running tasks with planned, reviewed, and version-controlled changes
- Multi-LLM support: GPT-4, Claude, Gemini, open models
- Sandboxed code-application with human approval before changes
- Open-source on GitHub with active community
- Cloud or self-host modes — bring your own API keys
- Cult following among CLI-first developers and DevOps engineers
Ideal Use Case
Backend engineers, DevOps, and CLI-first developers who want an AI coding agent that lives in the terminal alongside their existing dev workflow — not in a dedicated IDE.
Why Use Plandex
Plandex is the rare AI coder that's actually optimized for terminal-native workflows. Combined with the open-source codebase and self-host option, it's the choice for engineers who want full control without sacrificing AI capability.
FAQ
Is Plandex still available? Yes, as open source. The hosted Plandex Cloud wound down from October 2025, but you can still run Plandex locally or self-host it.
Q: vs Aider? A: Both are open-source CLI AI coders. Plandex emphasizes long-running multi-file plans; Aider is more interactive.
Q: Pricing? A: Open-source — free. Cloud tier available with hosted API and team features.
Q: API keys required? A: Yes — bring your own OpenAI, Anthropic, or open-model API keys.
Q: IDE integration? A: Terminal-native; pairs with any IDE that has a terminal pane.
tl;dr
Open-source terminal AI coder. Long-running multi-file plans. Multi-LLM. Self-host option.
Related
Looking for more options? Browse the Developer Tools directory or read our best AI coding tools listicle. Plandex is also tracked on Crunchbase.
Why Use Plandex
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