A terminal-based AI coding agent that plans and executes large coding tasks across multiple files with smart context management.
Plandex is an open-source AI coding agent that plans and executes large coding tasks spanning multiple files and steps. It solves the problem of managing complex AI-assisted development by providing smart context management, a diff review sandbox, and configurable autonomy for real-world projects.
Developers working on large, complex software projects who need AI assistance for multi-file changes, automated debugging, and controlled implementation of features across extensive codebases.
Developers choose Plandex for its ability to handle large projects with up to 2M token context windows, its cumulative diff review system that prevents project messes, and its flexibility in combining multiple AI models while maintaining fine-grained control over the development process.
Open source AI coding agent. Designed for large projects and real world tasks.
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Directly supports up to 2M tokens with tree-sitter project maps for indexing directories with 20M+ tokens, enabling work on large codebases without context window issues.
Features a cumulative diff review sandbox that keeps AI-generated changes separate until ready, with rollback capabilities, preventing project messes as highlighted in the README.
Combines models from Anthropic, OpenAI, Google, and open-source providers with curated model packs, allowing developers to balance cost, speed, and capability.
Can automatically debug terminal commands and browser applications if Chrome is installed, streamlining the development process for builds, tests, and deployments.
Offers full version control for plan updates with branching and Git integration for commit message generation, enhancing collaboration and history tracking.
Only works correctly on Windows via WSL, not in CMD or PowerShell, as admitted in the README, which restricts accessibility for developers on pure Windows environments.
Requires API keys from model providers like OpenRouter, making it unusable offline or without subscriptions, adding cost and reliability concerns for users.
Self-hosted mode requires Docker or server setup, which might be cumbersome for users wanting a simple, out-of-the-box experience compared to cloud-based alternatives.
Plandex Cloud is winding down as of 10/3/2025, indicating potential issues with long-term cloud hosting reliability and forcing users to migrate to self-hosting.
A natural language interface for computers