Open Interpreter lets locally-running or API-backed LLMs write and execute code in your own environment, then iterate until a task is complete. It supports Python and other languages and can browse the web, manage files, and operate desktop applications. A desktop app launched in 2025 packages the experience for non-technical users. With 60,000+ GitHub stars it is one of the most widely adopted local AI agent projects. Key features: - Local code execution with iterative error correction - File and document editing (Word, Excel, PDF) via desktop app - Web browsing and API interaction - Bring-your-own-key model supporting OpenAI, Anthropic, and local models - Open-source MIT license with self-hostable option
Free (BYOK or local models). Hosted Pro: $20/month. Business: $60/month.