Trae AI

Trae is an AI-powered integrated development environment (IDE) focused on enhancing developer productivity through intelligent collaboration. It combines traditional IDE capabilities—like code editing, version control, extensions, and terminal access—with powerful AI features. Developers can switch between Chat mode for Q&A and code optimization, and Builder mode where AI breaks down natural language requests into executable tasks, with previews and confirmations at each step . Trae supports multimodal inputs, like uploading images to clarify requirements, and contextual code generation based on full project analysis. It integrates top LLMs including GPT‑4.1, Claude 3.7, Gemini 2.5 Pro, and DeepSeek, all available without requiring personal API keys . Originally developed by ByteDance, it's available free to developers currently .