Trae
Free AI-native IDE from ByteDance built on VS Code with Agent mode, inline editing, and Claude/GPT-4o models - no usage limits during its public growth phase.
Trae (Tools for Real AI Engineering) is ByteDance's AI IDE, launched globally in January 2025. Built on the VS Code codebase, Trae ships with a built-in AI assistant powered by Claude 3.5 Sonnet and GPT-4o, offering inline code completion, chat-based editing, and an autonomous Agent mode that plans and executes multi-file code changes from a single natural language prompt. ByteDance launched Trae completely free with no usage limits as an aggressive growth strategy against Cursor and Windsurf. The IDE supports all major languages and is compatible with the full VS Code extension ecosystem. Trae passed 500,000 downloads within weeks of its global launch.
Key Features
- Agent mode - autonomous multi-file code planning and execution from a single natural language prompt
- Inline Builder mode - select any code block and describe changes in plain English for instant edits
- Powered by Claude 3.5 Sonnet and GPT-4o with model switching available in settings
- Full VS Code extension marketplace compatibility - install any existing VS Code extension
- Codebase-aware AI chat panel that answers questions about the entire project context
- Completely free with no token or usage limits during ByteDance's active growth phase
Use Cases
- Developers evaluating AI IDEs who want Cursor-quality features without a $20/month subscription
- Teams running side-by-side comparisons of AI IDE options before committing to a paid tool
- Students and indie developers who need powerful AI coding assistance with zero budget
- Existing VS Code users migrating to an AI-native IDE without learning a new interface or losing extensions
Pros
- Completely free with no usage limits - strongest value proposition in the AI IDE market in 2025
- Full VS Code extension compatibility means zero migration friction for existing VS Code workflows
- Agent mode powered by Claude 3.5 Sonnet performs at parity with paid Cursor and Windsurf competitors
Cons
- Free pricing is a growth strategy - paid tiers or usage caps may be introduced without prior notice
- ByteDance ownership raises data privacy concerns that may block adoption in enterprise and government teams
- Smaller community, fewer tutorials, and less ecosystem maturity than Cursor or Windsurf at this stage
Trae Alternatives
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GitHub Copilot
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Ito
Only code review that runs your code. Provides runtime analysis with evidence (logs, video, screenshot) to show how code changes application actually work. Back-end, front-end, api, integration.
Cursor
AI-native code editor built on VS Code with built-in AI chat, autocomplete, and codebase understanding.
GitHub Copilot
AI pair programmer by GitHub/OpenAI that suggests code completions, functions, and entire files in your IDE.
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