Aider vs Trae
Which is better for vibe coding in 2026? Here's a detailed comparison to help you choose.
Aider
AI Pair Programming in Your Terminal
Aider is an open-source AI pair programming tool that runs in your terminal. It works with any LLM (Claude, GPT, local models) and can edit multiple files, run tests, and commit changes. Known for scoring highest on SWE-bench coding benchmarks.
Trae
AI-Powered IDE by ByteDance
Trae is ByteDance's AI-powered IDE built on VS Code. It offers AI chat, inline code generation, and an agentic Builder mode that can scaffold entire projects. Notably, it provides free access to powerful AI models.
// Feature Comparison
| Feature | Aider | Trae |
|---|---|---|
| AI chat & inline generation | — | ✓ |
| Any LLM support | ✓ | — |
| Builder mode for full projects | — | ✓ |
| Free Claude & GPT access | — | ✓ |
| Git integration & auto-commits | ✓ | — |
| Multi-file editing | ✓ | ✓ |
| Open-source & extensible | ✓ | — |
| Project scaffolding | — | ✓ |
| Terminal-based pair programming | ✓ | — |
| Test running | ✓ | — |
| VS Code foundation | — | ✓ |
// Aider Pricing
Free and open-source. Bring your own API key for any LLM provider
// Trae Pricing
Currently free with access to Claude and GPT models included
Aider is best for
Developers who want an open-source, terminal-based AI pair programmer with model flexibility
Trae is best for
Developers who want a free AI IDE with access to premium models at no cost