Aider vs OpenCode: Side-by-Side Comparison 2026
Aider vs OpenCode comparison 2026. Side-by-side features, pricing & capabilities.
| Feature | Aider | OpenCode |
|---|---|---|
| Category | Assistant | Assistant |
| Starting Price | Free | Free |
| Model Family | Multi-model (any) | Multi-model (any) |
| Code Completion | — | — |
| Chat | ✓ | ✓ |
| Agentic Mode | ✓ | ✓ |
| Multi-File Editing | ✓ | ✓ |
| Terminal Commands | ✓ | ✓ |
| Browser Use | — | — |
| App Generation | — | — |
| Git Integration | — | — |
| Supported IDEs | Terminal (editor-agnostic) | Terminal (editor-agnostic) |
| Open Source | Yes (Apache 2.0) | Yes (MIT) |
Pricing verified 2026-02-06. Aider pricing | OpenCode pricing
Overview
Aider is a CLI tool from Paul Gauthier (Open Source). OpenCode is a CLI tool from SST. Both tools are actively maintained as of 2026.
Aider: What You Get
Open-source CLI tool for AI pair programming. Works with OpenAI, Claude, and other models to edit code in your local git repo.
- Git-aware editing
- Multi-file editing
- Model agnostic
- Voice coding
- Image support
- Linting integration
Pricing: Free. 1 plan available.
OpenCode: What You Get
Open-source terminal AI coding agent from SST. Free with BYOK, or use OpenCode Zen (pay-per-token) and Black (flat-rate subscription at $20/$100/$200/mo) for managed model access.
- AI chat
- Agentic mode
- Multi-file editing
- Terminal commands
- Test generation
- Debugging
Pricing: Free / $20/mo. 4 plans available.
Key Differences
- Category: Aider is a CLI tool, OpenCode is a CLI tool.
- Model family: Aider uses Multi-model (any); OpenCode uses Multi-model (any).
Which Should You Choose?
Choose Aider if you want Fully open-source with transparent development. Choose OpenCode if you want OpenCode handles multi-step tasks independently. Both tools are strong options — the right choice depends on your workflow and priorities.