Codeium vs Aider — Head-to-Head Comparison
Quick verdict: Codeium edges ahead
See the full breakdown below.
Feature Comparison
| Feature | Codeium | Aider |
|---|---|---|
| Rebranded: Codeium -> Windsurf -> Devin Desktop (Cognition AI) | ✓ | — |
| Historically: unlimited free completions and chat for individual developers | ✓ | — |
| Historically: support for 70+ programming languages across many editors | ✓ | — |
| The underlying technology now ships under the Devin Desktop brand | ✓ | — |
| Terminal-based AI pair programming with direct git commit integration | — | ✓ |
| Support for OpenAI, Anthropic, Google Gemini, Ollama, and 50+ LLM providers | — | ✓ |
| File context management with explicit add/drop workflow | — | ✓ |
| Automatic git commits with AI-generated commit messages | — | ✓ |
| Voice input for dictating code changes | — | ✓ |
| Watch mode for implementing annotated code comments | — | ✓ |
| Multi-file editing and refactoring | — | ✓ |
| Web search integration for documentation lookup | — | ✓ |
| Diff review before committing changes | — | ✓ |
| Repo map for whole-codebase context awareness | — | ✓ |
Pricing Comparison
| Plan | Codeium | Aider |
|---|---|---|
| Starting price | Free | Free |
| Free plan | Yes | Yes |
| Pricing model | Discontinued as a standalone brand — now under Devin Desktop's pricing | Free / Open Source |
Which Should You Choose?
Choose Codeium if...
Former free AI code completion platform, now absorbed into Devin Desktop (Cognition AI)
Visit CodeiumChoose Aider if...
Open-source terminal AI pair programmer that works with your local git repo
Visit Aider