title: "Crux vs Aider" description: "Compare Crux and Aider. See features, pricing, and which is right for you." slug: "aider"
Crux vs Aider
Feature Comparison
| Feature | Crux | Aider |
|---|---|---|
| 24 specialized modes | Y | N |
| 57 mcp tools (rust binary) | Y | N |
| 7 Gate safety pipeline | Y | N |
| Architect mode | N | Y |
| Auto Capture session state (hooks) | Y | N |
| Bip pipeline (typefully) | Y | N |
| Codebase indexing | Y | N |
| Correction detection (10 patterns) | Y | N |
| Cross Project analytics | Y | N |
| Design validation (wcag) | Y | N |
| Git Aware editing | Y | Y |
| Impact analysis (tree Sitter ast) | Y | N |
| Knowledge promotion (project→user→public) | Y | N |
| Memory system (remember/recall/forget) | Y | N |
| Model routing (ollama/anthropic/openai) | Y | N |
| Multi Model | N | Y |
| Repo map (ast) | N | Y |
| Seamless tool switching (6 tools) | Y | N |
| Session recovery from corrupted sessions | Y | N |
| Single binary distribution (zero deps) | Y | N |
| Tool Agnostic intelligence (.crux/) | Y | N |
| Voice coding | N | Y |
Aider Strengths
- Open source
- Excellent repo map
- Multi-model
Aider Weaknesses
- No MCP
- No portability
- No learning
- No safety
Pricing
Aider: Free (open source)