What it is
Aider is a terminal-native AI pair-programming CLI. Point it at Claude, GPT, Gemini, DeepSeek, or local models through Ollama. Commits each change as it lands.
Tiers
- Open Source (free) — Apache 2.0 at github.com/Aider-AI/aider. No subscription.
Pricing model
No subscription. Pure BYOK to any provider.
Verdict
Best for terminal-first developers who want git-commit-as-it-lands workflow. Lacks enterprise features but is the gold standard for CLI pair programming.