Aider

Git-native terminal coding agent that works with any LLM

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AI Code Assistants Open Source open-source Free Tier established

Our Take

Aider is the elder statesman of CLI coding agents at 42K GitHub stars. Its defining feature is the git-native approach: every AI edit is automatically committed with descriptive messages, creating a clean, reviewable history. It works with virtually any LLM through a BYOK model — Claude, GPT, Gemini, local models via Ollama — making it ideal for developers wanting full control. There are no subscriptions or credit-based pricing; you only pay for API usage. This makes Aider the most cost-transparent option. The trade-off is a steeper learning curve and less polished UX compared to commercial tools, and you'll need to manage your own API keys and model selection. For developers who want maximum flexibility and hate vendor lock-in, Aider is the gold standard.

Pros

  • + Git-native: every edit auto-committed with descriptive messages
  • + Works with any LLM — zero vendor lock-in
  • + No subscription fees — pay only for API usage
  • + 42K GitHub stars and active open-source community

Cons

  • - Steeper learning curve than commercial alternatives
  • - Requires managing your own API keys and model selection
  • - Less polished UX compared to Cursor or Claude Code

Details

Pricing Model
open-source
Starting Price
$0 (BYOK)
Self-Hosted
Yes
Cloud Hosted
No
Founded
2023
Repository
GitHub →

Best For

  • Developers wanting full control over model selection
  • Git-native workflows with automatic commit messages
  • Budget-conscious teams using BYOK (bring your own key)

Integrations

Terminal/CLI Git Any LLM API

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