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Aider vs Claude Code

Honest breakdown of Aider (pair-programming in your terminal. git-native, model-agnostic, oss.) and Claude Code (anthropic's official agentic cli for delegating coding tasks from the terminal.). Last refreshed 2026-04-30.

Aspect Aider Claude Code
Category cli cli
Pricing Free $20/mo
Open source Yes No
License Apache-2.0 Proprietary
Models
  • · claude-sonnet-4-6
  • · gpt-5
  • · deepseek-v3.5
  • · any-via-litellm
  • · claude-opus-4-6
  • · claude-sonnet-4-6
  • · claude-haiku-4-5
Integrations
  • · LiteLLM (200+ models)
  • · Git
  • · Pre-commit
  • · MCP
  • · GitHub
  • · Linear
  • · Slack
  • · Vercel
  • · Figma
Best for
  • · Solo devs in terminal-heavy workflows
  • · Open-source contributors
  • · Backend engineers
  • · Senior engineers refactoring large codebases
  • · Agentic workflows
  • · Plugin authors

When to pick Aider

  • · Solo devs in terminal-heavy workflows
  • · Open-source contributors
  • · Backend engineers

When to pick Claude Code

  • · Senior engineers refactoring large codebases
  • · Agentic workflows
  • · Plugin authors
Full Aider review → Full Claude Code review →