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Aider vs Kilo Code

Honest breakdown of Aider (pair-programming in your terminal. git-native, model-agnostic, oss.) and Kilo Code (cline + roo merge with extra ux polish. oss, byok, mcp-first.). Last refreshed 2026-04-30.

Aspect Aider Kilo Code
Category cli extension
Pricing Free Free
Open source Yes Yes
License Apache-2.0 Apache-2.0
Models
  • · claude-sonnet-4-6
  • · gpt-5
  • · deepseek-v3.5
  • · any-via-litellm
  • · claude-sonnet-4-6
  • · gpt-5
  • · deepseek-v3.5
  • · any-via-openrouter
Integrations
  • · LiteLLM (200+ models)
  • · Git
  • · Pre-commit
  • · MCP
  • · OpenRouter
  • · Ollama
Best for
  • · Solo devs in terminal-heavy workflows
  • · Open-source contributors
  • · Backend engineers
  • · Devs wanting Cline UX with less friction
  • · MCP-heavy workflows

When to pick Aider

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

When to pick Kilo Code

  • · Devs wanting Cline UX with less friction
  • · MCP-heavy workflows
Full Aider review → Full Kilo Code review →