A agentindex
Comparison

Aider vs Devin

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Aider

AI pair programming in your terminal, git-native.

  • + Every change is a git commit for trivial rollback
  • + BYOK with any model, including local
  • − Terminal-only, no IDE UI
  • − Steep for non-CLI users

Devin

Cognition's autonomous software engineer.

  • + True end-to-end autonomy
  • + No local setup
  • − Expensive and access-gated
  • − Less transparent than open alternatives
Spec Aider Devin
Category coding-agent coding-agent
License Apache-2.0 Proprietary
Open source Yes No
Self-hostable Yes No
MCP support Yes No
Pricing free paid
Starting price BYOK usage cost $500/mo (access tier)
Models claude, gpt, gemini, local, byok claude, gpt
Languages python multi
GitHub stars 46.7k —
Last activity 2026-05-22 —