Aider vs Devin

Aider and Devin are both AI Coding tools (Coding Agents). Below: what each costs, what it does well, its biggest catches, and who should pick which, all from public sources rather than our own testing.

Side by side

AiderDevin
CategoryAI Programming · Smart ProgrammingAI Programming · Smart Programming
PricingFree (open source). You pay your LLM provider's token costs. (checked Oct 11, 2026)Free tier: yes. Pro $20/mo, Max $200/mo. Teams $80/mo plus $40/seat. (checked Oct 10, 2026)
Pros
  • Free, open-source terminal pair-programmer that works with almost any LLM, local models included
  • Git-native: every change is an atomic commit you can undo
  • Repo map and multi-file edits handle real codebases
  • An autonomous cloud coding agent for scoped tickets
  • Free tier, and Pro is $20/mo
  • Self-serve plans now bill in dollars at API rates instead of ACUs
Catches
  • Terminal-only: no inline autocomplete or visual diffs
  • You manage context by hand, and setup takes configuration
  • API spend is uncapped. Heavy refactors on frontier models get pricey
  • Less reliable on vague or complex work (per reviews)
  • Every PR still needs human review
  • Overages beyond quota get billed
Best forTerminal-first developers who want model choice and clean git history.Teams offloading well-scoped tickets, tests and migrations.
Skip it ifYou want an IDE with autocomplete and a GUI.You expect it to handle fuzzy, complex features alone.

Which should you pick?

Pick Aider if…

you fit this: terminal-first developers who want model choice and clean git history.

But not if: you want an IDE with autocomplete and a GUI.

Watch out for: Terminal-only: no inline autocomplete or visual diffs.

Pick Devin if…

you fit this: teams offloading well-scoped tickets, tests and migrations.

But not if: you expect it to handle fuzzy, complex features alone.

Watch out for: Less reliable on vague or complex work (per reviews)

More options

Sources

Aider

Devin

Pros, catches and prices are compiled from public sources (official pricing and docs pages, published reviews, user reports), not hands-on testing. Prices change often, so check the vendor page before you buy.