Aider vs Codeium (Devin Desktop)

Detailed side-by-side comparison to help you choose the right tool

Aider

🔴Developer

AI Coding Assistant

Open-source terminal coding agent that pairs with git, edits multiple files at once, and works with any leading LLM.

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Starting Price

Free
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Codeium (Devin Desktop)

🟡Low Code

AI Development Platforms

Codeium has rebranded to Devin Desktop under Cognition — an IDE plus coding-agent command center with Free, Pro $20, Max $200, and Team plans.

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Starting Price

Custom
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Feature Comparison

Scroll horizontally to compare details.

FeatureAiderCodeium (Devin Desktop)
CategoryAI Coding AssistantAI Development Platforms
Pricing Plans14 tiers8 tiers
Starting PriceFree
Key Features
  • • Terminal-based AI pair programming
  • • Direct file editing with Git auto-commits
  • • Multi-model support (Claude, GPT-4o, DeepSeek, local)

    Aider - Pros & Cons

    Pros

    • ✓Terminal-native coding with auto-generated git commits
    • ✓Multi-file edits with diff, whole-file, and unified-diff formats
    • ✓Model-agnostic BYOK across 20+ providers

    Cons

    • ✗Requires comfort with a terminal, Git, and model API keys
    • ✗Model API charges and data handling depend on the provider the user selects
    • ✗Automatic commits are convenient but still require human review and tests

    Codeium (Devin Desktop) - Pros & Cons

    Pros

    • ✓Bundles a real IDE, frontier model access, and Devin Cloud agents at $20/month — competitive with Cursor
    • ✓SWE 1.6 (Cognition's own coding model) is free on Pro+ and is improving fast as a first-party model
    • ✓Agent Client Protocol and parallel session management are genuinely useful for multi-agent workflows

    Cons

    • ✗Rebrand from Codeium / Windsurf to Devin Desktop has created naming confusion across docs and tutorials
    • ✗Free plan is now meaningfully more limited than the original Codeium free-forever autocomplete
    • ✗$200/mo Max plan matches Cursor Ultra without a clear quality advantage on frontier model output

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    Review AiderReview Codeium (Devin Desktop)