Aider vs Devin

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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Devin

🔴Developer

Autonomous coding agent

An autonomous software engineering agent designed to take assigned development work from plan through implementation.

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Starting Price

$500/mo
Full ReviewVisit Site

Feature Comparison

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FeatureAiderDevin
CategoryAI Coding AssistantAutonomous coding agent
Pricing Plans58 tiers154 tiers
Starting PriceFree$500/mo
Key Features
  • • Terminal-based AI pair programming
  • • Direct file editing with Git auto-commits
  • • Multi-model support (Claude, GPT-4o, DeepSeek, local)
  • • Cloud AI software engineering agent
  • • Plans, codes, tests, and opens pull requests
  • • Parallel task execution for migrations and refactors

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

Devin - Pros & Cons

Pros

  • ✓Handles work beyond a single completion
  • ✓Produces changes suited to pull-request review
  • ✓Useful for repetitive maintenance and parallel backlog work

Cons

  • ✗Current pricing was not verifiable in static HTML
  • ✗Ambiguous requirements can cause expensive rework
  • ✗Broad repository and MCP access needs governance

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🔒 Security & Compliance Comparison

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Security FeatureAiderDevin
SOC2—✅ Yes
GDPR——
HIPAA——
SSO—✅ Yes
Self-Hosted—❌ No
On-Prem—❌ No
RBAC—✅ Yes
Audit Log——
Open Source—❌ No
API Key Auth—✅ Yes
Encryption at Rest—✅ Yes
Encryption in Transit—✅ Yes
Data Residency——
Data Retention——
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Review AiderReview Devin