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TopCodeTools

Devin vs Codegen

Devin and Codegen are both popular tools in the AI Agents space. Both use a paid pricing model, with Devin starting at $500/mo and Codegen at $49/mo. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.

Last updated: March 2026

Quick Verdict

Choose Devin if you want the world's first fully autonomous ai software engineer.. Devin's biggest strengths include most autonomous ai coding agent available and can handle end-to-end tasks without hand-holding. It's also rated higher (4.2 vs 3.9). Choose Codegen if you prefer ai agent for automated code migrations and large-scale refactors.. Key advantages include unmatched at large-scale code transformations and semantic understanding prevents breaking changes.

Devin

The world's first fully autonomous AI software engineer.

AI Agents
4.2
Codegen

AI agent for automated code migrations and large-scale refactors.

AI Agents
3.9
Pricing

paid

$500/mo

No free tier

Visit Devin →

paid

$49/mo

No free tier

Visit Codegen →
At a Glance
Devin Codegen
Pricing $500/mo $49/mo
Free Tier No No
Pricing Model Paid Paid
Rating 4.2 3.9
Categories AI Agents AI Agents
Key Features 5 features 6 features
Feature-by-Feature Comparison
Feature Devin Codegen
Fully autonomous coding from task description to deployment
Sets up its own dev environment and toolchain
Plans, codes, debugs, and tests independently
Handles complex multi-step engineering tasks
Slack integration for task assignment and updates
Automated code migrations and framework upgrades
Semantic code graph for deep codebase understanding
Large-scale refactoring across entire repositories
Dependency analysis and impact assessment
Custom transformation scripts
CI/CD integration for automated changes
Pros & Cons

Devin

Pros

  • + Most autonomous AI coding agent available
  • + Can handle end-to-end tasks without hand-holding
  • + Great for repetitive or well-defined engineering tasks

Cons

  • Very expensive at $500/mo for teams
  • Output quality varies on complex or ambiguous tasks
  • Limited transparency into decision-making process

Codegen

Pros

  • + Unmatched at large-scale code transformations
  • + Semantic understanding prevents breaking changes
  • + Saves weeks of manual migration work
  • + Strong dependency analysis capabilities

Cons

  • Expensive for individual developers
  • Overkill for small projects or simple refactors
  • Requires onboarding time to configure properly

The Bottom Line

Choose Devin if: you want the world's first fully autonomous ai software engineer.. It holds a higher user rating (4.2 vs 3.9). Keep in mind: very expensive at $500/mo for teams.

Choose Codegen if: you prefer ai agent for automated code migrations and large-scale refactors.. Keep in mind: expensive for individual developers.

Both tools compete in the AI Agents space. The right choice depends on your specific needs, team size, and budget.

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