Side-by-Side Comparison · 2026

Devin vs Jules: Full Comparison (2026)

Devin is autonomous ai software engineer - devin 2.0 at $20/mo. Jules is google's asynchronous coding agent. Use the breakdown below to find the right fit for your needs.

Devin

Cognition AI

Paid
vs

Jules

Google

Freemium
This page presents factual information sourced from publicly available vendor documentation and product pages. AIHub does not endorse either product. The right tool depends on your specific use case, team, and requirements — we recommend evaluating both tools directly before making a decision.

Side-by-Side Overview

Pricing Model
Devin: PaidJules: Freemium
API Access
Devin: Not availableJules: Not available
Platforms
Devin: WebJules: Web
Integrations
Devin: —Jules: 1 integrations
Vendor
Devin: Cognition AIJules: Google
Category
Devin: Code AssistanceJules: Code Assistance
Launch
Devin: —Jules: Dec 2024 (Labs preview); public beta May 2025; GA Aug 6, 2025

About Devin

Devin by Cognition AI is an autonomous AI agent capable of completing complex software engineering tasks end-to-end. It operates its own browser, terminal, and code editor, planning and executing multi-step engineering projects. Devin 2.0 (Mar 2025) dramatically reduced pricing from $500/mo to $20/mo and added collaborative features. Cognition also acquired Windsurf (Codeium) on 14 July 2025, on undisclosed terms.

Designed For

  • Full feature development
  • Bug resolution
  • Codebase exploration
  • Test writing
Full Devin details

About Jules

Jules is an asynchronous coding agent from Google Labs. It clones a GitHub repo into a cloud VM, plans with Gemini, and works in the background on tasks such as writing tests, fixing bugs and updating dependencies, then proposes changes for review.

Designed For

  • Bug fixing
  • Writing tests
  • Dependency updates
  • Background refactors
Full Jules details

Strengths & Limitations

Devin

Strengths

  • Fully autonomous
  • Handles long-horizon tasks
  • Sets up own environment
  • Dramatically lower cost (Devin 2.0)
  • Collaborative mode

Limitations

  • Can make mistakes on complex tasks
  • Still requires oversight
  • Occasional infinite loops

Jules

Strengths

  • Runs asynchronously in the cloud
  • Free tier
  • Higher limits bundled with Google AI Pro/Ultra

Limitations

  • Centred on GitHub
  • Daily task limits on the free tier

Frequently Asked Questions

What is the difference between Devin and Jules?

Devin is autonomous ai software engineer - devin 2.0 at $20/mo, while Jules is google's asynchronous coding agent. Devin is designed for Code Assistance; Jules is designed for Developers offloading routine maintenance, Google AI Pro/Ultra subscribers. The right fit depends on your specific requirements.

How do the pricing models compare?

Devin is available under a Paid model. Jules is available under a Freemium model. Devin's entry tier starts at $20/mo. Always verify pricing on each vendor's official website as it may change.

What integrations does each tool support?

Devin integrates with various tools. Jules integrates with GitHub. Check each vendor's documentation for the full and current list.

How do I choose between Devin and Jules?

Consider your team's technical requirements, budget, existing tooling, and use case before deciding. We recommend signing up for free trials or demos of both tools where available, and consulting each vendor's documentation. AIHub provides this comparison for informational purposes only.