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Jules

Google's autonomous AI coding agent that fixes bugs, writes tests, and ships PRs directly inside your GitHub workflow — asynchronously.

Our take: Jules is an AI-powered coding assistant that integrates seamlessly with GitHub, automating tasks like bug fixes, test writing, and pull request creation.

Best forDevelopers and engineering teams looking to automate repetitive coding tasks like bug fixes, tests, and documentation without leaving GitHub
ReviewedPricing: Freemium
7.5 out of 105 criteria · see breakdown
Try JulesPricing details not publicly disclosed
The bottom line

Jules offers a robust solution for automating routine coding tasks within GitHub, enhancing developer productivity.

Our score

Reviewed by the Conversion Gems editorial team. Hover a facet to focus it; click to pin.Tap a facet to focus it.

What it is, and why we rate it

One line each. Open a row for detail.

What it really isJules — Google's autonomous AI coding agent for GitHub workflows.
Our takeJules is an AI-powered coding assistant that integrates seamlessly with GitHub, automating tasks like bug fixes, test writing, and pull request creation.
It operates asynchronously, allowing developers to submit tasks and receive completed pull requests without manual intervention. The tool supports multiple programming languages and ensures each task runs in an isolated environment, maintaining code privacy. Specific pricing details are not publicly disclosed.
Why we rate itJules effectively automates routine coding tasks, integrating seamlessly with GitHub to enhance developer productivity.
The catchPricing details are not publicly disclosed, and complex tasks may still require human intervention.

Best / not good for

Best for
  • Developers using GitHub
  • Teams automating coding tasks
  • Projects in supported languages
Not good for
  • Non-GitHub users
  • Tasks requiring long-running processes
  • Highly complex or ambiguous tasks
Trade-offs

Friction report

Trade-offs to know before signing up.

  1. Time to value
    Fast: Quick setup and task execution within GitHub.
  2. Scale breakpoint
    Task and concurrency limits vary by plan tier.
  3. Walled garden
    Moderate: Requires GitHub integration; limited to supported languages.
Still a fit?
If none of these block you, start on the free plan.
Try Jules

Frequently Asked Questions

Is Jules free to use?

Yes — Jules offers a free base tier with a daily task limit and a set number of concurrent tasks. Higher-capacity paid tiers are available through Google subscriptions, offering more daily tasks, more concurrency, and access to priority model variants.

Which programming languages does Jules support?

Jules is optimised for JavaScript, TypeScript, Python, Go, Java, and Rust. It is also broadly language-agnostic, so other languages can work depending on how the project's VM environment is configured.

How does Jules fit into an existing GitHub workflow?

Jules integrates directly with GitHub. You can trigger tasks by applying a 'jules' label to a GitHub issue, by selecting a repository and branch in the Jules web interface, or programmatically via the Jules API. Jules then creates a pull request with the changes for your team to review and merge.

Does Jules train its models on my private code?

No. Jules explicitly does not use your private repository content to train its models. Each task runs in an isolated cloud VM, and your data stays within that execution environment.

What kinds of tasks is Jules best suited for?

Jules excels at discrete, well-scoped tasks: fixing bugs, writing unit tests, updating dependencies, adding documentation, bumping package versions, and implementing defined features. It does not currently support long-running processes such as local development servers inside its setup scripts.

Alternatives

  • Step up

    GitHub Copilot for real-time code suggestions.

  • Lighter alternative

    Tabnine for AI code completions.

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Tags

#AI coding#developer tools#GitHub automation

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