Jules
Jules is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Google DeepMind (released 2025-12). Jules integrates with 2 verified models, including Gemini 3 Pro and Gemini 2.5 Pro. Pricing starts at Free beta (Google One AI Premium subscribers). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup.
Overview
Experimental async AI coding agent from Google that handles GitHub issues autonomously in the background, producing pull requests without blocking developers.
Featured Model Specs
| Model | Lab | Released | Context | Reasoning | Open source |
|---|---|---|---|---|---|
| Gemini 3 Pro | Google DeepMind | 2025-12-11 | 1M | No | No |
| Gemini 2.5 Pro | Google DeepMind | 2025-06-17 | 1M | No | No |
Underlying Models
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FAQ
What is Jules?
Jules is a proprietary cloud-hosted coding environment for AI-assisted coding, built by Google DeepMind (released 2025-12). It's a hosted environment accessed via browser, where teams can delegate implementation, preview changes, and move from prompt to pull request without managing local setup. It is primarily used for browser-based autonomous development and task delegation.
What models does Jules support?
Jules runs Gemini 3 Pro, Gemini 2.5 Pro.
How much does Jules cost?
Jules costs Free beta (Google One AI Premium subscribers).
Is Jules open source?
No, Jules is a proprietary cloud-hosted coding environment.
What are alternatives to Jules?
Alternatives include Bolt.new, v0, and Claude Cowork.
When was Jules released?
Jules was released in 2025-12.