Google’s Gemini 3 is now powering the autonomous agent Jules, pushing in a new era for developers seeking smarter, more reliable AI assistance. With Gemini 3 Pro available to Google AI Ultra subscribers and soon for Pro users, this leap in intelligence is setting a fresh benchmark for agentic coding experiences.
The question is: Will Pro 3 make Jules a feasible product for professional developers or another Google Labs flop? Try it today at https://jules.google/ to see for yourself.
What Sets Gemini 3 Pro Apart?
The advancements in Gemini 3 Pro over its predecessor are striking. Developers now benefit from improved performance on intricate, multi-step coding tasks. The model’s enhanced reasoning abilities mean Jules can now tackle complex agentic workflows and zero-shot tasks with greater clarity and intent alignment. This translates to fewer interruptions and a smoother road from idea to execution.
- Enhanced reliability: Projects maintain coherence across multiple steps, reducing the need for constant oversight.
- Improved context management: Whether using the terminal, CLI extension, or API, your project’s state persists seamlessly across interfaces.
- Agentic intelligence: Gemini 3 is engineered for autonomy, laying the foundation for next-generation coding agents that handle sophisticated software development tasks.
Always-On, Seamless Developer Support
Jules, now supercharged by Gemini 3, is built to be omnipresent—ready to assist, regardless of your preferred workflow. Through the terminal, CLI tools, or API integrations, Jules maintains a unified, up-to-date view of your projects. This always-on approach means you spend less time managing tools and more time focusing on creative solutions, even as projects scale in complexity.
- Consistent project state across platforms
- Uninterrupted workflow with instant AI support
- Smart transitions through multi-step development cycles
Recent Enhancements and What’s Next
Google’s commitment to making Jules more predictable and transparent is evident in several recent upgrades:
- CLI enhancements: Parallel run support, better Windows compatibility, faster invocation, and a new diff viewer streamline coding and collaboration.
- API stability: The Jules API now supports more customization and robust third-party integrations.
- Session memory upgrades: Improved handling of environment variables and better memory persistence create a smoother session experience.
- Critic agent enhancements: Reliable re-engagement keeps projects on track during lengthy or complex planning cycles.
- Safer Git handling: Enhanced security and predictability in source control workflows.
- Faster virtual machines: Quicker response times mean less waiting and more productivity.
Anticipated updates promise to make Jules even more developer-friendly:
- Attach directories independent of GitHub for easier project onboarding
- Automatic project title updates for clearer histories
- CLI shortcuts directly in the web UI
- Streamlined start modes for faster setup
- Automatic pull requests for experimental workflows
Stay informed by checking the changelog for the latest features, CLI improvements, and ongoing quality enhancements.
Takeaway: A New Standard for AI-Driven Development
The integration of Gemini 3 into Jules points to a future where AI coding agents do more than assist—they actively collaborate, enabling developers to focus on innovation. With its focus on reliability, context, and seamless integration, Google is redefining what’s possible in software development. Ready to experience next-level coding? Jules with Gemini 3 is now available at jules.google.com.


How Gemini 3 in Jules Is Transforming AI Coding Agents