Code 2025
Defying Gravity - Kevin Hou, Google DeepMind
Overview
Anti-gravity is a new AI developer platform from Google DeepMind designed with an agent-first approach. It integrates an editor, a browser, and an agent manager to provide a cohesive environment for AI-powered software development. The platform aims to leverage advancements in AI models, particularly in areas like reasoning, multimodal capabilities, and tool use, to enable more ambitious and complex agentic workflows.
Who should watch
- AI Engineers
- Product Managers
- Developers building with AI agents
- Those interested in the future of IDEs and developer tools
- Individuals facing challenges with multi-tasking and agent supervision
Key takeaways
- Anti-gravity features an agent manager as a central hub, an AI-powered editor with an agent sidebar, and an agent-controlled browser that can interact with the web, including executing JavaScript and accessing authenticated resources.
- The platform introduces the concept of "artifacts," which are dynamic representations of information generated by agents, serving as a more intuitive way to review and supervise agent work compared to raw conversation logs.
- Artifacts can take various forms, including markdown plans, walkthroughs, task lists, diagrams, images, and screen recordings, allowing agents to choose the most appropriate format for communication and verification.
- The system supports iterative feedback through comments on artifacts, similar to collaborative document editing or GitHub pull requests, enabling users to guide agent execution.
- Anti-gravity is built on a research-product flywheel, with Google DeepMind engineers acting as their own primary users to identify model gaps and drive product improvements.
- Advancements in models like Gemini 3, particularly in multimodal understanding and reasoning, are crucial enablers for the platform's capabilities, such as browser interaction and image-based design iteration.
- The platform facilitates parallel execution of tasks, with the agent manager optimizing the UI for reviewing and managing these parallel workflows and their associated artifacts.
- An "escape hatch" allows seamless transition from the agent manager to the editor for developers who need to take direct control or complete tasks manually.
Notable quotes
*Anti-gravity is unapologetically agent first.*
*The product is only ever as good as the models that power it.*
*An artifact is a dynamic representation of something that the agent generates.*
Unofficial community note. Prefer the recording for nuance.