Google Launches Antigravity: An Agent-First Development Platform Built on Gemini 3 Pro

Reviewed byNidhi Govil

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Google unveils Antigravity, a revolutionary AI-powered development environment that enables multiple autonomous agents to handle complex coding tasks. Built on Gemini 3 Pro and forked from VS Code, it transforms developers into architects who delegate end-to-end software development to intelligent AI agents.

Revolutionary Development Platform Emerges

Google has unveiled Antigravity, a groundbreaking development environment that represents what the company calls "a new era in AI-assisted software development."

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Launched alongside the announcement of Gemini 3 Pro, Antigravity is designed as an "agent-first" platform that fundamentally transforms how developers approach software creation.

Source: Digital Trends

Source: Digital Trends

The platform enables multiple AI agents to work autonomously across various development environments, including the editor, terminal, and web browser. Rather than serving as a simple coding assistant, Antigravity positions itself as a comprehensive digital workforce that can handle complex, multi-step programming tasks with minimal human intervention.

Built on Familiar Foundations

While Google presents Antigravity as revolutionary, the platform is actually built as a fork of Microsoft's open-source Visual Studio Code.

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This strategic decision provides immediate familiarity for developers already comfortable with VS Code's interface and functionality.

The choice to build upon VS Code's foundation allows Google to focus on implementing powerful agentic features while maintaining an environment that millions of developers already know how to navigate.

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This approach significantly lowers the barrier to entry for adoption.

Dual Interface Design

Antigravity offers two distinct usage modes tailored to different development workflows. The default Editor view provides a traditional Integrated Development Environment experience, similar to competitors like Cursor and GitHub Copilot, with an AI agent operating from a side panel.

The innovative Manager view represents Antigravity's most distinctive feature, designed specifically for controlling multiple agents simultaneously. Google describes this interface as "mission control for spawning, orchestrating, and observing multiple agents across multiple workspaces in parallel."

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This allows developers to manage multiple projects concurrently, each with dedicated AI agents handling different aspects of development.

Advanced Verification and Feedback Systems

One of Antigravity's key innovations is its approach to work verification through what Google calls "Artifacts." As agents complete tasks, they generate comprehensive documentation including task lists, plans, screenshots, and browser recordings.

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These Artifacts serve as verification tools, making it easier for developers to understand and validate the AI's work compared to traditional action logs.

The platform also introduces sophisticated feedback mechanisms that allow developers to leave comments directly on specific Artifacts. This enables continuous guidance without interrupting the agent's workflow, addressing a common frustration with current AI coding tools.

Browser Integration and Real-Time Testing

Antigravity's browser integration capabilities represent a significant advancement in AI-assisted development. The platform includes a Google Chrome extension that enables AI agents to run code within actual browser instances, test functionality, observe behavior, and take corrective action.

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This real-time testing capability allows agents to capture screenshots and screen recordings independently, then use developer comments on these visual elements to guide improvements. While currently limited to browser-based applications, this feature could dramatically boost productivity for web development projects.

Multi-Model Support and Accessibility

Despite being built around Gemini 3 Pro, Antigravity maintains compatibility with third-party AI models including Anthropic's Claude Sonnet 4.5 and OpenAI's GPT-OSS.

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This flexibility prevents immediate vendor lock-in and provides developers with options based on their specific needs and preferences.

The platform is currently available as a free public preview across Windows, macOS, and Linux systems. Google offers what it describes as "generous rate limits" for Gemini 3 Pro usage, with limits refreshing every five hours. However, some early users report hitting quotas faster than expected, with rate limiting occurring after just a few prompts in some cases.

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Industry Impact and Future Implications

Antigravity represents a fundamental shift from AI-assisted coding to truly autonomous development.

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Rather than helping developers write code faster, the platform aims to transform developers into high-level architects who delegate complex implementation tasks to AI agents.

This approach could dramatically lower barriers to software development, potentially enabling small teams or individual creators to compete with larger development organizations. The platform's emphasis on "vibe coding" - translating high-level ideas into functional software through natural language prompts - suggests a future where technical implementation expertise becomes less critical than strategic thinking and creative vision.

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