TL;DR
Google will end support for Gemini CLI on June 18, 2026, replacing it with Antigravity CLI, a new platform designed for multi-agent workflows. Existing users are encouraged to transition now.
Google has announced that Gemini CLI will stop functioning on June 18, 2026, as part of its transition to the new Antigravity CLI platform, aimed at supporting multi-agent workflows.
In a May 19, 2026, announcement, Google stated that Gemini CLI and its associated IDE extensions will cease service on June 18, 2026. This change affects users of Gemini AI Pro and Ultra, as well as those utilizing Gemini Code Assist for individuals and GitHub organizations.
The company explained that the transition is driven by evolving user needs, which now favor a unified backend and multi-agent capabilities. The new Antigravity CLI, built in Go for faster performance, will retain core features such as Agent Skills, Hooks, Subagents, and Extensions, now as plugins. It will also share architecture with Antigravity 2.0, the upcoming desktop application, allowing seamless updates across platforms.
Existing enterprise customers with Gemini licenses or using Gemini Code Assist via Google Cloud will continue to have support, with access to Gemini models and API keys. Google encourages users to transition early and provides technical documentation and upcoming video tutorials to facilitate migration.
Why It Matters
This development is significant because it marks a strategic shift by Google towards a more integrated, agent-centric development platform. For developers and organizations relying on Gemini CLI, this means adapting to new tools that promise improved performance and multi-agent orchestration, potentially impacting workflows and project timelines.
The transition also reflects broader trends in AI development, emphasizing unified architectures and scalable agent systems, which could influence future product offerings and developer practices.
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Background
Google launched Gemini CLI last year to bring AI capabilities into the terminal environment, quickly gaining popularity with over 100,000 GitHub stars and a broad community of contributors. The platform was designed for quick, grounded answers and building projects directly from the terminal environment.
However, user feedback indicated a need for more complex, multi-agent workflows, prompting Google to consolidate its efforts into the Antigravity platform, announced earlier this year. The new Antigravity CLI aims to unify the development experience across desktop and terminal, supporting advanced agent orchestration and asynchronous workflows.
“We are here to help make the transition to Antigravity CLI and Antigravity 2.0 as smooth as possible.”
— Google Developer Blog
“Antigravity CLI is built to be faster and more responsive, supporting complex multi-agent workflows.”
— Google spokesperson
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What Remains Unclear
It is not yet clear how existing Gemini CLI users will be affected beyond the scheduled shutdown date, or what specific features will be added to Antigravity CLI in future updates. The timeline for full feature parity and integration with all existing workflows remains uncertain.
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What’s Next
Users are encouraged to begin transitioning to Antigravity CLI now, utilizing the available documentation and tutorials. Google will continue to support Gemini CLI for enterprise customers and through API keys until the scheduled shutdown. Further updates on new features and integration milestones are expected as the platform evolves.
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Key Questions
Will my current Gemini CLI workflows continue after June 18, 2026?
No, Gemini CLI will cease operation on that date. Users should transition to Antigravity CLI to continue their workflows.
Is there a way to test Antigravity CLI before the shutdown?
Yes, Antigravity CLI is available now for testing with Google Cloud projects, and Google provides documentation and tutorials to assist with migration.
Will existing enterprise licenses be affected?
No, enterprise customers with Gemini licenses will continue to have support and access to Gemini models until the service ends.
What features will Antigravity CLI have that Gemini CLI did not?
Antigravity CLI offers faster execution, support for asynchronous workflows, and shares architecture with the upcoming Antigravity desktop app, enabling more advanced multi-agent orchestration.
Source: Hacker News
