Developers who want hosted agents without building sandboxes should try it while sandbox compute is unbilled during the preview.
Kenning's take
What it does
Managed Agents lets developers start an agent with one Gemini API call. The agent, built on Google's Antigravity agent, reasons, calls tools, runs code and browses the web inside an isolated Linux environment that persists between calls. Developers can define custom agents with AGENTS.md and SKILL.md files.
- Single API call starts an agent
- Isolated remote Linux sandbox
- Code execution, file handling and web browsing
- Custom agents defined in markdown files
- Sessions resume with files and state intact
Who it suits. Developers who want hosted agents without building their own sandboxes.
Key facts
- Category
- Developer tools
- Part of
- Google Gemini
- Made by
- Based in
- United States
- Released
- 19 May 2026
- How to get it
- Gemini API via the Interactions API and Google AI Studio, in preview
- Works on
- API
- In the UK
- Yes
- API price
- Standard Gemini list rates for all model tokens; environment compute free during preview
FAQ
What are Gemini Managed Agents?
A Gemini API feature that starts an agent in a Google-hosted Linux sandbox with one call.
How much do Managed Agents cost?
Model use is billed at standard Gemini token rates; Google does not bill sandbox compute during the preview.
When did they launch?
19 May 2026, at Google I/O.
Facts from the maker's own pages and the sources listed. Checked 2026-10-11.
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