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Antigravity

closed / Overall score: n/a

Google's agent-first development platform, shipping a desktop application, a CLI, an IDE and an SDK. It runs agentic development workflows on macOS, Windows and Linux with model optionality across Google, Anthropic and OpenAI models, and integrates with Google Cloud, Firebase and Android. Its CLI supersedes the earlier Gemini CLI.

Openness

1 high confidence

1.0

source: closed
license: proprietary(Google product, free public preview)
self-host: no

Antigravity is a Google service used under Google's own terms, with downloadable apps but no published source and no way to self-host. Its free individual plan and its support for third-party models do not change that, since neither opens the platform's code.

https://antigravity.google/product recorded 2026-09-29
The product page offers the desktop app, CLI, IDE and SDK as downloads, describing "The fully-featured, agentic IDE" and "Simple Python scripts to iterate on agentic applications"; searched the body for source code, repository, open source, self-host and on-prem: none.
https://antigravity.google/terms recorded 2026-09-29
The Antigravity terms page says use of the service is governed by "these Google Antigravity Additional Terms of Service" on top of the Google Terms of Service, a proprietary service agreement with no open source license; searched the body for open source license and found only "third party or open source model" as a model-choice remark.

Adoption

not assessed

Antigravity is a free public preview and Google discloses no user count for it specifically, so there is no honest adoption signal to read. Google's own developer-highlights post describes the Antigravity ecosystem, the 2.0 desktop app and Managed Agents in the Gemini API without giving a download, install, developer or active-user count anywhere.

https://blog.google/innovation-and-ai/technology/developers-tools/google-io-2026-developer-highlights/ recorded 2026-09-29
Google's I/O 2026 developer highlights describe "the launch of a new Google Antigravity 2.0 desktop application" and its CLI, IDE and SDK; searched the body for download, install, developer and active-user counts: none.

Capability

4 medium confidence

4.0

Antigravity has broad agentic features but no published SWE-bench score, so it is rated on feature set alone. That leaves it one step below OpenHands, which has a verified benchmark result.

https://antigravity.google/product recorded 2026-09-29
The product page describes an agent-first surface that will "orchestrate multiple subagents across all your environments" plus the desktop app, CLI, SDK and IDE with "the agent manager"; searched the body for SWE-bench and benchmark figures: none.
https://blog.google/innovation-and-ai/technology/developers-tools/google-io-2026-developer-highlights/ recorded 2026-09-29
The I/O 2026 highlights describe the 2.0 desktop application, CLI and SDK, and "Managed Agents in the Gemini API" that are "powered by the Antigravity agent harness"; searched the body for SWE-bench and benchmark figures for the platform: none.
https://developers.googleblog.com/build-with-google-antigravity-our-new-agentic-development-platform/ recorded 2026-09-29
The launch post describes an agentic platform "compatible with MacOS, Windows, and Linux" with model choice across Gemini, Claude and GPT-OSS; searched the body for SWE-bench and benchmark figures: none.

Verified 2026-09-29