# Google gives engineers access to Claude Opus 5 through Antigravity

_Tuesday, September 15, 2026 at 4:25 AM EDT · AI, Products · Latest · Tier 2 — Notable_

Google has given all of its engineers access to Anthropic's Claude Opus 5 through Antigravity, Business Insider reported. Google said Gemini remains its primary and foundational model for internal development. The move expands engineers' access to an outside frontier model while retaining Gemini as the company's stated core internal-development model.

## Sources

- [Techmeme](https://www.techmeme.com/260915/p5#a260915p5)

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Publisher: Tech & Business (techandbusiness.org)