Opus 5.5 and Sonnet 5.5 Now Available in Google Antigravity
NBMVegeta · reddit · 2026-10-03
Reddit users report that Anthropic's Opus 5.5 and Sonnet 5.5 have appeared in Google Antigravity, meaning the Claude models can now be selected directly inside the IDE. It's a sign the Anthropic–Google model integration has gone live in practice.
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