Antigravity 2.24 adds model choice for automations and Claude 5.5 models through Vertex AI
Antigravity app 2.24.0 lets automations run on Flash Lite, Flash or Pro, adds /compact and a redesigned side panel. With Application Default Credentials sign-in, the model picker offers Claude Opus 5.5 and Claude Sonnet 5.5 when the Google Cloud project has access to them.
Source
"With Application Default Credentials sign-in, the picker also offers Claude Opus 5.5 and Claude Sonnet 5.5 when your project has access to them."
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