
Antigravity Adds Claude Opus 5.5 and Sonnet 5.5 for Pro and Ultra, and Retires GPT-OSS and Claude 4.6 on November 2
Antigravity now lists Opus 5.5 and Sonnet 5.5 for non-trial Google AI Pro and Ultra; Claude 4.6 and GPT-OSS-120b go Nov 2. Who is affected and what to do.











