Claude Opus 5.5 and Sonnet 5.5 spotted in Antigravity's model picker alongside Gemini 3.8
Some_Medicine4472 · reddit · 2026-10-13
A Reddit screenshot of Google Antigravity's model picker shows 'New' entries for Claude Opus 5.5 Medium and Claude Sonnet 5.5 Medium, plus Gemini 3.8 Flash High and GPT-OSS 120B. If genuine, it's the first third-party sighting of the Claude 5.5 lineup — unverified leak.
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