The model list in Antigravity is misleading; Gemini 3 Pro is actually Gemini 2.0 Flash, and Claude Opus 4.5 is actually Claude 3.5 Sonnet

[ihssmaheel]

Please refer this also.

Claude Opus shows as "Claude Sonnet 4" when asked about model identity in Antigravity IDE

[image] Issue Summary When using Claude Opus 4.5 in Antigravity IDE and asking the agent “What model are you?”, it consistently responds with “Claude Sonnet 4 (claude-sonnet-4-20250514)” instead of identifying as Opus. Steps to Reproduce Open Antigravity IDE Select Claude Opus 4.5 (Thinking) from the model dropdown Ask the agent: “what claude model are you?” Agent responds: “Claude Sonnet 4 (claude-sonnet-4-20250514)” Expected Behavior The agent should correctly identify itself as Claude Op…