Limited Claude Access in Google One Student Plan: Credential Cooling Issue

Users have reported that when accessing the Claude model gemini-claude-sonnet-4-5 through the Antigravity provider with Google One Student Plan, they encounter 429 errors after just a few uses, with prompts indicating credential cooling. This suggests that the AI service has usage limitations, and the actual experience doesn’t meet expectations. The issue involves Google, Antigravity, and the Claude model, providing valuable insights into AI service technical details and credential management, revealing potential bottlenecks users may face in practical applications.