Gemini Structured Output via OpenRouter: Vertex vs AI Studio Backend Shows Wildly Different Performance
mariofilhoml · x · 2026-08-14
A developer noted that if you are using Gemini models for structured output via OpenRouter, you should pay close attention to the backend. Performance can be wildly different depending on whether the request is routed through Vertex or AI Studio.
Related event: Gemini 3.7 Flash Structured Output Varies by Backend(2 posts)→
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