Thanks for clarifying. Here’s what’s happening:
The error message "insufficient credits. This account never purchased credits..." means that your OpenRouter account does not have any credits, and OpenRouter does not automatically honor Google Cloud or Vertex AI free trial credits.
Even though you signed up for a Google free trial, when you use OpenRouter as the API gateway for models like google/gemini-2.5-pro, you must have OpenRouter credits in your account. OpenRouter bills separately from Google and requires you to purchase credits directly through their platform, regardless of your Google Cloud trial status.
"Starting at $1.25/M input tokens ... OpenRouter routes requests to the best providers ... [see pricing and providers]" Gemini 2.5 Pro - API, Providers, Stats | OpenRouter
To use Gemini models through OpenRouter, you need to purchase credits on OpenRouter. Free trials on Google Cloud or Vertex AI do not apply to OpenRouter usage.
If you have further billing or account concerns, please email [email protected]. OpenRouter does not handle billing issues on Discord.
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