this page
https://openrouter.ai/google/gemini-pro-1.5
says you can get from Google Vertex or Google AI Studio, but Google AI Studio does not offer the 1.5 models any more. Google Vertex has gemini-1.5-pro-002, but it says:
Model is being deprecated soon, we suggest you update to gemini-2.5-flash-lite
Google's latest multimodal model, supports image and video[0] in text or chat prompts.
Optimized for language tasks including:
- Code generation
- Text generation
- Text editing
- Problem solving
- Recommendations
- Information extraction
- Data extraction or generation
- AI agents
Usage of Gemini is subject to Google's [Gemini Terms of Use](...