Question 1

How is pricing calculated?

Accepted Answer

Pricing is token-based: $1.25 per million input tokens and $10.00 per million output tokens. The minimum charge per call is $0.00025. Actual cost is deducted after each call based on token counts returned by the model.

Question 2

Does Gemini 2.5 Pro support images?

Accepted Answer

Yes. Pass an image_url in the request body to include an image as part of the user message.

Question 3

Does Gemini 2.5 Pro support system prompts?

Accepted Answer

Yes. You can supply an optional system_prompt field to guide the model's behavior and tone.