Gemini models can generate images with detailed prompts at $0.04 per image....

https://titusssplendidperspective.almoheet-travel.com/is-canvas-available-on-the-free-tier-or-do-i-need-pro

Gemini models can generate images with detailed prompts at $0.04 per image. This pricing lets teams create visuals within budgets, avoiding surprise costs