Gemini Flash Image is Google's image model, and on Apiarium it's the cheapest image generation option available — even less than GPT Image 1. If cost matters more than having a specific visual style, and you're generating images at any real volume, this is worth testing against your use case first.

Image models vary in style and tendencies even at similar quality tiers, so the right choice often comes down to which one's default aesthetic matches what you're building, not just price.