Not sure — use a typical range Stable Diffusion XL 1.0 Stable Diffusion 1.5 FLUX.1 [dev] Stable Diffusion 3.5 Large Qwen-Image (Alibaba) FLUX.2 [dev] (Black Forest Labs) Other closed image model (generic) OpenAI GPT Image (gpt-image-1 class, closed) Google Nano Banana / Imagen (Gemini 2.5 Flash Image class, closed) Midjourney (v7 class, closed) Ideogram (v3 class, closed) Recraft V3 (closed) Adobe Firefly (Image 4 class, closed) ByteDance Seedream (4.x class, closed) Open tools are mostly measured in published studies. Companies behind closed ones (Midjourney, GPT Image…) don’t publish figures, so those are estimates with a wider range.
512 × 512 (small) 1024 × 1024 (standard) 2048 × 2048 (large) Bigger images take more computing. Not sure? Leave the default.
World average United States European Union United Kingdom India Brazil Electricity is cleaner in some places than others, which changes the carbon. Not sure? Keep the world average.