The Imagen 4 standard, ultra, and fast endpoints are deprecated and will be shut down on **August 17, 2026**; migrate to Gemini 3.1 Flash Image to avoid service interruptions. A high-performance engine for advanced visual synthesis, offering sophisticated creative control and photorealistic output. Use Imagen 4 for professional branding, intricate scene composition, and high-fidelity design tasks that require precise text rendering and complex lighting.
function_callinghttps://generativelanguage.googleapis.com/v1beta/v1beta/models/{model}:generateContenthttps://generativelanguage.googleapis.com/v1beta/v1beta/models/{model}:streamGenerateContent/v1/models/google/imagen