ByteDance's proprietary image generation and editing models. 4.5 renders up to 4K at a flat cost; 5.0 Pro trades 4K for higher precision on text, layout and reference-guided edits; 5.0 Flash is the fastest and cheapest, up to 2K at a flat cost.
Natural language.
Prompt understanding, text rendering, photorealism, reference-guided editing.
Permissive
Medium. 5.0 Flash costs half of 4.5; 5.0 Pro's 2K output costs twice its 1K output.