Model Release
Flux 1.1 Pro Ultra: a high-speed image generator now on Replicate
Amy Reed · 4 May 2026
Black Forest Labs releases flux-1.1-pro-ultra on Replicate. FLUX.1.1 [pro] supports ultra and raw modes with images up to 4 megapixels.
Replicate launched black-forest-labs/flux-1.1-pro-ultra, featuring FLUX.1.1 [pro] in ultra and raw modes. This model generates images up to 4 megapixels. Vibe Builders gain direct access through Replicate's HTTP API or existing tokens.