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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.

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