October 3, 2025 · Black Forest LabsDeprecation
Flux Pro 1.0 endpoints and finetuning API deprecated on October 31, 2025
October 31, 2025 - Flux Pro 1.0 Endpoints
The following endpoints will be deprecated. Migrate to flux-pro-1.1 or flux-kontext-pro.
Deprecated endpoints:
flux-pro-1.0flux-pro-1.0-depthflux-pro-1.0-canny
Migration targets:
October 31, 2025 - Finetuning API
The finetuning API will be deprecated, including all finetuning-related endpoints.
Deprecated endpoints:
/v1/finetuneflux-pro-finetunedflux-pro-1.1-ultra-finetunedflux-pro-1.0-depth-finetunedflux-pro-1.0-canny-finetunedflux-pro-1.0-fill-finetuned
No migration path available. Finetuning functionality will be discontinued.
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Latest Black Forest Labs API changes
FLUX 3 Image adds exact width and height and match_input resolution for edits
FLUX 3 Image Klein released, a 5.6B open-weights model from $0.008 per image
FLUX 3 Image released, with bounding boxes in prompts and up to 4K output
FLUX 3 video API adds qhd (2K) and uhd (4K) resolutions, from $0.40/s
Automatic credit recharge added, with a threshold and target balance