Black Forest Labs · FLUX [klein] line · image · open weights
FLUX 3 Image Klein was released by Black Forest Labs on October 15, 2026, as an open-weights image model in the FLUX [klein] line.
Brings FLUX 3 Image's editing, up to ten reference images and bounding-box layout to a 5.6B open-weights model that runs on consumer GPUs down to an RTX 3090, with output up to 4K.
Compared with FLUX.2 [klein] · the model it replaces
Costs under one cent per image through the API
API price — dollars per image at 1K resolution
$0.009
✦ launch price · $0.036 at 4K · weights free to download
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FLUX 3 Image Klein is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Latest: FLUX 3 Image Klein · Oct 15, 2026
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