FLUX Video Upscaler upgrade claims best-in-class, cheaper and 2x faster than Topaz Astra 2
bfl_ai · x · 2026-10-23
Black Forest Labs announced a full upgrade to FLUX Video Upscaler, calling it the best video upscaler on the market while costing less than Topaz Astra 2 and running twice as fast.
Key details:
- Generative super-resolution powered by FLUX 3 (not naive interpolation), upscaling any 480p+ source to 1080p/2K/4K with a 1.5x-3x factor (default 2x)
- One creativity parameter spans two modes: precise (0, preserves faces, products, brand assets) and creative (1, aggressively regenerates detail — sharpest on generated footage, textures, crowds; faces may drift)
- Repairs artifacts exposed by upscaling: smudged faces, soft eyes, gridded texture artifacts on water and grass
- API workflow: one POST (up to 20s, 50MB) plus polling for a signed mp4; source audio carries through and an optional prompt steers the creative mode
Related event: Black Forest Labs Upgrades FLUX Video Upscaler, Claims It Beats Topaz(2 posts)→
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