Automatic1111 on Apple Metal: 40% Faster SD1.5

Automatic1111 for Apple metal, 40% speed up sd1.5

Automatic1111 on Apple Metal: 40% Faster SD1.5

A developer shares how they got Automatic1111, a popular Stable Diffusion web UI, running on Apple's Metal API with an M3 Pro chip, achieving a 40% speedup for SD1.5 models. The post details the technical journey, from initial 8-10 second generation times down to 3-7 seconds, and includes benchmarks and optimization tips.

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  1. vanillax

    SD 1.5 is so insanely old at this point im not sure the point of this when you have Mini Max H3 on metal https://news.ycombinator.com/item?id=49252179

  2. jurgenburgen

    Trigger warning: AI content.

  3. IronWolve

    Automatic1111 wasnt being updated, people moved to Forge Neo, ComfyUI and Maestro.

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2026-08-12