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Flux2 Klein: cut the Qwen3 text encoder’s VRAM from 5.5 to 3.2 GB with identical output (new node)

Flux2 Klein only reads three hidden layers from its Qwen3 text encoder (9, 18 and 27), but the standard loaders build and run the full 36-layer model, plus the final norm and the LM head. On top of that, ComfyUI-GGUF dequantizes the whole token embedding table to fp16 when it loads the GGUF. I made…

Read the full story at r/StableDiffusion ↗

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  1. 2026-10-27 18:02 · r/StableDiffusion
    Flux2 Klein: cut the Qwen3 text encoder’s VRAM from 5.5 to 3.2 GB with identical output (new node)

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