User discovers his 'terrible' Flux 2 Klein results were caused by a wrong text encoder
Own-Poetry8203 · reddit · 2026-10-04
A Reddit user confesses he dismissed Flux 2 Klein months ago after getting ugly, patchy, weird-colored outputs, assuming local image editing models were bad and switching to ChatGPT and Nano Banana.
While cleaning up his ComfyUI install today, he found the real culprit: he had downloaded the wrong text encoder — qwen3vl8bfp8scaled.safetensors instead of the correct qwen38bfp8mixed.safetensors. With the right file, Flux 2 Klein works great.
Lesson: before blaming a local image model, verify that component files like the text encoder actually match the model version.
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