Flux 3 Klein's default ComfyUI template struggles at high resolutions
desktop4070 · reddit · 2026-10-16
Reddit user desktop4070 reports that Flux 3 Klein's default ComfyUI template underperforms and shares a comparison grid across 1.0–9.0 MP: Default Template (euler+simple, 15 steps), LCM (lcm+beta, 8 steps), and ERSDE (srsde+sgmuniform, 20 steps). LCM shows a clear speed edge at high resolutions (75s at 9 MP vs 90s default), and all three configs degrade noticeably in composition and anatomy at high MP. The author is asking the community for better settings.
Related event: Flux 3 Klein Falls Short in Real-World Tests, Users Say(4 posts)→
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