MiniMax H3 image editing tested locally: 6 steps, ~50s per edit on RTX 4070S
Ant_6431 · reddit · 2026-11-15
A Reddit user shares local ComfyUI benchmarks of MiniMax H3 for instruction-based image editing.
- Euler simple sampler, 6 steps, no prompt enhancement; each edit takes 45-55s on an RTX 4070S (with offloading)
- Nine edit categories tested: pose change, outfit replacement, hairstyle, object addition, manga style transfer, object removal, background swap, text addition, camera angle change
- Links to weights: Comfy-Org W4A8 quantized diffusion model, Qwen3VL-32B text encoder INT4, fp16 VAE
- Caveat: a safety filter occasionally triggers randomly and degrades image quality
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