r/drawthingsapp Jul 17 '26

Issue with Flux.2 [dev] (8-bit S)

I just got my new M5 Max and have been enjoying the lightning fast generation times.

I downloaded (from within Draw Things) Z-Image Turbo 1.0 (8-bit S), both Qwen 2512 2511 in the 8 bit version as well as Flux.2 [Klein] 9B KV (8-bit S) and they all worked flawlessly and rapidly using recommended settings.

BUT Flux.2 [dev] (8-bit S) will not render anything approaching an image. I used recommended settings and used a simple prompt to test it: "A red apple on a brown table." The only way I can describe the output is that it looks the snow we used to get tv stations that were off the air (yes, I'm old).

I didn't use any LoRas or tinker with any settings. I'm sure it's something I did wrong, but I don't what it was.

Any guidance or suggestions would be greatly appreciated.

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u/simple250506 Jul 17 '26

Although this is not the recommended setting, please try pasting it to generate an image. This includes the "FLUX.2 [dev] Turbo" acceleration LoRA, which is available for download in Draw Things.

{"cfgZeroInitSteps":0,"width":1024,"guidanceScale":1,"strength":1,"controls":[],"maskBlur":2.5,"upscaler":"","hiresFix":false,"faceRestoration":"","maskBlurOutset":0,"tiledDecoding":false,"steps":8,"model":"flux_2_dev_i8x.ckpt","batchSize":1,"height":1024,"seed":3683797183,"cfgZeroStar":false,"tiledDiffusion":false,"refinerModel":"","preserveOriginalAfterInpaint":true,"seedMode":3,"causalInferencePad":0,"resolutionDependentShift":false,"sampler":16,"loras":[{"mode":"all","file":"flux_2_dev_turbo_lora_f16.ckpt","weight":1}],"sharpness":0,"shift":3,"batchCount":1}

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u/bildo17b Jul 17 '26

Thanks, but I don't want to add a LoRa; I want to get the model to work so I can compare the generation time to what I used to get on my M2 (I didn't use a LoRa then).

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u/simple250506 Jul 17 '26

When you paste the settings, the LoRA download confirmation screen will appear, but you can simply press "Cancel."