[Forge] Flux Realistic, further details please #1732
Replies: 4 comments 6 replies
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Set it down to around 2 CFG, 3.5 CFG is only really if you really want it to follow prompts more, especially when it comes to text. Most people forget that CFG is sort of a way to get more adherence without having to increase steps. I also tend to lean toward DDIM or Beta as the scheduler in Flux.
Notice how the contrast isn't as high in 2 CFG images, they look far more natural. You will of course run into potential adherence issues at 2 CFG, but when you do get a keeper it's generally better than any keeper from 3.5 CFG. This image makes your left picture look plastic in comparison. Another thing to note is when you decrease CFG, you also generally increase steps. It's not an all the time rule, but 40-60 steps at 2 CFG can deliver very good images, and at 2 CFG, more steps can generally lead to more adherence, so steps essentially become the adherence slider instead. The trick is to balance CFG with steps. |
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What's "beta"? I don't see any sampler of that name. |
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It's not a sampler, it's a schedule type (the next box!). It works well with Euler and Flux Realistic, arguably better than "simple". |
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Since I have you here, what do you think are the best samplers for FLUX guys? |
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I like Flux Realistic with the Beta schedule for pretty much everything with Flux. |
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So you dont make much anime or "style" images? I would also would like to know what are the best for this option. |
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Actually, Flux Realistic works excellently for images that aren't "realistic". Try it. There is no such thing as a "best" sampler, it's a matter of personal artistic preference. |
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I tried all of them and IPNDM (Simple) gives me best results for 'realistic looking' images with same speed as Euler, etc. I have tried a lot of other options but I have found al of them to be slower or giving that fake/plastic look or blurred backgrounds. |
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Is there a way to download and use Forge Realistic in Comfyui? Thanks |
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For comparison, I created these images... Please see: |
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I have used the new sampler [Forge] Flux Realistic but other than slower speeds, I am not seeing much of a difference when it comes to realism ? In fact the images with this new sampler seem like they are generated at higher CFG (more plastic looking skin than other samplers).
Below image for comparison, the one on the right is using the new sampler. The skin texture and surroundings are much worse on the right, The only thing is that in the left image, the plate is being held up just by the knuckles, which is not the case in the Flux Realistic image (maybe that counts to realistic physics at the least, or it may just a random chance). But overall Flux Realistic looks worse in terms of realism, that too, with a 70% slower generation time. Can someone please explain what's specific about this sampler and how to use it properly for realism ? This is not to diss on the amazing new features being provided by Forge. Its Great to have another sampler, but maybe I'm doing something wrong so as not to achieve the full potential of this sampler.
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