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I'm disappointed they didn't push parameter count higher, but I suppose they want to maintain the ability to run on older/lower end consumer GPUs. Unfortunately it severely limits how high-quality the output can be.

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They're motivating that choice via this paper: https://arxiv.org/pdf/2203.15556.pdf The paper shows that you can get better performance than gpt-3 with a much smaller model if you bump up the training time and training data like x4.

Larger models are still much better. Google's parti model can do text perfectly and follows prompts way more accurately than Stable Diffusion. It's 20B parameters and with the latest int8 optimizations it should be possible to get that running on a consumer 24GB card in theory.

I think they're looking into larger models later though

Can’t forget time it takes to run inference, even on the latest A100/H100. Generating in under e.g. ten seconds enables more use cases (and so on until high fps video is possible).

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