The AI art scene is getting hotter. Sana, a new AI model introduced by Nvidia, runs high-quality 4K image generation on consumer-grade hardware, thanks to a clever mix of techniques that differ a bit from the way traditional image generators work.

Sana’s speed comes from what Nvidia calls a “deep compression autoencoder” that squeezes image data down to 1/32nd of its original size—while keeping all the details intact. The model pairs this with the Gemma 2 LLM to understand prompts, creating a system that punches well above its weight class on modest hardware.

If the final product is as good as the public demo, Sana promises to be a brand new image generator built to run on less demanding systems, which will be a huge advantage for Nvidia as it tries to reach even more users.

“Sana-0.6B is very competitive with modern giant diffusion model (e.g. Flux-12B), being 20 times smaller and 100+ times faster in measured throughput,” the team at Nvidia wrote on Sana’s research paper, “Moreover, Sana-0.6B can be deployed on a 16GB laptop GPU, taking less than 1 second to generate a 1024×1024 resolution image.”

Yes, you read that right: Sana is a 0.6 Billion parameter m

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Author: Jose Antonio Lanz