AI models
SANA 1.5 4.8B
Parameters
4.8B
Published
May 17, 2025
SANA 1.5 4.8B is an AI model developed by NVIDIA, Massachusetts Institute of Technology (MIT), Tsinghua University, Playground, Peking University and The University of Hong Kong (United States, China and Hong Kong), first published in May 2025. It works in the image generation domain, on tasks such as text-to-image and image generation.
Epoch AI has no training-compute estimate for this model. The model has 4,800,000,000 parameters. Training ran on 64 NVIDIA A100.
Access: Open weights (non-commercial). Its weights are openly available. It is built on top of SANA 1.6B. Epoch AI rates the confidence of this record as confident.
Full record
- Organization
- NVIDIA, Massachusetts Institute of Technology (MIT), Tsinghua University, Playground, Peking University, The University of Hong Kong
- Country of organization
- United States, China, Hong Kong
- Domain
- Image generation
- Task
- Text-to-image, Image generation
- Parameters
- 4,800,000,000
- Training hardware
- NVIDIA A100
- Chips used
- 64
- Training power draw
- 50.2 kW
- Numerical format
- BF16
- Model accessibility
- Open weights (non-commercial)
- Open weights
- Yes
- Base model
- SANA 1.6B
- Epoch confidence
- Confident
SourceEpoch AI, 'AI Models'. Published online at epoch.ai. Retrieved 2026-07-29 from https://epoch.ai/data/ai-models. Licensed under CC BY 4.0.
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