MiniMax-M3
MiniMax-M3 is an open-weight language model from MiniMax, released on May 31, 2026. It is a mixture-of-experts model with about 428B total parameters, of which about 23B are active for each token. MiniMax lists a context window of 1M tokens. The model accepts text, image and video input.
- Developer
- MiniMax
- Released
- May 31, 2026
- Total parameters
- ~428B
- Active parameters per token
- ~23B
- Architecture
- MoE
- Context window
- 1M
- Input
- Text, image, video
- License
- MiniMax Community License
- Commercial use
- Yes, with conditions
- Official weights, GB
- 869.2 GB
- Hugging Face repository
- huggingface.co
- Checked on
The weights are released under the MiniMax Community License. Commercial use is allowed with conditions. Commercial users must display “Built with MiniMax M3” and either notify MiniMax once (up to US$20 million in yearly revenue) or get prior written authorization (above US$20 million). The license lists prohibited uses, including military use.
The official weights on Hugging Face take about 869 GB in BF16. Running the model needs at least that much memory across GPUs and system RAM, plus room for the context cache; quantized versions need less.
- Total parameters, billions
- 428B
- Active parameters, billions
- 23B
- Context window, tokens
- 1M
- License type
- Custom license
- License conditions
- Commercial users must display "Built with MiniMax M3" and either notify MiniMax once (up to US$20 million in yearly revenue) or get prior written authorization (above US$20 million). The license lists prohibited uses, including military use.
- Weights precision
- BF16
- Official quantized or alternative versions
- MiniMaxAI/MiniMax-M3-MXFP8
- License text
- huggingface.co
- Sources
Page URL Hugging Face model card https://huggingface.co/MiniMaxAI/MiniMax-M3/raw/main/README.md License text on Hugging Face https://huggingface.co/MiniMaxAI/MiniMax-M3/raw/main/LICENSE Hugging Face API https://huggingface.co/api/models/MiniMaxAI/MiniMax-M3?expand=safetensors minimax.io announcement https://www.minimax.io/blog/minimax-m3