bullerwins/MiniMax-M3-4bit-W4A16-v0
Experimental int4 w4a16, I have not been able to test it as the vLLM M3's support PR does not support pipeline paralelism and I don't have the hardware to test tensor paralelism, so here may be dragons, but people like to tinker. You will need this PR from vllm to make it work https://github.com/vllm-project/vllm/pull/45381 This is using RTN quantization, not full calibrated Auto-round.
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MiniMax-M3 is a native multimodal model with 1M context. It has ~428B parameters and ~23B activated parameters.
Highlights:
- Native Multimodality: M3 undergoes mixed-modality training from the very first step, enabling deeper semantic fusion across text, image, and video.
- Context Scaling via Sparse Attention: M3 introduces MiniMax Sparse Attention (MSA) to improve long context efficiency. M3 delivers 9× prefill and 15× decode speedups compared to M2 at 1M context, reducing per-token compute to 1/20.
- Coding & Cowork Capability: M3 achieves frontier-level performance across long-horizon agentic benchmarks, excelling in both coding and cowork.
<p align="center"> <img width="100%" src="figures/benchmark.jpeg"> </p>
MiniMax Sparse Attention (MSA)
M3 is powered by **MiniMax Sparse Attention (MSA)**, a high-performance sparse attention operator designed for million-token contexts. Compared with GQA, MSA dramatically reduces the attention compute and memory footprint while preserving model quality.
<p align="center"> <img width="100%" src="figures/efficiencygqavs_msa.png" alt="GQA vs MSA Efficiency Comparison"> </p>
📄 Read the technical report: arXiv:2606.13392 · Hugging Face Papers
How to Use
M3 supports two reasoning modes:
- thinking — for complex reasoning, agentic tasks, and long-horizon collaboration.
- non-thinking — for latency-sensitive scenarios such as chat and code completion.
Local Deployment
Download the model:
hf download MiniMaxAI/MiniMax-M3 --local-dir MiniMax-M3We recommend the following inference frameworks (listed alphabetically) to serve the model:
- SGLang - see SGLang cookbook.
- vLLM - see vLLM recipes.
- Transformers - see Transformers docs.
Inference Parameters
We recommend the following parameters for best performance: temperature=1.0, top_p=0.95, top_k=40.
Contact Us
Contact us at model@minimax.io.