MiniMax

Run MiniMax-M3 in llama.cpp

MiniMax-M3 support in llama.cpp is preliminary and not yet in a released build. To run these GGUFs, build llama.cpp from PR #24523:

git clone https://github.com/ggml-org/llama.cpp
cd llama.cpp
git fetch origin pull/24523/head:minimax-m3
git checkout minimax-m3
cmake -B build -DGGML_CUDA=ON
cmake --build build --config Release -j --target llama-cli llama-server

Then run a quant. The model is large (~428B params), so offload across GPUs with -ngl 99 or keep the weights in CPU RAM:

./build/bin/llama-cli \
  -hf unsloth/MiniMax-M3-GGUF:UD-Q4_K_XL \
  --jinja -ngl 99 --ctx-size 8192 \
  -p "Hello, who are you?"

Note: MiniMax Sparse Attention is not supported yet, so inference falls back to dense attention.

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 9ร— prefill and 15ร— 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.

Model Details

Architecture MoE + MSA (MiniMax Sparse Attention)
Total Parameters ~428B
Activated Parameters ~23B
Experts 128 (4 active per token)
Layers 60
Context Length 1M tokens
Modalities Text, Image, Video
Precision bfloat16
Transformers โ‰ฅ 4.52.4 (trust_remote_code=True)
License MiniMax Community License

How to Use

M3 supports two reasoning modes:

  • thinking โ€” for complex reasoning, agentic tasks, and long-horizon collaboration.
  • non-thinking โ€” for latency-sensitive scenarios such as chat and code completion.

Local Deployment

Download the model:

hf download MiniMaxAI/MiniMax-M3 --local-dir MiniMax-M3

We recommend the following inference frameworks (listed alphabetically) to serve the model:

SGLang

We recommend using SGLang to serve MiniMax-M3. Please refer to our SGLang Deployment Guide.

vLLM

We recommend using vLLM to serve MiniMax-M3. Please refer to our vLLM Deployment Guide.

Transformers

We recommend using Transformers to serve MiniMax-M3. Please refer to our Transformers Deployment Guide.

ModelScope

You can also get model weights from ModelScope.

Inference Parameters

We recommend the following parameters for best performance: temperature=1.0, top_p=0.95, top_k=40. Default system prompt:

You are a helpful assistant. Your name is MiniMax-M3 and was built by MiniMax.

Tool Calling Guide

Please refer to our Tool Calling Guide.

Contact Us

Contact us at model@minimax.io.

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