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This article explores how MiniMax-M1's hybrid architecture is efficiently supported in vLLM. We discuss the model's unique features, the challenges of efficient inference, and the technical solutions implemented in vLLM.
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This article explores how **MiniMax-M1**'s hybrid architecture is efficiently supported in **vLLM**. We discuss the model's unique features, the challenges of efficient inference, and the technical solutions implemented in **vLLM**.
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## Introduction
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The rapid advancement of artificial intelligence has led to the emergence of increasingly powerful large language models (LLMs). [MiniMax-M1](https://arxiv.org/pdf/2506.13585), a popular open-source large-scale mixture-of-experts (MoE) inference model, has attracted significant attention since its release. Its innovative hybrid architecture points to the future of LLMs, enabling breakthroughs in long-context reasoning and complex task processing. Meanwhile, vLLM, a high-performance LLM inference and serving library, provides robust support for MiniMax-M1, making efficient deployment possible.
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The rapid advancement of artificial intelligence has led to the emergence of increasingly powerful large language models (LLMs). [**MiniMax-M1**](https://arxiv.org/pdf/2506.13585), a popular open-source large-scale **mixture-of-experts (MoE)** inference model, has attracted significant attention since its release. Its innovative **hybrid architecture** points to the future of LLMs, enabling breakthroughs in long-context reasoning and complex task processing. Meanwhile, **vLLM**, a high-performance LLM inference and serving library, provides robust support for **MiniMax-M1**, making efficient deployment possible.
***Left:** Benchmark comparison of leading commercial and open-source models on tasks such as math, code, software engineering, tool use, and long-context understanding. MiniMax-M1 leads among open-source models.
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***Right:** Theoretical inference FLOPs scaling with token length. Compared to DeepSeek R1, MiniMax-M1 uses only 25% of the FLOPs when generating sequences of 100k tokens.
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***Left:** Benchmark comparison of leading commercial and open-source models on tasks such as math, code, software engineering, tool use, and long-context understanding. **MiniMax-M1** leads among open-source models.
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***Right:** Theoretical inference FLOPs scaling with token length. Compared to DeepSeek R1, **MiniMax-M1** uses only **25%** of the FLOPs when generating sequences of 100k tokens.
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## Deploying MiniMax-M1 with vLLM
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We recommend deploying MiniMax-M1 using **vLLM** for optimal performance. Our tests demonstrate the following key benefits:
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We recommend deploying **MiniMax-M1** using **vLLM** for optimal performance. Our tests demonstrate the following key benefits:
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- Outstanding throughput
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- Efficient and intelligent memory management
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- Robust support for batched requests
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- Deeply optimized backend performance
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-**Outstanding throughput**
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-**Efficient and intelligent memory management**
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-**Robust support for batched requests**
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-**Deeply optimized backend performance**
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### Model Download
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You can download the models from Hugging Face:
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You can download the models from **Hugging Face**:
MiniMax-M1 utilizes a Mixture-of-Experts (MoE) architecture with **456 billion total parameters**. During inference, a dynamic routing algorithm activates a sparse subset of experts (~45.9B parameters, or 10% of the total), based on the semantic characteristics of input tokens. This sparse activation is managed by a gating network that computes expert selection probabilities.
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**MiniMax-M1** utilizes a **Mixture-of-Experts (MoE)** architecture with **456 billion total parameters**. During inference, a dynamic routing algorithm activates a sparse subset of experts (**~45.9B parameters, or 10% of the total**), based on the semantic characteristics of input tokens. This sparse activation is managed by a **gating network** that computes expert selection probabilities.
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This approach significantly improves computational efficiency: in classification tasks, it reduces computational cost by up to 90% while maintaining accuracy comparable to dense models.
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This approach significantly improves computational efficiency: in classification tasks, it reduces computational cost by up to **90%** while maintaining accuracy comparable to dense models.
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<figure>
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<imgalign="center"src="/assets/figures/minimax-m1/moe.png"alt="MoE vs. Dense Comparison"width="90%"height="90%">
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### Lightning Attention
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**Lightning Attention** addresses the quadratic complexity bottleneck of traditional attention by introducing linearized approximation techniques. It transforms softmax attention into a **linear combination of matrix multiplications**, aided by dynamic memory tiling and gradient approximation.
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**Lightning Attention** addresses the quadratic complexity bottleneck of traditional attention by introducing **linearized approximation techniques**. It transforms softmax attention into a **linear combination of matrix multiplications**, aided by **dynamic memory tiling** and **gradient approximation**.
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In code completion benchmarks, Lightning Attention reduces memory usage by **83%** and inference latency by **67%** for 100k-token sequences.
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In code completion benchmarks, **Lightning Attention** reduces memory usage by **83%** and inference latency by **67%** for 100k-token sequences.
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### Efficient Computation & Activation Strategy
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Thanks to its hybrid architecture, MiniMax-M1 enables efficient computation and scalable inference. The Lightning Attention mechanism dramatically improves runtime performance, while the sparse expert activation strategy avoids unnecessary computation. This makes it feasible to achieve strong performance even with limited hardware resources.
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Thanks to its **hybrid architecture**, **MiniMax-M1** enables efficient computation and scalable inference. The **Lightning Attention** mechanism dramatically improves runtime performance, while the **sparse expert activation strategy** avoids unnecessary computation. This makes it feasible to achieve strong performance even with limited hardware resources.
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To learn more about MiniMax-M1 please refer to [this paper](https://arxiv.org/pdf/2506.13585).
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To learn more about **MiniMax-M1** please refer to [this paper](https://arxiv.org/pdf/2506.13585).
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## Efficient Inference with vLLM
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### Advanced Memory Management
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vLLM introduces PagedAttention, a technique for managing attention key-value caches more efficiently. Instead of storing the kv-cache contiguously, vLLM divides it into multiple memory pages, greatly reducing fragmentation and over-allocation. This allows vLLM to minimize memory waste to under 4%, compared to 60%-80% with traditional approaches.
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**vLLM** introduces **PagedAttention**, a technique for managing attention key-value caches more efficiently. Instead of storing the kv-cache contiguously, **vLLM** divides it into multiple memory pages, greatly reducing fragmentation and over-allocation. This allows **vLLM** to minimize memory waste to under **4%**, compared to **60%-80%** with traditional approaches.
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Such efficient memory handling is crucial for models like MiniMax-M1 that support ultra-long context lengths, ensuring smooth and stable inference without running into memory bottlenecks.
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Such efficient memory handling is crucial for models like **MiniMax-M1** that support ultra-long context lengths, ensuring smooth and stable inference without running into memory bottlenecks.
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### Deep Kernel-Level Optimizations
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vLLM incorporates a wide range of CUDA kernel optimizations, including integrations with FlashAttention, FlashInfer, and support for quantization formats such as GPTQ, AWQ, INT4, INT8, and FP8.
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**vLLM** incorporates a wide range of **CUDA kernel optimizations**, including integrations with **FlashAttention**, **FlashInfer**, and support for quantization formats such as **GPTQ**, **AWQ**, **INT4**, **INT8**, and **FP8**.
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These enhancements further boost the low-level computation efficiency of MiniMax-M1 inference. Quantization reduces memory and compute overhead with minimal accuracy loss, while FlashAttention accelerates the attention computation itself—resulting in significantly faster inference in real-world applications.
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These enhancements further boost the low-level computation efficiency of **MiniMax-M1** inference. **Quantization** reduces memory and compute overhead with minimal accuracy loss, while **FlashAttention** accelerates the attention computation itself—resulting in significantly faster inference in real-world applications.
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### Lightning Attention in vLLM
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As a cutting-edge attention mechanism, Lightning Attention is implemented in vLLM via Triton, leveraging its flexibility and high-performance computing features. A Triton-based execution framework fully supports Lightning Attention's core computation logic, enabling seamless integration and deployment within the vLLM ecosystem.
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As a cutting-edge attention mechanism, **Lightning Attention** is implemented in **vLLM** via **Triton**, leveraging its flexibility and high-performance computing features. A **Triton-based execution framework** fully supports **Lightning Attention**'s core computation logic, enabling seamless integration and deployment within the **vLLM** ecosystem.
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## Future Work
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Looking ahead, further optimizations for hybrid architecture support are actively being explored within the vLLM community. Notably, the development of a hybrid allocator is expected to enable even more efficient memory management tailored to the unique requirements of models like MiniMax-M1.
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Looking ahead, further optimizations for **hybrid architecture support** are actively being explored within the **vLLM** community. Notably, the development of a **hybrid allocator** is expected to enable even more efficient memory management tailored to the unique requirements of models like **MiniMax-M1**.
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In addition, full support for [vLLM v1](https://minimax-m1.vllm-blog-source.pages.dev/2025/01/27/v1-alpha-release) is planned, with the hybrid model architecture expected to be migrated into the v1 framework. These advancements are anticipated to unlock further performance improvements and provide a more robust foundation for future developments.
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In addition, full support for [**vLLM v1**](https://minimax-m1.vllm-blog-source.pages.dev/2025/01/27/v1-alpha-release) is planned, with the hybrid model architecture expected to be migrated into the **v1 framework**. These advancements are anticipated to unlock further performance improvements and provide a more robust foundation for future developments.
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## Conclusion
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The hybrid architecture of MiniMax-M1 paves the way for the next generation of large language models, offering powerful capabilities in long-context reasoning and complex task inference. vLLM complements this with highly optimized memory handling, robust batch request management, and deeply tuned backend performance.
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The **hybrid architecture** of **MiniMax-M1** paves the way for the next generation of large language models, offering powerful capabilities in long-context reasoning and complex task inference. **vLLM** complements this with highly optimized memory handling, robust batch request management, and deeply tuned backend performance.
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Together, MiniMax-M1 and vLLM form a strong foundation for efficient and scalable AI applications. As the ecosystem evolves, we anticipate this synergy will power more intelligent, responsive, and capable solutions across a wide range of use cases, including code generation, document analysis, and conversational AI.
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Together, **MiniMax-M1** and **vLLM** form a strong foundation for efficient and scalable AI applications. As the ecosystem evolves, we anticipate this synergy will power more intelligent, responsive, and capable solutions across a wide range of use cases, including code generation, document analysis, and conversational AI.
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## Acknowledgement
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We would like to express our sincere gratitude to the vLLM community for their invaluable support and collaboration. In particular, we thank [Tyler Michael Smith](https://github.com/tlrmchlsmth), [Simon Mo](https://github.com/simon-mo), [Cyrus Leung](https://github.com/DarkLight1337), [Roger Wang](https://github.com/ywang96), [Isotr0py](https://github.com/Isotr0py) and [Kaichao You](https://github.com/youkaichao) for their significant contributions. We also appreciate the efforts of the MiniMax engineering team, especially [Gangying Qing](https://github.com/ZZBoom), [Jun Qing](https://github.com/qscqesze), and [Jiaren Cai](https://github.com/sriting), whose dedication made this work possible.
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We would like to express our sincere gratitude to the **vLLM community** for their invaluable support and collaboration. In particular, we thank [Tyler Michael Smith](https://github.com/tlrmchlsmth), [Simon Mo](https://github.com/simon-mo), [Cyrus Leung](https://github.com/DarkLight1337), [Roger Wang](https://github.com/ywang96), [Isotr0py](https://github.com/Isotr0py) and [Kaichao You](https://github.com/youkaichao) for their significant contributions. We also appreciate the efforts of the **MiniMax engineering team**, especially [Gangying Qing](https://github.com/ZZBoom), [Jun Qing](https://github.com/qscqesze), and [Jiaren Cai](https://github.com/sriting), whose dedication made this work possible.
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