AMD adds day-0 MiniMax-M3.1 support on Instinct MI350 GPUs

AMD said on Oct. 22, 2026 that MiniMax-M3.1 now has day-0 support on Instinct MI350 Series GPUs across its ROCm inference stack, including the ROCm builds of vLLM and ATOM. The company said the natively multimodal MoE model can run with either the original NVFP4 checkpoint converted at load time or an MXFP4 export produced with AMD Quark, with separate kernel and serving paths for latency-bound and higher-concurrency deployments. In AMD’s technical article published Oct. 22, 2026, the company described MiniMax-M3.1 as a model for coding and agent workloads with a 1M-token context, built-in reasoning, native tool calling and DSpark speculative decoding. AMD said both vLLM and ATOM serve the model on MI350 GPUs, while AITER kernels handle the routed experts, attention and reduction paths.

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