What Is MiniMax M3? The First Open-Weight Frontier Coding Model
SMRTR summary
MiniMax M3 is the first open-weight AI model combining frontier-level coding, a 1M-token context window, and native multimodality including computer use. Its MSA (Sparse Attention) architecture cuts per-token compute to 1/20 of its predecessor, making long-context calls practical. It scores 59.0% on SWE-Bench Pro, rivaling closed models like Claude Opus 4.7, with open weights due shortly after its June 1 launch.
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