Jun 1, 2026 · Artificial Intelligence

MiniMax M3 Beats GPT‑5.5 in Programming and Goes Open‑Source

MiniMax M3, a domestically developed LLM, combines a new sparse‑attention MSA architecture, native multimodal support, and million‑token context to match or surpass top closed‑source models in programming and agent benchmarks, while achieving a 9.4× speedup on FP8 GEMM and preparing for open‑source release.

AIBenchmarkingFP8 GEMM

0 likes · 12 min read

MiniMax M3 Beats GPT‑5.5 in Programming and Goes Open‑Source

SuanNi

May 27, 2026 · Artificial Intelligence

Inside Grok-5 and MiniMax-M3: Massive Model Upscale and New Sparse Attention Gains

The article reveals that xAI’s upcoming Grok-5 (Grok V9-Medium) will feature a 1.5-trillion-parameter model trained with extensive Cursor programming data, while MiniMax-M3 introduces a new sparse-attention architecture that boosts pre-fill speed by 9.7× and decode speed by 15.6×, highlighting a strategic partnership between SpaceX, Cursor, and xAI.

AI modelsCursorGrok-5

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Inside Grok-5 and MiniMax-M3: Massive Model Upscale and New Sparse Attention Gains