THE MINIMAX M2 SERIES WAS ONE OF THE MOST WIDELY USED OPEN-WEIGHT LLM SERIES EARLIER THIS YEAR. NOW, WE GOT A TECHNICAL REPORT WITH SOME INTERESTING TIDBITS. I SUMMARIZED SOME OF THEM BELOW:

1. FULL ATTENTION AS AN ANTI-TREND?: THEY TRIED HYBRID SLIDING-WINDOW ATTENTION VARIANTS (LIKE SO MANY OTHERS, LIKE XIAOMI MIMO, LAGUNA, GEMMA 4, ARCEE, OLMO 3, ETC.). BUT EVEN THOUGH THERE WERE EFFICIENCY GAINS, THEY SAID THAT THE PRODUCTION-QUALITY TRADEOFFS WERE NOT WORTH IT FOR M2. 2. LINEAR AND SPARS

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