MiniMax

Releases

1. Aug 3

   MiniMax H3 · 33B · open weights

2. Jun 1

   MiniMax M3 · open weights

Trends

• Open-weight models diversify in architecture, modality, and size
• Chinese labs take the lead in open-weight models

Items

1. Aug 3

   MiniMax H3

   A 33B-parameter omni-modal generation model released under a revenue-capped license, the first open-weight system to rank first in an Artificial Analysis category (video editing), producing up to 15-second 2K clips with native stereo audio.

2. Jun 1

   MiniMax M3

   An open-weight model combining frontier coding (vendor-reported 59.0% on SWE-Bench Pro, 66.0% on Terminal-Bench 2.1), native multimodality, and a 1M-token context via the new MiniMax Sparse Attention, which reports ~9x prefill and ~15x decode speedups at 1M tokens; weights are pledged within ~10 days.