# MiniMax Open-Sources Native Multimodal Flagship Model MiniMax M3

- Category: Flash (快讯)
- Published: 2026-06-16T12:00:00.000Z
- Source date: 2026-06-16
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MiniMax has released MiniMax M3, an open-source native multimodal flagship model. With 428B total parameters and 23B active parameters, it utilizes a proprietary MSA sparse attention architecture to reduce long-context computational costs. As the first open-source model trained with multimodal mixing from step zero, M3 ranked first among open-source models on benchmarks including Artificial Analysis Comprehensive Intelligence Index, GDPval-AA, and Code Arena WebDev, earning praise from industry

## At a glance

- MiniMax M3 is the first open-source model with multimodal mixed training from step zero, using a proprietary MSA architecture.
- The model ranked first among open-source models on benchmarks like Artificial Analysis and received praise from industry leaders such as the Vercel CEO.

## The update

MiniMax has officially open-sourced its native multimodal flagship model, MiniMax M3. Featuring 428B total parameters and 23B active parameters, the model employs a proprietary MSA sparse attention architecture to efficiently reduce computational costs for long contexts. Notably, M3 is the first open-source model to undergo multimodal mixed training starting from step zero. Following its release, MiniMax M3 achieved top rankings among open-source models on several authoritative benchmarks, including the Artificial Analysis Comprehensive Intelligence Index, GDPval-AA, and Code Arena WebDev. This breakthrough has garnered widespread recognition, receiving positive feedback from prominent industry figures such as the CEO of Vercel and the founder of Y Combinator.

## Sources

- [MiniMax 稀宇科技](https://mp.weixin.qq.com/s/AW6L89QZkwN-jD27hQ84ww) (2026-06-16)

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