AI IntelligenceOct 24, 2026AI Intelligence
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MiniMax releases open weights for 428B-parameter M3.1 Flash model
MiniMax released open weights for its M3.1 Flash model on October 23, making the model available to developers. The mixture-of-experts model has approximately 428 billion total parameters with 23 billion activated per token. It supports text, image and video inputs and a context window of up to 1 million tokens.
Frontier EditorialSource: TechNode
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MiniMax releases open weights for 428B-parameter M3.1 Flash model: MiniMax released open weights for its M3.1 Flash model on October 23, making the model available to developers. The mixture-of-experts model has approximately 428 billion total parameters with 23 billion activated per token. It supports text, image and video inputs and a context window of up to 1 million tokens.