MiniMax launches M3.1 Flash, a 428B MoE agentic model at $0.15 per million input tokens
MiniMax has released M3.1 Flash, a mixture-of-experts model with 428 billion parameters, about 23 billion of them active, and a 1M-token context window. API pricing is $0.15 per million input tokens and $0.60 per million output tokens, and the weights are due on October 23.