MiniMax Just Launched M3.1 Flash: 428B MoE Agentic Model at $0.15/M Input

MiniMax launched M3.1 Flash, a 428B-parameter multimodal MoE model with a 1M-token context window, priced at $0.15 per million input tokens. It excels in agentic office tasks and visual reasoning, with weights due October 23, 2026.