{"slug": "minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input", "title": "MiniMax Just Launched M3.1 Flash: 428B MoE Agentic Model at $0.15/M Input", "summary": "MiniMax released M3.1 Flash, a 428B-parameter mixture-of-experts agentic model with roughly 23B active parameters and a 1M-token context window, priced at $0.15 per 1M input tokens and $0.60 per 1M output tokens. MiniMax said the model's weights are due October 23.", "body_md": "MiniMax has released M3.1 Flash, a 428B-parameter MoE model with about 23B active parameters and a 1M-token context. API pricing is $0.15/$0.60 per 1M tokens, with weights due October 23\n\nThe post [MiniMax Just Launched M3.1 Flash: 428B MoE Agentic Model at $0.15/M Input](https://www.marktechpost.com/2026/10/19/minimax-m3-1-flash-release/) appeared first on [MarkTechPost](https://www.marktechpost.com).", "url": "https://wpnews.pro/news/minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input", "canonical_source": "https://www.marktechpost.com/2026/10/19/minimax-m3-1-flash-release/", "published_at": "2026-10-19 12:37:58+00:00", "updated_at": "2026-10-19 14:18:13.397443+00:00", "lang": "en", "topics": ["artificial-intelligence", "large-language-models", "ai-agents", "ai-products"], "entities": ["MiniMax", "M3.1 Flash", "MarkTechPost"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input", "markdown": "https://wpnews.pro/news/minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input.md", "text": "https://wpnews.pro/news/minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input.txt", "jsonld": "https://wpnews.pro/news/minimax-just-launched-m3-1-flash-428b-moe-agentic-model-at-0-15-m-input.jsonld"}}