HUMAIN, the Public Investment Fund-backed artificial intelligence company, announced humain-m3 on September 3, 2026, unveiling the frontier Arabic-language model at LEAP in Riyadh and releasing it in research preview through HUMAIN Node. Commissioned by HUMAIN and delivered by MiniMax, the model was further pre-trained on more than one trillion tokens of Arabic-native content. humain-m3 is a 428-billion-parameter mixture-of-experts model built on the MiniMax-M3 lineage. According to HUMAIN’s…