Chinese AI startup MiniMax unveiled its flagship AI model M3 as it expands into coding agents and automated workflows. M3 can process up to 1 million tokens at once, five times more than its predecessor M2.7, letting it handle long, complex programming tasks. According to MiniMax, M3 beat OpenAI's GPT-5.5 and Google's Gemini 3.1 Pro on coding benchmark SWE-Bench Pro.