Moonshot AI Launches Kimi K3.1 Pro: A 3T Open-Weight Model That Nearly Matches Claude Opus 5.5
On 23 October 2026 Moonshot AI launched Kimi K3.1 Pro — a 2.8T-parameter mixture-of-experts open-weight model with a 1M-token context window, scoring 65.7% on the company's reporte...