Moonshot AI's Kimi Chat is now fully open for service and no longer requires beta testing qualifications. Kimi Chat possesses strong multilingual capabilities, supporting context of approximately 200,000 Chinese characters. It achieves lossless long-range attention mechanisms through innovative network structures and engineering optimizations. Kimi Chat has significant advantages in Chinese and represents an innovation among large models trained primarily in English on the market. The open service of Kimi Chat will provide users with