Chinese artificial intelligence firm Moonshot AI has released a new reasoning variant of its open-source Kimi K2 model that has outperformed OpenAI’s GPT-5 and Anthropic’s Claude Sonnet 4.5 in several benchmarks, eliciting high praise from industry experts on social media. The Beijing-based start-up on Thursday said Kimi K2 Thinking was now accessible via Kimi.com and the model’s application programming interface (API), allowing developers and enterprises to use the model’s functionalities into...