Moonshot AI Releases Kimi 3.1 Pro Model
Moonshot AI has released its new Kimi 3.1 pro model, which is available via its API and has achieved high benchmark performance on Artificial Analysis. Full open weights for the model are scheduled to be released by November 4, 2026. The release demonstrates rapid advancements in Chinese large language models, sparking discussions within the AI community about competitive standings and upcoming iterations from major labs. High-performing proprietary and upcoming open-weight releases heavily influence development pipelines for developers and enterprises globally. Users can access the model through OpenRouter or directly via Moonshot AI's API, with community discussions also tracking future model releases such as DeepSeek V4.1 pro, GLM 5.5, and Qwen 4.
## BACKGROUND
Moonshot AI is a prominent Beijing-based artificial intelligence company known for developing advanced large language models in the Kimi series. Artificial Analysis is an independent platform that evaluates and compares AI models across quality, pricing, and speed metrics.