Kimi K3.1 Pro from Moonshot AI is now available on AI Gateway , along with Kimi K3.1 Pro Highspeed , a faster version for interactive use.

K3.1 Pro is the first model in Moonshot's K3.1 series. It builds on Kimi K3 with improvements in coding, 3D modeling, financial analysis, and agentic tasks, and keeps the 1M-token context window and image input.

For coding, K3.1 Pro handles work ranging from small fixes in an existing codebase to building a full project, including long agent runs with many steps. It builds front-end pages and interactive scenes with stronger typography and animation than earlier Kimi models. In finance, it can carry a task from start to finish, such as building a linked financial model with adjustable assumptions and scenarios, or writing research grounded in source documents.…