Your sovereign, private Kimi K3 Fast

Kimi K3 is Moonshot AI's flagship open-weight, natively multimodal agentic model: a 2.8T-parameter MoE (104B active) built on Kimi Delta Attention and Attention Residuals, with native vision, a 1M-token context window and interleaved thinking with configurable reasoning effort. It is designed for frontier intelligence across long-horizon coding, deep research and agentic knowledge work, sustaining multi-hour engineering sessions and orchestrating terminal tools with minimal oversight. Served on the fast service tier. A reasoning model in the ultra tier on the fast serving route, served on ToothFairyAI's AU, EU and US endpoints — private by default, billed in US dollars per million tokens at the published rates below. No training on your data, no vendor lock-in.