Kimi 3.1 Pro 104BA‑2.8T is an open‑weight model that narrows the performance gap to closed‑AI systems. It incorporates the Fable‑5.1‑Class architecture, achieving a one‑month lead over competitors, and offers a Pro Highspeed API that delivers 2‑3× faster inference. The release signals a significant step toward democratizing high‑performance LLMs for developers.
Opening Kapyn…