
su (@sutdmhy) on X
Kimi K3.1 Pro is a Moonshot AI model, with a high-speed variant, described in a tweet as a mixture-of-experts system of about 2.8 trillion parameters with a 1-million-token context window and multimodal support. The post claims gains in coding, long-horizon agents, 3D modeling (Blender/CAD) and financial research, and says benchmarks come close to Claude Opus 5.5. Full open weights are planned by November 4. The post gives no benchmark figures.
TL;DR Tweet reports Moonshot AI's Kimi K3.1 Pro, a ~2.8T-parameter MoE with 1M context and open weights planned by November 4.
Organisations named here
- Moonshot AI
- Kimi
Technologies named here
- Kimi K3.1 Pro
- Kimi K3.1 Pro high-speed version
- Claude Opus 5.5
- Blender
- LLM
- Mixture of Experts
Related in models


