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su (@sutdmhy) on X
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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