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MarkTechPost
MarkTechPost
7/30/2026
Moonshot AI open-sources MoonEP: Expert Parallelism library for MoE training

Moonshot AI open-sources MoonEP: Expert Parallelism library for MoE training

Original: Moonshot AI Open-Sources MoonEP: A Perfectly Balanced Expert Parallelism Library for MoE Training

Short summary

Moonshot AI has open-sourced MoonEP, an Expert Parallelism communication library for distributed Mixture-of-Experts (MoE) workloads, under an MIT license. The library is designed to make expert-parallel communication more efficient at scale. MoonEP was released as part of Kimi K3 Open Day alongside the K3 model weights and technical resources.

  • Moonshot AI open-sources MoonEP under MIT license
  • Library optimizes expert-parallel communication for MoE training at scale
  • Released alongside Kimi K3 model weights as part of K3 Open Day

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