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Kimi K3.1 Pro Is Open-Weight, But What Does It Really Cost to Run?

This story is from 2026-11-11. It is preserved in the archive; the latest stories are on the live feed.

Moonshot AI has released the weights for Kimi K3.1 Pro , a massive Mixture-of-Experts (MoE) model with 2.8 trillion total parameters and a context window of over one million tokens. That sounds like a major win for open-weight AI. But there's a practical question developers and startups should ask:…

Read the full story at DEV Community — AI ↗

Timeline · 3 reports

  1. 2026-11-12 10:42 · DEV Community — AI
    I ran 19 tasks through Kimi K3.1 Pro and Claude Fable 5.2. The gap wasn't capability.
  2. 2026-11-11 19:37 · r/machinelearningnews
    How fast can Cerebras order your breakfast on Kimi K3.1 Pro?
  3. 2026-11-11 12:39 · DEV Community — AI
    Kimi K3.1 Pro Is Open-Weight, But What Does It Really Cost to Run?

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