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7/19/2026
Kimi K3: Moonshot's 2.8T open-weight model with 1M context — architecture, pricing, and integration guide

Kimi K3: Moonshot's 2.8T open-weight model with 1M context — architecture, pricing, and integration guide

Original: A Complete Guide to Moonshot's New 2.8T Flagship

Short summary

Moonshot AI released Kimi K3, a 2.8T parameter sparse Mixture-of-Experts model with 1M token context, topping Arena.ai's Frontend Code Arena at launch. The model is open-weight, speaks the OpenAI SDK, and integrates into Cursor, Claude Code, and other dev tools. For the first time in Kimi's history, it's priced like a frontier model rather than a budget alternative.

  • •Kimi K3 is a 2.8T MoE model with 1M token context, ranked #1 on Arena.ai Frontend Code Arena
  • •Open-weight, OpenAI SDK compatible, integrates with Cursor, Claude Code, Cline, RooCode
  • •Priced as a frontier model for the first time—changes the cost-benefit calculus vs DeepSeek and others

Generated with AI, which can make mistakes.

#product-launch#research-breakthrough#ai-tools#market-trend
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