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Launch2w ago

AI Model Breakthrough: Moonshot AI Unveils Kimi K3 With 2.8 Trillion Parameters

Simon Willison1 min brief

In brief

  • Moonshot AI has introduced its most powerful model yet, the Kimi K3, featuring an impressive 2.8 trillion parameters.
    • This marks a significant leap forward in AI capabilities, surpassing competitors like DeepSeek's V4 Pro and GPT-5.5 high in benchmarks.
  • The model is now available through their website and API, with plans to release open weights by July 2026.
  • The Kimi K3 stands out for its cost efficiency and performance improvements.
  • At $3 per million input tokens and $15 per million output tokens, it matches Anthropic's Claude Sonnet series but is more expensive than earlier models.
    • It also uses 21% fewer output tokens compared to its predecessor, making it a cost-effective option for developers.
  • With this launch, Moonshot AI has positioned itself as a major player in the AI race.
  • The model's availability and pricing strategy will likely attract researchers and businesses looking for high-performance tools.
  • As the industry evolves, Kimi K3 sets a new standard for future models to follow.

Terms in this brief

Moonshot AI
A company known for developing advanced AI models, including the Kimi K3, which is one of their most powerful models to date. Their work pushes the boundaries of AI capabilities and competes with other leading models in the industry.

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