Kimi K3 — reviews, specs & pricing

Moonshot AI's August 2026 release — the largest and best-performing open-weights model at launch.

Summary

Released in August 2026 by Moonshot AI, Kimi K3 represents a landmark achievement as the largest and most capable open-weights model available at its launch. Designed specifically for advanced chat and software engineering tasks, it delivers frontier-grade reasoning while remaining fully deployable on private infrastructure.

Sample use case

An enterprise engineering team deploys Kimi K3 on internal clusters to serve as an intelligent pair-programmer, generating complex boilerplate, automating multi-repository code reviews, and resolving syntax and logic errors in proprietary software without exposing sensitive IP to external cloud APIs.

Specifications

  • Provider: moonshot ai
  • License: open

Pros

  • State-of-the-art open-weights performance
  • Deep reasoning across chat and code
  • Enhanced data privacy via self-hosting
  • Robust multilingual capabilities

Cons

  • Demanding hardware requirements for local hosting
  • High inference latency without aggressive quantization
  • Significant setup and maintenance overhead

Average rating 0.0 from 0 community reviews on Reviuws.

Frequently asked questions

What is Kimi K3?

Released in August 2026 by Moonshot AI, Kimi K3 represents a landmark achievement as the largest and most capable open-weights model available at its launch. Designed specifically for advanced chat and software engineering tasks, it delivers frontier-grade reasoning while remaining fully deployable on private infrastructure.

How much does Kimi K3 cost?

Pricing for Kimi K3 is not publicly listed.

Is Kimi K3 open source?

Kimi K3 is released under the open license.