Models / Kimi K3
Moonshot AI
Kimi K3
Specs as of
Moonshot’s Kimi K3, released the week of 17 Jul 2026: open weights, 2.8T parameters per Qbit’s launch-day report, and its Frontend Code Arena result.
Specifications
- Lab
- Moonshot AI
- Released
- Week of 17 Jul 2026
- Parameters
- 2.8T per Qbit’s launch-day report (called the largest open-weight model to date); pre-release estimates ranged 2.5T to 3T
- Context window
- n/d
- License
- Kimi K3 License: open weights, but a model-as-a-service operator above $20M aggregate revenue in any 12 months needs a separate agreement, and "Kimi K3" attribution is required above 100M MAU or $20M monthly revenue
- Pricing
- n/d
The benchmark claim
Took the top spot on the Frontend Code Arena, ahead of the leading US models; Chinese models still trail the top US labs on the hardest independent coding benchmarksindependent
A figure tagged lab-reported is the lab's own claim. A figure taggedindependent comes from a third-party leaderboard. We never present a vendor's number as neutral fact.
Sources
Qbit (量子位); Sina Finance; 36Kr
Covered in the daily: read the issue →
Every figure above traces to the named source on this page, and where it comes from our reporting, to the dated issue that carried it. Specs the lab did not disclose read "n/d" rather than carrying an estimate.