The release of the Chinese artificial intelligence model Kimi K3 — the largest open-weight model ever built — was a wake-up call for labs in California and policymakers in Washington. Kimi’s performance still trails the very best American models, but independent evaluators found it competitive with nearly all top-tier U.S. offerings and at a fraction of the cost.
Kimi K3’s performance and cost
Independent assessments judged Kimi K3 competitive across nearly all top-tier U.S. models despite not matching the very best American offerings. Evaluators also noted that the model achieves that competitiveness at a substantially lower cost than many U.S. counterparts.
Author background
Patrick Childress is a partner at the law firm Holland & Knight and former assistant general counsel in the U.S. trade representative’s office.

