There are many open source (not just open weight) non-US models - some of the more notable ones:

  - Soofi S, DE, ~32B
  - Apertus 1.5, CH, ~32B
  - EuroLLM-22B, EU, ~22B 
  - LLM-jp-3, JP, ~172B
  - K2-65B, UAE, ~65B

Soofi S and Apertus 1.5 outperform or are at least comparable to Ai2 depending on benchmarks.