Mistral is still hosted on US providers, their EU centers are only in planning. Data access aside, if AWS or Azure (or Cloudflare) are ordered to pull the plug, it's still goodbye Mistral. Unless you use a third party hoster that is, or do it yourself of course - already possible.

To extend on that a little bit: they use data centers located in EU, but owned by US cloud providers. They can still pull the plug ofc, so it's only a small difference, but still