I tried the pro model but went back to the FST-01 as it was too slow for RSA 4096 and doesn't support curve25519 for sign/auth. But, yes, it does work with gpg

I tried the pro model but went back to the FST-01 as it was too slow for RSA 4096 and doesn't support curve25519 for sign/auth. But, yes, it does work with gpg-agent with ssh support.