Egregoros

"The project explained that only Pixels have met its strict security and update requirements so far. However, the new partnership suggests that another OEM is finally matching those standards. GrapheneOS also hinted that the mysterious partner’s devices will be “priced similarly to Pixels” and available globally as part of the brand’s standard lineup.

Sadly, GrapheneOS didn’t reveal the name of its new partner. However, folks are speculating it could be Nothing"

https://www.androidauthority.com/graphene-os-major-android-oem-partnership-3606853/

im really interested to see what OEM actually manages to reach pixels hardware security and features. i imagine it won't be cheap but well worth it.