Developers working on building the Oxygen OS of ONE PLUS for Poco F1 . Oxygen OS are available for some of the xiaomi devices but still it is not developed for Poco F1.It is the Budget Flagship Device of 2018 .Poco is also being recognized as the best budget flagship device by Several YouTube Creators which holds Snapdragon 845 chipset .
List of ROM’s For Poco F1:-https://forum.xda-developers.com/poco-f1/development#romList
Oxygen OS for Redmi Note 5 Pro:-https://forum.xda-developers.com/redmi-note-5-pro/development/rom-oxygenos-ob11-oneplus-6-t3892049
Oxygen OS for Redmi Note 6 Pro:-https://drive.google.com/file/d/1cxqt6yTALm-7DQiWDFOhg2uqM_Imkzgp/view
The above links are the latest oxygen os build for Redmi Note 5 Pro/Note 6 Pro