What are the main benefits of using wooden window frames?

It depends on where you want to use the blinds. If you are a home decorator and have certain settings for different rooms then you could consider using wooden blinds. They have good and bad advantages some good ones are if you like home decoration or the are good heat/air thermals meaning they help keep it insolated in the room they are being used in. Disadvantages are that they are flexible but heavy to lift.