The reality is I suspect one will use different models for different things. Think of it like having different modes of transportation.

You might use your scooter, bike, car, jet - depending on the circumstances. A bike was invented 100 years ago? But it may be the best in the right use case. Would still be using DaVinci for some things because we haven't bothered swapping it and it works fine.

For me - the value of R1/o3 is visible logic that provides an analysis that can be critiqued by Sonnet 3.5