I'd go with the 2.8% from Aave, I don't think I have seen anything better from the other major/reliable protocols.
...but rates have fallen already, I guess everyone is fleeing to stables and within stables everyone is fleeing to USDC. Current USDC rate is 1.46% (vs. 2% for USDT)
Turns out I did find the right place, you just posted long-obsolete figures as fact without checking, in a thread where the actual values were the central point of discussion.