As of September 2019, Coinbase Pro is cheaper than Gemini for trading fees. For takers, Coinbase Pro charges 0.25% while Gemini charges 0.26%. For makers, Coinbase Pro charges 0% while Gemini charges 0.
25%. In terms of withdrawal fees, Coinbase Pro charges $0.15 while Gemini charges $0.1.
Coinbase Pro also offers more features than Gemini. For example, Coinbase Pro offers margin trading while Gemini does not.
NOTE: Warning: Gemini and Coinbase Pro are both cryptocurrency exchanges, but one may be cheaper than the other depending on the market conditions. It is important to understand the fees associated with each exchange before making a decision. Additionally, cryptocurrency prices can be volatile and subject to rapid changes, so it is important to research current market conditions before investing in any cryptocurrency.
Coinbase Pro also offers a mobile app while Gemini does not.
Overall, Coinbase Pro is cheaper and offers more features than Gemini.