Which one is better chatgpt 4 or 4o July 8, 2019 16 32 64 128 Which is better chatgpt 4 or 4o Which model is better chatgpt 4 or 4o Which is better for coding chatgpt 4 or 4o Difference between chatgpt 3 and 4 Is chatgpt 4 free Chatgpt 4 what is it