For writing code at least this has been exactly my experience. GPT5 is the best but slow. Sonnet 4.5 is a few notches below but significantly faster and good en

For writing code at least this has been exactly my experience. GPT5 is the best but slow. Sonnet 4.5 is a few notches below but significantly faster and good enough for a lot of things. I have yet to get a single useful result from Gemini.