My choice of LLMs was
Coding in cursor: Claude
General questions: Grok, if it fails then Gemini
Deep Research: Gemini (I don't have GPT plus, I heard it's better)
Although it’s not for coding, I have noticed Gemini 2.5 pro Deep Research has surpassed Grok’s DeepSearch in thoroughness and research quality however.
Maybe some LLMs are better for different languages