Perplexity is complete shit for learning or studying. I tried its free version about two weeks ago, and it was somewhat okay and functional, so I thought maybe the paid version would be better—after all, it's not for nothing that everyone praises it so much. In the end, you pay for the "best" AI assistant, and it can't even display formulas in a readable format, whereas free alternatives like DeepSeek do this without any issues.
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