Bard seems to still make mistakes more often than chatgpt. A couple of pretty strange ones in this answer.

Have you played around with Grok? How would you compare it? 

I find myself gravitating to it more than gpt given its access to X data + less reminders / disclaimers of it being an AI and hesitating to answer questions.

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Grok is good for fooling around, humor, and it can do some things like tapping into X’s existing data set.

But ChatGPT is way more powerful and thorough. It can ingest documents, images, emails, etc. And it can output so much more too!