Grok is the least "honest" out there. And you should 100 % never believe anything Elon Musk says, he's one of the most clueless and unreliable people in existence.
Grok had specific baked in instructions to avoid negative statements about Musk and Trump, how is that for truth seeking? No other LLM company has done that from what I know.
Which lead to this hilarious bit where Grok bot claimed Elon Musk is more athletic than Lebron James and the world's greatest lover.
https://www.rollingstone.com/culture/culture-features/elon-m...
Reportedly LLMs from China churn and struggle a little with questions related to Winnie the Pooh:
DeepSeek’s Winnie-the-Pooh Problem (Feb 2025) - https://medium.com/humanai/deepseeks-winnie-the-pooh-problem...