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OpenAI GPT-5.4 vs xAI Grok 4.20: Which AI Chatbot Is Best for You?

by Decrypt
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OpenAI GPT-5.4 vs xAI Grok 4.20: Which AI Chatbot Is Best for You?

In brief

  • OpenAI and xAI released their best models to date in recent weeks.
  • They have different users in mind, but both overall feel more natural than their predecessors.
  • GPT-5.4 wins on reliability and reasoning; Grok 4.20 wins on personality and speed.