xAI’s Grok 4.1 vs. OpenAI’s ChatGPT-5.1: Elon Musk’s Grok is the clear winner

Elon Musk
As artificial intelligence models evolve at breakneck speed, the battle for conversational supremacy intensifies. In this head-to-head showdown, we pit OpenAI’s latest powerhouse, ChatGPT-5.1, against xAI’s bold challenger, Grok 4.1—testing them across nine diverse prompts spanning reasoning, creativity, coding, and emotional depth. The results? Elon Musk’s Grok doesn’t just compete; it dominates with sharper wit, deeper empathy, and a distinctly human edge.
Amanda Caswell for Tom’s Guide:
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I couldn’t wait to see how ChatGPT-5.1 compares to Grok 4.1. The following is a result of a nine-round faceoff between the two popular chatbots. What I noticed first was that both models are exceptionally capable, but they shine in very different ways, and the differences say a lot about how each approaches reasoning, communication and personality…
After running nine tests, Grok 4.1 is declared the winner. It thrives where tone, subtext and interpretation matter as much as the answer itself. It is sharper than ChatGPT-5.1 with emotional framing, bolder with creativity and more willing to point out the obscure and interesting… ChatGPT excels when brevity matters but it’s clear that Grok 4.1 is the more “human” of the two chatbots. Grok is honest and smart, with a personality that ChatGPT just doesn’t have.

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MacDailyNews Take: Caswell even gifted ChatGPT with a “win” in one category, code generation, even though both generated the proper code, but Grok offered more, adding “inline comments explaining the expansion logic and a brief comparison to other algorithms,” which Caswell marked off as “too verbose and not necessarily needed.”