(image generated using Gemini.ai)

 

(from tomsguide.com)

 

"ChatGPT continues to be an impressive go-to chatbot for everything from quick questions to long-form summaries. Since the launch of ChatGPT-5.1, I’ve been testing OpenAI’s smartest model against Gemini 3.0 — Google’s newest system now topping the LMArena Leaderboard.

But here’s the interesting part: while Gemini 3.0 sits at the top, Grok 4.1, not ChatGPT, has climbed right behind it in a surprisingly close second.

For that reason, 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. Here's a look at what happened with each when queried with nine challenging tests."

 

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I just tested ChatGPT-5.1 vs. Grok 4.1 with 9 prompts — and there's a clear winner