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Tom’s Guide
Tom’s Guide
Technology
Amanda Caswell

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

Grok vs Chat GPT logos.

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.

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