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TechRadar
TechRadar
Eric Hal Schwartz

Google Gemini 2.5 Flash promises to be your favorite AI chatbot, but how does it compare to ChatGPT 4o?

ChatGPT vs Gemini comparison.

Anyone who's played around with AI chatbots over the last couple of years has seen enormous leaps in their ability and range of features, even if not quite the revolutionary sort proclaimed by their various developers. Most of them claim to be the best choice, including Google's new Gemini 2.5 Flash model.

With such a broad range of uses suggested by Google for Gemini, I wanted to see how it did with a semi-random collection of prompts covering different aspects of the model. For comparison, I tested it against OpenAI’s ChatGPT, specifically the GPT-4o model.

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