Has Gemini surpassed ChatGPT? We put the AI models to the test.

Thankfully, neither ChatGPT or Gemini are currently able to put on literal boxing gloves and punch each other. Credit: Aurich Lawson | Getty Images

The last time we did comparative tests of AI models from OpenAI and Google at Ars was in late 2023, when Google’s offering was still called Bard. In the roughly two years since, a lot has happened in the world of artificial intelligence. And now that Apple has made the consequential decision to partner with Google Gemini to power the next generation of its Siri voice assistant, we thought it was high time to do some new tests to see where the models from these AI giants stand today.

For this test, we’re comparing the default models that both OpenAI and Google present to users who don’t pay for a regular subscription— ChatGPT 5.2 for OpenAI and Gemini 3.2 Fast for Google ...