Best AI Model in 2025? How Gemini 3, ChatGPT 5.1 and Claude 4.5 Really Compare


The closing weeks of 2025 have turned into the most intense AI model showdown we have seen so far. Within a span of weeks:



OpenAI shipped GPT-5.1 on November 12


Google responded with Gemini 3 on November 18


Anthropic quietly kept iterating on Claude Sonnet 4.5...