OpenAI GPT-5.5 tops the Artificial Analysis Intelligence Index by 3 points, breaking a three-way tie with Anthropic and Google. There is indication that is faster and has some good results but some results are mid. More time is needed. It is a good model but it does not appear to be groundbreaking. OpenAI topping five ...

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Link :
https://www.nextbigfuture.com/2026/04/openai-gpt-5-5-has-good-ranking-scores-but-is-it-better.html