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OpenAI's GPT-5 is now free for all: How to access and everything else we know
We're testing GPT-5 and will have more to share next week. Here's what we know about OpenAI's GPT-5 so far.
As with every model release, the GPT-5 drop was accompanied by benchmark evaluations, in which it earned state-of-the-art scores across math (AIME 2025), coding (SWE-Bench Verified), and multimodal understanding (MMMU). Before the model was released, I watched a live demo of the feature, in which the user created a fully functional web app with interactive elements such as flashcards, a quiz with right and wrong answers, and a game from a simple text prompt. OpenAI also added new publicly available benchmarks to test factuality, including LongFact and FActScore, in which GPT-5 with thinking showed a significant drop in hallucinations.
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