5.5 xhigh in fast mode is really good i think i got psyoped by twitter on medium for a bit

Sam Altman expresses satisfaction with GPT-4.5's performance in high-speed mode, noting it delivers strong results. He reflects on being influenced by Twitter discourse on Medium regarding AI model capabilities, suggesting he may have been swayed by social media opinions before reaching this conclusion about the model's actual performance.

Source: Sam Altman (X) | 2026-05-02