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Curated tech posts from X on AI, startups, and product development—signal without the doomscroll, updated on weekdays.
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For complicated agent work, it's amazing how much GPT5.5 has improved. I found 5.2 to be very far behind Opus. Now using Opus 4.7 after 5.5 feels like a big step backwards. Gotta love this level of competion! Strong comeback for OpenAI.