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Please don’t retire GPT-5.1 Thinking – GPT-5.2 feels worse

OpenAI Developer Community May 31, 2026
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Just adding a bit more to my previous post: One more area where I’ve noticed a clear regression is in how well the model understands class dynamics and local cultural nuances in Southeast Asia. GPT-5.0, 5.1 and especially 5.4 Thinking were surprisingly good at picking up on these subtle layers – things such as social hierarchies, class-based perspectives, regional sensitivities, and the way language shifts depending on context and status. These are crucial for accurate translation and cultural preservation work. By comparison, 5.5 feels noticeably flatter and more generic in this regard. It tends to default to a more neutral, globalized lens and misses some of the finer socio-cultural texture that the earlier models handled so well. This makes it less effective for the kind of nuanced, long-form editorial and documentation work that I do. Would love to see this depth preserved or improved in future versions. Thanks again for reading the feedback.

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