We have rolled back last week’s GPT‑4o update in ChatGPT so people are now using an earlier version with more balanced behavior. The update we removed was overly flattering or agreeable—often described as sycophantic.
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Cost-effective AI image generation with PixArt-Σ inference on AWS Trainium and AWS Inferentia
PixArt-Sigma is a diffusion transformer model that is capable of image generation at 4k resolution. This model shows significant improvements...