Transformers Are Not the End: What Comes After the Attention Mechanism?

The transformer architecture has dominated AI for nearly a decade. It powers ChatGPT, Claude, Gemini, and almost every major language model. It is elegant. It is powerful. It is also inefficient. The attention mechanism that makes transformers so good also makes them slow and expensive. As models grow, the cost grows quadratically. The transformer may be reaching its limits. The next generation of AI may be built on something else. This is the post-transformer era. Researchers are exploring…