Part 8/12:
Recent models, notably Grok 4, already expanded context windows to 256,000 tokens—enough to handle entire textbooks or lengthy research papers. Rumors suggest Grok 5 will push this even further, potentially handling millions of tokens and maintaining persistent memory across sessions, transforming simple chatbots into truly personalized assistants.
This evolution means AI systems that remember user preferences, adapt to individual workflows, and carry on nuanced conversations over weeks or months—bridging the gap between machine and human interaction.