#tokens

As of 1st June 2026, GitHub Copilot will charge its users on the basis of the tokens they use, rather than a flat rate subscription model. The model that’s seeing the shutters closed on it is, or rather was, simple to understand and use. Users were given a set number of ‘Premium Requests’ according to […] The post Per-token AI charges come to GitHub Copilot appeared first on AI News.

A few years ago, most AI models ran out of context after a short conversation. Today, leading models hold one million tokens or more. This guide breaks down context length in LLMs, how tokens work, what the lost in the middle effect means for output quality, and when RAG outperforms long context.