“200k context” is a statement about what the serving stack will accept, not a promise about what the model can use. The two numbers are related but they are not the same, and the gap between them has been measured — by people who published their method. What the advertised number is For an open...

Source: [Dev.to](https://dev.to/multigrid/effective-context-length-vs-advertised-context-length-1ne7)

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