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not sure wym, it's in the headline of the article that Opus 4 has 200k context

(same as sonnet 3.7 with the beta header)



There's the nominal context length, and the effective one. You need a benchmark like the needle-in-a-haystack or RULER to determine the latter.

https://github.com/NVIDIA/RULER


We might be looking at different articles? The string "200" appears nowhere in this one --- or I'm just wrong! But thanks!


My mistake, I was in fact looking at one of the linked details pages




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