[grav]

Claude 3.7 Sonnet seems to have a context window of 64.000 via the API:

  max_tokens: 4242424242 > 64000, which is the maximum allowed number of output tokens for claude-3-7-sonnet-20250219

I got a max of 8192 with Claude 3.5 sonnet.

[koakuma-chan]

Context window is how long your prompt can be. Output tokens is how long its response can be. What you sent says its response can be 64k tokens at maximum.