Tokens used by 1 conversation - anthropic

[luciannuta]

Hello, does having a longer conversation make it become increasingly costly because it always reads the previous messages? I feel like this is how anthropic api worked for me

[danny-avila]

Yes but prompt caching should help with this.

[luciannuta]

yes, but it looks like prompt caching was activated

[luciannuta]

And using max context tokens leads to "Something went wrong. Here's the specific error message we encountered: Operation failed after 3 attempts: 400 {"type":"error","error":{"type":"invalid_request_error","message":"messages: at least one message is required"}}"