It's unfortunate that the word performance is overloaded and ML folks have a specific definition..that isn't what the rest of CS uses, but I understand Anthropic to mean response quality when they say this and not any other dimension you could measure performance on.
You can argue they're lying, but I think this is just folks misunderstanding what Anthropic is saying.
alt Hacker News
It's unfortunate that the word performance is overloaded and ML folks have a specific definition..that isn't what the rest of CS uses, but I understand Anthropic to mean response quality when they say this and not any other dimension you could measure performance on.
You can argue they're lying, but I think this is just folks misunderstanding what Anthropic is saying.