> But "performance of Claude's from 6 months behind" is fine for a lot of tasks. And the performance of today's Claude will be still useful for many (and more and more) tasks in 6 months.

Okay, then why would one buy 6-months-ago performance for 2-3x more from an open weights lab as opposed to a closed lab?

OpenAI and Anthropic are competing heavily with GPT-6 Luna and Claude Haiku 5.5!