Claude Sonnet 5
Claude Sonnet 5 is available everywhere today at $2 per million input tokens and $10 per million output tokens, with performance close to Opus 4.8 at lower prices and a strict improvement over Sonnet 4.6 on reasoning, tool use, coding, and knowledge work.
The call on this one
What shipped is free. The call on it, what to do about it and the condition on that, opens with a signup: free, no card, every edition in full.
It becomes $50 a year, and signing up now keeps your first year free.