Claude Sonnet 4.6
Claude Sonnet 4.6 is a full upgrade across coding, computer use, long-context reasoning, agent planning, knowledge work, and design. Pricing remains the same as Sonnet 4.5, starting at $3/$15 per million tokens, with a 1M token context window in beta.
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.