Claude Opus 4.5
Claude Opus 4.5 is available today on Anthropic's apps, API, and all three major cloud platforms at $5 per million input tokens and $25 per million output tokens. It leads 7 out of 8 programming languages on SWE-bench Multilingual and scores a 10.6% jump over Sonnet 4.5 on Aider Polyglot.
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.