GPT-Rosalind
GPT-Rosalind came out of research preview and is now available globally to eligible organizations through OpenAI's trusted-access program, with published pricing taking effect on October 5, 2026.
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.