GPT-5.4 mini and nano
GPT-5.4 mini and nano released. Mini hits SWE-Bench Pro 54.4% and OSWorld-Verified 72.1%, running more than 2x faster than GPT-5 mini. Nano costs $0.20 per 1M input tokens and $1.25 per 1M output tokens.
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.