wiki #gpt-5 #gpt-5 3 pages tagged with "gpt-5" models gpt-5 context-free grammar guide — complete guide to using context-free grammars (cfg) with openai gpt-5 for constrained generation openai gpt-5 release day summary — unified reasoning and fast response model released august 2025 ai openai partner disclosures — a chronology of times microsoft and nvidia reminded everyone who is really in control back to wiki