GPT-5 eats its siblings

August 11, 2025

GPT-5 eats its siblings: OpenAI says GPT-5 is so good they’re deprecating every older model. That means GPT‑4o, GPT‑4.1 and GPT‑4.5 will be gobbled up. ChatGPT defaults to GPT‑5 via a unified “auto‑switching system” sometimes. Comes with “personalities,” can solve real-world problems, and yes, it’s free.