GPT-4.5, internally called Orion, is available via the $200-per-month ChatGPT Pro subscription; OpenAI researchers say it is huge and compute-intensive (Reece Rogers/Wired) 27-02-2025

Reece Rogers / Wired:
GPT-4.5, internally called Orion, is available via the $200-per-month ChatGPT Pro subscription; OpenAI researchers say it is huge and compute-intensive — Internally called Orion, GPT-4.5 is OpenAI’s largest model to date, and it’s only available through the company’s $200 monthly ChatGPT subscription.