What Did OpenAI Do This Week?

What Did OpenAI Do This Week?

Share this post

What Did OpenAI Do This Week?
What Did OpenAI Do This Week?
BREAKING: OpenAI releases GPT-4.5

BREAKING: OpenAI releases GPT-4.5

What you need to know and the full system card

Feb 27, 2025
∙ Paid
2

Share this post

What Did OpenAI Do This Week?
What Did OpenAI Do This Week?
BREAKING: OpenAI releases GPT-4.5
1
Share

Lots to unpack, and lots you’ll want to test out…

Keep reading with a 7-day free trial

Subscribe to What Did OpenAI Do This Week? to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 What Did ________ Do This Week?
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share