Function calling and other API updates
OpenAI just made function calling production-ready. Here's why your AI product got faster and cheaper overnight.

Why it matters
OpenAI rolled out steerable models, function calling, extended context windows, and price cuts—direct competitive moves that reshape the economics of building AI apps. This is the infrastructure layer every founder needs to track.
The key facts
5 to knowFunction calling capabilities shipped
Extended context window support announced
Price reductions implemented
Steerable API models released
Published June 13, 2023
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: We’re announcing updates including more steerable API models, function calling capabilities, longer context, and lower prices.
