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Function calling and other API updates

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

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The KeyNews take

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 know
  1. Function calling capabilities shipped

  2. Extended context window support announced

  3. Price reductions implemented

  4. Steerable API models released

  5. 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.
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