chat-latest

Model at OpenAI

Default change

chat-latest alias released, pointing at the ChatGPT Instant model

OpenAI released a chat-latest snapshot that points to the Instant model currently used in ChatGPT and recommends GPT-5.5 for production API use.

Who is affected:
Apps calling chat-latest, which changes whenever OpenAI updates it.
What to do:
Pin a dated model for production. Use chat-latest only for testing.

Source

"snapshot which points to the latest Instant model currently used in ChatGPT."

OpenAI API changelog

Published

Open the sourcedevelopers.openai.com

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