Following that behavioral change, the company has tagged on an additional release. OpenAI made ChatGPT-5.4 official, marking it as an upgrade for users who need the model for “professional” work and ...

GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

How to switch from ChatGPT to Claude: Transferring your memories and settings is easy ...

Already bored with ChatGPT 5.3 Instant, which came out Tuesday? OpenAI has a new model family ready for you. The company released two new models, named GPT 5.4 Thinking and GPT 5.4 Pro, on Thursday.