OpenAI has released GPT-5.4, a frontier model with improvements in reasoning, coding, and professional document creation.
GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.
On Thursday, OpenAI released GPT-5.4, a new foundation model billed as “our most capable and efficient frontier model for ...