New OpenAI GPT-5.4 AI Model : Everything You Need to Know

GPT-5.4 expands the context window to 1 million tokens; the larger limit supports longer coding and research sessions.

ChatGPT-5.4 is OpenAI’s fastest model yet — 7 prompts that show what it can really do

OpenAI’s new GPT-5.4 model promises stronger reasoning, better coding capabilities and the ability to handle longer, more complex tasks. To see how well those claims hold up, I tested the model with ...

OpenAI’s new flagship GPT model is made for AI agents

GPT-5.4 is out now on ChatGPT (where it goes by the name GPT-5.4 Thinking) as well as on the OpenAI API and OpenAI’s coding ...

GPT-5.4 Arrives in ChatGPT with Native Computer Use and Agentic Capabilities

OpenAI's new GPT-5.4 AI model in ChatGPT combines advanced reasoning, computer use, and agentic workflows into a single ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83%

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