OpenAI Unveils GPT-5.4 with Million-Token Context Window

OpenAI announced GPT-5.4, positioning it as their most advanced AI model yet for professional applications. The company shared the news via their official Twitter account, highlighting several breakthrough capabilities.

The standout feature is the 1 million-token context window, allowing the model to process and remember vastly more information in a single conversation than previous versions. This means professionals can work with entire codebases, lengthy documents, or complex projects without the AI losing track of earlier context.

GPT-5.4 brings "state-of-the-art" improvements in coding assistance, computer use capabilities, and tool search functionality. These enhancements target professional workflows, suggesting the model can better understand and generate code, interact with computer systems, and locate relevant tools or resources.

OpenAI emphasizes both capability and efficiency, indicating the model delivers superior performance