Introducing GPT-4.1 in the API

Introducing GPT-4.1 in the API—a new family of models with across-the-board improvements, including major gains in coding, instruction following, and long-context understanding. We’re also releasing our first nano model. Available to developers worldwide starting today.

Source: OpenAI ChatGPT — Published April 14, 2025 at 10:00 UTC — Category: Chatbots