Introducing GPT-4.1 in the API
OpenAI Blog
OpenAI released GPT-4.1, a new model family with improvements in coding, instruction following, and long-context understanding, along with a new nano model for developers. The models are available immediately through the API to developers worldwide. This enables developers to access more capable models for tasks requiring stronger reasoning and longer text processing.
Why it matters
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.