GPT-4.1 in the API

A new series of GPT models featuring major improvements on coding, instruction following, and long context—plus our first-ever nano model.

GPT-4.1 introduces a new series of enhanced models in the API, including GPT-4.1 mini and GPT-4.1 nano. These models offer significant upgrades in coding capabilities, instruction adherence, and handling long-context tasks. The addition of the nano model marks OpenAI's first entry into ultra-compact AI solutions, providing versatile performance across different use cases. Ideal for developers seeking advanced yet efficient AI integration.