OpenAI· GPT / ChatGPT / APINew model

Introducing GPT-4.1 in the API

OpenAI introduced GPT-4.1, a new family of models with improvements in coding, instruction following, and long-context understanding, along with their first nano model. The models are available to developers worldwide starting today.

From the source

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.

openai.com

Announced

14 Apr 2025 10:00 UTC

Detected

03 Aug 2026 21:11 UTC (+476d after)