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OpenAI

Is GPT-4.1 out? Yes, since April 14, 2025

Yes. GPT-4.1 was released on April 14, 2025.

A browser notification for each confirmed release in this family. No account or email.

Have you used it? GPT-4.1

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Lab
OpenAI
Family
GPT
Release date
Source
OpenAI · GPT-4.1 in the API

What changed

  • context 1.05M tokens · Context window of GPT-4.1. GPT-4o (2024-11-20) is the previous model of the same tier, but the gap is beyond what a percentage explains.
  • price -20 % · Prompt price compared with GPT-4o (2024-11-20), same tier in this family. Went from $2.50 / MTok to $2.00 / MTok. Lower is better.

About GPT-4.1

GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...

Next GPT model to watch

Questions

When was GPT-4.1 released?
GPT-4.1 was released on April 14, 2025.
Who makes GPT-4.1?
GPT-4.1 is made by OpenAI.
What comes after GPT-4.1?
gpt-oss-20b, released on August 5, 2025.