Model WarsApril 14, 2025via OpenAI Blog

Introducing GPT-4.1 in the API

Why it matters

OpenAI releases a new flagship model family with measurable improvements in three critical domains (coding, instruction-following, long-context), forcing every company running on GPT-4 or older to reassess their stack immediately.

Key signals

  • New model family: GPT-4.1
  • Key capability improvements: coding, instruction following, long-context understanding
  • First nano model released
  • Available to API developers worldwide immediately
  • Published April 14, 2025

The hook

OpenAI just shipped GPT-4.1. Across-the-board wins in coding, instruction-following, and long-context. Your models are already behind.

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.
Relevance score:82/100

Get stories like this every Friday.

The 5 AI stories that matter — free, in your inbox.

Free forever. No spam.