OpenAI launches GPT-4.1 series with massive upgrades and affordable options

OpenAI has introduced its rearmost GPT- 4.1 series, which includes the standard GPT- 4.1, along with two lighter performances GPT- 4.1 mini and GPT- 4.1 nano. These models deliver notable advancements over the GPT- 4o family, especially in areas like software development, instruction running, and long- environment understanding. The flagship GPT- 4.1 now features a massive environment window of over to 1 million commemoratives and a knowledge arrestment of June 2024, surpassing GPT- 4o’s October 2023 limit.

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According to OpenAI, GPT- 4.1 performs 21 better in software engineering tasks and is over 10 more accurate in following instructions. It also demonstrates better thickness in multi-turn exchanges, making it suitable for real- world uses like client service, content creation, and programming.

By popular request, GPT-4.1 will be available directly in ChatGPT starting today.

GPT-4.1 is a specialized model that excels at coding tasks & instruction following. Because it’s faster, it’s a great alternative to OpenAI o3 & o4-mini for everyday coding needs.

— OpenAI (@OpenAI)

By popular request, GPT-4.1 will be available directly in ChatGPT starting today.

GPT-4.1 is a specialized model that excels at coding tasks & instruction following. Because it’s faster, it’s a great alternative to OpenAI o3 & o4-mini for everyday coding needs.

— OpenAI (@OpenAI) May 14, 2025

">May 14, 2025

While inventors have had access via API for the once month, GPT- 4.1 is now available to ChatGPT Plus, Pro, and Team subscribers. Free- league druggies will continue with GPT- 4o for now.

Pricing has been significantly lowered, with GPT- 4.1 input commemoratives starting at $2 per million and nano as low as $0.10. Aged models like GPT- 4.5 Preview and GPT- 4 have formerly been retired.