OpenAI releases GPT-4.1, o3 and o4-mini

This week, OpenAI released a bunch of new AI models. Starting with GPT-4.1 up to o3 and o4-mini. One thing that stands out is the naming convention, which is quite irritating. This is because GPT-4.1 replaces GPT-4.5 in the API.

Image with the writing New OpenAI Models
Generated with Grok

The details

  • GPT-4.1 comes in three variants: GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano. The new model family is only available via API and is designed for developers. All three models have a context window of 1 million tokens and a knowledge base cutoff of June 2024.
  • In addition, OpenAI released two new reasoning models called o3 and o4-mini. According to OpenAI, these are the smartest models they have released so far.
  • Both models (o3 and o4-mini) can use and combine all tools within ChatGPT, including web search, Python analysis, visual reasoning, and image generation. The models decide for themselves when they need specific abilities.
  • The models o3 and o4-mini are now available for ChatGPT Plus, Pro, and Team users. ChatGPT Enterprise and Edu users will get access next week. Free users get limited access to o4-mini.
Image that shows how the models o3 and o4-mini can add images into their chain of thought.
Thinking with images: o3 and o4-mini can add images into their chain of thought. (Image by OpenAI)

Our thoughts

The o3 and o4-mini models are perfect for agentic AI because they have full access to the tools of ChatGPT. In addition, you can use the models with your tools via function calling in the API. The new models are more powerful and offer new application possibilities.

More information: 🔗 OpenAI GPT-4.1 | OpenAI o3 and o4-mini


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