What if the future of artificial intelligence wasn’t just smarter—but also smaller, faster, and more accessible than ever? With the release of GPT-5, OpenAI has introduced not one, but three tailored ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

OpenAI announced on Wednesday the launch of o3 and o4-mini, new AI reasoning models designed to pause and work through questions before responding. The company calls o3 its most advanced reasoning ...

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OpenAI had a big week when it comes to ChatGPT, unleashing multiple new models that are available to users right away. The chatbot got several new features that are scattered around the various models ...

On Wednesday, OpenAI announced the release of two new models—o3 and o4-mini—that combine simulated reasoning capabilities with access to functions like web browsing and coding. These models mark the ...

UPDATE: Apr. 16, 2025, 2:18 p.m. EDT Now that the OpenAI livestream has ended, this article has been updated with the latest information about the o3 and o4-mini launch. OpenAI's o3 and o4-mini models ...

Since the launch of OpenAI's powerful proprietary large language model (LLM) GPT-4 in March 2023 — 18 months ago — users and developers have wondered about when the company that kicked off the ...

OpenAI on Monday launched a new family of models called GPT-4.1. Yes, “4.1” — as if the company’s nomenclature wasn’t confusing enough already. There’s GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, all of ...