On Friday, OpenAI released its o3-mini model, the most cost-efficient model in OpenAI’s reasoning series, to the public. Until now, that series has been comprised of o1 and o1-mini. Like its ...

During the 12 days of Shipmas, OpenAI unveiled its latest advancements in artificial intelligence with the announcement of the o3 model and its counterpart, the o3 Mini. These models improve reasoning ...

OpenAI saved its biggest announcement for the last day of its 12-day “shipmas” event. On Friday, the company unveiled o3, the successor to the o1 “reasoning” model it released earlier in the year. o3 ...

On Sept. 12, 2024, ChatGPT creator OpenAI introduced its first reasoning model known as o1, the first in the o-series of models. While GPT-4 excels at general language tasks, the o-series focuses ...

Over the last week, OpenAI’s place atop the AI model hierarchy has been heavily challenged by Chinese model DeepSeek. Today, OpenAI struck back with the public release of o3-mini, its latest simulated ...

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 ...

After nearly two weeks of announcements, OpenAI capped off its 12 Days of OpenAI livestream series with a preview of its next-generation frontier model. "Out of respect for friends at Telefónica ...

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor. On Thursday, Microsoft announced that it’s rolling OpenAI's reasoning model o1 out to ...

OpenAI is planning to ship an update to ChatGPT that will turn on the new o3 Pro model, which has more compute to think harder. ChatGPT currently offers o4-mini, o4-mini-high, GPT-4.5, GPT-4.1, ...

The news is a reversal from February announcements that said it would "no longer ship o3 as a standalone model." OpenAI surprised customers this week when CEO Sam Altman announced on X/Twitter that ...