OpenAI starts the release of its o3 mini AI model for ChatGPT, and it's got a nice speed boost over o1

(Image credit: OpenAI)

OpenAI is launching the o3 mini AI model on ChatGPT and as an API
The o3 mini is more powerful than the o1 mini but smaller than the o3 model
The o3 mini boasts superior problem-solving abilities in science and math

OpenAI followed up on its December release of the OpenAI o1 model with the official rollout of its smaller sibling, the OpenAI o3 mini model. CEO Sam Altman broke the news on X, revealing that o3 mini will be available on ChatGPT and as an API for developers. The o3 mini model is an upgrade to the o1 mini model just as the o3 model is to the o1 model released last year. The o3 series is supposed to be smarter, faster, and better in all ways from its predecessors.

The o1 models were designed to spend more time processing queries, taking a longer, harder look at problems most models would give up on. The o3 models take those abilities and further enhance them while also running more quickly and efficiently. That's going to be useful when you use ChatGPT's new Tasks feature, which gives the AI chatbot a more proactive role in reminding you of tasks and events.

The launch of the o3 mini isn’t just about improving reasoning capabilities; it’s about staying ahead in the highly competitive AI landscape. Google, Meta, and others are all working to advance their models and try to dominate the market. ChatGPT and OpenAI can't afford to rest on their laurels, and the company seems to understand that. OpenAI clearly believes users want tools that don’t just follow the rules but also think critically and are flexible in how they assist you. That's where Altman and his team hope the o3 and o3 mini models will shine.

thank you to the external safety researchers who tested o3-mini.we have now finalized a version and are beginning the release process; planning to ship in ~a couple of weeks.also, we heard the feedback: will launch api and chatgpt at the same time!(it's very good.)January 17, 2025

Power in miniature

A bigger question may be, will models like o3 mini actually change how AI is used, or if it's just going to improve the results in small ways. OpenAI obviously hopes these upgrades lead to more people engaging with its AI models. By making its models better at reasoning, the company looks to be targeting those users who need something more sophisticated than the current level of conversational AI.

The o3 mini model looks like it might hit the sweet spot between power and accessibility for ChatGPT users. By offering smarter reasoning in a more compact package, OpenAI could attract users who want cutting-edge AI but don’t need the full heavyweight version just yet.

With burgeoning competition, OpenAI might be thrilled with any improvements it can point to in its latest models, considering the rumors of stalled progress on recent AI models at OpenAI and elsewhere. Even if its sense of humor may still be a work in progress.

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Eric Hal Schwartz is a freelance writer for TechRadar with more than 15 years of experience covering the intersection of the world and technology. For the last five years, he served as head writer for Voicebot.ai and was on the leading edge of reporting on generative AI and large language models. He's since become an expert on the products of generative AI models, such as OpenAI’s ChatGPT, Anthropic’s Claude, Google Gemini, and every other synthetic media tool. His experience runs the gamut of media, including print, digital, broadcast, and live events. Now, he's continuing to tell the stories people want and need to hear about the rapidly evolving AI space and its impact on their lives. Eric is based in New York City.