Deep Research holds a significant lead ahead of ChatGPT o3-mini and DeepSeek's R1 V3-powered model in the world's hardest AI exam, with a 26.6% accuracy score.

OpenAI's latest small reasoning model represents a significant leap forward in AI capabilities. Unlike traditional language models, o3-mini specializes in complex reasoning tasks, making it particularly effective for things like: scientific analysis and research synthesis, problem-solving, code optimization and debugging and automation.

OpenAI CEO Sam Altman teased exactly two weeks ago that o3-mini would ship in “a couple of weeks,” and it’s arriving on time today. OpenAI is launching its latest o3-mini reasoning model inside ChatGPT and its API services and making a version with rate limits available to free users of ChatGPT for the first time.

Thanks to DeepSeek, OpenAI has released its frontier o3-mini model for free to all ChatGPT users. ChatGPT Plus users get the o3-mini-high model.

ChatGPT o3 Mini offers unmatched AI performance, free access, and tailored variants for diverse applications. ChatGPT o3 Mini AI model

OpenAI has released o3-mini, providing a more powerful model to face off against the dark horse DeepSeek in what is shaping up to be an epic power struggle. The reasoning model is designed to be much more competent in coding,

With DeepSeek R1 matching ChatGPT o1, the o3 release seems inevitable, but that’s because OpenAI already set it that way.

OpenAI today released o3-mini, a new, more cost efficient model that's available for both ChatGPT and the OpenAI API starting today.

OpenAI just released o3-mini, a reasoning model that’s faster, cheaper, and more accurate than its predecessor.

OpenAI has launched a new 'reasoning' AI model, o3-mini, the successor to the AI startup's o1 family of reasoning models.