OpenAI launched its cost-efficient o3-mini model in the same week that DeepSeek's R1 disrupted the tech industry.

After the release of DeepSeek R1, a Chinese-made freely available and open source "reasoning" AI model, the creators of ChatGPT have fully released o3-mini to all paid tiers, including a trial to free ...

OpenAI could double its market valuation through another round of funding, valuing the AI firm at $340 billion.

China-based DeepSeek AI is pulling the rug out from under OpenAI. The DeepSeek algorithm is ‘open weight,’ which is similar to but different from ‘open source.’ Hardware limits, like “no Nvidia GPUs,” ...