Chinese startup DeepSeek's artificial intelligence challenges major U.S. tech companies like Meta and OpenAI. Here's why.

Advances from DeepSeek and Alibaba show we can democratize AI with faster models that are cheaper to produce and easier to use.

New figures show that if the model’s energy-intensive “chain of thought” reasoning gets added to everything, the promise of efficiency gets murky.

OpenAI is reportedly in talks to raise $40 billion through another round of funding, pushing its market capitalization to ...

The o3-mini model can be used on the free tier of ChatGPT by selecting the "Reason" feature in ChatGPT, with rate limits similar to GPT-4o. Additionally, OpenAI has increased message limits for Plus ...

If you pay for ChatGPT, you now have access to o3-mini. The company's latest reasoning model is on-par with o1-mini in key categories, but improves speed and performance.