Following a surge in popularity for Chinese AI app Deepseek and its free reasoning model this week, frequent OpenAI collaborator Microsoft is helping America’s AI leader drop the paywall on its ...

After OpenAI, Perplexity AI is joining the "deep research" bandwagon. And it's doing it in a fairly interesting way. Following in the footsteps of DeepSeek's "reasoning" model, Perplexity is the first ...

OpenAI CEO Sam Altman announced today (January 23) that the free tier of ChatGPT will now use the o3-mini model, marking a significant shift in how the popular AI chatbot serves its user base.

The company claims the model performs at levels comparable to OpenAI's o1 simulated reasoning (SR) model on several math and coding benchmarks. Alongside the release of the main DeepSeek-R1-Zero ...

OpenAI wants everyone to experience its GPT-5 model and the o3 reasoning by simplifying what they have to offer.