OpenAI's Deep Research tool is coming to free accounts / OpenAI wants its 'open' AI model to call models in the cloud for help / OpenAI seeks to make its upcoming 'open' AI model best-in-class / OpenAI's GPT-4.1 may be less aligned than the company's previous AI models / OpenAI details ChatGPT-o3, o4-mini, o4-mini-high usage limits / OpenAI's o3 AI model scores lower on a benchmark than the company initially implied / OpenAI's new reasoning AI models hallucinate more / OpenAI's mind-boggling growth masks challenges / OpenAI's Stargate project sets its sights on international expansion / OpenAI partner says it had relatively little time to test the company's o3 AI model