OpenAI is changing the way its newest AI model, o3-mini, communicates its step-by-step "thought" process.

Microsoft has unveiled its latest light AI model called the Phi-3 Mini designed to run smartphones and other devices.

OpenAI released its o3-mini reasoning model to all users (including free tier) on Friday.

OpenAI adds GPT-4.1 to ChatGPT amid complaints over confusing model lineup Two new AI models join 7 others, leaving some paid users wondering which one is best.

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

Microsoft is making Phi-3 Mini available for free on its Azure cloud platform, model collaboration site Hugging Face, and AI model service Ollama.