This AI Daily Brief headlines edition covers recent developments in the AI industry. The podcast discusses OpenAI's updated chain of thought for its O3 mini model, mirroring a feature popularized by DeepSeek, and OpenAI's plans for massive data center expansion. It also reports on Amazon's upcoming press conference to unveil its AI-powered Alexa and the recent job change of OpenAI co-founder John Schulman. Finally, it analyzes Google's release of Gemini 2.0 Pro, comparing its performance to competitors and highlighting the ongoing debate about pre-training versus inference scaling in AI model development. The episode concludes by suggesting that incremental improvements in AI models are becoming less impactful than in previous years, with cost and speed now major competitive factors.