First, let's clear up one common misconception. The phrase "open source AI" gets thrown around a lot, but it doesn't always mean what people think it does. A truly open-source project typically makes its code, training methods and licensing available for anyone to inspect, modify and redistribute. Many of today's AI models are actually open weight rather than fully open source. That means developers can download the trained model and run it themselves, but the company may not release the training data, the code used to build it or every detail of how it was created. It's a subtle distinction,