Homer Simpson (Ai Expert) on Instagram: "Some AI is free. Some costs money. The difference goes far deeper than price. Closed Source AI Models like GPT-4 and Claude are locked up. → Access through websites or APIs only → Can't see the underlying code → Can't modify how it works → Can't run it on your own hardware → You're renting access, not owning anything Open Source AI Models like Llama and DeepSeek are public. → Download the full model weights → Modify the code however you want → Run on your