The AI vendor lock-in problem just got real Yesterday, Amazon announced OpenAI models are coming to Amazon Bedrock. That means GPT-4o, o1, and friends will be available through AWS's managed AI service — alongside Claude, Llama, Mistral, and a dozen others. On the surface this sounds like more choice. More competition. Good for developers, right? Let me explain why it's actually the opposite. What Bedrock is, and what it costs you Amazon Bedrock is AWS's "model as a managed service" layer. You pay AWS's markup on top of the model's base API cost, you get AWS's billing, and your usage gets bundled into your AWS bill. For enterprise procurement teams, this is appealing — one vendor, one invoice, existing AWS credits.…