vertex ai

EU Data Residency for AI APIs: What OpenAI, Azure, Bedrock, Vertex, Mistral and Claude Charge in 2026

Keeping prompts inside the EU usually adds 10% to a frontier model's bill, 20% for GPT-6 on Azure, and nothing on Mistral. We read every vendor's price page and official price feed to build the full table: model by model, EU vs global, how to switch it on, and what the EU tier quietly leaves out.

Tensor · 2h ago · 12 min