Cloud vs Self-Hosted AI: A Practical Guide to Making the Right Choice (2026)

Enterprise AI spending hit an average of $85,500 per month in 2025, up 36% from the year before. And a growing chunk of that budget goes toward a decision most teams get wrong: choosing between cloud AI services and self-hosted AI models. The tradeoff sounds simple on paper. Cloud gives you speed. Self-hosting gives you control. But the actual decision depends on your workload volume, regulatory requirements, team size, and how much infrastructure you're willing to manage. This guide walks through real costs, practical use cases, and a decision framework to help you pick the right approach without overspending or overcommitting. Cloud AI vs Self-Hosted: What's Actually Different Cloud AI means using APIs from providers like OpenAI, Google, or Anthropic. You send data to their servers, get a response back, and pay per token or per request. No GPUs to provision. No models to maintain. You're renting someone else's infrastructure. Self-hosted means running models on hardware you control,