AI · CAIO / CIO · ARCHITECT / CTO 15 Techniques to lower the cost of AI Incorporate smart harnesses, multi-model routing, self-hosting open-weight models, prompt caching, and SLM training to lower your AI spend. Tyler Jewell September 8, 2026 · 18 min read AI budgets approved in the last two years have grown exponentially. A16Z indicates that its grown 3x year-over-year on a per-employee basis.