ROUTERS ARE A NEW AI PRIMITIVE

Summary from the TLDR AI newsletter

Routers have emerged as a new primitive of the AI stack. They promise to handle the complexity of model management and help companies benefit from new models without revisiting model selection across every application themselves. Every router shares the same fundamental design, but they differ in how they decide. This post provides an independent comparison of current routers and looks at how today's routers compare with single models on quality and cost.