AI Engineering

Model Fleets: Why Enterprises Are Moving From One LLM to Many

Why enterprises are shifting from a single LLM provider to routed model fleets, with practical routing strategies, tradeoffs, and failure modes to watch for.

Sachin SharmaCreator

Jul 4, 2026

7 min read

Model Fleets: Why Enterprises Are Moving From One LLM to Many

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Why enterprises are shifting from a single LLM provider to routed model fleets, with practical routing strategies, tradeoffs, and failure modes to watch for.

LLM Routing AI Infrastructure Model Selection AI Engineering Cost Optimization

Sachin Sharma

Full Stack Developer & Mobile Engineer

Building digital experiences at the intersection of design and code. Sharing weekly insights on engineering, productivity, and the future of tech.

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Model Fleets: Why Enterprises Are Moving From One LLM to Many

Standardizing on a single model made sense when there were three viable options. With dozens of capable models at wildly different price and latency points, routing across a fleet is now the more defensible default.