Agent systems now bottleneck on cost, with configs spanning nearly 1,000x
abeirami · x · 2026-07-24
The thread argues that cost and inefficiency are now major bottlenecks in agent systems. It cites tools such as Cursor’s model router, Databricks’ Omnigent, and Sakana’s Fugu as examples of the ecosystem trying to reduce agent cost.
The quoted talk says one benchmark cost the team about $11,000 to profile, and that the cheapest and most expensive configurations differed by roughly 1,000×. The key point is that routing is not just about choosing a model: the system may also need to decide retrieval strategy, document count, summarization depth, and whether to run an agent loop at all. BRANE is presented as a system for routing each query to a full agent configuration while preserving quality.
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