# LLM Routing Can Cost More Than Not Routing

DevFeed: [LLM Routing Can Cost More Than Not Routing](<https://devfeed.tech/articles/llm-routing-can-cost-more-than-not-routing-18239.md>)

Original publisher: [Read original article](<https://blog.dailydoseofds.com/p/llm-routing-can-cost-more-than-not>)

Author: Avi Chawla

Published: 2026-09-07T20:30:58Z

Content type: article

Language: en

Sources: [Daily Dose of Data Science](<https://devfeed.tech/sources/daily-dose-of-data-science.md>)

Topics: [Model Routing](<https://devfeed.tech/topics/model-routing.md>), [Large Language Model](<https://devfeed.tech/topics/llm.md>), [Frontier Model](<https://devfeed.tech/topics/frontier-model.md>), [coding](<https://devfeed.tech/topics/coding.md>)

Tags: [agent](<https://devfeed.tech/tags/agent.md>), [cost](<https://devfeed.tech/tags/cost.md>), [llm](<https://devfeed.tech/tags/llm.md>), [model](<https://devfeed.tech/tags/model.md>), [models](<https://devfeed.tech/tags/models.md>), [routing](<https://devfeed.tech/tags/routing.md>)

## AI overview

The article examines why routing requests among LLMs can cost more than using one model throughout an agent session. Although cheaper models may handle simpler tasks, routing adds overhead and can be counterproductive inside agent loops.

## Source excerpt

...covered with a production-grade router for LLM apps.