model routing
Automatically selecting which model to use based on task requirements to optimize cost and performance. Every Jev Daily story on model routing, newest first. 4 stories since September 2026.
- Harrison Chase says Open SWE routing cut cost per task 64%
Model selection moved out of the agent and into the harness, with the quality bar as the gate.
- Hassan ships Together Link, a CLI that auto-routes open models
Six weeks of work, routing per session, and no benchmark numbers yet.
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- Sydney Runkle says a model router cut agent cost 64%
The number comes from one team's own agent, and the eval behind the no quality drop claim is never described.
- Theo and elvis got opposite results from Jev Router
One coding benchmark says the router costs more and runs longer, one small support agent says it halves the bill.
People on model routing
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Jev, read daily so you do not have to. The builds, the benchmarks, the criteria that worked and the cases where it lost, from the people shipping on TypeSafe AI's System One model.