Model Routing in 2026: How Multi-Model Agent Stacks Stay Cheap
The routing problem, three approaches, and how we cut token costs 76% without losing quality.
The routing problem, three approaches, and how we cut token costs 76% without losing quality.
A team just published a tool that finds reasoning circuits inside language models - and then duplicates them to make the model dramatically better at logical deduction. No fine-tuning. No new training data. No gradient descent. Just copy three transf...
Duplicate three layers in a 24B model. Logical deduction goes from 22% to 76%. No training. No new data. Just architecture.