Writing
2026
- Half the latency, 61% cheaper: cascading a decision model in front of an LLM
CascadeEvaluator lets TypeSafe’s Jev settle the decisions it is sure of and passes the rest to any LLM judge you pick. Against Claude Sonnet 4.6 on 200 real agent turns, it was 51% faster and 61% cheaper, with no loss in accuracy.