Cursor Router: Auto Model Selection Cuts AI Coding Costs by 60%

Cursor launched Router on July 22, 2026, a request-level classifier trained on over 600,000 live coding sessions that automatically selects the AI model for each prompt, cutting AI coding costs by up to 68%. In production A/B tests over millions of real developer requests, teams paying $7+ per commit for Opus 4.8 can now match or beat satisfaction scores for $4.63.

Cursor launched Router on July 22, 2026 — a request-level classifier trained on over 600,000 live coding sessions that picks the AI model for every prompt you send. The headline number: frontier-quality results at up to 68% lower cost. Teams paying $7+ per commit for Opus 4.8 can now match or beat those satisfaction scores for $4.63. That is not a benchmark claim. Cursor measured it in production, over millions of real developer requests, using A/B testing. Two Modes, One System When you select Auto in the Cursor model picker, Router runs a classifier on each agent request before any … The post