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On October 28, 2026, OpenRouter announced the rebuild and release of a new provider routing algorithm, changing the basis for traffic allocation from primarily input token price to a real-time routing cost that comprehensively factors in actual price, time to first token (TTFT) latency, throughput, error rate, and output quality. OpenRouter officially states that the new algorithm reduces TTFT by 16.9%, increases throughput by 16.3%, and cuts 429 errors by 46%, while cost per request rises by 6.0%. Users do not need to modify code; explicitly setting provider.sort or provider.order can still bypass the new logic. There are currently no subsequent developments.
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OpenRouter Rebuilds Provider Routing Algorithm, Reducing TTFT by 16.9%Developments
1 confirmed developments
OpenRouter releases new version of provider routing algorithm
Source:OpenRouter：Announcements
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Oct 28
OpenRouter：AnnouncementsFirst-partySelected
OpenRouter Rebuilds Provider Routing Algorithm, Reducing TTFT by 16.9%
OpenRouter announced that it has rebuilt its provider routing algorithm, shifting from allocating traffic mainly based on input token price to a real-time routing cost that comprehensively factors in actual price, time to first token (TTFT), throughput, error rate, and output quality. The company says the new algorithm reduces TTFT by 16.9%, increases throughput by 16.3%, and cuts 429 errors by 46%, while cost per request rises by 6.0%. Users do not need to change any code; explicitly setting provider.sort or provider.order can still bypass the new logic.