· Updated
The change matters most during new model launches — exactly when provider variance spikes as inference engines finish patching chat templates and tool-call parsers. Previously, price-weighted defaults distributed tool calls across providers regardless of reliability. Auto Exacto makes the routing layer an active quality gate.
Developers building tool-calling AI agents benefit immediately — no configuration required. To revert to price-weighted routing, set provider.sort to "price", use the :floor model variant, or update your account's default sort in preferences.
"Auto Exacto" is now live, and on by default for tool-calling requests. Over the last few days, OpenRouter has reduced tool error rates by 15-90% across providers automatically. Here's how it works: https://t.co/BYGWkMkJNp
