For AI agents: a documentation index is available at the root level at /llms.txt and /llms-full.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
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ModelsChatRankingsDocs

Changelog

A daily log of product changes, improvements, and new model releases on OpenRouter
April 14, 2026
April 14, 2026

Product changes

  • Guardrails enforcement modes — Guardrails now support an enforcement mode dropdown (replacing the previous boolean toggle), giving you options like block, flag, or log for content policy violations.
  • Guardrails for large prompts — Guardrails now chunk and parallelize analysis of large prompts for faster content filtering.
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