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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DocsAPI ReferenceClient SDKsAgent SDKCookbookChangelog
DocsAPI ReferenceClient SDKsAgent SDKCookbookChangelog
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ModelsChatRankingsDocs

Changelog

A daily log of product changes, improvements, and new model releases on OpenRouter
June 4, 2026
June 4, 2026

Product changes

  • Advisor server tool (beta) — Added openrouter:advisor, a new server tool that lets a model consult a higher-intelligence advisor model mid-inference and use the response to inform its own answer, with support for multiple named advisor profiles — share your feedback on Discord.
  • Audio and video input references for video generation — The video generation input_references array now accepts audio_url and video_url types alongside image_url, opening up video editing and richer reference-to-video workflows. Docs
  • Fixed: Activity chart understating total usage for accounts with many API keys — The “Others” aggregation bucket in Activity charts was being overwritten instead of accumulated, causing accounts with many API keys to see understated totals.

New models

  • NVIDIA: Nemotron 3.5 Content Safety (free)
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