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.
ModelsChatRankingsDocs
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DocsAPI ReferenceClient SDKsAgent SDKCookbookChangelog
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ModelsChatRankingsDocs

Changelog

A daily log of product changes, improvements, and new model releases on OpenRouter
June 2, 2026
June 2, 2026
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Product changes

  • Rankings percentage toggle — Bar charts on the rankings page now have a menu button that lets you switch between percentage-normalized and raw token-volume views.
  • Activity deep links to individual messages — You can now deep-link to a specific message inside the Activity prompt overlay by appending ?message=<n> to the URL, and the selected row stays in sync as you navigate with prev/next buttons. Docs
  • Fixed: media_resolution parameter silently dropped for Gemini models — Sending media_resolution (e.g. MEDIA_RESOLUTION_MEDIUM) to Gemini models now correctly forwards the value to Gemini’s generationConfig, changing image token counts as expected.
  • Fixed: image generation returning empty errors for some providers — Image generation requests to providers that return non-streaming binary data (e.g. base64 images) now correctly deliver the generated image instead of an empty {} error.

New models

  • Microsoft: MAI-Voice-2
  • Microsoft: MAI-Transcribe 1.5
  • Microsoft: MAI-Image-2.5