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

Product changes

  • X-Generation-Id response header — All inference endpoints now return an X-Generation-Id header for easier request tracing and debugging.
  • Output modality tabs — The Models page now uses a tab-based filter for output modalities, replacing the previous sidebar dropdown.
  • Chatroom improvements — The chatroom now displays dates, real author names, and includes a datetime tool.
  • Tool error messages — Tool compatibility errors now include the first tool name in the message for easier debugging.

New models