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DeprecatedThe :online variant is deprecated. Use the openrouter:web_search server tool instead, which gives the model control over when and how often to search.If your application already provides the web_search tool (e.g. OpenAI’s built-in web search tool type), OpenRouter automatically recognizes it and hoists it to the openrouter:web_search server tool. This means you can safely remove the :online suffix from any model slug. As long as your application exposes the web_search tool, web search still works as a server tool with any model on OpenRouter.
The :online variant enables real-time web search capabilities for any model on OpenRouter.

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Usage

Append :online to any model ID:
This is a shortcut for using the web plugin, and is exactly equivalent to:

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Details

The Online variant incorporates relevant web search results into model responses, providing access to real-time information and current events. This is particularly useful for queries that require up-to-date information beyond the model’s training data. For the recommended approach, see Web Search Server Tool. For legacy plugin details, see Web Search Plugin.