<ul data-eligibleForWebStory="false">GitHub Copilot users can incorporate third-party AI models like Claude, GPT-4, or Grok in Copilot's Agent Mode.A workaround involves creating a local proxy chain to maintain tool calling capabilities while using models through OpenRouter.An open-source project, copilot-ollama, simplifies setting up the proxy to enable full Agent Mode functionality with third-party models.Customization options are available for selecting and configuring different AI models, offering cost-efficient access to cutting-edge capabilities.