title: Zed AI Subscription description: Learn about Zed Pro and Business plans for hosted AI models with higher rate limits and premium features.
Subscription
Zed's hosted models are offered via subscription to Zed Pro or Zed Business.
You can use your own API keys or external agents without a Zed subscription.
See the following pages for specific aspects of our subscription offering:
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Models: Overview of the models offered by Zed's subscriptions.
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Plans and Usage: Outlines Zed's plans and how usage is measured.
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Billing: Billing policies and procedures, and how to update or view various billing settings.