About the idle timeout
A codespace will stop running after a period of inactivity. By default this period is 30 minutes, but you can specify a longer or shorter default timeout period in your personal settings on GitHub. The updated setting will apply to any new codespaces you create, or to existing codespaces the next time you start them. You can also specify a timeout when you use GitHub CLI to create a codespace.
Warning: Codespaces compute usage is billed for the duration for which a codespace is active. If you're not using a codespace but it remains running, and hasn't yet timed out, you are billed for the total time that the codespace was active, irrespective of whether you were using it. For more information, see "About billing for GitHub Codespaces."
Timeout periods for organization-owned repositories
Organizations can set a maximum idle timeout policy for codespaces created from some or all of their repositories. If an organization policy sets a maximum timeout which is less than the default timeout you have set, the organization's timeout will be used instead of your setting. You will be notified of this after the codespace is created. For more information, see "Restricting the idle timeout period."
Setting your default timeout period
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In the upper-right corner of any page, click your profile photo, then click Settings.
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In the "Code, planning, and automation" section of the sidebar, click Codespaces.
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Under "Default idle timeout", enter the time that you want, then click Save. The time must be between 5 minutes and 240 minutes (4 hours).
Setting the timeout period for a codespace
To learn more about GitHub CLI, see "About GitHub CLI."
To set the timeout period when you create a codespace, use the idle-timeout argument with the codespace create subcommand. Specify the time in minutes, followed by m. The time must be between 5 minutes and 240 minutes (4 hours).
gh codespace create --idle-timeout 90m
If you don't specify a timeout period when you create a codespace, then the default timeout period will be used. For information about setting a default timeout period, click the "Web browser" tab on this page. You can't currently specify a default timeout period through GitHub CLI.
Setting a timeout period
You can set your default timeout period in your web browser, on GitHub.com. Alternatively, if you use GitHub CLI to create a codespace you can set a timeout period for that particular codespace. For more information, click the appropriate tab above.