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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Home Docs Claude Code CLI 22 Sep 2026
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Use Claude Code in the cloud changed

claude-code-on-the-web

Nearest release: v2.1.280, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 22 Sep 2026 16:28 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 22 Sep 2026 16:37 UTC.

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219219Cloud sessions support [built-in commands](/docs/en/commands) that produce text output. Commands that only run in the terminal interface, such as `/plugin` or `/resume`, aren't available. Commands that open a picker or panel in the terminal behave differently in cloud sessions:
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221* **`/model`, `/effort`, `/color`, and `/rename`**: pass the value as an argument, for example `/model sonnet`, instead of opening the terminal picker or slider. The argument forms require Claude Code v2.1.205 or later in the session's environment and follow each command's [availability notes](/docs/en/commands#all-commands): `/effort` reports `Not applied` while a model's [launch-default effort hold](/docs/en/model-config#adjust-effort-level) is in force.
221* **`/model`, `/effort`, `/color`, and `/rename`**: pass the value as an argument, for example `/model sonnet`, instead of opening the terminal picker or slider. The argument forms require Claude Code v2.1.205 or later in the session's environment and follow each command's [availability notes](/docs/en/commands#all-commands).
222222* **`/fast`**: toggles [fast mode](/docs/en/fast-mode#use-fast-mode-in-cloud-sessions) for the session when fast mode is [available on your account](/docs/en/fast-mode#requirements). Requires Claude Code v2.1.271 or later in the session's environment.
223223* **`/config`**: in your browser at claude.ai/code, opens the Claude Code section of your settings instead of setting a value, and text after the command, including `key=value`, is ignored. To change a setting for a cloud session, set an [environment variable](/docs/en/cloud-environments#set-environment-variables) on the environment, or in a session with one repository, commit the key to that repository's `.claude/settings.json`. [Settings in cloud sessions](/docs/en/settings#settings-in-cloud-sessions) lists what each session reads.
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