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HomeDocsClaude Code CLI 1 Oct 2026
One change · claude-code

Choose a permission mode changedpermission-modes

Nearest release: v2.1.286, published 10 hours 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 1 Oct 2026 03:28 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 1 Oct 2026 03:37 UTC.

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7878| How you run Claude Code | Built-in starting permission mode |
7979| :- | :- |
8080| Any settings file sets `disableAutoMode` to `"disable"` | `default` |
81| `claude -p`, or the [Python Agent SDK](/docs/en/agent-sdk/python#claudeagentoptions) without `permission_mode` | `default` in sessions that [fetch feature flags](/docs/en/env-vars#features-that-need-feature-flag-fetching). In sessions that don't, such as on a third-party provider or with telemetry off, `auto` with Claude Code v2.1.285 or later and `default` on earlier versions |
81| `claude -p` or the [Agent SDK](/docs/en/agent-sdk/permissions#permission-modes) | `default` in sessions that [fetch feature flags](/docs/en/env-vars#features-that-need-feature-flag-fetching). In sessions that don't, such as on a third-party provider or with telemetry off, `auto` with Claude Code v2.1.285 or later and `default` on earlier versions. A session in an organization whose policy withholds the `auto` default starts in `default` instead |
8282| In a terminal or through the [VS Code extension](/docs/en/vs-code) | `auto` with Claude Code v2.1.283 or later; on earlier versions, `auto` on Pro, Max, or Team plans in sessions that [fetch feature flags](/docs/en/env-vars#features-that-need-feature-flag-fetching), and `default` otherwise |
8383 
8484In your [first session after an install or upgrade](/docs/en/env-vars#first-session-after-an-install-or-upgrade), Claude Code can choose the starting permission mode before its feature flags arrive. That session can start in a different permission mode than the table gives, and your next session matches the table.
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522522 <Accordion title="Cost and latency">
523523 The classifier runs on Claude Sonnet 5 by default rather than on your `/model` selection. A classifier model that Anthropic configures server-side takes precedence over that default. When your session's model is Claude Sonnet 4.6, or when [`availableModels`](/docs/en/model-config#restrict-model-selection) excludes Sonnet 5, the classifier runs on the session's model instead, or on an Opus model when the session runs on a [Fable model](/docs/en/model-config#work-with-fable); on providers other than the Anthropic API, that Opus fallback is the provider's default Opus model.
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525 The session's first auto-mode request validates the Sonnet 5 default: if the request succeeds, Sonnet 5 stays the session's classifier model, and if it fails because the model isn't available, the session uses the fallback instead. After that validation settles, the classifier's model doesn't change for the session.
525 The session's first auto-mode request validates the Sonnet 5 default: if the request succeeds, Sonnet 5 stays the session's classifier model, and if it fails because the model isn't available, the session uses the fallback instead.
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527527 On Enterprise plans and on accounts that use the Claude API, [Claude Platform on AWS](/docs/en/claude-platform-on-aws), Amazon Bedrock, Google Cloud's Agent Platform, or Microsoft Foundry, classifier calls count toward your token usage. Each check sends a portion of the transcript plus the pending action, adding a round-trip before execution. Reads and working-directory edits outside protected paths skip the classifier, so the overhead comes mainly from shell commands and network operations. Where the server reviews the actions as part of the session's model requests, there are no separate classifier calls to count; see [Server-side classifier review](#server-side-classifier-review).
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