4 pages for claude_code_disable_fast_mode.
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Agent SDK reference - TypeScript
Claude Code CLI · in the page
agent-sdk/typescript
…ses a provider other than the Anthropic API | | `disabled_by_env` | [`CLAUDE_CODE_DISABLE_FAST_MODE`](/docs/en/env-vars) is set | | `model_not_allowed` | The fast mode Opus model isn't in the organiza…
Environment variables
Claude Code CLI · in the page
env-vars
…| | `CLAUDE_CODE_DISABLE_FAST_MODE` | Set to `1` to disable [fast mode](/docs/en/fast-mode)…
Speed up responses with fast mode
Claude Code CLI · in the page
fast-mode
…claude-code) Another option to disable fast mode entirely is to set `CLAUDE_CODE_DISABLE_FAST_MODE=1`. See [Environment variables](/docs/en/env-vars.md). ### Use fast mode behind proxies and LLM gat…
All settings
Claude Code CLI · in the page
settings-reference
…*Default**: unset, so fast mode is off * **Per-session overrides**: [`CLAUDE_CODE_DISABLE_FAST_MODE`](/docs/en/env-vars) turns fast mode off for one session, and this key can't turn it back on ```jso…