16 pages for effortlevel.

Agents Claude Developer Platform · in the page api/beta/agents …ting it leaves the stored value unchanged. - `BetaManagedAgentsEffortLevel = "low" or "medium" or "high" or 2 more` How hard Claude works on each turn. Higher levels favor reasoning de… Create Agent Claude Developer Platform · in the page api/beta/agents/create …ting it leaves the stored value unchanged. - `BetaManagedAgentsEffortLevel = "low" or "medium" or "high" or 2 more` How hard Claude works on each turn. Higher levels favor reasoning de… Update Agent Claude Developer Platform · in the page api/beta/agents/update …ting it leaves the stored value unchanged. - `BetaManagedAgentsEffortLevel = "low" or "medium" or "high" or 2 more` How hard Claude works on each turn. Higher levels favor reasoning de… Sessions Claude Developer Platform · in the page api/beta/sessions …it leaves the stored value unchanged. - `BetaManagedAgentsEffortLevel = "low" or "medium" or "high" or 2 more` How hard Claude works on each turn. Higher levels favor reasonin… Create Session Claude Developer Platform · in the page api/beta/sessions/create …it leaves the stored value unchanged. - `BetaManagedAgentsEffortLevel = "low" or "medium" or "high" or 2 more` How hard Claude works on each turn. Higher levels favor reasonin… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …"claude-experimental-x", capabilities: .init(samplingParams: false, effortLevels: [.low, .high]) ) ClaudeLanguageModel(name: model, auth: auth) ``` ### Effort Pin a Claude [effort level](https://p… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …inking instead thinking: ThinkingConfig | None = None effort: EffortLevel | None = None enable_file_checkpointing: bool = False session_store: SessionStore | None = None session_st… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …applyFlagSettings(settings: { [K in keyof Settings]?: K extends 'effortLevel' ? 'low' | 'medium' | 'high' | 'xhigh' | 'max' | null : Settings[K] | null; }): Promise<void>; initial… Manage multiple agents with agent view Claude Code CLI · in the page agent-view …or `/effort` is kept too. If the session took its effort from the [`effortLevel` setting](/docs/en/settings-reference#effortlevel) rather than from `--effort` or `/effort`, Claude Code reads the set… Claude Code changelog Claude Code CLI · in the page changelog …" instead of the actual error * Fixed background sessions ignoring `effortLevel` changes in settings.json when forked through the daemon * Fixed attached background sessions ignoring `CLAUDE_CODE_… CLI reference Claude Code CLI · in the page cli-reference …urned on, and requires Claude Code v2.1.203 or later. Overrides the [`effortLevel`](/docs/en/settings-reference#effortlevel) setting for this session and does not persist… Environment variables Claude Code CLI · in the page env-vars …levels depend on the model. Takes precedence over `/effort` and the `effortLevel` setting. See [Adjust effort level](/docs/en/model-config#adjust-effort-level)… Model configuration Claude Code CLI · in the page model-config …docs/en/agent-sdk/typescript#applyflagsettings) request also accepts `effortLevel: "ultracode"` Passing `ultracode` to the `--effort` flag or the Agent SDK `effortLevel` value requires Claude Code v2… Claude Code settings Claude Code CLI · in the page settings …| | `effortLevel` | Persist the [effort level](/docs/en/model-config#adjust-effort-level) across sessions. Accepts… Example settings files Claude Code CLI · in the page settings-example …ings.json theme={null} { "model": "claude-sonnet-5", "effortLevel": "xhigh", "editorMode": "vim", "theme": "light-daltonized", "statusLine": { "type": "comman… Claude Code settings reference Claude Code CLI · in the page settings-reference …| Interface and terminal | Any file | | [`effortLevel`](#effortlevel) | Save the [`/effort` level](/docs/e…