50 pages for /effort.

effort Claude Developer Platform · path build-with-claude/effort choosing-a-model Claude Developer Platform · in the page about-claude/models/choosing-a-model …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) that trades intelligence for latency and cost within a single model. Tuning effort is often a better lever than switching… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) is a separate output-level control, not a thinking budget. Before (Claude Mythos Preview): <CodeGroup> ```ba… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …nging [`effort`](https://platform.claude.com/docs/en/build-with-claude/effort) or the thinking configuration between requests invalidates the cache from that point onward, and on some models the tools… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …medium [effort](https://platform.claude.com/docs/en/build-with-claude/effort) with an Opus advisor achieves intelligence comparable to Sonnet at default effort, at lower cost. For maximum intelligenc… extended-thinking Claude Developer Platform · in the page build-with-claude/extended-thinking …upports [effort](https://platform.claude.com/docs/en/build-with-claude/effort), effort shapes the overall response while `budget_tokens` sets thinking depth; set both. To tune the budget: * Match th… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …on="gauge" href="https://platform.claude.com/docs/en/build-with-claude/effort"> Control how many tokens Claude uses when responding with the effort parameter, trading off between response thorough… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …umented [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) value such as `xhigh`. There is no hidden level above the ones on that page. This example sets effort at the top level of… overview Claude Developer Platform · in the page build-with-claude/overview …| | [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) | Control how many tokens Claude uses when responding with the effort parameter, trading off… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …_config.effort`](https://platform.claude.com/docs/en/build-with-claude/effort) value always invalidates message blocks, with the same model-specific effect on tool and system caches as thinking parame… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …owering [effort](https://platform.claude.com/docs/en/build-with-claude/effort) does not reliably change visible response length. Prompt explicitly for conciseness instead. See [Prompting Claude Opus 5… prompting-claude-fable-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5 …higher [effort](https://platform.claude.com/docs/en/build-with-claude/effort) settings, especially when the task requires gathering context, building, and self-verifying, and autonomous runs can exte… prompting-claude-opus-4-8 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-4-8 …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) allows you to tune Claude's intelligence versus token spend, trading off capability for faster speed and lower costs. Sta… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …medium` [effort](https://platform.claude.com/docs/en/build-with-claude/effort) produce strong quality at a fraction of the tokens and latency of higher settings. Start with the default (`high`) and ad… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) allows you to tune Claude's intelligence versus token spend, trading off capability for faster speed and lower costs. On… task-budgets Claude Developer Platform · in the page build-with-claude/task-budgets …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort): effort controls how thoroughly Claude reasons about each step, while task budgets cap the total work Claude can do acros… thinking Claude Developer Platform · in the page build-with-claude/thinking …d"}` at [effort](https://platform.claude.com/docs/en/build-with-claude/effort) `high` or below. At `xhigh` or `max` effort, thinking cannot be turned off: requests that combine `thinking: {type: "disa… thinking-steering-and-cost Claude Developer Platform · in the page build-with-claude/thinking-steering-and-cost …is the [effort](https://platform.claude.com/docs/en/build-with-claude/effort) parameter, which acts as soft guidance for how willing Claude should be to think and how deeply; see [Effort levels](http… thinking-troubleshooting Claude Developer Platform · in the page build-with-claude/thinking-troubleshooting …ed"` at [effort](https://platform.claude.com/docs/en/build-with-claude/effort) `high` or below; combining it with effort `xhigh` or `max` returns a 400 error. This restriction applies to Claude Opus 5… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …h the [`effort`](https://platform.claude.com/docs/en/build-with-claude/effort) parameter rather than a token budget. Adaptive thinking is supported on Claude 4.6 and later models and Claude Mythos Pre… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …e [effort level](https://platform.claude.com/docs/en/build-with-claude/effort) for every request with `fixedEffort:`. It takes precedence over the framework's per-request reasoning hints. The framewor… api-and-data-retention Claude Developer Platform · in the page manage-claude/api-and-data-retention …| | [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `/v1/messages` (with `effort`) | <Eligible>Yes</E… agent-setup Claude Developer Platform · in the page managed-agents/agent-setup …[Effort levels](https://platform.claude.com/docs/en/build-with-claude/effort#effort-levels), and [Pin the inference geo](https://platform.claude.com/docs/en/managed-agents/agent-setup#pin-the-inferen… introducing-claude-fable-5-and-claude-mythos-5 Claude Developer Platform · in the page models/fable-5/introducing-claude-fable-5-and-claude-mythos-5 …use the [effort](https://platform.claude.com/docs/en/build-with-claude/effort) parameter. ### Raw thinking content is never returned The raw chain of thought is never returned on Claude Fable 5 and… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page models/fable-5/migration-guide …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) is a separate output-level control, not a thinking budget. Before (Claude Mythos Preview): <CodeGroup> ```ba… overview Claude Developer Platform · in the page models/fable-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Comparative latency… overview Claude Developer Platform · in the page models/haiku-4-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | Not supported | | Comparative latency… overview Claude Developer Platform · in the page models/mythos-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Comparative latency… overview Claude Developer Platform · in the page models/opus-4-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output… overview Claude Developer Platform · in the page models/opus-4-6/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output… overview Claude Developer Platform · in the page models/opus-4-7/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output… overview Claude Developer Platform · in the page models/opus-4-8/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output… Opus migration Claude Developer Platform · in the page models/opus-5/migration-guide …y at an [effort](https://platform.claude.com/docs/en/build-with-claude/effort) level of `high` or below. A request that combines `thinking: {type: "disabled"}` with effort `xhigh` or `max` returns a 4… overview Claude Developer Platform · in the page models/opus-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Comparative latency… whats-new-opus-5 Claude Developer Platform · in the page models/opus-5/whats-new-opus-5 …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) is the control for thinking depth. The wire value is unchanged; `thinking: {"type": "adaptive"}` remains valid and equiva… Models overview Claude Developer Platform · in the page models/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | `high`… overview Claude Developer Platform · in the page models/sonnet-4-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | Not supported | | Input → output… overview Claude Developer Platform · in the page models/sonnet-4-6/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output… Sonnet migration Claude Developer Platform · in the page models/sonnet-5/migration-guide …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) to control thinking depth. Claude Sonnet 5 supports the same set of features as Claude Sonnet 4.6, including the [1M toke… overview Claude Developer Platform · in the page models/sonnet-5/overview …[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Comparative latency… whats-new-sonnet-5 Claude Developer Platform · in the page models/sonnet-5/whats-new-sonnet-5 …ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) instead. <CodeGroup exclude="shell"> ```python Python # Not supported on Claude Sonnet 5 (returns 400) thinking =… overview Claude Developer Platform · in the page release-notes/overview …ges). * [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) is the primary control for steering Claude Opus 5: the model supports the full ladder (`low`, `medium`, `high`, `xhigh`,… Use Claude Code with a screen reader Claude Code CLI · in the page accessibility …Claude Code announces the valid range and lets you try again. The [`/effort`](/docs/en/model-config#adjust-effort-level) selector, which is a slider outside screen reader mode, becomes the same kind… How the agent loop works Claude Code CLI · in the page agent-sdk/agent-loop …er. See [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) for which models support it. | Level | Behavior | Good for… Orchestrate teams of Claude Code sessions Claude Code CLI · in the page agent-teams …he lead; earlier versions applied it to the lead with no indication. `/effort` still applies to the viewed teammate's later turns, because teammates follow the lead's [effort level](/docs/en/model-con… Manage multiple agents with agent view Claude Code CLI · in the page agent-view …restart. A model or effort you changed mid-session with `/model` or `/effort` is kept too. If the session took its effort from the [`effortLevel` setting](/docs/en/settings-reference#effortlevel) ra… Claude Code changelog Claude Code CLI · in the page changelog …se subscriptions to Opus 5, matching other premium plans * Changed `/effort` to save your default effort level per model, so each model keeps its own setting when you switch * Changed analytics to… Use Claude Code on the web Claude Code CLI · in the page claude-code-on-the-web …in the terminal behave differently in cloud sessions: * **`/model`, `/effort`, `/fast`, `/color`, and `/rename`**: pass the value as an argument, for example `/model sonnet`, instead of opening the t… Commands Claude Code CLI · in the page commands …`/plan` switches into plan mode before a large change. `/model` and `/effort` adjust which model you're using and how much reasoning it applies. When the conversation gets long, `/context` shows what… Manage costs effectively Claude Code CLI · in the page costs …g the [effort level](/docs/en/model-config#adjust-effort-level) with `/effort` or in `/model`, disabling thinking in `/config`, or, on models with a [fixed thinking budget](/docs/en/model-config#adapt…