90 pages for /effort.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
overview
Claude Developer Platform · in the page
models/opus-5-5/overview
…[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `medium` | | Comparative latency…
whats-new-opus-5-5
Claude Developer Platform · in the page
models/opus-5-5/whats-new-opus-5-5
…ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) controls thinking depth; its default on this model is `medium`. For the context window, output limits, knowledge cutoff,…
overview
Claude Developer Platform · in the page
models/opus-5/overview
…[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output…
Models overview
Claude Developer Platform · in the page
models/overview
…[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `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…
migration-guide
Claude Developer Platform · in the page
models/sonnet-5-5/migration-guide
…aude Sonnet 5.5](https://platform.claude.com/docs/en/build-with-claude/effort#recommended-effort-levels-for-claude-sonnet-5-5). Then re-evaluate model-specific prompt instructions against [Prompting C…
overview
Claude Developer Platform · in the page
models/sonnet-5-5/overview
…[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Comparative latency…
whats-new-sonnet-5-5
Claude Developer Platform · in the page
models/sonnet-5-5/whats-new-sonnet-5-5
…ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort) controls thinking depth. Its default on the Claude API is `high`. The tokenizer is the same as Claude Sonnet 5's, so the…
overview
Claude Developer Platform · in the page
models/sonnet-5/overview
…[Default effort](https://platform.claude.com/docs/en/build-with-claude/effort) | `high` | | Input → output…
overview
Claude Developer Platform · in the page
release-notes/overview
…ffort parameter](https://platform.claude.com/docs/en/build-with-claude/effort). It's available on the Claude API, [Claude in Amazon Bedrock](https://platform.claude.com/docs/en/build-with-claude/claud…
reduce-latency
Claude Developer Platform · in the page
test-and-evaluate/strengthen-guardrails/reduce-latency
…igence. [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) is its main control for speed and cost. See [Use effort to control thinking](https://platform.claude.com/docs/en/build-wi…
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 | | :- | :- | :- | | `"low"` | Minimal reasoning, fast respon…
Manage multiple agents with agent view
Claude Code CLI · in the page
agent-view
…session and on what you send: * A session that's working: `/model`, `/effort`, `/rename`, and `/usage` run right away. Other replies join the session's [message queue](/docs/en/interactive-mode.md#qu…
Claude Code changelog
Claude Code CLI · in the page
changelog
…` (a 2.1.304 regression): Claude Code now retries without it * Fixed `/effort` and `/autocompact` settings not applying when the model name differed from a `modelOverrides` value by letter case or a `…
Use Claude Code in the cloud
Claude Code CLI · in the page
claude-code-on-the-web
…in the terminal behave differently in cloud sessions: * **`/model`, `/effort`, `/color`, and `/rename`**: pass the value as an argument, for example `/model sonnet`, instead of opening the terminal p…
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
…r later. 1. After any turn in progress ends, Claude Code runs each [`/effort`](/docs/en/model-config#adjust-effort-level) command shown in a row without `run`. 2. Claude then gets one prompt with a s…
Environment variables
Claude Code CLI · in the page
env-vars
…IC_MODEL`, while `CLAUDE_CODE_EFFORT_LEVEL` overrides `--effort` and `/effort`. When a variable interacts with another configuration source, its row in the [Variables](#variables) list states the prec…
Run Claude Code programmatically
Claude Code CLI · in the page
headless
…erminal interface, such as `/login`, aren't available. > * `/model`, `/effort`, `/fast`, `/color`, and `/rename` accept the value as an argument, for example `/model sonnet`, and `/mcp` with no argume…
Interactive mode
Claude Code CLI · in the page
interactive-mode
…soon as you send them instead of queueing them, among them `/model`, `/effort`, and `/fast`. Each of the three changes a setting: the model, the effort level, or fast mode. Whether Claude Code applies…
Customize keyboard shortcuts
Claude Code CLI · in the page
keybindings
…del picker effort level | | `EffortSlider` | Effort slider opened by `/effort` | | `Select` | Generic select/list components | | `Plugin` | Plugin dialog (browse, discover, manage) | | `AbovePrompt` |…
Claude Code gateway compatibility guide
Claude Code CLI · in the page
llm-gateway-protocol
…es) | | [Effort](https://platform.claude.com/docs/en/build-with-claude/effort) and [structured outputs](https://platform.claude.com/docs/en/build-with-claude/structured-outputs) | The `output_config`…
Model configuration
Claude Code CLI · in the page
model-config
…ode v2.1.195 or later. * Levels above the cap aren't offered in the `/effort` picker, and naming a higher level with `--effort` or `/effort` runs at the cap instead. If you start a plain-text `--prin…
Continue local sessions from any device with Remote Control
Claude Code CLI · in the page
remote-control
…n/model-config.md#adjust-effort-level) from a connected device, with `/effort` or the device's effort control, Claude Code applies it to the session on your machine. If you pinned a level with `CLAUDE…
Claude Code settings
Claude Code CLI · in the page
settings
…medium"`, `"high"`, or `"xhigh"`. Written automatically when you run `/effort` with one of those values. `--effort` and [`CLAUDE_CODE_EFFORT_LEVEL`](/docs/en/env-vars) override this for one session. S…
Example settings files
Claude Code CLI · in the page
settings-example
…": "claude-sonnet-5", // Run Sonnet 5 above its default high level; /effort saves a level per model, and --effort sets one for a single session "modelSettings": { "claude-sonnet-5": { "effortL…
All settings
Claude Code CLI · in the page
settings-reference
…higher levels reason more deeply on complex problems. When you run `/effort low`, `medium`, `high`, or `xhigh` in an interactive session on your machine, Claude Code saves the level for the active m…
Customize your status line
Claude Code CLI · in the page
statusline
…`, or `max`). Reflects the live session value, including mid-session `/effort` changes. Absent when the current model does not support the effort parameter | | `thinking.enabled` | Whether extended th…
Week 15 · April 6–10, 2026
Claude Code CLI · in the page
whats-new/2026-w15
…latform, Microsoft Foundry, Team, and Enterprise users (control with `/effort`)`/cost` shows a per-model and cache-hit breakdown for subscription users`/release-notes` is now an interactive version pi…
Week 16 · April 13–17, 2026
Claude Code CLI · in the page
whats-new/2026-w16
…ntic tasks, applied as the default the first time you switch to 4.7. `/effort` now opens an interactive arrow-key slider when you call it without arguments, so you can dial intelligence against speed…
Week 22 · May 25–29, 2026
Claude Code CLI · in the page
whats-new/2026-w22
…ay-as-you-go, and the Anthropic API. It defaults to high effort; use `/effort xhigh` for harder tasks. Requires v2.1.154 or later. <video autoPlay muted loop playsInline src="https://mintcdn.com/clau…
Week 23 · June 1–5, 2026
Claude Code CLI · in the page
whats-new/2026-w23
…builds with embedded search, instead of silently ignoring those names`/effort` now confirms when your chosen level will persist as the default for new sessions`OTEL_RESOURCE_ATTRIBUTES` values are now…
Week 35 · August 24–28, 2026
Claude Code CLI · in the page
whats-new/2026-w35
…scheduled-tasks.md#let-claude-choose-the-interval), and `/model` and `/effort` apply immediately instead of after the turn endsThe native installer and auto-updater download a zstd-compressed build, a…
Week 36 · August 31 – September 4, 2026
Claude Code CLI · in the page
whats-new/2026-w36
…to every user, in addition to the servers that users add on their own`/effort` and the `/model` picker now [save a separate effort level for each model](/docs/en/model-config.md#adjust-effort-level);…
What's new
Claude Code CLI · in the page
whats-new/index
…-you-go, and Anthropic API accounts, with high effort by default and `/effort xhigh` for the hardest tasks. Also this week: **dynamic workflows** orchestrate dozens to hundreds of subagents from a sc…
Orchestrate subagents at scale with dynamic workflows
Claude Code CLI · in the page
workflows
…laude decide with ultracode](#let-claude-decide-with-ultracode): set `/effort ultracode` and Claude plans a workflow for every substantive task in the session. You can also run a workflow command tha…
Configuration reference
Claude Documentation · in the page
third-party/claude-desktop/configuration
…to fill in each picker entry's display name, description, and thinking/effort options in the Chat, Cowork, and Code tabs. It never changes which models are offered, their order, or the default model (…
Models and effort levels
Claude Documentation · in the page
third-party/claude-desktop/models
…gs, such as a `CLAUDE_CODE_EFFORT_LEVEL` environment variable or the `/effort` command. If a model's recommended level is above its cap, the model starts at the cap. If Claude Desktop doesn't recogniz…