249 pages for sonnet.

Test plugins with evals Claude Code CLI · in the page plugin-evals …seline` graders is a small fast model by default. Pass `--judge-model sonnet` or a full model ID to use a stronger one for nuanced rubrics. #### Choose graders that give a stable signal An `llm` gra… Add components to a plugin Claude Code CLI · in the page plugins/components …sues. Use after edits to authentication or input handling. model: sonnet --- You are a security reviewer. Read the changed files and report injection, authentication, and secrets-handling… How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …anging effort mid-session recomputes the entire request. On Opus 5.5, Sonnet 5.5, and Fable 5.1 with an API key or a Claude subscription, the cache stays intact by default. See [Changing effort level]… Continue local sessions from any device with Remote Control Claude Code CLI · in the page remote-control …r`, and `/rename`: pass the value as an argument, for example `/model sonnet` or `/effort high`. From mobile and web, `/model` and `/effort` take the argument in place of the terminal picker or slider… Claude Code settings Claude Code CLI · in the page settings …ocs/en/advisor). Accepts the model aliases `"fable"`, `"opus"`, and `"sonnet"`, or a full model ID. `"fable"` requires [Fable 5 access](/docs/en/advisor#choose-an-advisor-model). Written automatically… Example settings files Claude Code CLI · in the page settings-example …son ~/.claude/settings.json theme={null} { "model": "claude-sonnet-5", "modelSettings": { "claude-sonnet-5": { "effortLevel": "xhigh" } }, "editorMode": "vim",… All settings Claude Code CLI · in the page settings-reference …pes) * **Type**: string, one of the aliases `"fable"`, `"opus"`, or `"sonnet"`, which resolve to Claude Code's current default version of that model family, or a full model ID such as `"claude-opus-5-… Create custom subagents Claude Code CLI · in the page sub-agents …ion on a higher tier runs Explore on Opus, and a main conversation on Sonnet or Haiku runs Explore on that same model. On any other provider, such as [Amazon Bedrock, Google Cloud's Agent Platform, Mi… Enterprise deployment overview Claude Code CLI · in the page third-party-integrations …AULT_FABLE_MODEL`, `ANTHROPIC_DEFAULT_OPUS_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, and `ANTHROPIC_DEFAULT_HAIKU_MODEL`. Without pinning, model aliases resolve to Claude Code's built-in default for t… Tools reference Claude Code CLI · in the page tools-reference …or later. * **Model**: the session's model is Claude Opus 4.8, Claude Sonnet 5, Claude Fable 5, or a later version of one of those families. * **Surface**: an interactive terminal session, including a… Week 17 · April 20–24, 2026 Claude Code CLI · in the page whats-new/2026-w17 …t-level">effort level</a> for Pro and Max subscribers on Opus 4.6 and Sonnet 4.6 is now <code>high</code> (was <code>medium</code>)</div> <div>Native macOS and Linux builds replace the <code>Glob<… Week 21 · May 18–22, 2026 Claude Code CLI · in the page whats-new/2026-w21 # Week 21 · May 18–22, 2026 > Use auto mode on the Pro plan and with Sonnet 4.6, see which skills, subagents, and MCP servers drive your plan limits in /usage, and review diffs with the new /code-rev… Week 27 · June 29 – July 3, 2026 Claude Code CLI · in the page whats-new/2026-w27 # Week 27 · June 29 – July 3, 2026 > Claude Sonnet 5 becomes the default model, Claude in Chrome reaches general availability, subagents run in the background by default, Claude Desktop arrives on Li… Week 33 · August 10–14, 2026 Claude Code CLI · in the page whats-new/2026-w33 …ls-reference#task-tool-availability">no longer available on Opus 4.8, Sonnet 5, Fable 5, Mythos 5, and later models in those families</a>; set <code>CLAUDE\_CODE\_ENABLE\_TODO\_TOOLS=1</code> to re-en… What's new Claude Code CLI · in the page whats-new/index …ion="June 29 – July 3, 2026" tags={["v2.1.195–v2.1.201"]}> **Claude Sonnet 5**: the new default model for Pro, Team Standard, and Enterprise subscription seats, with top-tier coding and tool use at… Claude Science changelog Claude Documentation · in the page claude-science/changelog …bel="0.1.54" description="September 28, 2026"> * Sessions on Claude Sonnet 5.5 now default to Extra high reasoning effort * Windows: after an update, the app window reopens on the new version by i… Customize Claude Tag Claude Documentation · in the page claude-tag/admins/customize …The options are the models your organization allows, such as Opus and Sonnet models, regardless of any individual member's own model access. A scope without its own setting inherits from its parent, a… Choose the model Claude Tag uses Claude Documentation · in the page claude-tag/users/models …channel, not just the thread. ```text wrap theme={null} @Claude use Sonnet for this thread, and make it the default model for this channel. ``` Claude sets the channel's default model. New threads… Changelog Claude Documentation · in the page cowork/changelog …e Code version: 2.1.284. **General** * Added support for Claude Sonnet 5.5. * Fixed sessions failing on every message with an API error caused by certain web search results or earlier extended… Monitoring Claude Documentation · in the page cowork/monitoring …ering events within a session | | `model` | Model used (e.g., `claude-sonnet-5`) | | `cost_usd` | Estimated cost in USD | | `duration_ms` | Request duration in milliseconds | | `input_tokens` | Number… Use Claude for Outlook Claude Documentation · in the page office-agents/outlook …Claude account, you can choose between Claude Opus 4.7, Opus 4.6, and Sonnet 4.6. When you connect through a third-party platform such as Vertex AI, Azure AI Foundry, or an LLM gateway, Opus 4.7 is th… Use Claude for M365 with third-party platforms Claude Documentation · in the page office-agents/third-party-platforms …third-party platforms supports Claude Opus 4.7 and later and Claude Sonnet 5 and later. Earlier model generations are not available on the Outlook surface. </Note> ### Deploy to Microsoft 365 Af… Deploy with Enterprise Admin Console Claude Documentation · in the page third-party/claude-desktop/admin-console …tifier can be a resource path that includes your project ID | `claude-sonnet-4-5` | | The date and time of the counted activity | `2026-08-27T21:00:01Z` | | A random identifier for the conversation |… Deploy Claude Desktop on 3P with Amazon Bedrock Claude Documentation · in the page third-party/claude-desktop/bedrock …80}</string> <key>inferenceModels</key> <string>["us.anthropic.claude-sonnet-5"]</string> ``` [`inferenceIdpOidc`](/docs/third-party/claude-desktop/configuration#inferenceidpoidc) takes the same fiel… Deploy with a bootstrap server Claude Documentation · in the page third-party/claude-desktop/bootstrap …}; const PROFILES = { default: { ...BASE, inferenceModels: ["claude-sonnet-5"] }, power: { ...BASE, inferenceModels: ["claude-opus-5", "claude-sonnet-5"], coworkEgressAllowedHosts: ["p… Configuration reference Claude Documentation · in the page third-party/claude-desktop/configuration …| | string\[] (JSON) | JSON array **encoded as a string** | `["claude-sonnet-5","claude-opus-5"]` | | object (JSON) | JSON object mapping name to value, as a string | `{"X-Org-Id":"team1"}` | | object… Deploy Claude Desktop on 3P with an LLM gateway Claude Documentation · in the page third-party/claude-desktop/gateway …s by returning an `anthropic_family_tier` field (a tier name such as `sonnet` or `opus`) on that model object in its `/v1/models` response, optionally with `is_family_default: true` when several model… Models and effort levels Claude Documentation · in the page third-party/claude-desktop/models …he exact model ID your provider expects, such as `us.anthropic.claude-sonnet-5` on Amazon Bedrock or `claude-sonnet-5` on Google Cloud's Agent Platform. The first entry is the default model. New Chat… Deploy Claude Desktop on 3P with Google Cloud's Agent Platform Claude Documentation · in the page third-party/claude-desktop/vertex …*Model list** entry using the publisher model ID, for example `claude-sonnet-5`. Then click **Export** to produce a `.mobileconfig` (macOS) or `.reg` (Windows) file for your MDM. See [Deploy with MDM… Build an MCP client Model Context Protocol · in the page docs/2024-11-05/develop/build-client …response = self.anthropic.messages.create( model="claude-sonnet-4-20250514", max_tokens=1000, messages=messages, tools=available_tools )… Understanding MCP clients Model Context Protocol · in the page docs/2024-11-05/learn/client-concepts …r" } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… Build an MCP client Model Context Protocol · in the page docs/2025-03-26/develop/build-client …response = self.anthropic.messages.create( model="claude-sonnet-4-20250514", max_tokens=1000, messages=messages, tools=available_tools )… Understanding MCP clients Model Context Protocol · in the page docs/2025-03-26/learn/client-concepts …r" } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… Build an MCP client Model Context Protocol · in the page docs/2025-06-18/develop/build-client …response = self.anthropic.messages.create( model="claude-sonnet-4-20250514", max_tokens=1000, messages=messages, tools=available_tools )… Understanding MCP clients Model Context Protocol · in the page docs/2025-06-18/learn/client-concepts …r" } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… Build an MCP client Model Context Protocol · in the page docs/2025-11-25/develop/build-client …response = self.anthropic.messages.create( model="claude-sonnet-4-20250514", max_tokens=1000, messages=messages, tools=available_tools )… Understanding MCP clients Model Context Protocol · in the page docs/2025-11-25/learn/client-concepts …r" } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… Understanding MCP clients Model Context Protocol · in the page docs/2026-07-28/learn/client-concepts …} } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …} } ], modelPreferences: { hints: [{ name: "claude-sonnet-4-20250514" // Suggested model }], costPriority: 0.3, // Less concerned about API cost speedPriority: 0.2… SEP-2322: Multi Round-Trip Requests Model Context Protocol · in the page seps/2322-MRTR …nces": { "hints": [ { "name": "claude-3-sonnet" } ], "intelligencePriority": 0.8, "speedPriority": 0.5 }, "systemPrompt": "Y… Sampling Model Context Protocol · in the page specification/2024-11-05/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "intelligencePriority": 0.8, "speedPriority": 0.5 }, "systemPrompt": "You are a hel… Sampling Model Context Protocol · in the page specification/2025-03-26/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "intelligencePriority": 0.8, "speedPriority": 0.5 }, "systemPrompt": "You are a hel… Sampling Model Context Protocol · in the page specification/2025-06-18/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "intelligencePriority": 0.8, "speedPriority": 0.5 }, "systemPrompt": "You are a hel… Schema Reference Model Context Protocol · in the page specification/2025-06-18/schema …substring of a model name; for example:</p> <ul> <li><code>claude-3-5-sonnet</code> should match <code>claude-3-5-sonnet-20241022</code></li> <li><code>sonnet</code> should match <code>claude-3-5-sonn… Sampling Model Context Protocol · in the page specification/2025-11-25/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "intelligencePriority": 0.8, "speedPriority": 0.5 }, "systemPrompt": "You are a hel… Multi Round-Trip Requests Model Context Protocol · in the page specification/2026-07-28/basic/patterns/mrtr …ext": "The capital of France is Paris." }, "model": "claude-3-sonnet-20240307", "stopReason": "endTurn" } } ``` #### InputRequiredResult An [`InputRequiredResult`](/specification/2026-… Sampling Model Context Protocol · in the page specification/2026-07-28/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "costPriority": 0.3, "intelligencePriority": 0.8, "speedPriority": 0.5 }, "te… Multi Round-Trip Requests Model Context Protocol · in the page specification/draft/basic/patterns/mrtr …ext": "The capital of France is Paris." }, "model": "claude-3-sonnet-20240307", "stopReason": "endTurn" } } ``` #### InputRequiredResult An [`InputRequiredResult`](/specification/draft… Sampling Model Context Protocol · in the page specification/draft/client/sampling …references": { "hints": [ { "name": "claude-3-sonnet" } ], "costPriority": 0.3, "intelligencePriority": 0.8, "speedPriority": 0.5 }, "te…