471 pages for /model.

prompting-claude-fable-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5 …availability, see [Claude Fable 5](https://platform.claude.com/docs/en/models/fable-5/overview). For techniques that apply across all current Claude models, see [Prompting best practices](https://plat… Delivering work Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-fable-5-1 …e [What's new in Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/whats-new-fable-5-1). For techniques that apply across Claude models, see [Prompting best practices](https://pla… prompting-claude-haiku-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-haiku-5-5 …e [What's new in Claude Haiku 5.5](https://platform.claude.com/docs/en/models/haiku-5-5/whats-new-haiku-5-5). For techniques that apply across all current Claude models, see [Prompting best practices]… prompting-claude-opus-4-8 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-4-8 …ude Opus 5.5 from Claude Opus 4.8](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#migrating-from-claude-opus-4-8). For techniques that apply across all current Claude models, see… prompting-claude-opus-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5 …pecifications, see [Claude Opus 5](https://platform.claude.com/docs/en/models/opus-5/overview). For techniques that apply across all current Claude models, see [Prompting best practices](https://platf… prompting-claude-opus-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-opus-5-5 …ee [What's new in Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/whats-new-opus-5-5). For techniques that apply across all current Claude models, see [Prompting best practices](h… prompting-claude-sonnet-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5 …cifications, see [Claude Sonnet 5](https://platform.claude.com/docs/en/models/sonnet-5/overview). For techniques that apply across all current Claude models, see [Prompting best practices](https://pla… prompting-claude-sonnet-5-5 Claude Developer Platform · in the page build-with-claude/prompt-engineering/prompting-claude-sonnet-5-5 …[What's new in Claude Sonnet 5.5](https://platform.claude.com/docs/en/models/sonnet-5-5/whats-new-sonnet-5-5). For techniques that apply across all current Claude models, see [Prompting best practice… refusals-and-fallback Claude Developer Platform · in the page build-with-claude/refusals-and-fallback …each model on the [Models API](https://platform.claude.com/docs/en/api/models/list). To see which model served a refused request, check the response's top-level `model` field and look for a `fallback_… search-results Claude Developer Platform · in the page build-with-claude/search-results …ur documents. All [active models](https://platform.claude.com/docs/en/models/overview) support search results with citations, with the exception of Claude Haiku 3. No beta header is required: search… thinking Claude Developer Platform · in the page build-with-claude/thinking …e request, with the [model string](https://platform.claude.com/docs/en/models/overview) swapped, turns it on there. The following examples set `display: "summarized"` so the thinking text is visible,… thinking-troubleshooting Claude Developer Platform · in the page build-with-claude/thinking-troubleshooting …[Model deprecations](https://platform.claude.com/docs/en/about-claude/model-deprecations) for their availability. Claude Fable 5.1, Claude Mythos 5.1, Claude Fable 5, and Claude Mythos 5 are not avai… token-counting Claude Developer Platform · in the page build-with-claude/token-counting …ported models All [active models](https://platform.claude.com/docs/en/models/overview) support token counting. <Note> Claude 4.7 and later models and Claude Mythos Preview use a newer tokenizer. T… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …ng changes in the migration guide](https://platform.claude.com/docs/en/models/opus-5-5/migration-guide#opus-46-breaking-changes). </Note> <CodeGroup> ```bash cURL #!/bin/sh curl https://api.ant… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …250929`, [deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations), legacy manual thinking only) * Claude Haiku 4.5 (`claude-haiku-4-5-20251001`, legacy manual thinking only)… apple-foundation-models Claude Developer Platform · in the page cli-sdks-libraries/libraries/apple-foundation-models …nt list, and the [Models overview](https://platform.claude.com/docs/en/models/overview) to compare models. ### Capabilities Each `ClaudeModel` declares what it accepts: sampling parameters, effort l… openai-sdk Claude Developer Platform · in the page cli-sdks-libraries/libraries/openai-sdk …model name to use a [Claude model](https://platform.claude.com/docs/en/models/overview). 3. Review the following sections for what features are supported. ### Quick start example <CodeGroup exclude… For Amazon Bedrock support Claude Developer Platform · in the page cli-sdks-libraries/sdks/python …g back into JSON ([Pydantic `v1`](https://docs.pydantic.dev/1.10/usage/models/), [Pydantic `v2`](https://docs.pydantic.dev/latest/concepts/serialization/)). Typed requests and responses provide auto-… typescript Claude Developer Platform · in the page cli-sdks-libraries/sdks/typescript …es helpers for integrating with [Model Context Protocol (MCP)](https://modelcontextprotocol.io/) servers. These helpers convert MCP types to Claude API types, reducing boilerplate when working with MC… get-started Claude Developer Platform · in the page get-started …http://maven.apache.org/POM/4.0.0"> <modelVersion>4.0.0</modelVersion> <groupId>com.example</groupId> <artifactId>quickstart</artifactId> <versi… home Claude Developer Platform · in the page home …eJourneyLink icon="settings" href="https://platform.claude.com/docs/en/models/overview"> Choose a model </HomeJourneyLink> <HomeJourneyLink icon="code-brackets" href="… intro Claude Developer Platform · in the page intro …use, start with [Claude Opus 5.5](https://platform.claude.com/docs/en/models/opus-5-5/overview) for most workloads. Use [Claude Fable 5.1](https://platform.claude.com/docs/en/models/fable-5-1/overvie… opentelemetry Claude Developer Platform · in the page manage-claude/opentelemetry …eight={26} imageOffsetLeft={1} href="https://langfuse.com/integrations/model-providers/claude-platform"> Open-source agent observability and evaluation platform. </Card> <Card title="LangSmit… wif-reference Claude Developer Platform · in the page manage-claude/wif-reference …and token counting), [Models](https://platform.claude.com/docs/en/api/models/list), [Managed Agents](https://platform.claude.com/docs/en/managed-agents/overview) and their sessions, [Files](https://p… agent-setup Claude Developer Platform · in the page managed-agents/agent-setup …| Required. The Claude [model](https://platform.claude.com/docs/en/models/overview) that powers the agent. Accepts a model ID string or an object, for example `{"id": "claude-opus-5-5"}`. Claude 4… mcp-connector Claude Developer Platform · in the page managed-agents/mcp-connector …aged Agents supports connecting [Model Context Protocol (MCP)](https://modelcontextprotocol.io) servers to your agents. This gives the agent access to external tools, data sources, and services throug… migration Claude Developer Platform · in the page managed-agents/migration …API migration guide](https://platform.claude.com/docs/en/about-claude/models/migration-guide) do not require action on your side: * **Request parameter changes** (`max_tokens` (java, php: `maxTokens… reference Claude Developer Platform · in the page managed-agents/reference …n on MCP and building MCP servers, see the [MCP documentation](https://modelcontextprotocol.io). ## Rate limits Managed Agents endpoints are rate-limited for each organization: | Operation… spawn.sh: called once per claimed work item Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes …cript: `npm install @modelcontextprotocol/sdk`; go: `go get github.com/modelcontextprotocol/go-sdk`). The examples connect without authentication. To send credentials, configure the `http_client` (typ… self-hosted-sandboxes-custom-tools Claude Developer Platform · in the page managed-agents/self-hosted-sandboxes-custom-tools …cript: `npm install @modelcontextprotocol/sdk`; go: `go get github.com/modelcontextprotocol/go-sdk`; csharp: `dotnet add package ModelContextProtocol`; java: `com.anthropic:anthropic-java-mcp`; php: `… Or, for Claude Mythos 5.1, which offers the same capabilities to verified organizations: Claude Developer Platform · in the page models/fable-5-1/migration-guide …de Mythos 5.1 migration guide url: https://platform.claude.com/docs/en/models/fable-5-1/migration-guide description: Switch to Claude Fable 5.1 and Claude Mythos 5.1 from Claude Fable 5, Claude Mythos… overview Claude Developer Platform · in the page models/fable-5-1/overview --- title: Claude Fable 5.1 url: https://platform.claude.com/docs/en/models/fable-5-1/overview description: "An overview of Claude Fable 5.1: what it's for, model IDs on every platform, context window… whats-new-fable-5-1 Claude Developer Platform · in the page models/fable-5-1/whats-new-fable-5-1 …hat's new in Claude Fable 5.1 url: https://platform.claude.com/docs/en/models/fable-5-1/whats-new-fable-5-1 description: Overview of new features, breaking changes, and capability improvements in Clau… overview Claude Developer Platform · in the page models/fable-5/overview --- title: Claude Fable 5 url: https://platform.claude.com/docs/en/models/fable-5/overview description: "Claude Fable 5 reference: lifecycle status, model IDs on every platform, context window, output… overview Claude Developer Platform · in the page models/haiku-4-5/overview --- title: Claude Haiku 4.5 url: https://platform.claude.com/docs/en/models/haiku-4-5/overview description: "Claude Haiku 4.5 reference: lifecycle status, model IDs on every platform, context window,… migration-guide Claude Developer Platform · in the page models/haiku-5-5/migration-guide …ude Haiku 5.5 migration guide url: https://platform.claude.com/docs/en/models/haiku-5-5/migration-guide description: Switch to Claude Haiku 5.5 from earlier Haiku models with this migration guide. The… overview Claude Developer Platform · in the page models/haiku-5-5/overview --- title: Claude Haiku 5.5 url: https://platform.claude.com/docs/en/models/haiku-5-5/overview description: "An overview of Claude Haiku 5.5: what it's for, model IDs on every platform, context window… whats-new-haiku-5-5 Claude Developer Platform · in the page models/haiku-5-5/whats-new-haiku-5-5 …hat's new in Claude Haiku 5.5 url: https://platform.claude.com/docs/en/models/haiku-5-5/whats-new-haiku-5-5 description: Overview of new capabilities, breaking changes, and behavior changes in Claude… overview Claude Developer Platform · in the page models/mythos-5-1/overview --- title: Claude Mythos 5.1 url: https://platform.claude.com/docs/en/models/mythos-5-1/overview description: Claude Mythos 5.1 is the same model as Claude Fable 5.1, available only to organizations v… overview Claude Developer Platform · in the page models/mythos-5/overview --- title: Claude Mythos 5 url: https://platform.claude.com/docs/en/models/mythos-5/overview description: "Claude Mythos 5 reference: the same model as Claude Fable 5, offered for defensive cybersecur… overview Claude Developer Platform · in the page models/opus-4-5/overview --- title: Claude Opus 4.5 url: https://platform.claude.com/docs/en/models/opus-4-5/overview description: "Claude Opus 4.5 reference: lifecycle status, model IDs on every platform, context window, out… overview Claude Developer Platform · in the page models/opus-4-6/overview --- title: Claude Opus 4.6 url: https://platform.claude.com/docs/en/models/opus-4-6/overview description: "Claude Opus 4.6 reference: lifecycle status, model IDs on every platform, context window, out… overview Claude Developer Platform · in the page models/opus-4-7/overview --- title: Claude Opus 4.7 url: https://platform.claude.com/docs/en/models/opus-4-7/overview description: "Claude Opus 4.7 reference: lifecycle status, model IDs on every platform, context window, out… overview Claude Developer Platform · in the page models/opus-4-8/overview --- title: Claude Opus 4.8 url: https://platform.claude.com/docs/en/models/opus-4-8/overview description: "Claude Opus 4.8 reference: lifecycle status, model IDs on every platform, context window, out… migration-guide Claude Developer Platform · in the page models/opus-5-5/migration-guide …aude Opus 5.5 migration guide url: https://platform.claude.com/docs/en/models/opus-5-5/migration-guide description: Switch to Claude Opus 5.5 from earlier Opus models or Claude Sonnet 5 with this migr… overview Claude Developer Platform · in the page models/opus-5-5/overview --- title: Claude Opus 5.5 url: https://platform.claude.com/docs/en/models/opus-5-5/overview description: "An overview of Claude Opus 5.5: what it's for, model IDs on every platform, context window, o… whats-new-opus-5-5 Claude Developer Platform · in the page models/opus-5-5/whats-new-opus-5-5 …What's new in Claude Opus 5.5 url: https://platform.claude.com/docs/en/models/opus-5-5/whats-new-opus-5-5 description: Overview of breaking changes, feature support, and behavior differences in Claude… overview Claude Developer Platform · in the page models/opus-5/overview --- title: Claude Opus 5 url: https://platform.claude.com/docs/en/models/opus-5/overview description: "Claude Opus 5 reference: lifecycle status, model IDs on every platform, context window, output li… Models overview Claude Developer Platform · in the page models/overview --- title: Models overview url: https://platform.claude.com/docs/en/models/overview description: Claude is a family of state-of-the-art large language models developed by Anthropic. This guide introdu… overview Claude Developer Platform · in the page models/sonnet-4-5/overview --- title: Claude Sonnet 4.5 url: https://platform.claude.com/docs/en/models/sonnet-4-5/overview description: "Claude Sonnet 4.5 reference: lifecycle status, model IDs on every platform, context windo…