476 pages for models.

mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …fmt.Println(response) ``` ```java Java import com.anthropic.models.beta.messages.BetaMcpToolset; // ... import com.anthropic.models.beta.messages.BetaRequestMcpServerUrlDefinition; //… overview Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/overview …fmt.Println(response) ``` ```java Java import com.anthropic.models.beta.messages.BetaMcpToolset; // ... import com.anthropic.models.beta.messages.BetaRequestMcpServerUrlDefinition; //… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …st and intelligence](https://platform.claude.com/docs/en/about-claude/models/optimizing-for-cost-and-intelligence). ```mermaid sequenceDiagram participant U as Your application participant E as E… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …fmt.Println(response) ``` ```java Java import com.anthropic.models.messages.ToolBash20250124; void main() { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); Message… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …atus: ga zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). su… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …using System.Threading.Tasks; using Anthropic; using Anthropic.Models.Messages; // Create a client. It reads ANTHROPIC_API_KEY from the environment. AnthropicClient client = new(); // D… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …lutions. featureMetadata: status: ga zdr: not-eligible supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - clau… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …atus: ga zdr: eligibility: eligible note: Excludes [Covered Models](https://platform.claude.com/docs/en/manage-claude/api-and-data-retention#model-specific-data-retention-requirements). su… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …ntln(response.RawJSON()) ``` ```java Java import com.anthropic.models.messages.Tool; import com.anthropic.models.messages.Tool.InputSchema; // ... void main() { AnthropicClient clie… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …to Claude. </Warning> ## How to use fine-grained tool streaming All models support fine-grained tool streaming on the Claude API, [Amazon Bedrock](https://platform.claude.com/docs/en/build-with-clau… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …tails..." ``` The memory tool is available on all Claude 4 and later models. For the full list of Anthropic-provided tools, see the [Tool reference](https://platform.claude.com/docs/en/agents-and-too… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …rintln(response.Content) ``` ```java Java import com.anthropic.models.messages.WebSearchTool20260209; void main() { AnthropicClient client = AnthropicOkHttpClient.fromEnv(); Mes… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …in that message. ## Maximizing parallel tool use Claude 4 and later models make parallel tool calls by default when a request benefits from multiple tools. For all models, you can increase the likel… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …rkflows. featureMetadata: status: ga zdr: not-eligible supportedModels: - claude-fable-5-1 - claude-mythos-5-1 - claude-fable-5 - claude-mythos-5 - claude-opus-5-5 - clau… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …mt.Println(response) } ``` ```java Java import com.anthropic.models.messages.StopReason; import com.anthropic.models.messages.WebSearchTool20250305; void main() { AnthropicClient c… strict-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/strict-tool-use …arp C# using System.Text.Json; using Anthropic; using Anthropic.Models.Messages; AnthropicClient client = new(); var parameters = new MessageCreateParams { Model = Model.ClaudeOpus… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …fmt.Println(response) ``` ```java Java import com.anthropic.models.messages.ToolTextEditor20250728; // ... void main() { AnthropicClient client = AnthropicOkHttpClient.fromEnv();… tool-reference Claude Developer Platform · in the page agents-and-tools/tool-use/tool-reference …| For model compatibility, see each tool's page. Supported models vary by tool and by tool version. <Note> The tool search `type` values also accept undated aliases: `tool_search_tool_re… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …sing Anthropic; using Anthropic.Helpers.Beta; using Anthropic.Models.Beta.Messages; using MessageCreateParams = Anthropic.Models.Beta.Messages.MessageCreateParams; using InputSchema =… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …election accuracy stays high even across thousands of tools. For the models that support tool search, see [Model compatibility](https://platform.claude.com/docs/en/agents-and-tools/tool-use/tool-sear… tool-use-with-prompt-caching Claude Developer Platform · in the page agents-and-tools/tool-use/tool-use-with-prompt-caching …meters | Messages cache always; tool and system caches too on models that render the thinking configuration ahead of them ([details](https://platform.claude.com/docs/en/build-with-claude/think… troubleshooting-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/troubleshooting-tool-use …them in a `user` turn after the `tool_result` block, or, on supported models, in a [mid-conversation system message](https://platform.claude.com/docs/en/build-with-claude/mid-conversation-system-messa… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …nse quality. Dynamic filtering is available with Claude 4.6 and later models and [Claude Mythos Preview](https://anthropic.com/glasswing). `web_fetch_20260318` also adds [response inclusion](https://p… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …information. Dynamic filtering is available with Claude 4.6 and later models and [Claude Mythos Preview](https://anthropic.com/glasswing). Three versions of the web search tool are available: * `web… Beta Claude Developer Platform · in the page api/beta …it_error - `message: string` default: Rate limited ## Beta › Models ### List Models **GET** `/v1/models` List available models. The Models API response can be used to determine which mode… Agents Claude Developer Platform · in the page api/beta/agents …s the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …AgentsModel` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `string` - `"claud… Create Agent Claude Developer Platform · in the page api/beta/agents/create …s the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control… List Agents Claude Developer Platform · in the page api/beta/agents/list …AgentsModel` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `string` - `"claud… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …AgentsModel` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `string` - `"claud… Update Agent Claude Developer Platform · in the page api/beta/agents/update …s the [model string](https://platform.claude.com/docs/en/about-claude/models/overview#latest-models-comparison), e.g. `claude-opus-5`, or a `model_config` object for additional configuration control.… Versions Claude Developer Platform · in the page api/beta/agents/versions …AgentsModel` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `string` - `"claud… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …AgentsModel` The model that will power your agent. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `string` - `"claud… Deployments Claude Developer Platform · in the page api/beta/deployments …sult`, or `user.custom_tool_result` it accompanies. Only supported on models that accept mid-conversation system messages. - `type: "system.message"` - `content: array of BetaManagedAgentsSy… Create Deployment Claude Developer Platform · in the page api/beta/deployments/create …sult`, or `user.custom_tool_result` it accompanies. Only supported on models that accept mid-conversation system messages. - `type: "system.message"` - `content: array of BetaManagedAgentsSy… Update Deployment Claude Developer Platform · in the page api/beta/deployments/update …sult`, or `user.custom_tool_result` it accompanies. Only supported on models that accept mid-conversation system messages. - `type: "system.message"` - `content: array of BetaManagedAgentsSy… Dreams Claude Developer Platform · in the page api/beta/dreams ….claude.com/docs/en/managed-agents/dreams#limits) lists the supported models. - `string` - `BetaDreamModelConfigParam object` The object form of `model` in a request to create a dream.… Create a Dream Claude Developer Platform · in the page api/beta/dreams/create ….claude.com/docs/en/managed-agents/dreams#limits) lists the supported models. - `string` - `BetaDreamModelConfigParam object` The object form of `model` in a request to create a dream.… Messages Claude Developer Platform · in the page api/beta/messages …aximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Batches Claude Developer Platform · in the page api/beta/messages/batches …um number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …um number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …model that will complete your prompt. See [models](https://docs.anthropic.com/en/docs/models-overview) for additional details and options. - `stri… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …rs - `messages: array of BetaMessageParam` Input messages. Our models are trained to operate on alternating `user` and `assistant` conversational turns. When creating a new `Message`, you speci… Create a Message Claude Developer Platform · in the page api/beta/messages/create …aximum number of tokens to generate before stopping. Note that our models may stop _before_ reaching this maximum. This parameter only specifies the absolute maximum number of tokens to generate.… Organization Claude Developer Platform · in the page api/beta/organization …- `type: "model_group"` Always `model_group`: a family of models. default: model_group - `id: string` Opaque identifier of the rate-limit group (for example, `rlg_… Analytics Claude Developer Platform · in the page api/beta/organization/analytics …`: default 24, max 168; `1m`: default 60, max 256). minimum: 1 - `models: optional array of string` Models to include. Defaults to all models. Use `group_by[]=model` to break out per-model valu… Cost Claude Developer Platform · in the page api/beta/organization/analytics/cost …`: default 24, max 168; `1m`: default 60, max 256). minimum: 1 - `models: optional array of string` Models to include. Defaults to all models. Use `group_by[]=model` to break out per-model valu… Get Cost Over Time Claude Developer Platform · in the page api/beta/organization/analytics/cost/list …`: default 24, max 168; `1m`: default 60, max 256). minimum: 1 - `models: optional array of string` Models to include. Defaults to all models. Use `group_by[]=model` to break out per-model valu… Get Per-User Cost Claude Developer Platform · in the page api/beta/organization/analytics/cost/list_by_user …o `data` can exceed it. default: 20, minimum: 1, maximum: 1000 - `models: optional array of string` Models to include. Defaults to all models. Use `group_by[]=model` to break out per-model valu… Usage Claude Developer Platform · in the page api/beta/organization/analytics/usage …`: default 24, max 168; `1m`: default 60, max 256). minimum: 1 - `models: optional array of string` Models to include. Defaults to all models. Use `group_by[]=model` to break out per-model valu…