93 pages for opus5.

Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …ameters = new MessageCreateParams { Model = Model.ClaudeOpus5, MaxTokens = 16000, Thinking = new ThinkingConfigAdaptive(), OutputConfig = new OutputConfig { Ef… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …( new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "Hello, Claude" }], } ); var… legal-summarization Claude Developer Platform · in the page about-claude/use-case-guides/legal-summarization …eadOnlyList<string> detailsToExtract, Model model = Model.ClaudeOpus5_5, long maxTokens = 16000 ) { // Format the details to extract to be placed within the prompt's context… quickstart Claude Developer Platform · in the page agents-and-tools/agent-skills/quickstart …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 16000, Container = new ContainerParams { Skills = [ new S… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1000, Messages = new List<BetaMessageParam> { new BetaUserMessageParam { Content… overview Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/overview …ers = new MessageCreateParams { Model = Messages::Model.ClaudeOpus5_5, MaxTokens = 1000, Messages = new List<BetaMessageParam> { new BetaUserMessageParam { Content… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …rTool20260301 { Model = Messages::Model.ClaudeOpus5_5 } }, Messages = [ new BetaUserMessageParam { Content = "Buil… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …nt.Messages.Create( new() { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = [new ToolBash20250124()], Messages = [ ne… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 2048, Tools = [new BrowserToolset20260801()], Messages = [ new UserMessageP… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = tools, ToolChoice = toolChoice, Messages = [new UserMessageParam { Cont… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …ge = await client.Messages.Create(new() { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [new UserMessageParam { Content = "Use the code execution tool to calculate the… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = [ new ComputerToolset20260801(), new ToolTextEditor202507… define-tools Claude Developer Platform · in the page agents-and-tools/tool-use/define-tools …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = [ new ToolUnion(new Tool() { Name = "get_weather"… fine-grained-tool-streaming Claude Developer Platform · in the page agents-and-tools/tool-use/fine-grained-tool-streaming …MessageCreateParams parameters = new() { Model = Model.ClaudeOpus5_5, MaxTokens = 65536, Tools = [ new Tool { Name = "make_file",… memory-tool Claude Developer Platform · in the page agents-and-tools/tool-use/memory-tool …nt.Messages.Create( new() { Model = Model.ClaudeOpus5_5, MaxTokens = 2048, Messages = [ new UserMessageParam { Content = "Help me resp… overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = [new ToolUnion(new WebSearchTool20260209())], Messages = [new UserMessagePara… parallel-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/parallel-tool-use …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "What's the weather in SF and NYC, and what ti… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [ new UserMessageParam { Content = "Query sales data for… server-tools Claude Developer Platform · in the page agents-and-tools/tool-use/server-tools …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [ new UserMessageParam { Content = "Search for comprehen… strict-tool-use Claude Developer Platform · in the page agents-and-tools/tool-use/strict-tool-use …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "What's the weather like in San Francisco?" }]… text-editor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/text-editor-tool …nt.Messages.Create( new() { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Tools = [new ToolTextEditor20250728 { MaxCharacters = 10000 }], Messages… Log at info level Claude Developer Platform · in the page agents-and-tools/tool-use/tool-runner …new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [ new BetaUserMessageParam… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 2048, Messages = [new UserMessageParam { Content = "What is the weather in San Francisco?" }],… web-fetch-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-fetch-tool …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [new UserMessageParam { Content = "Fetch the content at https://example.com/rese… web-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/web-search-tool …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [new UserMessageParam { Content = "Search for the current prices of AAPL and GOO… beta-headers Claude Developer Platform · in the page api/beta-headers …( new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new BetaUserMessageParam { Content = "Hello, Claude" }], Beta… Message Batches API Claude Developer Platform · in the page build-with-claude/batch-processing …Params = new() { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "Hello, world" }]… cache-diagnostics Claude Developer Platform · in the page build-with-claude/cache-diagnostics …s.Create( new() { Model = Messages::Model.ClaudeOpus5_5, MaxTokens = 1024, CacheControl = new(), System = system, Messages = [new BetaUser… citations Claude Developer Platform · in the page build-with-claude/citations …nt.Messages.Create( new() { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [ new UserMessageParam {… claude-on-vertex-ai Claude Developer Platform · in the page build-with-claude/claude-on-vertex-ai …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 100, Messages = [new UserMessageParam { Content = "Hey Claude!" }] }; var message = await cl… sent_count = len(messages sent in the compaction request) Claude Developer Platform · in the page build-with-claude/compaction …), anthropic.BetaMessageNewParams{ Model: anthropic.ModelClaudeOpus5, MaxTokens: 4096, Messages: messages, ContextManagement: anthropic.BetaContextManagementConfigParam{ Edits: []… compaction-background Claude Developer Platform · in the page build-with-claude/compaction-background ….Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 8192, System = SystemPrompt, Betas = [AnthropicBeta.Compact2026_09_04],… compaction-keep-recent-turns Claude Developer Platform · in the page build-with-claude/compaction-keep-recent-turns ….Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 8192, System = SystemPrompt, Betas = [AnthropicBeta.Compact2026_09_04],… compaction-on-demand Claude Developer Platform · in the page build-with-claude/compaction-on-demand …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, // max_tokens caps the whole call, including any thinking, so allow several thousand tokens. MaxTokens = 4096… compaction-threshold Claude Developer Platform · in the page build-with-claude/compaction-threshold …s { Betas = ["compact-2026-01-12"], Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = messages, ContextManagement = new BetaContextManagementConfig {… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …ers = new MessageCreateParams { Model = Messages::Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [new BetaUserMessageParam { Content = "Search for recent developments in AI" }],… effort Claude Developer Platform · in the page build-with-claude/effort …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Messages = [ new UserMessageParam { Content = "Analyze the trade-of… fast-mode Claude Developer Platform · in the page build-with-claude/fast-mode …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Speed = Speed.Fast, Messages = [ new UserMessageParam { Content = "Refactor… files Claude Developer Platform · in the page build-with-claude/files …( new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [ new UserMessageParam {… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "Hello!" }] }); if (response.StopReason =… mid-conversation-effort-example Claude Developer Platform · in the page build-with-claude/mid-conversation-effort-example …AnthropicClient client = new(); const Model model = Model.ClaudeOpus5_5; var effort = Effort.Xhigh; const string systemPrompt = "You are a helpful general-purpose agent. Answer the user's r… mid-conversation-system-messages Claude Developer Platform · in the page build-with-claude/mid-conversation-system-messages …reate(new MessageCreateParams { Model = Messages::Model.ClaudeOpus5_5, MaxTokens = 1024, Betas = [AnthropicBeta.InlineTools2026_09_15], // The full tool set is declared up fr… multilingual-support Claude Developer Platform · in the page build-with-claude/multilingual-support …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, System = "Always respond in French, regardless of the language the user writes in.",… pdf-support Claude Developer Platform · in the page build-with-claude/pdf-support …Messages.Create(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [ new UserMessageParam { Content = new L… Request 2 caches its request content (not the response) Claude Developer Platform · in the page build-with-claude/prompt-caching …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, CacheControl = new CacheControlEphemeral(), System = "You are an AI assistant tasked… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, System = "You are a helpful coding assistant specializing in Python.", Messages = [ne… search-results Claude Developer Platform · in the page build-with-claude/search-results …se = await client.Messages.Create(new() { Model = Model.ClaudeOpus5, MaxTokens = 1024, Tools = tools, ToolChoice = new ToolChoiceTool { Name = "search_knowledge_base" },… skills-guide Claude Developer Platform · in the page build-with-claude/skills-guide …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 4096, Container = new ContainerParams { Skills = [ new Sk… streaming Claude Developer Platform · in the page build-with-claude/streaming …ar parameters = new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "Hello" }] }; await foreach (var msg in c… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …ontactInfo>(new MessageCreateParams { Model = Model.ClaudeOpus5_5, MaxTokens = 1024, Messages = [new UserMessageParam { Content = "Extract the key information f…