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50 pages for opus.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it. Cut at 50, so a narrower query shows the rest.
prompting-claude-opus-4-8
Claude Developer Platform · title
build-with-claude/prompt-engineering/prompting-claude-opus-4-8
prompting-claude-opus-5
Claude Developer Platform · title
build-with-claude/prompt-engineering/prompting-claude-opus-5
Opus migration
Claude Developer Platform · title
models/opus-5/migration-guide
whats-new-opus-5
Claude Developer Platform · title
models/opus-5/whats-new-opus-5
claude-opus-3
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-3
claude-opus-4
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4
claude-opus-4-1
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-1
claude-opus-4-5
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-5
claude-opus-4-6
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-6
claude-opus-4-7
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-7
claude-opus-4-8
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-8
claude-opus-5
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-5
overview
Claude Developer Platform · path
models/opus-4-5/overview
overview
Claude Developer Platform · path
models/opus-4-6/overview
overview
Claude Developer Platform · path
models/opus-4-7/overview
overview
Claude Developer Platform · path
models/opus-4-8/overview
overview
Claude Developer Platform · path
models/opus-5/overview
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…h-claude/claude-in-amazon-bedrock#supported-models), [Amazon Bedrock (Opus 4.6 and earlier)](https://platform.claude.com/docs/en/build-with-claude/claude-on-amazon-bedrock-legacy#api-model-ids), and […
choosing-a-model
Claude Developer Platform · in the page
about-claude/models/choosing-a-model
…ow quickly does the model need to respond in your application? Claude Opus 5 and Claude Opus 4.8 support [fast mode](https://platform.claude.com/docs/en/build-with-claude/fast-mode) (research preview)…
Or, for the model with the same capabilities and no access approval requirement:
Claude Developer Platform · in the page
about-claude/models/migration-guide
…is page: ```text wrap /claude-api migrate this project to claude-opus-5 ``` The skill applies the model ID swap and, as needed, breaking parameter changes, prefill replacement, and effort ca…
model-ids-and-versions
Claude Developer Platform · in the page
about-claude/models/model-ids-and-versions
…inor}] ``` Major-version releases such as Claude Sonnet 5 and Claude Opus 5 omit the minor segment. For example: `claude-sonnet-4-6`, `claude-sonnet-5`, `claude-opus-4-6`, `claude-opus-4-7`, `claude…
optimizing-for-cost-and-intelligence
Claude Developer Platform · in the page
about-claude/models/optimizing-for-cost-and-intelligence
…ess than the 1-hour setting on Claude Sonnet 5 and 11% less on Claude Opus 5. * Gaps over an hour are common: stay on the default. A gap over an hour expires both durations, and the 1-hour setting the…
pricing
Claude Developer Platform · in the page
about-claude/pricing
…| $20 / MTok | $1 / MTok | $50 / MTok | | Claude Opus 5 | $…
content-moderation
Claude Developer Platform · in the page
about-claude/use-case-guides/content-moderation
…,500 USD * Monthly cost: $28,600 + $7,500 = $36,100 USD * **Claude Opus 5 estimated cost** * Input token cost: 28,600 MTok \* $5.00/MTok = $143,000 USD * Output token cost: 1,500 MTok \* $25.0…
customer-support-chat
Claude Developer Platform · in the page
about-claude/use-case-guides/customer-support-chat
…cost, accuracy, and response time. For customer support chat, Claude Opus 5 is well suited to balance intelligence, latency, and cost, including the most complex support scenarios that require deep r…
Create the full URL from the GitHub repository
Claude Developer Platform · in the page
about-claude/use-case-guides/legal-summarization
…uracy is extremely important when summarizing legal documents. Claude Opus 5 is an excellent choice for use cases such as this where high accuracy is required. If the size and quantity of your documen…
PDF Processing
Claude Developer Platform · in the page
agents-and-tools/agent-skills/best-practices
…ude Sonnet** (balanced): Is the Skill clear and efficient? * **Claude Opus** (powerful reasoning): Does the Skill avoid over-explaining? What works perfectly for Opus might need more detail for Haiku…
claude-api-skill
Claude Developer Platform · in the page
agents-and-tools/agent-skills/claude-api-skill
…models (including the breaking changes and behavior shifts on [Claude Opus 5](https://platform.claude.com/docs/en/models/opus-5/migration-guide#migrating-from-claude-opus-4-8-to-claude-opus-5)) * **Cu…
enterprise
Claude Developer Platform · in the page
agents-and-tools/agent-skills/enterprise
…uire testing across the models your organization uses (Haiku, Sonnet, Opus), because Skill effectiveness varies by model. For detailed guidance on building evaluations, see [evaluation and iteration]…
quickstart
Claude Developer Platform · in the page
agents-and-tools/agent-skills/quickstart
…c-version: 2023-06-01" \ -d @- <<'EOF' { "model": "claude-opus-5", "max_tokens": 16000, "container": { "skills": [{"type": "anthropic", "skill_id": "pptx", "version": "latest…
mcp-connector
Claude Developer Platform · in the page
agents-and-tools/mcp-connector
…ropic-beta: mcp-client-2025-11-20" \ -d '{ "model": "claude-opus-5", "max_tokens": 1000, "messages": [{"role": "user", "content": "What tools do you have available?"}], "mc…
overview
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/overview
…ropic-beta: mcp-client-2025-11-20" \ -d '{ "model": "claude-opus-5", "max_tokens": 1000, "messages": [{"role": "user", "content": "Use the hello tool to greet tunnel."}], "…
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…u currently use Sonnet on complex tasks:** Add a higher-tier advisor. Opus keeps total cost similar or lower; Claude Fable 5 maximizes the quality lift. * **You currently use Haiku and want a step up…
bash-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/bash-tool
…-H "anthropic-version: 2023-06-01" \ -d '{ "model": "claude-opus-5", "max_tokens": 1024, "tools": [ { "type": "bash_20250124", "name": "bash"…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…ts)) - Supported models: `claude-fable-5`, `claude-mythos-5`, `claude-opus-5`, `claude-sonnet-5`, `claude-opus-4-8` - Platforms: Claude API, Google Cloud; not available on Claude Platform on AWS, Amaz…
build-a-tool-using-agent
Claude Developer Platform · in the page
agents-and-tools/tool-use/build-a-tool-using-agent
…OOLS" \ --arg msg "$USER_MSG" \ '{ model: "claude-opus-5", max_tokens: 1024, tools: $tools, tool_choice: {type: "auto", disable_parallel_tool_use: true},…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…---------------------------------------------------------- | | Claude Opus 5 (claude-opus-5) | `code_execution_20250825`, `code_execution_20260120`, `code_execution_20260521` | | Clau…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…ts)) - Supported models: `claude-fable-5`, `claude-mythos-5`, `claude-opus-5`, `claude-sonnet-5`, `claude-opus-4-8` - Platforms: Claude API, Claude Platform on AWS (beta), Amazon Bedrock (beta), Googl…
define-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/define-tools
…working SDK or cURL setup ## Choosing a model Use the latest Claude Opus model, Claude Opus 5, for complex tools and ambiguous queries; it handles multiple tools better and seeks clarification when…
fine-grained-tool-streaming
Claude Developer Platform · in the page
agents-and-tools/tool-use/fine-grained-tool-streaming
…-H "anthropic-version: 2023-06-01" \ -d '{ "model": "claude-opus-5", "max_tokens": 65536, "tools": [ { "name": "make_file", "description": "Write text…
handle-tool-calls
Claude Developer Platform · in the page
agents-and-tools/tool-use/handle-tool-calls
…`json JSON { "id": "msg_01Aq9w938a90dw8q", "model": "claude-opus-5", "stop_reason": "tool_use", "role": "assistant", "content": [ { "type": "text", "text":…
memory-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/memory-tool
…H "content-type: application/json" \ -d '{ "model": "claude-opus-5", "max_tokens": 2048, "messages": [ { "role": "user", "content": "Help me respond t…
overview
Claude Developer Platform · in the page
agents-and-tools/tool-use/overview
…H "content-type: application/json" \ -d '{ "model": "claude-opus-5", "max_tokens": 1024, "tools": [{"type": "web_search_20260209", "name": "web_search"}], "messages": [{"ro…
parallel-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/parallel-tool-use
…l calls...") response = client.messages.create( model="claude-opus-5", max_tokens=1024, messages=messages, tools=tools ) # Check for parallel tool calls tool_uses = [block for block in…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…| | Claude Mythos 5 (claude-mythos-5) | | Claude Opus 5 (claude-opus-5) | | Claude Opus 4.8 (claude-opus-4-8) | | Claude Opus 4.7 (claude-opus-4-7)…
server-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/server-tools
…H "content-type: application/json" \ -d '{ "model": "claude-opus-5", "max_tokens": 1024, "messages": [ { "role": "user", "content": "Search for compre…
strict-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/strict-tool-use
…-H "anthropic-version: 2023-06-01" \ -d '{ "model": "claude-opus-5", "max_tokens": 1024, "messages": [ {"role": "user", "content": "What is the weather in San Francisco?"…
text-editor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/text-editor-tool
…-H "anthropic-version: 2023-06-01" \ -d '{ "model": "claude-opus-5", "max_tokens": 1024, "tools": [ { "type": "text_editor_20250728", "name": "str_rep…
Log at info level
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-runner
…runner = client.beta.messages.tool_runner( model="claude-opus-5", max_tokens=1024, tools=[get_weather, calculate_sum], messages=[ { "ro…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…rch_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Opus 5 (claude-opus-5) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Opus 4.8…