257 pages for claude-opus-5-5.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
prompting-claude-opus-5-5
Claude Developer Platform · title
build-with-claude/prompt-engineering/prompting-claude-opus-5-5
claude-opus-5-5
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-5-5
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…ated | June 9, 2026 | To be announced | | claude-opus-5-5 | Active | N/A | Not sooner than September 22, 2027 | | claude-opus-5…
choosing-a-model
Claude Developer Platform · in the page
about-claude/models/choosing-a-model
…orm.claude.com/docs/en/build-with-claude/prompt-engineering/prompting-claude-opus-5-5) for this model. 3. Evaluate if performance meets your requirements. 4. Consider increasing efficiency by lowering…
optimizing-for-cost-and-intelligence
Claude Developer Platform · in the page
about-claude/models/optimizing-for-cost-and-intelligence
…rkloads ([Introducing Claude Opus 5.5](https://www.anthropic.com/news/claude-opus-5-5)). From Claude Sonnet 5 to Claude Sonnet 5.5, it is 87% on the same subset and up to 30% for most work ([Introduci…
customer-support-chat
Claude Developer Platform · in the page
about-claude/use-case-guides/customer-support-chat
…stub implementation to `config.py`: ```python import time MODEL = "claude-opus-5-5" TOOLS = [ { "name": "get_quote", "description": "Calculate the insurance quote based on user…
legal-summarization
Claude Developer Platform · in the page
about-claude/use-case-guides/legal-summarization
…() def summarize_document( text, details_to_extract, model="claude-opus-5-5", max_tokens=16000 ): # Format the details to extract to be placed within the prompt's context detai…
claude-api-skill
Claude Developer Platform · in the page
agents-and-tools/agent-skills/claude-api-skill
…n the scope is ambiguous (for example, a bare `/claude-api migrate to claude-opus-5-5`), the skill asks you to choose among the entire working directory, a specific subdirectory, or an explicit file l…
PDF Processing
Claude Developer Platform · in the page
agents-and-tools/agent-skills/overview
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
quickstart
Claude Developer Platform · in the page
agents-and-tools/agent-skills/quickstart
…-H "anthropic-version: 2026-10-21" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 16000, "container": { "skills": [{"type": "anthropic", "skill_id": "pptx…
mcp-connector
Claude Developer Platform · in the page
agents-and-tools/mcp-connector
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
overview
Claude Developer Platform · in the page
agents-and-tools/mcp-tunnels/overview
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
advisor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/advisor-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
bash-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/bash-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
browser-use-sdk
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-sdk
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 s…
browser-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/browser-use-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8 s…
build-a-tool-using-agent
Claude Developer Platform · in the page
agents-and-tools/tool-use/build-a-tool-using-agent
…e tool description. response = client.messages.create( model="claude-opus-5-5", 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
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
computer-use-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/computer-use-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
define-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/define-tools
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
fine-grained-tool-streaming
Claude Developer Platform · in the page
agents-and-tools/tool-use/fine-grained-tool-streaming
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
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-5-5", "stop_reason": "tool_use", "role": "assistant", "content": [ { "type": "text",…
memory-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/memory-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
overview
Claude Developer Platform · in the page
agents-and-tools/tool-use/overview
…\ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 4096, "tools": [{"type": "web_search_20260209", "name": "web_search"}], "message…
parallel-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/parallel-tool-use
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-opus-4-8…
server-tools
Claude Developer Platform · in the page
agents-and-tools/tool-use/server-tools
…\ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 4096, "messages": [ { "role": "user", "content": "Search f…
strict-tool-use
Claude Developer Platform · in the page
agents-and-tools/tool-use/strict-tool-use
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
text-editor-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/text-editor-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
Log at info level
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-runner
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
web-fetch-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-fetch-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
web-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/web-search-tool
…laude-fable-5 - claude-mythos-5 - claude-mythos-preview - claude-opus-5-5 - claude-opus-5 - claude-sonnet-5-5 - claude-sonnet-5 - claude-haiku-5-5 - claude-haiku-4-5-20…
Beta
Claude Developer Platform · in the page
api/beta
…" ``` ##### Response (200) ```json { "data": [ { "id": "claude-opus-5-5", "allowed_fallback_models": [ "string" ], "capabilities": { "batch": {…
beta-headers
Claude Developer Platform · in the page
api/beta-headers
…\ -H "content-type: application/json" \ -d '{ "model": "claude-opus-5-5", "max_tokens": 1024, "messages": [ {"role": "user", "content": "Hello, Claude"} ] }…
Agents
Claude Developer Platform · in the page
api/beta/agents
…e/models/overview?sdk_languages=http#latest-models-comparison), e.g. `claude-opus-5-5`, or a `model_config` object for additional configuration control - `BetaManagedAgentsModel = "claude-fable-5-2…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…onnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents - `"claude-fable-5-1"`…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…e/models/overview?sdk_languages=http#latest-models-comparison), e.g. `claude-opus-5-5`, or a `model_config` object for additional configuration control - `BetaManagedAgentsModel = "claude-fable-5-2…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…onnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents - `"claude-fable-5-1"`…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…onnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents - `"claude-fable-5-1"`…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…e/models/overview?sdk_languages=http#latest-models-comparison), e.g. `claude-opus-5-5`, or a `model_config` object for additional configuration control. Omit to preserve. Cannot be cleared. - `Beta…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…onnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents - `"claude-fable-5-1"`…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…onnet-5-5"` Efficient model for coding and agents - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents - `"claude-fable-5-1"`…
Messages
Claude Developer Platform · in the page
api/beta/messages
…ific discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…ic discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Count tokens in a Message
Claude Developer Platform · in the page
api/beta/messages/count_tokens
…ific discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…ific discovery, and enterprise workflows - `"claude-opus-5-5"` Powerful intelligence for coding, knowledge work, and long-running agents…
Models
Claude Developer Platform · in the page
api/beta/models
…Y" ``` #### Response (200) ```json { "data": [ { "id": "claude-opus-5-5", "allowed_fallback_models": [ "string" ], "capabilities": { "batch": {…