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50 pages for claude-opus-4-5.
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claude-opus-4-5
Claude Developer Platform · title
release-notes/system-prompts/claude-opus-4-5
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…e | N/A | Not sooner than February 5, 2027 | | claude-opus-4-5-20251101 | Active | N/A | Not sooner than November 24, 2026 | | claude-opus-4-1-20250805…
Or, for the model with the same capabilities and no access approval requirement:
Claude Developer Platform · in the page
about-claude/models/migration-guide
…d. ##### Update your model name ```python # Opus migration model = "claude-opus-4-5" # Before model = "claude-opus-5" # After ``` ##### Breaking changes 1. **Prefill removal** is covered in the…
code-execution-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/code-execution-tool
…e_execution_20260120`, `code_execution_20260521` | | Claude Opus 4.5 (claude-opus-4-5-20251101) | `code_execution_20250825`, `code_execution_20260120`, `code_execution_20260521` | | Claude Sonnet…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…| Claude Sonnet 4.6 (claude-sonnet-4-6) | | Claude Opus 4.5 (claude-opus-4-5-20251101) | | Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) | For the full code execution tool version matri…
tool-search-tool
Claude Developer Platform · in the page
agents-and-tools/tool-use/tool-search-tool
…egex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Opus 4.5 (claude-opus-4-5-20251101) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Sonnet 4.5 (claude-…
Beta
Claude Developer Platform · in the page
api/beta
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-202…
Agents
Claude Developer Platform · in the page
api/beta/agents
…1"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…1"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…1"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Messages
Claude Developer Platform · in the page
api/beta/messages
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-202…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus…
Count tokens in a Message
Claude Developer Platform · in the page
api/beta/messages/count_tokens
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-202…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-202…
Sessions
Claude Developer Platform · in the page
api/beta/sessions
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Archive Session
Claude Developer Platform · in the page
api/beta/sessions/archive
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Create Session
Claude Developer Platform · in the page
api/beta/sessions/create
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
List Events
Claude Developer Platform · in the page
api/beta/sessions/events/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Stream Events
Claude Developer Platform · in the page
api/beta/sessions/events/stream
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
List Sessions
Claude Developer Platform · in the page
api/beta/sessions/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Get Session
Claude Developer Platform · in the page
api/beta/sessions/retrieve
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Archive Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/archive
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
List Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Stream Session Thread Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events/stream
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
List Session Threads
Claude Developer Platform · in the page
api/beta/sessions/threads/list
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Get Session Thread
Claude Developer Platform · in the page
api/beta/sessions/threads/retrieve
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Update Session
Claude Developer Platform · in the page
api/beta/sessions/update
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Completions
Claude Developer Platform · in the page
api/completions
…51001"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"` Power…
Create a Text Completion
Claude Developer Platform · in the page
api/completions/create
…51001"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"` Power…
Messages
Claude Developer Platform · in the page
api/messages
…51001"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"` Power…
Batches
Claude Developer Platform · in the page
api/messages/batches
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Create a Message Batch
Claude Developer Platform · in the page
api/messages/batches/create
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"`…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/messages/batches/results
…Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-2025110…
Count tokens in a Message
Claude Developer Platform · in the page
api/messages/count_tokens
…51001"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"` Power…
Create a Message
Claude Developer Platform · in the page
api/messages/create
…51001"` Fastest model with near-frontier intelligence - `"claude-opus-4-5"` Powerful intelligence for long-running agents and coding - `"claude-opus-4-5-20251101"` Power…
claude-in-microsoft-foundry
Claude Developer Platform · in the page
build-with-claude/claude-in-microsoft-foundry
…| | ✓ | | Claude Opus 4.5 | claude-opus-4-5 | | ✓ | | Claude Sonnet 5 | claude-sonnet-5 | ✓…
claude-on-amazon-bedrock-legacy
Claude Developer Platform · in the page
build-with-claude/claude-on-amazon-bedrock-legacy
…| No | No | No | | Claude Opus 4.5 | anthropic.claude-opus-4-5-20251101-v1:0 | Yes | Yes | Yes | No | No | | Claude Opus 4.1 Deprecated. | anthropic.claude-opus-…
claude-on-vertex-ai
Claude Developer Platform · in the page
build-with-claude/claude-on-vertex-ai
…d. | claude-3-7-sonnet\@20250219 | | Claude Opus 4.5 | claude-opus-4-5\@20251101 | | Claude Opus 4.1 Deprecated. | claude-opus-4-1\@20250805 | | Claude Opus 4 Deprecated. | clau…
claude-platform-on-aws
Claude Developer Platform · in the page
build-with-claude/claude-platform-on-aws
…5 | | Claude Sonnet 4.6 | claude-sonnet-4-6 | | Claude Opus 4.5 | claude-opus-4-5 | | Claude Sonnet 4.5 | claude-sonnet-4-5 | | Claude Haiku 4.5 | claude-haiku-4-5 | Model IDs are identical t…
effort
Claude Developer Platform · in the page
build-with-claude/effort
…pus-4-7`, `claude-opus-4-6`, `claude-sonnet-5`, `claude-sonnet-4-6`, `claude-opus-4-5-20251101` - Platforms: Claude API, Claude Platform on AWS, Amazon Bedrock, Google Cloud, Microsoft Foundry The ef…