50 pages for claude-sonnet-4-5.

claude-sonnet-4-5 Claude Developer Platform · title release-notes/system-prompts/claude-sonnet-4-5 model-deprecations Claude Developer Platform · in the page about-claude/model-deprecations …e | N/A | Not sooner than February 17, 2027 | | claude-sonnet-4-5-20250929 | Active | N/A | Not sooner than September 29, 2026 | | claude-sonnet-4-20250514… model-ids-and-versions Claude Developer Platform · in the page about-claude/models/model-ids-and-versions …text wrap claude-{name}-{major}-{minor}-{YYYYMMDD} ``` For example: `claude-sonnet-4-5-20250929`, `claude-haiku-4-5-20251001` On Amazon Bedrock, these use the format: ```text wrap anthropic.claude-… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …execution_20260120`, `code_execution_20260521` | | Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) | `code_execution_20250825`, `code_execution_20260120`, `code_execution_20260521` | | Claude Haiku 4.5… Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …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 matrix, see the [code execution tool model compatibility t… tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …ex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Sonnet 4.5 (claude-sonnet-4-5-20250929) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Haiku 4.5 (claude-hai… Beta Claude Developer Platform · in the page api/beta …ul intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Agents Claude Developer Platform · in the page api/beta/agents …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-pe… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Create Agent Claude Developer Platform · in the page api/beta/agents/create …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-pe… List Agents Claude Developer Platform · in the page api/beta/agents/list …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Update Agent Claude Developer Platform · in the page api/beta/agents/update …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-pe… Versions Claude Developer Platform · in the page api/beta/agents/versions …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Messages Claude Developer Platform · in the page api/beta/messages …ul intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Batches Claude Developer Platform · in the page api/beta/messages/batches …ntelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-202… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …ntelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-202… Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …ntelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-202… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …ul intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Create a Message Claude Developer Platform · in the page api/beta/messages/create …ul intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Sessions Claude Developer Platform · in the page api/beta/sessions …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Archive Session Claude Developer Platform · in the page api/beta/sessions/archive …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Create Session Claude Developer Platform · in the page api/beta/sessions/create …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Events Claude Developer Platform · in the page api/beta/sessions/events …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… List Events Claude Developer Platform · in the page api/beta/sessions/events/list …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Stream Events Claude Developer Platform · in the page api/beta/sessions/events/stream …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… List Sessions Claude Developer Platform · in the page api/beta/sessions/list …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Get Session Claude Developer Platform · in the page api/beta/sessions/retrieve …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Threads Claude Developer Platform · in the page api/beta/sessions/threads …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Archive Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/archive …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Events Claude Developer Platform · in the page api/beta/sessions/threads/events …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… List Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/list …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Stream Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/stream …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… List Session Threads Claude Developer Platform · in the page api/beta/sessions/threads/list …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Get Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/retrieve …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Update Session Claude Developer Platform · in the page api/beta/sessions/update …werful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Completions Claude Developer Platform · in the page api/completions …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performa… Create a Text Completion Claude Developer Platform · in the page api/completions/create …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performa… Messages Claude Developer Platform · in the page api/messages …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performa… Batches Claude Developer Platform · in the page api/messages/batches …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` H… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …rful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"`… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performa… Create a Message Claude Developer Platform · in the page api/messages/create …Powerful intelligence for long-running agents and coding - `"claude-sonnet-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performa… claude-in-microsoft-foundry Claude Developer Platform · in the page build-with-claude/claude-in-microsoft-foundry …| | ✓ | | Claude Sonnet 4.5 | claude-sonnet-4-5 | | ✓ | | Claude Haiku 4.5 | claude-haiku-4-5 | ✓… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …or like the following: ```text wrap Invocation of model ID anthropic.claude-sonnet-4-5-20250929-v1:0 with on-demand throughput isn't supported. Retry your request with the ID or ARN of an inference p… claude-on-vertex-ai Claude Developer Platform · in the page build-with-claude/claude-on-vertex-ai …| claude-sonnet-4-6 | | Claude Sonnet 4.5 | claude-sonnet-4-5\@20250929 | | Claude Sonnet 4 Deprecated. | claude-sonnet-4\@20250514 | | Claude Sonnet 3.7 Retired. | clau… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …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 to the first-party Claude API. There are no… claude-prompting-best-practices Claude Developer Platform · in the page build-with-claude/prompt-engineering/claude-prompting-best-practices …\ -H "anthropic-version: 2023-06-01" \ -d '{ "model": "claude-sonnet-4-5-20250929", "max_tokens": 16000, "thinking": {"type": "enabled", "budget_tokens": 10000}, "mess…