50 pages for claude-sonnet-4-5-20250929.

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 …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `to:… Agents Claude Developer Platform · in the page api/beta/agents …-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `BetaManagedAgentsModelCon… Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optional Be… Create Agent Claude Developer Platform · in the page api/beta/agents/create …-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `BetaManagedAgentsModelCon… List Agents Claude Developer Platform · in the page api/beta/agents/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optional Be… Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optional Be… Update Agent Claude Developer Platform · in the page api/beta/agents/update …-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `BetaManagedAgentsModelCon… Versions Claude Developer Platform · in the page api/beta/agents/versions …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optional Be… List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optional Be… Messages Claude Developer Platform · in the page api/beta/messages …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `to:… Batches Claude Developer Platform · in the page api/beta/messages/batches …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string`… Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string`… Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string`… Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `to:… Create a Message Claude Developer Platform · in the page api/beta/messages/create …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `to:… Sessions Claude Developer Platform · in the page api/beta/sessions …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `BetaManagedAg… Archive Session Claude Developer Platform · in the page api/beta/sessions/archive …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optio… Create Session Claude Developer Platform · in the page api/beta/sessions/create …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `BetaManagedAg… Events Claude Developer Platform · in the page api/beta/sessions/events …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… List Events Claude Developer Platform · in the page api/beta/sessions/events/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Stream Events Claude Developer Platform · in the page api/beta/sessions/events/stream …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… List Sessions Claude Developer Platform · in the page api/beta/sessions/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optio… Get Session Claude Developer Platform · in the page api/beta/sessions/retrieve …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optio… Threads Claude Developer Platform · in the page api/beta/sessions/threads …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Archive Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/archive …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Events Claude Developer Platform · in the page api/beta/sessions/threads/events …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… List Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Stream Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/stream …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… List Session Threads Claude Developer Platform · in the page api/beta/sessions/threads/list …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Get Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/retrieve …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort:… Update Session Claude Developer Platform · in the page api/beta/sessions/update …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `effort: optio… Completions Claude Developer Platform · in the page api/completions …et-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `prompt: string` The prompt t… Create a Text Completion Claude Developer Platform · in the page api/completions/create …et-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `prompt: string` The prompt t… Messages Claude Developer Platform · in the page api/messages …et-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `cache_control: optional CacheCo… Batches Claude Developer Platform · in the page api/messages/batches …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `cache_control: opti… Create a Message Batch Claude Developer Platform · in the page api/messages/batches/create …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `cache_control: opti… Retrieve Message Batch results Claude Developer Platform · in the page api/messages/batches/results …High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `role: "… Count tokens in a Message Claude Developer Platform · in the page api/messages/count_tokens …et-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `cache_control: optional CacheCo… Create a Message Claude Developer Platform · in the page api/messages/create …et-4-5"` High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` High-performance model for agents and coding - `string` - `cache_control: optional CacheCo… 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-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… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …pus-4-7`, `claude-opus-4-6`, `claude-sonnet-5`, `claude-sonnet-4-6`, `claude-sonnet-4-5-20250929`, `claude-opus-4-5-20251101`, `claude-haiku-4-5-20251001` - Platforms: Claude API, Claude Platform on A… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …pus-4-5-20251101`, legacy manual thinking only) * Claude Sonnet 4.5 (`claude-sonnet-4-5-20250929`, legacy manual thinking only) * Claude Haiku 4.5 (`claude-haiku-4-5-20251001`, legacy manual thinking… rate-limits-api Claude Developer Platform · in the page manage-claude/rate-limits-api …nd alias that counts against the group, including dated IDs (such as `claude-sonnet-4-5-20250929`) and undated aliases (such as `claude-sonnet-4-5`). Look up any model string you pass to the Messages… overview Claude Developer Platform · in the page models/sonnet-4-5/overview …models/sonnet-5/migration-guide#migrating-from-sonnet-45) Model ID: `claude-sonnet-4-5-20250929` Context window: 200K tokens · Max output: 64K tokens · Input pricing: $3 / MTok · Output pricing: $15…