57 pages for claude-sonnet-4-5-20250929.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
model-deprecations
Claude Developer Platform · in the page
about-claude/model-deprecations
…| N/A | Not sooner than February 17, 2027 | | claude-sonnet-4-5-20250929 | Deprecated | September 30, 2026 | November 30, 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
…claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-haiku-5-5 - claude-haiku-4-5-20251001 supportedPlatforms: Claude API: ga Cla…
Process results programmatically
Claude Developer Platform · in the page
agents-and-tools/tool-use/programmatic-tool-calling
…claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-haiku-5-5 supportedPlatforms: Claude API: ga Claude Platform on AWS: ga Micr…
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) ([deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations)) | `tool_search_too…
Beta
Claude Developer Platform · in the page
api/beta
…gh-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate…
Agents
Claude Developer Platform · in the page
api/beta/agents
…rmation. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5…
Archive Agent
Claude Developer Platform · in the page
api/beta/agents/archive
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
Create Agent
Claude Developer Platform · in the page
api/beta/agents/create
…rmation. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5…
List Agents
Claude Developer Platform · in the page
api/beta/agents/list
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
Get Agent
Claude Developer Platform · in the page
api/beta/agents/retrieve
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
Update Agent
Claude Developer Platform · in the page
api/beta/agents/update
…rmation. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5…
Versions
Claude Developer Platform · in the page
api/beta/agents/versions
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
List Agent Versions
Claude Developer Platform · in the page
api/beta/agents/versions/list
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
Messages
Claude Developer Platform · in the page
api/beta/messages
…gh-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate…
Batches
Claude Developer Platform · in the page
api/beta/messages/batches
…erformance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migr…
Create a Message Batch
Claude Developer Platform · in the page
api/beta/messages/batches/create
…erformance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migr…
Retrieve Message Batch results
Claude Developer Platform · in the page
api/beta/messages/batches/results
…erformance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migr…
Count tokens in a Message
Claude Developer Platform · in the page
api/beta/messages/count_tokens
…gh-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate…
Create a Message
Claude Developer Platform · in the page
api/beta/messages/create
…gh-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate…
Sessions
Claude Developer Platform · in the page
api/beta/sessions
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Archive Session
Claude Developer Platform · in the page
api/beta/sessions/archive
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Create Session
Claude Developer Platform · in the page
api/beta/sessions/create
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Events
Claude Developer Platform · in the page
api/beta/sessions/events
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
List Sessions
Claude Developer Platform · in the page
api/beta/sessions/list
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Get Session
Claude Developer Platform · in the page
api/beta/sessions/retrieve
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Threads
Claude Developer Platform · in the page
api/beta/sessions/threads
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
Events
Claude Developer Platform · in the page
api/beta/sessions/threads/events
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
Update Session
Claude Developer Platform · in the page
api/beta/sessions/update
…High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonn…
Completions
Claude Developer Platform · in the page
api/completions
…information. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5…
Create a Text Completion
Claude Developer Platform · in the page
api/completions/create
…information. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5…
Messages
Claude Developer Platform · in the page
api/messages
…information. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5…
Batches
Claude Developer Platform · in the page
api/messages/batches
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
Create a Message Batch
Claude Developer Platform · in the page
api/messages/batches/create
…ion. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet…
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"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-so…
Count tokens in a Message
Claude Developer Platform · in the page
api/messages/count_tokens
…information. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5…
Create a Message
Claude Developer Platform · in the page
api/messages/create
…information. High-performance model for agents and coding - `"claude-sonnet-4-5-20250929"` **Deprecated**: Will reach end-of-life on November 30, 2026. Please migrate to claude-sonnet-5-5…
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-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
…claude-sonnet-5-5 - claude-sonnet-5 - claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-opus-4-5-20251101 - claude-haiku-5-5 - claude-haiku-4-5-20251001 supportedPlatfo…
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`, [deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations), legacy manual thin…
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
…dels/sonnet-5-5/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…