68 pages for claude-sonnet-4-5.

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… working-with-messages Claude Developer Platform · in the page build-with-claude/working-with-messages …\ -H "content-type: application/json" \ -d '{ "model": "claude-sonnet-4-5", "max_tokens": 1, "messages": [ {"role": "user", "content": "What is latin for Ant? (A) Apo… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …va, php, ruby"> ```bash CLI ant messages create <<'YAML' model: claude-sonnet-4-5 max_tokens: 1 messages: - role: user content: "What is latin for Ant? (A) Apoidea, (B) Rhopalocera… inference-hooks-endpoint Claude Developer Platform · in the page manage-claude/inference-hooks-endpoint …, "session_id": "22222222-2222-2222-2222-222222222222", "model": "claude-sonnet-4-5", "messages": [ { "role": "user", "content": [ { "type": "text", "… 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… overview Claude Developer Platform · in the page release-notes/overview …ion`. * We announced the deprecation of the Claude Sonnet 4.5 model (`claude-sonnet-4-5-20250929`), with retirement on the Claude API scheduled for November 30, 2026. We recommend migrating to [Claude… claude-haiku-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-haiku-4-5 …5, the exact model strings for which are 'claude-opus-4-5-20251101', 'claude-sonnet-4-5-20250929', and 'claude-haiku-4-5-20251001' respectively.** Claude is accessible via Claude Code, a command line… claude-opus-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-5 …5, the exact model strings for which are 'claude-opus-4-5-20251101', 'claude-sonnet-4-5-20250929', and 'claude-haiku-4-5-20251001' respectively. Claude is accessible via Claude Code, a command line to… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …Haiku 4.5, the exact model strings for which are 'claude-opus-4-6', 'claude-sonnet-4-5-20250929', and 'claude-haiku-4-5-20251001' respectively. Claude is accessible via Claude Code, a command line to… overview Claude Developer Platform · in the page release-notes/system-prompts/overview …ocs/en/release-notes/system-prompts/claude-haiku-4-5" /> <Card id="claude-sonnet-4-5" title="Claude Sonnet 4.5" icon="file" href="https://platform.claude.com/docs/en/release-notes/system-prompts/cl… overview Claude Developer Platform · in the page resources/overview …e Sonnet 4.5 System Card" icon="file" href="https://www.anthropic.com/claude-sonnet-4-5-system-card"> Detailed documentation of Claude Sonnet 4.5. </Card> <Card title="Claude Opus 4.1 System… Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …` region | | Small/fast model | Sonnet 4.5, for example `us.anthropic.claude-sonnet-4-5-20250929-v1:0` in a `us-*` region | Background tasks such as session title generation use the small/fast model,… Claude Code on Google Cloud's Agent Platform Claude Code CLI · in the page google-vertex-ai …:- | :- | | Primary model | `claude-opus-5-5` | | Small/fast model | `claude-sonnet-4-5@20250929` | Background tasks such as session title generation use the small/fast model, normally a Haiku-class… Hooks reference Claude Code CLI · in the page hooks …about that hand-back in their place | | `resolvedModel` | string | `"claude-sonnet-4-5"` | Model the subagent started on, which may differ from the requested model | | `modelsUsed` | array | `["claud… Claude Code gateway compatibility guide Claude Code CLI · in the page llm-gateway-protocol …fixed IDs such as `vertex_ai/claude-sonnet-4-6` or `bedrock/anthropic.claude-sonnet-4-5` pass the filter; an ID that contains neither substring doesn't. Before v2.1.223, Claude Code kept an entry only… Model configuration Claude Code CLI · in the page model-config …ries match a model family such as `sonnet`, a version prefix such as `claude-sonnet-4-5`, or a full model ID such as `claude-sonnet-4-5-20250929`. A version prefix also matches later model IDs that ex… Deploy with Enterprise Admin Console Claude Documentation · in the page third-party/claude-desktop/admin-console …he identifier can be a resource path that includes your project ID | `claude-sonnet-4-5` | | The date and time of the counted activity | `2026-08-27T21:00:01Z` | | A random identifier for the conversa…