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86 pages for claude-haiku-4-5.

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google-managed Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/google-managed …| `claude-haiku-4-5@20251001` | | Claude Haiku 3.5 ([deprecated](https://platform.claude.com/docs/en/about-claude/model-deprecations… overview Claude Developer Platform · in the page build-with-claude/claude-models-on-google-cloud/overview …r models earlier than Claude 4.6** | The Claude API ID<br />Example: `claude-haiku-4-5-20251001`… claude-on-amazon-bedrock-legacy Claude Developer Platform · in the page build-with-claude/claude-on-amazon-bedrock-legacy …| `anthropic.claude-haiku-4-5-20251001-v1:0` | Yes | Yes | Yes | No | No | ### List available models The following examples sho… claude-platform-on-aws Claude Developer Platform · in the page build-with-claude/claude-platform-on-aws …| `claude-haiku-4-5` | Model IDs are identical to the first-party Claude API. There are no Bedrock-style ARNs or `anthropic.` prefi… context-editing Claude Developer Platform · in the page build-with-claude/context-editing …enabled: true, contextTokenThreshold: 100000, model: "claude-haiku-4-5" } }); for await (const message of runner) { console.log(`Tokens used: ${message.usage.input… handling-stop-reasons Claude Developer Platform · in the page build-with-claude/handling-stop-reasons …eprecations)), you can try updating your API calls to use Haiku 4.5 (`claude-haiku-4-5-20251001`), which has different usage restrictions. Learn more about [understanding Sonnet 4.5's API safety filte… structured-outputs Claude Developer Platform · in the page build-with-claude/structured-outputs …-20250929 - claude-opus-4-5-20251101 - claude-haiku-5-5 - claude-haiku-4-5-20251001 supportedPlatforms: Claude API: ga Claude Platform on AWS: ga Amazon Bedrock: ga Claud… API usage primer for Claude Claude Developer Platform · in the page claude_api_primer …e Haiku 5.5: claude-haiku-5-5 Previous Haiku model: Claude Haiku 4.5: claude-haiku-4-5-20251001 ``` ## Calling the API ### Basic request and response <CodeGroup exclude="shell:cURL, typescript, csh… overview Claude Developer Platform · in the page models/haiku-4-5/overview …form.claude.com/docs/en/models/haiku-5-5/migration-guide) Model ID: `claude-haiku-4-5-20251001` Context window: 200K tokens · Max output: 64K tokens · Input pricing: $1 / MTok · Output pricing: $5 /… migration-guide Claude Developer Platform · in the page models/haiku-5-5/migration-guide …--------------- | | Claude API | `claude-haiku-4-5-20251001` or `claude-haiku-4-5` | `claude-haiku-5-5` | | Amazon Bedrock… migration-guide Claude Developer Platform · in the page models/sonnet-5-5/migration-guide …2-19`. * Review your prompts. ### Claude Haiku 4.5 only * Replace [`claude-haiku-4-5-20251001`](https://platform.claude.com/docs/en/models/sonnet-5-5/migration-guide#migrating-from-claude-haiku-4-5)… overview Claude Developer Platform · in the page release-notes/overview …5 * We've launched [Claude Haiku 4.5](https://www.anthropic.com/news/claude-haiku-4-5), our fastest and most intelligent Haiku model with near-frontier performance. Ideal for real-time applications,… claude-fable-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5 …trings 'claude-fable-5', 'claude-opus-4-8', 'claude-sonnet-4-6', and 'claude-haiku-4-5-20251001'. The person is able to switch models mid-conversation, so previous messages claiming to be from a diffe… claude-fable-5-1 Claude Developer Platform · in the page release-notes/system-prompts/claude-fable-5-1 …strings 'claude-fable-5-1', 'claude-opus-5', 'claude-sonnet-5', and 'claude-haiku-4-5-20251001'. The person is able to switch models mid-conversation, so previous messages claiming to be from a diffe… claude-opus-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-5 …ch 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 tool for agentic coding. Claude Code… claude-opus-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-6 …s 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 tool for agentic coding. Claude Code… claude-opus-4-7 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-7 …el strings for which are 'claude-opus-4-7', 'claude-sonnet-4-6', and 'claude-haiku-4-5-20251001' respectively. Claude is accessible through Claude Code, a tool for agentic coding that lets developers… claude-opus-4-8 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-4-8 …4-8', 'claude-opus-4-7', 'claude-opus-4-6', 'claude-sonnet-4-6', and 'claude-haiku-4-5-20251001'. The person is able to switch models mid-conversation, so previous messages claiming to be from a diffe… claude-opus-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5 …el strings 'claude-fable-5', 'claude-opus-5', 'claude-sonnet-5', and 'claude-haiku-4-5-20251001'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Mythos Preview, is… claude-opus-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-opus-5-5 …trings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5', and 'claude-haiku-4-5-20251001'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Mythos Preview, is… claude-sonnet-4-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-5 …ch 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 tool for agentic coding. **Claude… claude-sonnet-4-6 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-4-6 …el strings for which are 'claude-opus-4-6', 'claude-sonnet-4-6', and 'claude-haiku-4-5-20251001' respectively. Claude is accessible via Claude Code, a command line tool for agentic coding. Claude is a… claude-sonnet-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5 …ku 4.5, with model strings 'claude-opus-4-8', 'claude-sonnet-5', and 'claude-haiku-4-5-20251001'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Mythos Preview, is… claude-sonnet-5-5 Claude Developer Platform · in the page release-notes/system-prompts/claude-sonnet-5-5 …ings 'claude-fable-5-1', 'claude-opus-5-5', 'claude-sonnet-5-5', and 'claude-haiku-4-5-20251001'. Above Opus sits Anthropic's new Mythos tier. The first Mythos-class model, Claude Mythos Preview, is… overview Claude Developer Platform · in the page release-notes/system-prompts/overview …docs/en/release-notes/system-prompts/claude-opus-4-5" /> <Card id="claude-haiku-4-5" title="Claude Haiku 4.5" icon="file" href="https://platform.claude.com/docs/en/release-notes/system-prompts/clau… overview Claude Developer Platform · in the page resources/overview …de Haiku 4.5 System Card" icon="file" href="https://www.anthropic.com/claude-haiku-4-5-system-card"> Detailed documentation of Claude Haiku 4.5. </Card> <Card title="Claude Sonnet 4.5 System… Claude Code on Amazon Bedrock Claude Code CLI · in the page amazon-bedrock …claude-sonnet-4-6' export ANTHROPIC_DEFAULT_HAIKU_MODEL='us.anthropic.claude-haiku-4-5-20251001-v1:0' ``` These IDs use the `us.` cross-region inference profile prefix. If you use a different region… Claude apps gateway configuration Claude Code CLI · in the page claude-apps-gateway-config …provider: mantle region: us-east-1 models: [claude-opus-4-7, claude-haiku-4-5] # required auth: {} # AWS default credential chain - provider: bedrock reg… Claude Code on Claude Platform on AWS Claude Code CLI · in the page claude-platform-on-aws …ULT_SONNET_MODEL=claude-sonnet-5 export ANTHROPIC_DEFAULT_HAIKU_MODEL=claude-haiku-4-5 ``` For the full list of model IDs and aliases, see [Models overview](https://platform.claude.com/docs/en/about-… Claude Code on Google Cloud's Agent Platform Claude Code CLI · in the page google-vertex-ai …_SONNET_MODEL='claude-sonnet-5' export ANTHROPIC_DEFAULT_HAIKU_MODEL='claude-haiku-4-5@20251001' ``` For current and legacy model IDs, see [Models overview](https://platform.claude.com/docs/en/about-… Hooks reference Claude Code CLI · in the page hooks …he requested model | | `modelsUsed` | array | `["claude-sonnet-4-5", "claude-haiku-4-5"]` | Models used in order, with consecutive repeats collapsed; set only when the model was swapped mid-run | | `t… Claude Code on Microsoft Foundry Claude Code CLI · in the page microsoft-foundry …_SONNET_MODEL='claude-sonnet-5' export ANTHROPIC_DEFAULT_HAIKU_MODEL='claude-haiku-4-5' ``` Background tasks such as session title generation use the small/fast model, normally a Haiku-class model. O… Model configuration Claude Code CLI · in the page model-config …rray: ```json theme={null} { "fallbackModel": ["claude-sonnet-5", "claude-haiku-4-5"] } ``` The `--fallback-model` flag takes precedence over the `fallbackModel` setting. Each entry accepts a mode… Test plugins with evals Claude Code CLI · in the page plugin-evals …son \ --threshold 0.8 \ --model claude-sonnet-5 \ --judge-model claude-haiku-4-5 \ --no-publish \ --max-cost-usd 20 ``` The job's exit code tells you what happened: | Exit code | Meaning |… Claude Code settings Claude Code CLI · in the page settings …| `["claude-sonnet-5", "claude-haiku-4-5"]` | | `fastMode`… All settings Claude Code CLI · in the page settings-reference …settings.json theme={null} { "fallbackModel": ["claude-sonnet-5", "claude-haiku-4-5"] } ``` Unlike most array settings, this key doesn't merge across settings files: the highest-precedence file th…
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