Docs search: haiku / Claude Code source intelligence

From Haiku 3.5 Claude Developer Platform · title models/haiku-4-5/migration-guide

claude-haiku-3 Claude Developer Platform · title release-notes/system-prompts/claude-haiku-3

claude-haiku-3-5 Claude Developer Platform · title release-notes/system-prompts/claude-haiku-3-5

claude-haiku-4-5 Claude Developer Platform · title release-notes/system-prompts/claude-haiku-4-5

overview Claude Developer Platform · path models/haiku-4-5/overview

choosing-a-model Claude Developer Platform · in the page about-claude/models/choosing-a-model …ations, starting with a faster, more cost-effective model like Claude Haiku 4.5 can be the optimal approach: 1. Begin implementation with Claude Haiku 4.5. 2. Test your use case thoroughly. 3. Evalua…

Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …optimization guidance. ### Migrating to Claude Sonnet 5 from Claude Haiku 4.5 Claude Haiku 4.5 and Claude Sonnet 5 differ more at the API level than adjacent models within one class: Claude Haiku 4…

model-ids-and-versions Claude Developer Platform · in the page about-claude/models/model-ids-and-versions …r}-{YYYYMMDD} ``` For example: `claude-sonnet-4-5-20250929`, `claude-haiku-4-5-20251001` On Amazon Bedrock, these use the format: ```text wrap anthropic.claude-{name}-{major}-{minor}-{YYYYMMDD}-v1:…

optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …lowest to highest cost and capability, the current models are Claude Haiku 4.5, Claude Sonnet 5, Claude Opus 5.5, and Claude Fable 5.1 (the frontier model); [Models overview](https://platform.claude.…

content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …of your data. If costs are a concern, a smaller model such as Claude Haiku 4.5 is an excellent choice because of its cost-effectiveness. The following is an estimate of the cost to moderate text for…

customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …iple prompts including RAG, tool use, or long-context prompts, Claude Haiku 4.5 may be more suitable to optimize for latency. ### Build a strong prompt Using Claude for customer support requires Cla…

Create the full URL from the GitHub repository Claude Developer Platform · in the page about-claude/use-case-guides/legal-summarization …come a concern, you can also try using a smaller model such as Claude Haiku 4.5. To help estimate these costs, the following is a comparison of the cost to summarize 1,000 sublease agreements using O…

Create an instance of the Claude API client Claude Developer Platform · in the page about-claude/use-case-guides/ticket-routing …cost, accuracy, and response time. Many customers have found `claude-haiku-4-5-20251001` an ideal model for ticket routing, as it is the fastest and most cost-effective model in the Claude 4 family w…

PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/best-practices …lan to use it with. **Testing considerations by model:** * **Claude Haiku** (fast, economical): Does the Skill provide enough guidance? * **Claude Sonnet** (balanced): Is the Skill clear and efficie…

enterprise Claude Developer Platform · in the page agents-and-tools/agent-skills/enterprise …edge cases. Require testing across the models your organization uses (Haiku, Sonnet, Opus), because Skill effectiveness varies by model. For detailed guidance on building evaluations, see [evaluation…

advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …r; Claude Fable 5.1 maximizes the quality lift. * **You currently use Haiku and want a step up in intelligence:** Add an Opus or Fable advisor. Expect higher cost than Haiku alone, but lower than swit…

code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …- claude-sonnet-4-6 - claude-sonnet-4-5-20250929 - claude-haiku-4-5-20251001 supportedPlatforms: Claude API: ga Claude Platform on AWS: ga Amazon Bedrock: not available G…

computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …ter_20250124` | `computer-use-2025-01-24` | Claude Sonnet 4.5, Claude Haiku 4.5, Claude Opus 4.1 ([retired, except on Bedrock and Google Cloud](https://platform.claude.com/docs/en/about-claude/model-d…

overview Claude Developer Platform · in the page agents-and-tools/tool-use/overview …| 315 tokens | | Claude Haiku 4.5 | 4…

Process results programmatically Claude Developer Platform · in the page agents-and-tools/tool-use/programmatic-tool-calling …s-and-tools/tool-use/code-execution-tool#tool-versions). - Claude Haiku 4.5 accepts the `code_execution_20260120` and later tool versions but doesn't support programmatic tool calling. --- Progra…

tool-search-tool Claude Developer Platform · in the page agents-and-tools/tool-use/tool-search-tool …rch_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | | Claude Haiku 4.5 (claude-haiku-4-5-20251001) | `tool_search_tool_regex_20251119`, `tool_search_tool_bm25_20251119` | Claude Opus 4.1 a…

Beta Claude Developer Platform · in the page api/beta …ination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5…

Agents Claude Developer Platform · in the page api/beta/agents …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest model w…

Archive Agent Claude Developer Platform · in the page api/beta/agents/archive …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest m…

Create Agent Claude Developer Platform · in the page api/beta/agents/create …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest model w…

List Agents Claude Developer Platform · in the page api/beta/agents/list …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest m…

Get Agent Claude Developer Platform · in the page api/beta/agents/retrieve …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest m…

Update Agent Claude Developer Platform · in the page api/beta/agents/update …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest model w…

Versions Claude Developer Platform · in the page api/beta/agents/versions …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest m…

List Agent Versions Claude Developer Platform · in the page api/beta/agents/versions/list …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fastest m…

Messages Claude Developer Platform · in the page api/beta/messages …ination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5…

Batches Claude Developer Platform · in the page api/beta/messages/batches …ion of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-h…

Create a Message Batch Claude Developer Platform · in the page api/beta/messages/batches/create …ion of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-h…

Retrieve Message Batch results Claude Developer Platform · in the page api/beta/messages/batches/results …ion of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-h…

Count tokens in a Message Claude Developer Platform · in the page api/beta/messages/count_tokens …ination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5…

Create a Message Claude Developer Platform · in the page api/beta/messages/create …ination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5…

Sessions Claude Developer Platform · in the page api/beta/sessions …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fas…

Archive Session Claude Developer Platform · in the page api/beta/sessions/archive …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fas…

Create Session Claude Developer Platform · in the page api/beta/sessions/create …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fas…

Events Claude Developer Platform · in the page api/beta/sessions/events …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

List Events Claude Developer Platform · in the page api/beta/sessions/events/list …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

Stream Events Claude Developer Platform · in the page api/beta/sessions/events/stream …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

List Sessions Claude Developer Platform · in the page api/beta/sessions/list …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fas…

Get Session Claude Developer Platform · in the page api/beta/sessions/retrieve …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"` Fas…

Threads Claude Developer Platform · in the page api/beta/sessions/threads …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

Archive Session Thread Claude Developer Platform · in the page api/beta/sessions/threads/archive …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

Events Claude Developer Platform · in the page api/beta/sessions/threads/events …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…

List Session Thread Events Claude Developer Platform · in the page api/beta/sessions/threads/events/list …Best combination of speed and intelligence - `"claude-haiku-4-5"` Fastest model with near-frontier intelligence - `"claude-haiku-4-5-20251001"`…