173 pages for haiku.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Claude Code gateway compatibility guide
Claude Code CLI · in the page
llm-gateway-protocol
…sks](/docs/en/costs#background-token-usage) unless `ANTHROPIC_DEFAULT_HAIKU_MODEL` pins one | The default Sonnet model, or the main model once one is selected, as the [Amazon Bedrock](/docs/en/amazon-…
Roll out an LLM gateway for your organization
Claude Code CLI · in the page
llm-gateway-rollout
…tches your configuration | | `ANTHROPIC_MODEL` or [`ANTHROPIC_DEFAULT_HAIKU_MODEL`](/docs/en/model-config) | Set which model name Claude Code requests for the main session and for background traffic |…
Connect Claude Code to tools via MCP
Claude Code CLI · in the page
mcp
…odel that supports `tool_reference` blocks: Claude Sonnet 4.5, Claude Haiku 4.5, Claude Opus 4.5, and later models. See [model compatibility in the API docs](https://platform.claude.com/docs/en/agents…
Claude Code on Microsoft Foundry
Claude Code CLI · in the page
microsoft-foundry
…variables in step 4: * Claude Opus * Claude Sonnet * Claude Haiku When you configure a deployment, you also choose its [hosting option](https://platform.claude.com/docs/en/build-with-cla…
Model configuration
Claude Code CLI · in the page
model-config
…us`** | Uses the latest Opus model for complex reasoning tasks | | **`haiku`** | Uses the fast and efficient Haiku model for simple tasks | | **`sonnet[1m]`** | Uses Sonnet with a [1 million token con…
Choose a permission mode
Claude Code CLI · in the page
permission-modes
…, and the Fable models. Older models, including Sonnet 4.5, Opus 4.5, Haiku, and claude-3 models, are not supported on any provider. * **Provider**: available by default on the Anthropic API, Claude P…
Test plugins with evals
Claude Code CLI · in the page
plugin-evals
…--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 | | :- |…
How Claude Code uses prompt caching
Claude Code CLI · in the page
prompt-caching
…_PROMPT_CACHING` | Disable for all models | | `DISABLE_PROMPT_CACHING_HAIKU` | Disable for the default Haiku model | | `DISABLE_PROMPT_CACHING_SONNET` | Disable for Sonnet only | | `DISABLE_PROMPT_CAC…
Manage sessions
Claude Code CLI · in the page
sessions
…, written by a background request to the small/fast model, normally a Haiku-class model. A `claude -p` run you start directly from a shell or script doesn't get one. Accepting a plan replaces the g…
Claude Code settings
Claude Code CLI · in the page
settings
…| `["sonnet", "haiku"]` | | `awaySummar…
All settings
Claude Code CLI · in the page
settings-reference
…y model is available This example lets people select only Sonnet and Haiku models: ```json settings.json theme={null} { "availableModels": ["sonnet", "haiku"] } ``` A model ID entry such as `"cla…
Create custom subagents
Claude Code CLI · in the page
sub-agents
…s * **Control costs** by routing tasks to faster, cheaper models like Haiku Claude uses each subagent's description to decide when to delegate tasks. When you create a subagent, write a clear descrip…
Enterprise deployment overview
Claude Code CLI · in the page
third-party-integrations
…OPUS_MODEL`, `ANTHROPIC_DEFAULT_SONNET_MODEL`, and `ANTHROPIC_DEFAULT_HAIKU_MODEL`. Without pinning, model aliases resolve to Claude Code's built-in default for that provider, which can lag the newest…
Tools reference
Claude Code CLI · in the page
tools-reference
…` notice](#read-tool-behavior) doesn't count. Claude Opus 4.6, Claude Haiku 4.5, and older models always require the read. Newer models can edit an unread file when reading it wouldn't need a permissi…
Week 27 · June 29 – July 3, 2026
Claude Code CLI · in the page
whats-new/2026-w27
…erits the main session's model (capped at Opus) instead of running on Haiku</div> <div>Background agents launched from <code>claude agents</code> now commit, push, and open a draft PR when they fi…
Configuration reference
Claude Documentation · in the page
third-party/claude-desktop/configuration
…r mapping** (`anthropicFamilyTier`) tells the app which Claude tier (`haiku`/`sonnet`/`opus`/`fable`/`mythos`) an entry stands in for, so bare tier aliases (e.g. in Code sessions) resolve to your mode…
Client Best Practices
Model Context Protocol · in the page
docs/2024-11-05/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Client Best Practices
Model Context Protocol · in the page
docs/2025-03-26/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Client Best Practices
Model Context Protocol · in the page
docs/2025-06-18/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Client Best Practices
Model Context Protocol · in the page
docs/2025-11-25/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Client Best Practices
Model Context Protocol · in the page
docs/2026-07-28/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Client Best Practices
Model Context Protocol · in the page
docs/draft/develop/clients/client-best-practices
…sed**: A secondary model, often a small and fast model such as Claude Haiku or Gemini Flash, selects tools for the task. This usually works very well but can be more costly than embedding-based or key…
Schema Reference
Model Context Protocol · in the page
specification/2025-06-18/schema
…/p> <ul> <li><code>gemini-1.5-flash</code> could match <code>claude-3-haiku-20240307</code></li> </ul> </div></section> </div> <div class="type"> ### `ModelPreferences` <div class="tsd-signature…