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Claude Haiku 5.5 API pricing and integration

Claude Haiku 5.5 API with separate rates for requests up to 100,000 input tokens and longer requests. Both Anthropic Messages and OpenAI-compatible Chat Completions are available.

Use this model via API

This model is available through the paid API. Create an account, add funds and create an API key. The $2 Playground credit is for supported text models only, not API calls.

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Anthropic nativeCodingVisionTiered pricing
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Paste the model ID, live price, base URL and a working request straight into your coding agent.

Anthropic
claude-haiku-5-5
Input / 1M tokens$0.100$0.100
Output / 1M tokens$0.500$0.500
Cached input / 1M tokens$0.010$0.010

Base-tier rates shown; longer requests can cost more. Monthly estimates assume every request stays in the first tier.

Model ID
claude-haiku-5-5
Provider
Anthropic
Endpoint
/v1/chat/completions
Task
chat
Input modalities
Text, image
Output modalities
Text

What is Claude Haiku 5.5?

Use claude-haiku-5-5 for this version; claude-haiku-4-5 is a different model. The important billing boundary is 100,000 input tokens per request. Longer requests use the second tier for input, output and caching, so a monthly total alone does not determine cost. Compare the complete tier table before budgeting document processing, chat or coding workloads. API access requires a funded API balance.

Drop-in OpenAI compatibility

Works with the OpenAI SDKs, LangChain, Cursor, Cline and any tool that accepts a custom base URL.

Streaming and tool use

Server-sent events, function calling and JSON output behave the way the upstream model documents them.

Live usage pricing

The rates come from Crazyrouter's billing table; discounts vary by model.

One account for every model

Compare against Claude, GPT, Gemini, DeepSeek and more without juggling vendor accounts.

Claude Haiku 5.5 API quickstart

Point your OpenAI SDK at https://api.crazyrouter.com/v1 and set the model to claude-haiku-5-5. If your client speaks Anthropic Messages natively, use the second example instead.

cURL
curl https://api.crazyrouter.com/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $CRAZYROUTER_API_KEY" \
  -d '{
    "model": "claude-haiku-5-5",
    "messages": [{"role": "user", "content": "Explain the tradeoffs of this architecture decision."}],
    "stream": true
  }'
Show OpenAI-compatible migration example
cURL
curl https://api.crazyrouter.com/v1/messages \
  -H "Content-Type: application/json" \
  -H "x-api-key: $CRAZYROUTER_API_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -d '{
    "model": "claude-haiku-5-5",
    "max_tokens": 2048,
    "messages": [{"role": "user", "content": "Explain the tradeoffs of this architecture decision."}],
    "stream": true
  }'

Where to buy claude-haiku-5-5: price by provider

Published provider prices per 1M tokens, input (dark) / output (light). Provider listings do not identify Crazyrouter upstream routes.

Base-tier rates shown; longer requests can cost more. Monthly estimates assume every request stays in the first tier.

List$0.100 / $0.500Azure$0.100 / $0.500Bedrock$0.100 / $0.500Vertex AI$0.100 / $0.500Crazyrouter$0.100 / $0.500

What that means in practice

Base-tier rates shown; longer requests can cost more. Monthly estimates assume every request stays in the first tier.

Chatbot · per month
$23
100k conversations × 800 in / 300 out
Document pipeline · per 1k docs
$1.55
8k in / 1.5k out each
Coding agent · per dev / month
$0.40
2M in / 400k out

Best use cases

Coding assistants and agent loops with tool calls
Long-document analysis, summarisation and extraction
Customer-facing chat with streaming responses
Evaluation and A/B tests across model vendors
Batch classification, tagging and structured extraction
Technical writing, design docs and code review

Works with developer tools

OpenAI SDKs

Set base_url to https://api.crazyrouter.com/v1 and model to claude-haiku-5-5.

Cursor, Cline, Continue

Add Crazyrouter as a custom OpenAI-compatible provider and pick the model from the list.

LangChain / LlamaIndex

Use the OpenAI chat model class with the Crazyrouter base URL.

Claude Code / Codex CLI

Follow the Crazyrouter deployment guides to point either CLI at your key.

Claude Haiku 5.5 FAQ

What base URL do I use for Claude Haiku 5.5?

https://api.crazyrouter.com/v1. Chat completions go to /v1/chat/completions; native Anthropic Messages requests use their usual path.

How is usage billed?

Per token, at the input/output rates shown on this page. Your balance is debited per request; there is no subscription. Base-tier rates shown; longer requests can cost more. Monthly estimates assume every request stays in the first tier.

Does it support streaming and function calling?

Yes. Set stream: true and pass tools as you would with the upstream API. Behaviour follows the upstream model.

Can I switch to another model later?

Change the model string. The same key works for every model in the Crazyrouter catalogue.

Where do I see the current price?

The pricing page lists live rates for every model, including group discounts if you are logged in.