Anthropic · Text
Claude Haiku 5.5 API pricing
anthropic/claude-haiku-5.5
Fast, low-cost chat. Claude Haiku 5.5 by Anthropic, routed through INFRO on a Anthropic account you connect — alongside every other provider you run. Anthropic bills you for it directly, on that account and at your own rate. INFRO adds routing, failover, request logs, cost attribution and policy around it, and takes no part of what you pay Anthropic.
Pricing
Anthropic rate
$0.20
per 1M tokens, billed to you by Anthropic
INFRO adds
$0
0% markup on model spend
Per-token rates
$0.10 / 1M input tokens·$0.50 / 1M output tokens
The headline figure above is these two blended at a 3:1 input:output ratio, so one number is comparable across modalities. Your own ratio will move it.
Calling Claude Haiku 5.5
POST /v1/chat/completionsimport os
from openai import OpenAI
client = OpenAI(
api_key=os.environ["INFRO_API_KEY"],
base_url="https://api.infro.io/v1",
)
response = client.chat.completions.create(
model="anthropic/claude-haiku-5.5",
messages=[{"role": "user", "content": "Hello"}],
)What this modality supports
- Streaming
- Tool calling
- Structured outputs
- Prompt caching
Frontier and open-weight language models behind an OpenAI-compatible endpoint. Streaming, tool calling, structured outputs, and vision pass straight through — and prompt caching is priced at the provider's own cached rate.
Providers that serve Claude Haiku 5.5
You request "anthropic/claude-haiku-5.5" from INFRO; it sends each provider the id that provider expects. Connect your own account with any of them, and INFRO routes and fails over between the ones you connect.
| Provider | Model id sent |
|---|---|
| Anthropic | claude-haiku-5-5 |
| Google Vertex AI | claude-haiku-5-5 |
| OpenRouter | anthropic/claude-haiku-5.5 |
Alternatives for fast, low-cost chat
Same modality, nearest in price. All of them share the request shape above, so comparing them is a one-word change.
More Anthropic models
All Anthropic models- Claude Fable 5anthropic/claude-fable-5$10 / $50
- Claude Fable 5.1anthropic/claude-fable-5.1$10 / $50
- Claude Opus 5.5anthropic/claude-opus-5.5$4.00 / $20
- Claude Opus 5anthropic/claude-opus-5$5.00 / $25
- Claude Sonnet 5.5anthropic/claude-sonnet-5.5$2.00 / $10
- Claude Sonnet 5anthropic/claude-sonnet-5$2.00 / $10
Claude Haiku 5.5: questions
- How much does the Claude Haiku 5.5 API cost?
- Anthropic's published list rate for Claude Haiku 5.5 is $0.10 per 1M input tokens and $0.50 per 1M output tokens, with cached input at $0.01 per 1M tokens (checked 2026-10-05). The provider account you connect bills you at the rate on that account, so a negotiated rate replaces the list rate. INFRO adds 0% to model spend.
- Which providers serve Claude Haiku 5.5?
- In INFRO's provider registry, Claude Haiku 5.5 can be served by Anthropic, Google Vertex AI and OpenRouter. You connect your own account with any of them, and INFRO routes and fails over between the ones you connect.
- What is the Claude Haiku 5.5 model ID?
- Request it from INFRO as "anthropic/claude-haiku-5.5". INFRO sends each provider its own id: Anthropic "claude-haiku-5-5", Google Vertex AI "claude-haiku-5-5", OpenRouter "anthropic/claude-haiku-5.5".
- How do I call Claude Haiku 5.5 through an OpenAI-compatible API?
- Point an OpenAI SDK, or any HTTP client, at https://api.infro.io/v1 with an INFRO gateway key and send model "anthropic/claude-haiku-5.5" to POST /v1/chat/completions. INFRO runs the request on a provider account you connected and returns the provider's response with an estimated cost.
- Does INFRO mark up Claude Haiku 5.5 usage?
- No. Anthropic or the provider you connect bills model usage to your own account. INFRO charges a software subscription for routing, failover, observability, budgets and policy, and takes 0% of model spend.
Work out what Claude Haiku 5.5 would cost you
Put your monthly usage of this model into the calculator to see the provider cost on your own account and the INFROsubscription side by side, never summed.