Claude Haiku 5.5

Name: Anthropic Claude Haiku 5.5
Price: 0.1 USD
Availability: InStock
Author: Anthropic

anthropic/claude-haiku-5.5

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, classification, compaction, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and knowledge work, adds an adjustable effort setting, and accepts text, image, and file input with a 1M-token context window.

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Input price: $0.10USD / 1M tokens
Output price: $0.50USD / 1M tokens
Context window: 1M
Max output: 128K

Production route

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Prompt

Image URL or upload

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1M context128K max outputVision

Input$0.10/MOutput$0.50/MCache read$0.01/MCache write$0.13/M

OutputReady

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Model card

Specifications

Pricing

Input: $0.10 / 1M tokens
Output: $0.50 / 1M tokens
Cache read: $0.01 / 1M tokens
Cache write: $0.13 / 1M tokens

Context & modalities

Context window: 1,000,000 tokens
Max output: 128,000 tokens
Input: Text, image
Output: Text

Capabilities

Chat: Supported
Vision: Supported
Reasoning: Supported
Structured output: Supported
Function calling: Supported
Audio input: Not supported

Access

Provider: Anthropic
Model ID: anthropic/claude-haiku-5.5
Execution: sync
Base URL: https://api.sandbase.ai
API: Chat Completions API
Endpoint: /v1/chat/completions
API: Messages API
Endpoint: /v1/messages

Start building

Send your first request

Choose either supported API with unified authentication and usage tracking.

Production API

Chat Completions API endpoint

https://api.sandbase.ai/v1/chat/completions

Model ID

anthropic/claude-haiku-5.5

# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/chat/completions" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "anthropic/claude-haiku-5.5",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ],
  "max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"

Choose your model

Compare models

All language models

Model	Context	Input / 1M	Output / 1M	Released
Claude Haiku 5.5This model `Anthropic`	1M	$0.10	$0.50	Oct 7, 2026
Claude Fable 5.5 `Anthropic`	—	Coming soon	Coming soon	Coming soon
Claude Sonnet 5.5 `Anthropic`	1M	$2.00	$10.00	Sep 28, 2026
Claude Opus 5.5 `Anthropic`	1M	$4.00	$20.00	Sep 22, 2026
Claude Fable 5.1 `Anthropic`	1M	$10.00	$50.00	Sep 1, 2026
Claude Opus 5 `Anthropic`	1M	$5.00	$25.00	Jul 25, 2026

Questions

FAQ

How do I call Anthropic Claude Haiku 5.5 through SandBase?

Create a SandBase API key, then send requests with the model ID "anthropic/claude-haiku-5.5" to Chat Completions API (/v1/chat/completions) or Messages API (/v1/messages) at https://api.sandbase.ai. The request examples on this page show the exact payload.

How much does Anthropic Claude Haiku 5.5 cost?

$0.10 per 1M input tokens and $0.50 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.

What is the context window of Anthropic Claude Haiku 5.5?

1M tokens of context, with up to 128K output tokens per response.

Which features does Anthropic Claude Haiku 5.5 support?

Anthropic Claude Haiku 5.5 supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.

Do I need a separate Anthropic account?

No. One SandBase API key and balance gives you access to Anthropic Claude Haiku 5.5 and the other models in the catalog; you do not need to sign up with Anthropic separately.