Claude Haiku 5.5

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.

Input price
$0.10USD / 1M tokens
Output price
$0.50USD / 1M tokens
Cache read
$0.01USD / 1M tokens
Cache write
$0.13USD / 1M tokens
Context window
1M
Max output
128K

Specifications

CapabilitiesChatVisionReasoningStructured outputFunction calling
Input
Text, image
Output
Text
Available

Independent evaluations

Benchmarks

Scores on standardized evaluations, compared with other models on SandBase.

Metrics sourced from Artificial Analysis · Intelligence Index v5 · Updated 2026-10-29

Artificial Analysis Intelligence Index: a composite of ten evaluations across reasoning, knowledge, math and coding. Higher is better. Claude Haiku 5.5 ranks #9 of 21 models on SandBase.

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.

How does Anthropic Claude Haiku 5.5 score on benchmarks?

Anthropic Claude Haiku 5.5 scores 36.2 on the Artificial Analysis Intelligence Index (v5), ranking #9 of 21 models on SandBase. Source: Artificial Analysis, measured as Claude Haiku 5.5 (Max).

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.