Claude Haiku 5.5

Anthropic · Released October 2026

Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use.

It belongs to Anthropic's Claude family: Opus is the deep-capability tier and Claude Opus 5.5 leads it, Sonnet balances quality and speed, Fable is the most recently introduced line, and Haiku is the light tier.

Facts and pricing

Provider

Anthropic

Context window

1M tokens

Input price

1.2 credits / 1M tokens ($0.10 raw)

Output price

6.0 credits / 1M tokens ($0.50 raw)

Vision (image input)

Yes

Tool calling

Yes

Extended reasoning

No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.

Try Claude Haiku 5.5 now

What Claude Haiku 5.5 is best for

• High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
• Very long documents and codebases: a 1M-token window fits entire books or repositories in one conversation
• Working with images: screenshots, charts, photos and scanned documents alongside text
• Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a fast and light model like Claude Haiku 5.5:

• Summarize this article in five bullet points
• Rewrite this email to be shorter and friendlier
• Give me ten name ideas for a hiking newsletter
• Translate this paragraph to Spanish and keep the tone

Anthropic family

All 29 Anthropic models

Frequently asked questions

What is Claude Haiku 5.5?

Claude Haiku 5.5 is an AI model by Anthropic. Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use.

How much does Claude Haiku 5.5 cost on Zeplik?

Input tokens cost 1.2 credits per million and output tokens 6.0 credits per million (1 credit = $0.10; the raw provider rates are $0.10 and $0.50 per million). New accounts start with free credits.

How long can a conversation with Claude Haiku 5.5 be?

Claude Haiku 5.5 has a 1M-token context window (1,000,000 tokens), which covers the conversation plus any documents you attach.

Does Claude Haiku 5.5 support images and tools?

Claude Haiku 5.5 accepts image input and supports tool calling.

Related models