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NewsClaude Haiku 5.5 Pricing: The 100K-Token Threshold Explained
Claude Haiku 5.5 has two prices depending on prompt length. Staying under the threshold keeps it among the cheapest models available.
Claude Haiku 5.5 costs $0.10 / $0.50 per 1M tokens for prompts up to 100,000 tokens and $0.50 / $2.50 above, according to Anthropic's pricing page.
The prices
| USD per 1M tokens | Prompts up to 100K | Prompts over 100K |
|---|---|---|
| Input | $0.10 | $0.50 |
| Cache reads | $0.01 | $0.05 |
| Output | $0.50 | $2.50 |
| Batch input / output | $0.05 / $0.25 | $0.25 / $1.25 |
Watch the tokenizer
Haiku 5.5 uses a newer tokenizer that counts the same text as about 30% more tokens. Compare cost per task, not just price per token.
Staying under 100K
- Trim chat history and keep summaries instead.
- Retrieve fewer, better chunks for RAG.
- Split long documents into separate calls where you can.
Where it fits
Anthropic positions Haiku for high-volume work such as classification, routing and extraction. See Claude Haiku 5.5 pricing and Haiku 5.5 vs GPT-6 Luna.
Frequently asked questions
How much does Claude Haiku 5.5 cost?
$0.10 per 1M input tokens and $0.50 per 1M output tokens for prompts up to 100,000 tokens; $0.50 and $2.50 above.
Why does Claude Haiku 5.5 count more tokens?
It uses a newer tokenizer that counts the same text as about 30% more tokens.
Sources: Anthropic's pricing page. Checked October 30, 2026.
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