ANTHROPIC MODEL TOKEN COUNTER

Claude Haiku 4.5 Token Counter

Count tokens for Claude Haiku 4.5 and estimate API cost before you send a request. Anthropic does not publish this tokenizer, so counts are calibrated estimates for planning.Your text never leaves the browser.

PROMPT

Paste text to count Claude Haiku 4.5 tokens.

Expected output

Tokens

Words

Characters

Input cost

$0.00

Output cost

$0.00

Total request

$0.00

200,000 token context window0%

Need optimization suggestions, a token heatmap, monthly cost projection, or a side-by-side model comparison? Open the full analyzer with Claude Haiku 4.5 preselected.

Claude Haiku 4.5 at a glance

Provider. Anthropic

Context window. 200,000 tokens (about 150,000 English words).

API pricing. $1.00 input / $5.00 output per 1M tokens.

Tokenizer. Not public; counts on this page are calibrated estimates.

Pricing source. Official Anthropic pricing page, checked 2026-08-11. Prices in the catalog were last refreshed 2026-08-11 and are estimates, not quotes.

Other Anthropic model token counters

Claude Fable 5 Claude Opus 5 Claude Sonnet 5 Claude Opus 4.8 Claude Sonnet 4.6 Claude Sonnet 4.5 claude-3-7-sonnet-20250219 claude-3-haiku-20240307 claude-3-opus-20240229 claude-4-opus-20250514 claude-4-sonnet-20250514 claude-haiku-4-5-20251001 claude-opus-4-1 claude-opus-4-1-20250805 claude-opus-4-20250514 claude-opus-4-5 claude-opus-4-5-20251101 claude-opus-4-6

See the Claude Token Counter for all Anthropic models in one counter. Or browse the full model token counter directory and the LLM pricing comparison table to see how Claude Haiku 4.5 prices against other providers.

FAQ

Claude Haiku 4.5 token counter FAQ

How do I count tokens for Claude Haiku 4.5?

Paste your prompt into the counter on this page. Anthropic does not publish the Claude Haiku 4.5 tokenizer, so the count is a calibrated estimate based on text length, language, and structure. Treat it as planning guidance rather than an exact billing number.

How much does Claude Haiku 4.5 cost per token?

Claude Haiku 4.5 costs $1.00 per 1 million input tokens and $5.00 per 1 million output tokens, based on official Anthropic pricing checked 2026-08-11.

What is the context window of Claude Haiku 4.5?

Claude Haiku 4.5 has a context window of 200,000 tokens, which is roughly 150,000 English words of combined prompt and response. The counter above shows how much of that window your text consumes.

Is this Claude Haiku 4.5 token count exact?

No. It is a clearly labeled estimate, because Anthropic has not released a public tokenizer for Claude Haiku 4.5. Estimates are usually within a reasonable range for English text but can drift for code, JSON, or non-English languages.