ANTHROPIC MODEL TOKEN COUNTER

claude-sonnet-4-20250514 Token Counter

Count tokens for claude-sonnet-4-20250514 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-sonnet-4-20250514 tokens.

Tokens

0

Words

0

Characters

0

Input cost

$0.00

Output cost

$0.00

Total request

$0.00

1,000,000 token context window 0%

Need optimization suggestions, a token heatmap, monthly cost projection, or a side-by-side model comparison? Open the full analyzer with claude-sonnet-4-20250514 preselected.

claude-sonnet-4-20250514 at a glance

Provider. Anthropic

Context window. 1,000,000 tokens (about 750,000 English words).

API pricing. $3.00 input / $15.00 output per 1M tokens.

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

Pricing source. The community-maintained LiteLLM pricing dataset, refreshed 2026-07-01. Community-tracked rates can lag provider changes; confirm with the provider before budgeting.

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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-sonnet-4-20250514 prices against other providers.

FAQ

claude-sonnet-4-20250514 token counter FAQ

How do I count tokens for claude-sonnet-4-20250514?

Paste your prompt into the counter on this page. Anthropic does not publish the claude-sonnet-4-20250514 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-sonnet-4-20250514 cost per token?

claude-sonnet-4-20250514 costs $3.00 per 1 million input tokens and $15.00 per 1 million output tokens, based on the community-maintained LiteLLM pricing dataset checked 2026-07-01.

What is the context window of claude-sonnet-4-20250514?

claude-sonnet-4-20250514 has a context window of 1,000,000 tokens, which is roughly 750,000 English words of combined prompt and response. The counter above shows how much of that window your text consumes.

Is this claude-sonnet-4-20250514 token count exact?

No. It is a clearly labeled estimate, because Anthropic has not released a public tokenizer for claude-sonnet-4-20250514. Estimates are usually within a reasonable range for English text but can drift for code, JSON, or non-English languages.