Claude Token Calculator
Count tokens and estimate the cost of Anthropic Claude Opus 4.5, Sonnet 4.5, Haiku 4.5, Opus 4.1/4, Sonnet 4, 3.7 Sonnet, 3.5 Sonnet/Haiku, 3 Opus and 3 Haiku — free tokenizer that runs in your browser.
Claude Token Calculator is a free online ai tool from FastDailyTools (Estimate Claude tokens and Anthropic API cost.). Count tokens and estimate the cost of Anthropic Claude Opus 4.5, Sonnet 4.5, Haiku 4.5, Opus 4.1/4, Sonnet 4, 3.7 Sonnet, 3.5 Sonnet/Haiku, 3 Opus and 3 Haiku — free tokenizer that runs in your browser. It runs entirely in your browser — no sign-up, no account, no email and no upload — and every result can be exported as a dated PDF report.
- ✔ Price: free, unlimited use, no rate limits
- ✔ Sign-up: not required
- ✔ Privacy: all math runs client-side, nothing is uploaded
- ✔ Export: one-click PDF report (2026 rates)
Related US Keyword Searches
Popular long-tail searches from US users — jump straight to the tool.
- gpt token calculator
- chatgpt api pricing calculator
- ai api cost calculator
- openai vs claude cost
- gemini pricing calculator
- gemini pro token cost
- paypal fee calculator
- paypal invoice fee calculator
- etsy fee calculator
- how much does etsy take
- shopify profit calculator
- shopify revenue checker
- reverse vat calculator
- vat calculator
- salary to hourly calculator
- annual salary to hourly rate
- freelance hourly rate calculator
- contractor rate calculator usa
Related UK Keyword Searches
Long-tail searches trending across the UK & Ireland — click to open the matching tool.
- gpt token calculator uk
- chatgpt api pricing calculator uk 2026
- ai api cost calculator uk
- openai vs claude cost uk 2026
- gemini pricing calculator uk
- gemini pro token cost uk 2026
- paypal fees uk
- etsy fees uk
- shopify profit calculator uk
- shopify revenue checker uk 2026
- uk vat calculator 20%
- salary to hourly calculator uk
- annual salary to hourly rate uk 2026
- freelance hourly rate calculator uk
- contractor rate calculator usa uk 2026
- solar panel calculator uk
- solar payback calculator uk 2026
- meta tag generator uk
How to use Claude Token Calculator
- Paste your text.
- Pick a Claude model (Opus 4.5, Sonnet 4.5, Haiku 4.5, and older).
- View token count and estimated USD cost.
Frequently asked questions
Which Claude models are supported?
Claude Opus 4.5, Sonnet 4.5, Haiku 4.5, Opus 4.1, Opus 4, Sonnet 4, Claude 3.7 Sonnet, 3.5 Sonnet, 3.5 Haiku, 3 Opus, and 3 Haiku.
How does Claude tokenize text?
Anthropic uses a BPE tokenizer similar to OpenAI's. The approximation is ~4 characters per token for English text.
How much does Claude Sonnet 4.5 cost per 1M tokens?
Approximately $3 for input and $15 for output per million tokens. Confirm current pricing on Anthropic's pricing page.
How much does Claude Opus 4.5 cost?
About $15 input and $75 output per 1M tokens — Anthropic's flagship tier.
Is Claude cheaper than GPT-5.5?
Claude Sonnet 4.5 is priced similarly to GPT-4o and cheaper than GPT-5.5. Claude Haiku 4.5 is cheaper still for high-volume workloads.