AI Token Calculator
Instantly estimate & compare token costs across GPT, Claude, Gemini, DeepSeek & more. Type or paste your text below.
OpenAI
Anthropic
Google Gemini
DeepSeek
Perplexity
Grok (xAI)
Current API Prices per 1M tokens
| Provider | Model | Input | Cached In | Output |
|---|---|---|---|---|
| OpenAI | GPT-5 | $2.00 | $0.50 | $8.00 |
| OpenAI | GPT-4o | $2.50 | $1.25 | $10.00 |
| OpenAI | o3 | $10.00 | $2.50 | $40.00 |
| Anthropic | Claude Opus 4.5 | $5.00 | — | $25.00 |
| Anthropic | Claude Sonnet 4.5 | $3.00 | — | $15.00 |
| Gemini 2.5 Pro | $2.00 | $0.20 | $12.00 | |
| Gemini 2.5 Flash | $0.30 | $0.075 | $1.00 | |
| DeepSeek | deepseek-chat V3 | $0.28 | $0.028 | $1.10 |
| Perplexity | Sonar Pro | $3.00 | — | $15.00 |
| Grok | grok-3 | $3.00 | $0.30 | $15.00 |
Frequently Asked Questions
What is an AI Token Calculator?
The AI Token Cost Calculator is a free tool that helps you estimate how much it costs to process text using different AI language models. It breaks down input, output, and total costs for providers like OpenAI, Anthropic, Google Gemini, Perplexity, and DeepSeek.
What are "tokens" in AI models?
Tokens are chunks of text that AI models use to process language. One token is roughly 4 characters of English text. For example, the word "ChatGPT" is about 2 tokens. Most words are 1–2 tokens.
Why should I calculate token costs?
Because every AI model charges per token, knowing the token count helps you predict costs before sending text to the API. It's especially useful if you run chatbots, automation tools, or content generators and want to manage expenses accurately.
Can I compare multiple models side by side?
Yes. The calculator automatically generates pricing cards for all major AI models so you can easily compare costs across providers in one place.
How accurate is the token count?
The calculator uses a standard approximation of ~4 characters per token for English text. Exact token counts vary slightly per model — OpenAI uses BPE tokenization, Anthropic and Google use similar subword techniques. Actual counts may differ by ±5%.
