AI Token & Cost Calculator
Estimate token counts and API costs for large language models like GPT-4, Claude 3, and more. Plan your AI budget accurately.
Get instant, accurate results
Estimated Tokens
0
Word Count
0
$0.00000
For this amount of text
Did You Know?
Tokens are the basic units of text processed by LLMs. In English, 1,000 tokens is roughly 750 words or the equivalent of 3/4 of a page of double-spaced text.
What is this?
An AI Token & Cost Calculator converts your raw text into estimated token counts and translates those into actual dollar amounts based on official model pricing.
How to Use the AI Token & Cost Calculator
When using current AI models like GPT-4, Claude, or any other large language model (LLM), the understanding of token usage is essential for the performance and cost of the AI model. Instead of using text analysis on a per-word or per-character basis, AI models analyze the text in smaller segments called "tokens."
An AI token is a segment of text, a set of characters, punctuation, or a word. The average length of an AI token in English text is four characters, or three-quarters of a word.
The AI Token & Cost Calculator is a tool used to calculate the potential API cost of sending a prompt to an AI provider like OpenAI or Anthropic. It helps to calculate the number of tokens in the text you send to an AI model.
1. Enter Your Prompt or Text
You can paste the text you want to examine here in the calculator. This text could be a prompt you are planning to use for an AI model or a text that the AI has generated as a response. The calculator will automatically calculate the number of characters and words.
2. Estimate Token Usage
This calculator will convert the text length to an estimated number of tokens based on the tokenization patterns used by most models of the language.
This will give you a rough estimate of the processing required for the request.
3. Select an AI Model
Select the language model you wish to use, such as GPT-4o, GPT-3.5, Claude 3 Sonnet, Claude 3 Haiku, and so on.
Each model incurs a different cost per token.
4. View Input and Output Token Costs
Typically, the cost structure used by AI providers consists of two different rates: one for input tokens, which is the prompt you provide, and the other for output tokens, which is the response generated.
The calculator will calculate both the input and output tokens.
5. Estimate Project or Monthly Usage
If you anticipate making multiple API calls, you can enter the number of requests per day or month.
The calculator will calculate your monthly cost for using the AI.
Key Formulas Used in the Calculator
Token Estimation
In typical English text, one token corresponds to roughly four characters. This approximation helps estimate token usage without a full tokenizer.
Estimated API Cost
AI providers charge based on the number of tokens processed. Input tokens represent the prompt sent to the model, while output tokens represent the generated response.
Benefits
- Estimate token usage before sending prompts to an AI model
- Predict API costs for AI-powered applications
- Compare pricing between multiple AI models
- Identify opportunities to reduce prompt size and cost
- Plan AI budgets for personal or enterprise projects
- Improve efficiency when designing AI workflows
When & Where to Use
- Developers building AI-powered applications
- Businesses estimating operational AI costs
- Content creators generating large amounts of AI text
- Researchers experimenting with different AI models
- Students learning about token-based AI pricing systems
Who Should Use This Calculator
This calculator is best suited for software developers, AI engineers, product managers, and entrepreneurs building applications using large language models.
It may also be useful for marketers, writers, and educators using AI tools to generate content and interested in understanding the influence of tokens on their overall cost.
Tips to Get the Best Deal
Shorter prompts reduce token usage and lower costs
Reuse system prompts carefully since they add tokens to every request
Use smaller or faster models for simple tasks
Monitor API usage dashboards regularly
Optimize prompts by removing unnecessary words
Frequently Asked Questions (FAQs)
Helpful Resources
- Compare different models to find the most cost-effective one for your task.
- Be careful with long system prompts as they add to the cost of every request.
- Shorten your input text whenever possible to lower your API bill.
- Monitor your actual provider dashboard as estimates may vary slightly.