**OpenAI API Test| Calculator** is a free and easy-to-use tool that helps you to validate your OpenAI API key and calculate the costs of using OpenAI's APIs.

**Validate your OpenAI API key:**

Simply enter your OpenAI API key and click the "Validate Key" button to check if your key is valid. The tool will use the GPT-3 model to test your key, providing a quick and reliable way to validate your key.

**Calculate OpenAI API costs:**

The OpenAI API Cost Calculator allows you to calculate the costs of using OpenAI's APIs for any model. Simply select the model you want to use and enter the number of requests you expect to make. The calculator will estimate the total cost of using the API based on the current pricing.

**Features:**

* Validate your OpenAI API key
* Calculate OpenAI API costs
* Easy to use
* Fast validation
* Free to use

**Benefits:**

* Save time and money by validating your OpenAI API key before using it
* Get accurate estimates of OpenAI API costs
* Make informed decisions about which OpenAI models to use

**Keywords:** OpenAI API, OpenAI API key, OpenAI API cost calculator, OpenAI API pricing, OpenAI API validation