OpenAI is one of the leading players, known for its powerful language models. Let's explore what makes it special and how to get started.
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To create OpenAI API key you do NOT require a ChatGPT subscription. They are different. With API you will be charged based on your usage. i.e Pay-as-you-go.
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OpenAI: Pioneering Language AI
OpenAI uses a pay-as-you-go model based on the number of tokens processed. Here are some pricing tiers:
| Models | Per 1,000 Input Tokens | Per 1,000 Output Tokens |
|---|---|---|
| GPT-5 Mini | $0.00025 | $0.00200 |
| GPT-5 | $0.00125 | $0.01000 |
| GPT-4o | $0.0025 | $0.0100 |
| GPT-4.1 | $0.003 | $0.012 |
| GPT-4.1 mini | $0.0008 | $0.0002 |
| GPT-4o Mini | $0.00015 | $0.00060 |
| O1-Preview | $0.01500 | $0.06000 |
| O1-Mini | $0.00110 | $0.00440 |
| GPT-3.5 Turbo | $0.00050 | $0.00150 |
(Note: Prices may vary. Check OpenAI's official pricing page for the most up-to-date information.)
Visit the Open AI Login Page and Sign up for your account
Visit the Open AI API Page to get your API key. The page will look like,
Click on the "Start building" button, then you will reach this page.
Select the Dashboard option located on the top right side, then you will reach this page.
Then select the API Keys option on the left sidebar.