Should You Use Your Own Claude or OpenAI API Key on AI Platforms?
Generative AI apps are everywhere. There are tons popping up. And they’re really cool! But with that convenience comes the cost of compute. AI ain’t cheap!
Many platforms now offer two payment options: using credits for AI usage or allowing users to plug in their own API key from providers like OpenAI or Claude.
So, should you use your own API key or buy credits directly from an AI platform or AI product? In most cases, using your own API key is cheaper because you pay directly for your usage at cost.
AI Product Pricing Models
AI platforms typically charge a flat monthly fee for services powered by AI models, such as GPT-4 or Claude. The most significant cost for these platforms is the AI model usage, which they often prefer to pass on to users through API key integration or a credit system.
- API Keys: Platforms use your API key to make requests, and you pay for each request directly via the model provider.
- Credits: The platform creates a credit system where you buy credits for each AI interaction. This often costs more than using your own API key, as they need to price credits to cover all possible usage scenarios.
API Usage Costs
AI model costs are measured in tokens, small chunks of text. For example, using OpenAI’s GPT-4 to rewrite a 1,000-word essay might cost less than a cent, while Claude may cost slightly more.

Video Explanation
If you want a detailed breakdown of costs, here is a video that shows using your Claude API key or OpenAI API key vs using credits. It breaks down the normal cost you’d find!
It even breaks down the tokens in a request!

Conclusion
Using your own API key is typically the cheaper and better option. Platforms mark up credits to cover potential heavy usage, so you’ll save by paying per token with your API key. To get an API key, simply sign up with OpenAI or Claude and monitor your usage through their dashboards.
If you have any questions, feel free to drop them in the earn money with AI forums!

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