Can I claim OpenAI API costs for my app?

Usually, yes — if the OpenAI API is used for a real business or income-producing app, it may be deductible or otherwise claimable as a business expense. The exact treatment depends on your country, business structure, and how the app is used.

What to do:

• Keep invoices and billing records from your OpenAI account.
• Track business use of the API so you can support the expense.
• Book it in the right category in your accounting system, which could be software, cloud services, R&D/pre-launch costs, or cost of goods sold depending on your setup and local rules.
• Check local tax rules before filing, because deduction rules can differ a lot by jurisdiction.

If the app is just a personal hobby with no profit motive, the expense may not be deductible in many places, but the exact rule depends on your jurisdiction.

Best next step: ask a tax professional or accountant in your country how they want it classified for your specific business model.