
AI Parabellum OpenAI Pricing Calculator
Free OpenAI API pricing calculator that estimates costs for GPT-4, GPT-3.5 and embedding models to help budget AI projects.

Free OpenAI API pricing calculator that estimates costs for GPT-4, GPT-3.5 and embedding models to help budget AI projects.
Free OpenAI API pricing calculator that estimates costs for GPT-4, GPT-3.5 and embedding models to help budget AI projects.
Say you are planning a chatbot or a batch of document embeddings and need to know what the OpenAI bill will look like before you write any code.
The AI Parabellum OpenAI Pricing Calculator is a free API cost estimator that works that out for you.
It covers 2025 pricing for GPT-4, GPT-3.5, embeddings and other OpenAI API services, so you can compare models and see which one fits a budget.
The calculator is useful for developers, small teams and founders who need a number to put in a project plan or show a client.
Picking a cheaper model for a high-volume job is the kind of decision it helps you make early, before usage grows.
The tool costs nothing to use.
AI Parabellum, the site behind the calculator, also runs a wider directory of AI tools, with sections for AI news, prompt generators and content detectors.
The calculator is the practical piece for anyone who just wants a cost estimate.
Keep in mind that it is an estimating aid, so check your actual usage against OpenAI's own billing once a project is live.
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