AI API Cost Calculator β Estimate Your API Usage Expenses
AI API Cost Calculator
How the AI API Cost Calculator Works
This calculator helps you estimate how much youβll spend using popular AI APIs like GPT-4o, GPT-3.5, Claude, Gemini, DeepSeek, Perplexity, and Grok.
- Select the AI Model/API β choose from the dropdown list of supported APIs.
- Enter average prompt and completion lengths β in tokens per request (e.g., 500 prompt + 1000 completion).
- Specify the number of API requests per day and the number of active days per month.
- Click βCalculateβ β the calculator will estimate:
- Total tokens per request and per month
- Estimated monthly and daily costs based on current 2025 pricing
- Estimated annual cost
Use this tool to plan your AI expenses effectively and compare API options before integrating them into your applications.
π AI API Token Pricing Comparison for Popular Models (2025)
| AI Model/API | Prompt Cost per 1K tokens | Completion Cost per 1K tokens |
|---|---|---|
| GPT-4o (OpenAI) | $0.005 | $0.015 |
| GPT-3.5 Turbo (OpenAI) | $0.0015 | $0.0015 |
| Claude 3 Opus (Anthropic) | $0.015 | $0.03 |
| Claude 3 Sonnet (Anthropic) | $0.003 | $0.006 |
| Gemini 1.5 Pro (Google) | $0.0025 | $0.0025 |
| DeepSeek LLM | $0.0018 | $0.0018 |
| Perplexity API | $0.003 | $0.003 |
| Grok API (xAI) | $0.004 | $0.004 |