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AI Cost Calculator
Estimate and compare standard text-token costs for current OpenAI, Claude, and Gemini API models.
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Calculate Your AI Costs
Enter your usage details to see how much different AI models will cost.
Select the AI model you want to use
Number of tokens in your prompt/messages
Expected number of tokens in the response
How many API calls you'll make monthly
Standard Text Pricing (per 1K tokens)
| Model | Input | Output |
|---|---|---|
| GPT-5.6 Sol | $0.005 | $0.030 |
| GPT-5.6 Terra | $0.0025 | $0.015 |
| GPT-5.6 Luna | $0.001 | $0.006 |
| Claude Fable 5 | $0.010 | $0.050 |
| Claude Sonnet 5* | $0.002 | $0.010 |
| Claude Haiku 4.5 | $0.001 | $0.005 |
| Gemini 3.5 Flash | $0.0015 | $0.009 |
| Gemini 3.1 Pro Preview** | $0.002 | $0.012 |
| Gemini 3.1 Flash-Lite | $0.00025 | $0.0015 |
Rates verified July 18, 2026. Standard text-token pricing only; caching, batch, tools, taxes, regional processing, and long-context surcharges are excluded. *Claude Sonnet 5 introductory pricing applies through August 31, 2026. **Gemini 3.1 Pro rate shown for prompts up to 200K tokens. Always confirm the OpenAI, Anthropic, and Google pricing pages before budgeting.
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