What this includes
Standard text token pricing only. It does not include web search, file search, image/audio/video generation, regional processing uplifts, cache storage, or provider-specific free tier limits.
AI API Cost Calculator
Estimate LLM API spend before it surprises you.
Compare token costs for common OpenAI, Claude, and Gemini models across daily requests, batch workloads, and monthly usage.
Model comparison
| Model | Input | Output | Monthly |
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Free checklist
Get the AI API Cost Checklist
Plan request volume, model choice, batch jobs, and monthly budget before shipping an AI feature.
- Estimate token volume before launch
- Compare standard vs batch workloads
- Find hidden cost drivers before they hit production
Next monetization layer
Use this calculator as a free lead magnet, then sell a cost planning spreadsheet, workflow sizing checklist, and small-team AI spend monitoring template.
Pricing sources
Last updated: May 18, 2026. Sources: OpenAI pricing, Claude pricing, and Gemini pricing.
Estimates are for standard text input and output tokens only. Provider prices can change, and actual invoices may include caching, search, file, image, audio, regional, or free-tier rules. Always verify official provider pricing before making budget decisions.