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
How to use this estimate
Run a few traffic scenarios before launch, compare model choices, and set a monthly API budget before usage reaches production scale.
Pricing sources
Last updated: May 19, 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.