RunTheNumbersAI / Calculators

AI cost calculators
Enter usage, get the number

AI pricing is confusing by design. These AI cost calculators cut through it. Tell us how you actually use AI and get the exact monthly cost with no estimates, no ranges, no sponsored results.

Text AI
ChatGPT vs Claude vs Gemini
Subscription vs API. Find the cheapest model for your message volume and task type.
Image generation
Midjourney vs DALL-E vs Flux
Per-image API cost vs subscription. What your monthly image output actually costs.
Video generation
Runway vs HeyGen vs Kling
Cost per video second. Credit packs vs subscription and which fits your volume.
Automation
n8n vs Make vs Zapier
Per-execution cost across platforms. When self-hosting beats a paid plan.
AI agents
Multi-step agent cost
Token burn per task. How agent loops multiply your API bill at scale.
API cost
LLM token cost calculator
Enter token volume and model. Get exact monthly cost across every major API.

Why use an AI cost calculator?

Most people pick an AI subscription based on name recognition, not numbers. ChatGPT Plus costs $20/month flat but at 20 messages a day, the API costs under $2. An AI cost calculator shows you the exact break-even point for your usage so you stop paying for capacity you never use.

All calculators on this site use live pricing pulled automatically from provider pages. No hardcoded numbers that go stale. Every calculation reflects what providers are actually charging right now.

Common questions
Which AI calculator should I start with?
Start with the Text AI calculator if you use ChatGPT, Claude or Gemini. It covers the most common overpayment scenario and gives you a verdict in under a minute.
Are these calculators free?
Yes. All calculators on RunTheNumbersAI are free with no signup and no email required.
How often are the prices updated?
Prices are monitored continuously and updated automatically when providers change their rates. You are always seeing current pricing.

Prices monitored continuously. All figures in USD.