AI API Cost Calculator for SaaS
Building AI-powered SaaS? Calculate cost per user, cost per interaction, and total monthly spend at scale. Find the cheapest model for your AI features and get pricing recommendations.
Your SaaS AI Cost
Suggested AI Feature Pricing
All 34 Models Ranked by SaaS Cost
Monthly cost for your exact usage — sorted cheapest first.
| # | Model | Provider | Monthly Cost | Per User/mo | Per Interaction |
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Cost at Scale
See how your AI costs grow as you add users.
How to Price AI in Your SaaS
The 3-5x Rule
Price your AI features at 3-5x your API cost per user to maintain healthy margins. If AI costs you $2/user/month, charge $6-10/user/month. This covers infrastructure, support, and profit. Most successful AI SaaS products use a 4x markup.
Bundle vs. Usage-Based
Bundled: Include AI in a premium plan tier (e.g., "Pro plan includes AI assistant"). Simpler for users, predictable revenue. Usage-based: Charge per interaction or per token. More transparent, but harder to predict bills. Most SaaS companies start bundled and add usage tiers later.
Free Tier Strategy
Offer a limited free tier (e.g., 50 AI interactions/month) to drive adoption. Users who hit the limit are your best conversion candidates. Gate premium AI features (longer context, better models, priority) behind paid tiers.
Cost Optimization Levers
Biggest savings come from: (1) Tiered model routing — use cheap models (GPT-4o mini, Gemini Flash) for simple tasks and premium models only for complex ones. (2) Response caching — avoid duplicate API calls for repeated queries. (3) Prompt optimization — shorter system prompts = fewer input tokens. These strategies can cut costs 40-70%.
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