AI Sizing & Product Assistant Cost Calculator
A sizing or product-finder assistant asks a few questions and recommends the right size or product, cutting returns and boosting confidence to buy. Sessions are short and focused.
A sizing/product-finder assistant handling 1,500 shopper sessions a day.
Computed at today's verified prices (28 July 2026). Adjust the inputs below for your own numbers.
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- Per message
- $0.000357
- Per session
- $0.00178
- Input cost / session
- $0.00103
- Output cost / session
- $0.000750
- Per day
- $2.68
- Per month(1,500 users/day)
- $80.32
Why this number isn't obvious
Short sessions mean the fixed system prompt (your sizing logic and catalog rules) drives per-conversation cost more than the chat itself. The payoff is fewer returns, so even a modest reduction in return rate dwarfs the AI spend the calculator shows.
Frequently asked questions
How does a sizing assistant save money?+
By reducing returns, which are expensive in shipping and restocking. Even a small drop in return rate typically outweighs the AI cost many times over.
Does it need product data access?+
For best results, yes — a sizing assistant works from your size charts and catalog. That can be baked into the prompt or retrieved (RAG) for large catalogs.
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Estimates for planning, not a quote. Pricing data last reviewed 28 July 2026.