Are the OpenAI, Claude and Gemini prices live?

The presets were verified against official provider pricing pages on November 10, 2026. They are not fetched live, so the calculator includes source links and a custom-rate override.

Does this AI cost calculator store product data?

No. Calculations run locally in the browser and the entered usage and revenue assumptions are not sent to a server.

Does the estimate include every AI product cost?

No. It includes token cost, an optional extra cost per request, other variable cost per user and fixed monthly cost. Provider tool calls, storage, search, hosting, support, taxes and payment fees must be entered when relevant.

Free AI SaaS planning tool

AI API Cost Calculator for OpenAI, Claude & Gemini

Q: How is monthly AI API cost calculated?

The calculator multiplies users by requests per user and average input and output tokens, then applies the selected model's per-million-token rates. Cached input and optional extra per-request costs are calculated separately.

If 1,000 users use your AI feature, what will the monthly API bill and profit margin look like? Model real users, requests, tokens, pricing and overhead before you ship.

No signup
Runs in your browser
Official pricing sources
Custom rate override

Usage and unit economics

Turn token pricing into a product decision.

Start with an editable example, select a model, then add your actual product usage and non-AI costs. The result is a planning estimate, not a billing guarantee.

Product assumptions

Every value stays in this browser.

Use-case exampleEditable examples, not industry benchmarks. Provider Model

Rates verified November 10, 2026.
Standard token rates, per 1 million tokens.

Official pricing

Use my own input, cached input and output rates

Monthly usage

Active usersRequests per user Input tokens / requestOutput tokens / request Cached input %Use zero if caching does not apply.Extra cost / request (USD)Search, tools, storage or other metered usage.

Revenue and other costs

Price / user / month (USD)Other variable cost / user Fixed monthly cost (USD)Display currency

Monthly product estimate

Calculated from your workload and selected token rates.

Monthly requests—Users × requests per user

AI API cost—Tokens plus entered extras

Total monthly cost—API + variable + fixed cost

Monthly revenue—Users × subscription price

Gross profit—Revenue minus total cost

Gross margin—Gross profit ÷ revenue

Total cost / user—Including fixed overhead

API cost / request—Selected model workload

Break-even price / user—At the entered usage level

Add a subscription price to see margin.

Uncached input— tokens · —

Cached input— tokens · —

Output— tokens · —

Extra metered cost—

Break-even paying users—

Same workload, this provider

Token API cost only; output quality, latency, context rules and provider features are not ranked.

Model	Monthly API cost	Per request

Formulas and limits

Useful planning, without fake precision.

The calculator separates uncached input, cached input and output tokens, then combines them with your pricing and overhead. It does not pretend a cheaper model is automatically the best model.

Provider pricing, caching rules, long-context tiers and promotional rates change. Verify the linked official page before committing a budget. Taxes, payment fees, hosting, support and model-specific tools are excluded unless you enter them.

How is monthly AI API cost calculated?

users × requests × tokens ÷ 1,000,000 × model rate. Uncached input, cached input and output are priced separately. The optional extra cost per request covers items such as search or paid provider tools.

Are these OpenAI, Claude and Gemini prices live?

No. Presets were verified on November 10, 2026 using the official OpenAI, Anthropic and Google pricing pages. Use custom rates if a provider changes them.

What does profit margin include?

Revenue minus token cost, optional extra metered cost, other variable cost per user and fixed monthly cost. It is a gross planning margin, not audited profit or accounting advice.

Why can cached input cost less?

Providers can charge a lower read rate when repeated prompt content qualifies for caching. Eligibility and write/storage charges differ by provider, so enter a realistic cache percentage or leave it at zero.

Does the calculator store my numbers?

No. It is client-side only. Your usage, pricing and margin assumptions stay in the browser.

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