AI Translation Cost vs Human Translation + Review Calculator

How it works

API cost = words × (input tokens per word × input price + output tokens per word × output price) ÷ 1,000,000. Review cost = words × reviewed share ÷ words checked per hour × reviewer’s hourly cost. Human translation = words × price per word. For legal, medical or safety texts keep full professional translation or certified review — a cheaper option is not worth a costly mistake.

⚠ Estimates for information only — not financial advice.

FAQ

How fast can a reviewer post-edit?

It depends on the language pair, subject and quality goal. Time a reviewer on a few pages of your own content and use that speed.

Is reviewing only part of the text safe?

For internal or low-risk text, spot checks may be enough. For anything published or legally binding, review everything.

Checked 10 Nov 2026. Token-based API cost (provider price lists in our AI price file) plus post-editing time; 0.75 English words per token from the OpenAI Help Center. Human prices and review speed are your own quotes and measurements.