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It is a one-time paid product. Buy once, use forever.

You only pay based on your usage. If you don't use, you won't pay.

For this to happen, you need your OpenAI Key.

(If there is a need, we can make a subscription based license as well. We will provide the OpenAI key for you. Let us know here.)

Comparison Grammarly

The premium plan on Grammarly is: ~$12/month.

OpenAI costs around $0.000002667 / character (or $0.002 / 1000 tokens or $0.002 / 750 characters).

You need to write ~4.5 million characters a month to write the same amount.

All Harry Potter books are around ~6 million characters.

Released under the Apache License.