The MVP version (1.0) is using OpenAI’s GPT models to check grammar errors.They have a clear docs on how are they using your data (tldr: they don’t if you use their API, and safeTyper is using their API), and you can simple request to delete your data anytime.
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.)
The premium plan on Grammarly is: ~$12/month.OpenAI costs around **0.000002667/character∗∗(or0.002 / 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.