There's Yandex OCR (1.2 cents per image with handwriting model).

https://yandex.cloud/en/docs/vision/pricing

https://yandex.cloud/en/docs/vision/operations/ocr/text-dete...

Not sure about their training on English content, but they made a search engine for parish registers kept in a number of local archives last year (in Russian):

https://habr.com/en/companies/yandex/articles/712510/