It's come to my attention that CoGrader has several grading errors, and you need to be really careful if you decide to use them.
We don't normally try to share faults of our competitors, but when it affects teachers and students, we think we should make this known.
Please be careful with AI products - test them thoroughly before adopting them and using them with your school.
Here is a video example of how they cover up handwriting mistakes by students.
Here are the files i used, so you can test this for yourself: https://drive.google.com/drive/folders/19u3KxyAhTl4LCXrBM-WrTqLGMJQgdSxL?usp=sharing
If you are stuck with a CoGrader contract, here's a deal to use EssayGrader for FREE.