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CardGrade Intelligence (CGI) is an 60-second AI pre-grade. TAG Grading is a paid robotic slab service you ship cards to. Run CardGrade first to decide what is even worth slabbing — then pay TAG only for the winners.
| Feature | CardGrade | TAG Grading |
|---|---|---|
| What it is | CardGrade Intelligence (CGI) AI pre-grade | Robotic computer-vision slabbing service |
| Turnaround | ~60 seconds | Ship-in (days to weeks) |
| Cost | Plans from $4.99/mo | Premium per-card grading fee |
| Physical slab | No - digital pre-grade only | Yes - encapsulated slab |
| Grade scale | Predicts PSA, BGS & CGC grades | 1,000-point computer-vision grade |
| Inspection depth | 47 inspection points across 16 zones | Light-scan optical analysis |
| Accuracy reported | AI-powered predictions trained on thousands of card images | Proprietary algorithmic scoring |
| Market value | Estimated value at every grade | Not included |
| Certificate | Shareable public grade certificate | Slab + digital report (QR on slab) |
| Best for | Deciding what is worth submitting | A finished, resale-ready graded slab |
CardGrade and TAG Grading are not really competitors — they are two steps in the same workflow. CardGrade tells you what a card will likely grade; TAG turns your best cards into a finished slab.
CardGrade Intelligence returns a predicted grade in about 60 seconds. No shipping, no waiting on a turnaround window before you know what you have.
Every card is inspected across 47 points in 16 zones. CGI predicts PSA, BGS, and CGC grades so you know exactly which slab path makes sense.
CardGrade shows estimated market value at every grade plus a shareable public grade certificate. See whether a TAG slab fee is justified before you spend a dollar, backed by a 2-grade credit-back guarantee.
They solve different problems. TAG Grading (Technical Authentication & Grading) is a paid ship-in service that light-scans your card and returns a physical slab with a 1,000-point computer-vision grade. CardGrade is the opposite end: CardGrade Intelligence (CGI) is a 60-second AI pre-grade you run from your phone. Use CardGrade first to decide whether a card is even worth paying anyone to slab, then send your best cards to a slabbing service like TAG.
No. CardGrade does not encapsulate cards. It is a pre-grade tool that predicts how PSA, BGS, and CGC would grade your card and gives you a shareable public grade certificate. TAG Grading produces a physical, encapsulated slab. Many collectors use CardGrade as the screening step before paying for a slab from TAG, PSA, or any other grader.
CardGrade plans start at $4.99/mo. TAG Grading charges a premium per-card grading fee plus shipping, and you wait through ship-in turnaround. CardGrade returns a result in about 60 seconds, so you can pre-grade an entire stack and only pay to slab the cards that justify the cost.
CardGrade Intelligence (CGI) inspects 47 points across 16 zones and predicts PSA, BGS, and CGC grades, trained on thousands of card images. CardGrade also backs results with a 2-grade credit-back guarantee. TAG Grading uses its own proprietary 1,000-point computer-vision algorithm to score the card it physically slabs.
That is exactly the recommended workflow. Run CardGrade Intelligence on a card in about 60 seconds to see its predicted grade and estimated market value at every grade. If the projected grade and value justify the premium TAG fee and turnaround, send it in. If not, you have saved the submission cost - no card photos lost, no shipping, no waiting.
TAG Grading produces a tamper-evident physical slab and an official, resale-ready 1,000-point grade backed by its encapsulation. That slab is what buyers see in the marketplace. CardGrade is a digital pre-grade, not a registered slab - its job is to tell you, in about 60 seconds, whether a card is worth that step before you spend the money.