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CardGrade.ioCGI Vision AI

Know your card's grade and value before submission. CGI Vision AI analyzes 47 inspection points with 92.8% accuracy.

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Blog

Card grading tips, collecting strategies, and industry insights to help you make smarter decisions.

AI Card Grading

How AI card grading works, accuracy, free tools, and getting started with CardGrade.io

Card Grading Guides

In-depth guides to PSA, BGS, CGC, and other grading companies

Grading Strategy & Tips

Centering, corners, edges, surface analysis, and pre-screening techniques

Grading Value & Investment

Cost breakdowns, ROI analysis, and investment strategies for graded cards

All (42)Guides (11)Comparisons (2)Tips & Tricks (5)Technology (8)Market Insights (4)

Technology

How to Combine a Card Scanner With the CardGrade API for Automated Bulk Grading

Pair a high-speed card scanner with the CardGrade API to build an automated grading pipeline. Scan cards, submit images programmatically, and get AI grade predictions at scale.

CardGrade.io Team·Feb 21, 2026·6 min read

Technology

The Complete Guide to AI Card Grading

Everything you need to know about AI card grading — how it works, accuracy, use cases, and how to get started with CardGrade.io's free AI grading tool.

CardGrade.io TeamFeb 21, 2026·11 min read

AI vs Human Card Grading: Accuracy Compared

Try AI card grading — free

Pre-screen your cards before submitting to PSA, BGS, or CGC. Start with 3 free credits — no credit card required.

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Technology

AI vs Human Card Grading: Accuracy Compared

How does AI card grading compare to professional human graders at PSA, BGS, and CGC? We break down accuracy, consistency, speed, and cost.

CardGrade.io TeamFeb 21, 2026·10 min read

Technology

Can You Trust AI to Grade Your Cards?

Skeptical about AI card grading? Here's how the technology works, what it can and can't do, and why thousands of collectors use it to pre-screen their cards.

CardGrade.io TeamFeb 21, 2026·10 min read

Technology

How AI Detects Card Centering, Corners & Surface Issues

A technical deep-dive into how AI analyzes card centering, corners, edges, and surface quality — and how CardGrade.io's tools help you understand your cards.

CardGrade.io TeamFeb 21, 2026·12 min read

Technology

Introducing the CardGrade API: Automate AI Card Grading at Scale

CardGrade now offers a public REST API for Pro and Business subscribers. Programmatically submit cards for AI grading, retrieve results, and integrate CardGrade into your tools and workflows.

CardGrade.io TeamFeb 14, 2026·4 min read

Technology

How AI Card Grading Works: The Technology Behind CGI Vision AI

Discover how AI card grading works with CGI Vision AI. Learn about 47 inspection points, machine learning accuracy, and the future of card grading.

CardGrade.io TeamNov 24, 2025·12 min read

Technology

Free AI Card Grading: How to Grade Your Cards Without Paying

Get free AI card grading with CardGrade.io. Learn how AI card grading works, what you get for free, and how it compares to paid professional grading.

CardGrade.io TeamOct 27, 2025·10 min read