CardGrade vs DetectGPT

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

CardGrade compared with DetectGPT
Detail	CardGrade	DetectGPT
What it does	AI card grading that predicts PSA, BGS, and CGC outcomes in 60 seconds	Free AI checker to detect AI-generated text from ChatGPT, Claude, Grok, Gemini and other language models
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Free
Pricing	Hobby $4.99/month (10 credits), Starter $9.99/month (25 credits), Pro $24.99/month (80 credits), Business $74.99/month (300 credits). Annual plans: Hobby $47.99/year, Starter $95.99/year, Pro $239.99/year, Business $719.99/year. One-time credit packs from $9.99 (20 credits) to $99.99 (285 credits).	Free. No account, no card required. Up to 5,000 words per run for AI detection and up to 3,000 words for plagiarism checking.
Key features	16 inspection zones covering corners, edges, centering, and surface 60-second grade predictions PSA, BGS, and CGC grade predictions with confidence scores Forensic Capture macro close-up analysis on Pro and Business plans Bulk grading for 10-50 cards at once Chrome extension for grading cards while browsing iOS and Android mobile apps Smart capture guide with real-time lighting and angle feedback Market value estimates for graded cards API access with webhooks on Pro and Business plans	Analyzes up to 5,000 words per run without account signup Detects AI writing from ChatGPT, Claude, Grok, Gemini and other LLMs Analyzes public URLs and homepages Plagiarism checker with public web overlap detection up to 3,000 words
What makes it different	Photo-based pre-screening avoids months-long mail-in turnaround times Trained on thousands of card images across all major trading card types 2-grade credit-back guarantee if predictions miss Detailed per-pillar subgrades showing exactly where cards lose points Works across all major trading card categories including Pokémon, sports, and TCG	Independent tool not affiliated with Turnitin, OpenAI or other major platforms Text scored in browser with no storage on servers Integrated plagiarism checker included as free feature
Community votes	0	0
DR (Domain Rating by Ahrefs)	33 +1 (up) since last check	39 no change since last check
Trust Flow (Majestic)	9	13
Citation Flow (Majestic)	36	26
Referring domains (Majestic)	125	35

5 details filled in for both companies.

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