PromptBrake vs CardGrade

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

PromptBrake compared with CardGrade
Detail	PromptBrake	CardGrade
What it does	Automated AI security testing for chatbots, agents, and APIs	AI card grading that predicts PSA, BGS, and CGC outcomes in 60 seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free trial: 3 scans over 7 days. $99 USD once for 5 scans valid 30 days (no renewal). $499/month for 30 scans per billing month and one active runner license (month-to-month).	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).
Key features	138 automated checks across 18 attack categories API endpoint and web chatbot testing Self-hosted Docker runner Evidence exports and Baseline Diff CI/CD release gate automation Findings with evidence, business impact, and remediation guidance Behavioral regression detection	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
What makes it different	Built by an application-security practitioner with GWEB certification Compare test results with Baseline Diff to verify fixes	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	32 +1 (up) since last check	33 +1 (up) since last check
Trust Flow (Majestic)	12	9
Citation Flow (Majestic)	29	36
Referring domains (Majestic)	46	125

5 details filled in for both companies.

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