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Comparison · 2026

AI-Detector vs Second Opinion Extension

AI-Detector vs Second Opinion Extension: side-by-side comparison of pricing, ratings, and features on SoftwareVital (2026).

Pricing models differ: AI-Detector is paid, Second Opinion Extension is free. Feature lists share 0 overlapping items across the two listings.

paid

Check whether text is human-written or AI-generated by analyzing the AI content percentage.

free

Second Opinion Extension is a free browser extension that fact-checks selected web text with Grok AI to flag inaccuracies and bias.

Side-by-side

AttributeAI-DetectorSecond Opinion Extension
Rating——
Reviews——
Pricingpaid · $5.91free
Votes00
CategoryAI CheckerAI API

Features checklist

FeatureAI-DetectorSecond Opinion Extension
AI-Detector checks AI content percentage to see if text is human or AI-generated
Free to install and use
Easy to use with a simple right-click action
Provides quick fact-checks
Supports multiple browsers
Requires a Grok API key
which incurs token usage costs
Accuracy depends on Grok AI
so verification from multiple sources is still recommended

FAQ