PolyLens™ — AI Bias Checker

Highlight any text. Get 4 AI perspectives. See the bias. Powered by PolyVerge.

Every AI has a bias. Most just don't tell you. PolyLens sends your highlighted text to four independent AI models from four different companies — and compares how each one frames its response. You get a Bias Divergence Score (1-10) and a breakdown across six dimensions: Political Framing — progressive, centrist, conservative, or libertarian lean Social Perspective — whose viewpoint each model centers Safety Filtering — how much each model self-censors Omission Detection — what each model chose NOT to say Emotional Framing — clinical, reassuring, alarmist, or confrontational tone Source Authority — which institutions each model defers to HOW TO USE: Highlight any text on any webpage Right-click → "PolyLens™ Bias Check" (or press Ctrl+Shift+B) Wait 15-30 seconds while all 4 models respond Review the bias analysis in the overlay panel Works on any webpage — articles, forums, AI chat interfaces, social media, reference sites, anywhere you read text. REQUIRES a free PolyVerge account and API key from polyverge.io/account. Built by a solo physician-developer. No VC. No ads. No tracking. Just transparency. Powered by PolyVerge — polyverge.io