BREAKING 🚨: Perplexity is testing a new "Sonar Testing" reasoning model internally. Potentially, it will arrive as a reasoning upgrade to the existing Sonar model.

Imo, "Sonar Testing" is the best name ever 👀 pic.twitter.com/a1ChGPDGLh

— 🚨 AI News | TestingCatalog (@testingcatalog) 26 septembre 2025

BREAKING : Perplexity is testing a new "Sonar Testing" reasoning model internally. Potentially, it will arrive as a reasoning upgrade to the existing Sonar model. Imo, "Sonar Testing" is the best name ever

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