TechCrunch
YouTube adds new creator tools like video A/B testing, dynamic thumbnails, and live dubbing
Wednesday, September 23, 2026
YouTube introduced new creator tools including video A/B testing, dynamic thumbnails, and live dubbing capabilities. According to YouTube, the tools use generative AI to test different video variations and thumbnail options to identify which performs best with viewers. The company did not specify a rollout date for all features.
