TechCrunch Reporter Creates Interactive AI Avatar to Explore the Future of Digital Twins

TechCrunch•Published: Sep 26, 2026 07:30 PM IST

A TechCrunch journalist collaborated with the AI startup Synthesia to create a fully interactive digital twin of herself, trained specifically to discuss her reporting on venture capital fraud. The process involved a brief studio session to capture her likeness and voice, resulting in an avatar capable of real-time conversation using advanced voice-to-text and language modeling.

Avatar Creation Process: The journalist underwent a two-minute voice recording and photo session at Synthesia’s New York office to generate both personal and interactive AI models.
Technical Architecture: The interactive avatar utilizes a complex stack including voice-to-text, agentic language models, and Synthesia’s proprietary video generation to facilitate real-time, responsive dialogue.
Synthesia Product Suite: The company offers three primary tiers: classic script-reading avatars, agentic 'Sessions' for roleplay, and an API platform for custom enterprise integrations.

The Context & Background

Synthesia, a U.K.-based startup currently valued at $4 billion, has become a leader in the digital avatar space by providing tools for corporate training and sales simulations. This experiment marks the first time the company has developed an interactive avatar for a journalist, highlighting the growing intersection of AI-generated media and professional communication.

Why it matters:This experiment highlights the rapid evolution of digital twins from simple video tools to interactive, agentic entities capable of complex conversation. As these technologies become more accessible, they pose significant questions regarding the future of personal branding, professional representation, and the ethical implications of creating AI-driven replicas of human beings.

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