
What Synthesia is
Synthesia is a London-based AI company building the #1 AI Video Platform for Business. Founded in 2017 by Lourdes Agapito, Matthias Niessner, Victor Riparbelli, and Steffen Tjerrild, the platform lets any organization create studio-quality avatar videos without mics, cameras, or actors. Used by 50,000+ teams, including 70% of the FTSE 100 and 90%+ of the Fortune 100 companies.
Funding snapshot
US$4B valuation at a US$200M Series E announced January 2026 (led by GV, alongside an employee secondary sale facilitated by Nasdaq), up from US$2.1B at the US$180M Series D (January 2025, led by NEA). Earlier rounds: $3.1M seed (2019), $12.5M Series A (April 2021), $50M Series B (December 2021, Kleiner Perkins and GV), $90M Series C (June 2023, Accel and NVentures, reaching a $1B valuation). Per TechCrunch, ARR crossed $100M in April 2025.
Key features
- 240+ AI Avatars and 1,000+ AI voices
- Support for 160+ languages for translation and voiceover
- AI Video Generator, Screen Recorder, and AI Motion Graphics
- Synthesia 3.0 adds next-gen avatar customization, voice cloning, and interactive elements (branching, quizzes, call-to-actions)
- Roleplay Sessions (enterprise AI roleplay training with scoring and analytics), launched July 2026
- AI Dubbing, Video Translator, Multilingual Player, Captions
- Brand Kit, Live Collaboration, Version Control, Analytics, SSO
- Rated 4.7/5 on G2 with over 2,000 five-star reviews, and trusted by over 50,000 companies
Where it lives
Alternatives to consider
Sources & media
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