Synthesia

London-based AI video platform for corporate training and communications

Overview

Synthesia lets companies produce videos with AI-generated presenters (avatars) and voices from a script, and is used mainly for training and internal communications. On 26 January 2026 it raised US$200 million in a Series E at a US$4 billion valuation, led by GV (Google Ventures) with Evantic and Hedosophia[53]. The company, headquartered in London, says it is used by more than 90% of the Fortune 100 and has more than 2 million users[53]. Synthesia has not disclosed revenue. Its use of digital likenesses of real people requires consent and moderation controls, which limit what customers can produce. General-purpose video models from large labs are a competitive threat to its avatar-based product.

Synthesia strengths and limitations

Strengths

  • Free plan with a monthly minute allowance
  • Broad language and voice coverage for translation

Limitations

  • Does not generate open-ended cinematic footage
  • Dubbing languages on self-serve plans are fewer than the headline language count

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