Nvidia VC arms backs in AI startup Synthesia at $4 billion valuation
Nvidia And alphabet VC arms have backed British AI startup Synthesia in a $200 million funding round, at a time when private investment is on the rise for promising young tech companies looking to capitalize on the AI boom.
The round saw Synthesia reach a $4 billion valuation and was led by Alphabet’s GV, with participation from Evantic, Hedosophia, Nvidia’s NVentures, Accel, New Enterprise Associates (NEA) and Air Street Capital. That nearly doubles the price tag a year ago, when the startup received $180 million in funding and a $2.1 billion valuation.
Synthesia develops video creation tools for use in businesses’ internal and external communications.
Victor Riparbelli, co-founder and CEO of Synthesia, said in a statement that the funding round is about “scaling” the vision of AI reducing the cost of creating content and enabling AI video to provide “a better, more engaging way for organizations to communicate and learn.”
“We are seeing a rare combination of two major shifts: a technology shift where AI Agents are becoming more skilled, and a market shift where skills development and internal knowledge sharing become board-level priorities,” he added.
As part of the raise, Synthesia will facilitate an employee secondary stock sale in partnership with NASDAQ at a valuation of $4 billion.
Europe’s AI startups have raised a record $21.4 billion in private funding in 2025, according to deal counting platform Dealroom.
U.S. AI companies raised $162.7 billion that year, but that included nearly $70 billion raised by just three companies: OpenAI, Anthropic, and xAI.
This momentum continued in 2026. In recent weeks, CNBC has reported that OpenAI is in talks with sovereign wealth funds in the Middle East for a round that could total around $50 billion, Anthropic has signed a term sheet for a new $10 billion round, and xAI has raised $20 billion.
Synthesia’s new funding will double down on the rollout of brokerage capabilities in AI-generated videos, allowing users to interact with videos in real time.
The company said the AI video means employees can explore scenarios and receive tailored explanations through role-play rather than passively consuming training materials.
Founded in 2017, Synthesia has become one of the most talked about AI startups in the UK tech sector, attracting the attention of politicians as it plans to expand. Both Mayor of London Sadiq Khan and then-Minister of Technology Peter Kyle were present at the company’s new office opening in July.
“Synthesia is a UK success story, creating new jobs and opportunities in this country,” UK Chancellor of the Exchequer Rachel Reeves said. “This shows that by supporting innovators to start, scale and stay in the UK through better access to finance and generous tax breaks, we can translate the promise of AI into better-paying jobs and long-term growth across the UK.”
Speaking to CNBC, Chief Financial Officer Daniel Kim said Synthesia has reached $150 million in annual recurring revenue (ARR) and expects to surpass $200 million in 2026.
