Zenithon AI secures $10m in seed funding to build AI world models for extreme physics
The funding round was led by Backed, Lunar Ventures, Seraphim Space, MMC Ventures, and SOSV.
≈ £7.5M at $1 = £0.7539 on 30 Sep 2026
Zenithon AI builds machine learning models to accelerate simulations in fusion energy, rocketry, and semiconductor manufacturing.
Zenithon AI has raised $10m in a seed financing round backed by several prominent institutional investors and angel backers. The company will use the capital to split evenly between compute resources and headcount expansion, enabling the release of new models every three months. Founded in 2025 and headquartered in London, the startup aims to replace conventional simulation software with advanced world models capable of evaluating a million engineering designs in the time required for a standard simulation. The fresh capital combines two recent funding rounds while retaining flexibility for future extensions.
From the founder
"I left my PhD because I was frustrated with the rate of progress in fusion energy. I wanted to take the strongest machine learning researchers in the world and apply them to these problems that really mattered, and a startup was the best way to do that,"
Alex Higginbottom
Co-founder at Zenithon AI
Use of funds
- 01Grow the team
- 02Build out infrastructure
Investors
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About the company
Zenithon AI
Zenithon AI develops artificial intelligence world models for extreme physics and engineering design.