Nvidia · GPT · Claude · Fortune Technology
Nvidia backs firm Reactor as buzz scales up for world models
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World models are capturing the tech industry’s attention and investment dollars, amid growing expectations that AI will soon move beyond their screens and into the physical world of cars, robots, and other objects.
Key facts
- Once the model exists, how do you run it?” co-founder and CEO Alberto Taiuti told Fortune, describing the question that led him and co-founder Bryce Schmidtchen to start Reactor
- Taiuti also co-founded the AI video generator startup Luma AI, where he served as chief technology officer
- Nvidia, which invested in Reactor via its NVentures VC arm, has developed its own Cosmos world models, alongside Isaac tools for robot simulation and Jetson computers that run AI on robots
- Reactor says Hollywood studios, advertising platforms and streaming services have active projects on the platform
Summary
A slew of new startups are developing world models, which are typically based on video data rather than the text-based large language models like OpenAI’s GPT and Anthropic’s Claude. And as generative AI helped bring about a broader industry to train and run LLMs, the rising popularity of world models is spurring new innovation and startups. Reactor, which emerged from stealth in May, develops software to make world models run faster and cheaper, and sells a cloud service that manages the computing capacity. “Once the model exists, how do you run it?” co-founder and CEO Alberto Taiuti told Fortune, describing the question that led him and co-founder Bryce Schmidtchen to start Reactor.