Israeli artificial intelligence startup Decart has closed a $300 million funding round that values the company at $4 billion, in what has become one of the largest venture raises in Israeli tech history. The round was led by Radical Ventures and includes Nvidia as a strategic investor — a notable choice given that Decart's core technology allows AI workloads to run efficiently across different chip architectures, including those of Nvidia's competitors.
Amazon joined the round as a strategic customer, alongside a roster of additional investors that includes eBay Ventures, Adobe Ventures, Toyota Ventures, Sequoia Capital, Zeev Ventures, and Benchmark. Among the private backers is Andrej Karpathy, a co-founder of OpenAI, as well as former Disney CEO Michael Eisner and members of the Nintendo founding family. The round brings Decart's total capital raised to more than $450 million.
What Decart Builds
The company was founded in late 2023 by Dr. Dean Leitersdorf, who serves as CEO, and Moshe Shalev, who leads product — both veterans of Israel's elite signals intelligence Unit 8200. Decart operates across three product lines. Its DOS platform is an AI optimization layer designed to make model inference faster and cheaper regardless of the underlying hardware. Lucy is a world model for real-time interactive video generation. Oasis is a world model designed specifically for physical AI and robotics simulations, an area that has attracted intense investment across the global AI landscape.
The insight we started with is that the future of AI cannot be locked to a single chip vendor. Applications need to run everywhere — and they need to run well everywhere. That constraint is what we built toward from day one.
The chip-agnostic angle of Decart's technology is what makes Nvidia's investment particularly striking. Nvidia's core business is selling the processors that power the vast majority of AI training and inference workloads globally, and the company has built a formidable software ecosystem — CUDA — that makes it difficult for customers to switch to alternative hardware. Decart's DOS layer effectively makes switching easier, and yet Nvidia chose to back it, suggesting the chip giant sees value in being embedded in a hardware-neutral optimization stack rather than ceding that territory to others.
Israeli AI's Moment
The Decart round is the latest in a series of large capital raises by Israeli AI companies in 2026. Israeli high-tech companies raised over $3 billion in the first quarter of the year, a 34 percent increase on the same period in 2025, with AI and defense technology accounting for the largest share of investment. AI alone drove a disproportionate share of the major rounds, with Decart's $300 million joining raises by Wonderful, Dream Security, and others in establishing Israel as one of the most active AI startup ecosystems outside the United States and China.
Decart intends to use the fresh capital to expand its research team and accelerate the deployment of its products with enterprise and cloud customers. The company is currently in production with several large technology companies and has announced Amazon as a named customer for its optimization infrastructure.