
Eric Schmidt-backed startup combines quantum computing with AI for applications in healthcare, materials science, and cybersecurity
SandboxAQ announced a funding round exceeding $300 million from investors including Fred Alger Management, T. Rowe Price, and Salesforce CEO Marc Benioff, valuing the startup at $5.3 billion pre-money. The capital will advance the company's Large Quantitative Models (LQMs) and AI applications across drug discovery, materials science, navigation, and cybersecurity.
The funding reflects strong investor confidence in SandboxAQ's vision to combine quantum computing principles with artificial intelligence, creating capabilities that traditional AI approaches cannot achieve. Prominent backers including former Google CEO Eric Schmidt and venture capitalist Jim Breyer previously supported the company, which spun out from Alphabet in 2022.
Large Quantitative Models Explained
SandboxAQ focuses on LQMs rather than the large language models dominating current AI development. LQMs apply AI to quantitative sciences including physics, chemistry, and mathematics, enabling simulation and prediction of molecular behavior, materials properties, and complex physical systems.
This approach addresses problems where traditional AI struggles—predicting how drug molecules interact with proteins, designing materials with specific properties, or optimizing navigation systems resistant to GPS interference. The quantum-inspired computing methods allow SandboxAQ's systems to explore solution spaces too vast for conventional computing.
The technology differs from pure quantum computing, which remains largely experimental. Instead, SandboxAQ combines classical computing with quantum algorithms and simulation techniques, delivering practical applications today while positioning for future quantum hardware advances.
Drug Discovery Applications
In pharmaceutical development, SandboxAQ's technology accelerates the discovery of novel drug candidates by predicting molecular interactions and optimizing compound properties. Traditional drug discovery requires years of laboratory experimentation to identify promising molecules. LQMs simulate these interactions computationally, narrowing candidates before expensive physical testing.
The company claims its approach achieves milestones in healthcare previously unattainable, though specific drug programs remain undisclosed. The pharmaceutical industry increasingly adopts AI for drug discovery, with companies like Insilico Medicine and Recursion Pharmaceuticals demonstrating AI's potential to compress development timelines.
SandboxAQ's quantum-inspired methods may provide advantages in simulating complex biological systems where molecular quantum effects influence drug efficacy—situations where traditional AI models trained on existing data struggle with novel compounds.
Materials Science and Navigation
Beyond healthcare, SandboxAQ targets materials science applications including battery technology, semiconductors, and sustainable materials. Designing materials with specific electrical, thermal, or mechanical properties traditionally requires extensive trial-and-error experimentation. LQMs predict material properties from atomic composition, accelerating development cycles.
Navigation applications address GPS vulnerability through quantum sensing techniques. Military and civilian infrastructure increasingly recognize GPS jamming and spoofing risks. SandboxAQ's quantum navigation systems use magnetic field sensing and other quantum phenomena to enable positioning without satellite dependence.
Cybersecurity Focus
The $300 million also funds cryptography and cybersecurity applications. Quantum computers, when fully realized, will break current encryption methods protecting internet communications, financial transactions, and government secrets. Organizations must transition to quantum-resistant cryptography before quantum computers achieve sufficient power.
SandboxAQ provides tools helping enterprises audit cryptographic vulnerabilities and migrate to post-quantum encryption standards. This preventative approach addresses the "harvest now, decrypt later" threat where adversaries collect encrypted data today for decryption once quantum computers become available.
Market Timing
The funding arrives as quantum computing transitions from pure research toward commercial applications. While fully fault-tolerant quantum computers remain years away, quantum-inspired algorithms and hybrid approaches deliver value today in specific domains.
The $5.3 billion valuation positions SandboxAQ among the most valuable quantum-focused companies globally, though significantly below pure AI companies. The valuation reflects both near-term revenue potential from cybersecurity and navigation products and long-term positioning as quantum hardware matures.
Investors backing SandboxAQ bet that quantum-classical hybrid approaches will capture significant value before pure quantum computing dominates, and that the company's head start in LQM development creates defensible competitive advantages in scientific AI applications.



