AI world-model startup Odyssey tops week with $310M Series B
Odyssey raises $310M at $1.45B valuation for multimodal world simulations.
This week's largest U.S. venture rounds saw $100M+ deals across AI, fintech, quantum computing, and cybersecurity. Topping the list was Odyssey, a Menlo Park-based developer of AI world models that create multimodal simulations of real-world environments, raising $310M in Series B funding led by Natural Capital with participation from Amazon, AMD Ventures, Google Ventures, and others. The round values Odyssey at $1.45B, bringing its total funding to $337M.
Other significant raises include Chronograph, a portfolio monitoring platform for private capital investors, securing $140M from Sixth Street Growth. Three companies tied for third place with $100M rounds: Hydra Host (bare-metal GPU platform for distributed AI compute), Ent.AI (AI-powered workspace security, founded by ex-RiskIQ and Microsoft Security Copilot team members), Twenty Technologies (AI cyber warfare systems for the U.S. military, reaching a $1B valuation), and Atom Computing (neutral-atom quantum computers, also receiving a $100M CHIPS Act letter of intent). Biotech firm Triveni Bio raised $65M in Series C. The diversity of sectors underscores sustained venture appetite for deep tech and infrastructure plays.
- Odyssey's $310M Series B led the week, valuing the AI world-model startup at $1.45B
- Chronograph raised $140M for private capital portfolio software
- Four companies tied at $100M: Hydra Host (AI infra), Ent.AI (cybersecurity), Twenty Technologies (defense), and Atom Computing (quantum)
Why It Matters
Massive funding across AI, quantum, and defense shows investors betting on foundational infrastructure and national security tech.