Weekly funding roundup highlights $310M round for world-model startup Odyssey

Odyssey, a Menlo Park, California-based developer of AI world models, raised $310 million in a Series B round led by Natural Capital, with participation from Amazon, AMD Ventures, EQT, Google Ventures, IQT and SignalRank. The round values the company at $1.45 billion and brings its total funding to $337 million.
Other notable rounds this week included a $140 million growth investment in fintech company Chronograph, and $100 million raises for AI infrastructure firm Hydra Host, cybersecurity startups Ent.AI and Twenty Technologies, and quantum computing company Atom Computing.
Ent.AI, which emerged from stealth, is developing an AI-powered workspace security platform. Twenty Technologies builds AI-enabled cyber warfare systems for the US military and intelligence community. Atom Computing also received a $100 million letter of intent from the US Department of Commerce under the CHIPS and Science Act.
Additional rounds included $65 million for biotech company Triveni Bio, $52 million for semiconductor infrastructure firm AttoTude and digital media company Richard Roths Media, and $50 million for AI voice agent developer Bland AI, fintech Interchecks, and biotech AI startup Radical Numerics.