CAMBRIDGE — Boston’s startup economy is having its strongest fundraising year in roughly four years, with greater-Boston companies pulling in an estimated $7.8 billion in venture investment so far in 2026. The headline number is real. So is the more complicated story underneath it: Boston is winning big, specific bets in artificial intelligence and robotics — just not in the way Silicon Valley is.

Two Cambridge companies, two different AI plays

Walden Robotics, based in Cambridge and spun out of the Toyota Research Institute, raised a $300 million round this year at a $1.1 billion valuation, with backing from Toyota, Nvidia, Boeing, and Deviation Capital. The company builds partially humanoid robots — arms, sensors, wheeled bases — for factory and warehouse floors, trained using “large behavior models” that let a robot learn a new task from demonstration rather than new code. Led by MIT professor Russ Tedrake, Walden already has robots running inside a Toyota manufacturing plant in North America. It’s one of the largest robotics deals to come out of Boston, trailing only autonomous-vehicle maker Motional.

A few subway stops away in Kendall Square, Blitzy took a different path to a similar milestone. The company, founded by former Army Ranger Brian Elliott and ex-Nvidia engineer Sid Pardeshi, builds AI tools that help large enterprises untangle and modernize legacy codebases — some running software 25 to 30 years old — before generating AI-assisted rewrites. Blitzy raised $200 million at a $1.4 billion valuation, led by Northzone with a bench of Boston-area investors including Battery Ventures, Flybridge Capital, and PSG. At roughly 80 employees, it’s now a Kendall Square unicorn built on unglamorous, essential infrastructure — exactly the kind of company Boston tends to produce.

Whoop and the AI-health crossover

The single largest round of the year in Boston didn’t come from a pure AI lab — it came from a wearable. Whoop closed a $575 million Series G in March at a $10.1 billion valuation, built on what the company describes as 24 billion hours of physiological data feeding purpose-built AI models to generate personalized health insights. It’s a reminder that Boston’s AI story is increasingly inseparable from its health-tech and biotech story — sectors that, combined, still account for more than half of the region’s largest funding rounds this year.

The honest comparison

Boston hasn’t produced a foundation-model company on the scale of OpenAI or Anthropic, and reporting on the region’s 2026 numbers has been candid about that gap — no single Boston round this year approaches the scale of the largest Bay Area AI mega-deals. But the region’s institutional advantages haven’t gone anywhere: MIT alone has been actively working to unleash more faculty and student startups amid the AI boom, and Kendall Square continues to sit at the intersection of deep technical talent, biotech capital, and now a growing bench of applied-AI companies solving specific, high-value enterprise problems rather than chasing general intelligence.

That’s the pattern worth watching. Boston’s AI wins in 2026 look less like a single breakout lab and more like a cluster of well-capitalized, narrowly-focused companies — a humanoid-robotics spinout with a real customer on a factory floor, a legacy-code unicorn with enterprise contracts already signed, a wearable-AI company with a decade of physiological data no competitor can replicate overnight. It’s a different kind of AI boom. It’s still a boom.

Boston Made, Inc. tracks the companies and capital shaping the Boston business landscape as part of its ongoing coverage of the region’s technology and startup ecosystem.