Factory raises $200M at $5B five months after its last round
Blackstone, Khosla, Sequoia and six other firms backed the coding-agent financing, taking Factory's total funding above $400M.
By Ryan Merket · Published
Primary source: Factory on X
Why it matters
Factory's valuation has climbed nearly 16.7x in under a year as investors bet that enterprise governance, security and model routing will become the durable layer in AI coding.
Factory co-founders Matan Grinberg (@matanSF) and Eno Reyes (@EnoReyes) said on September 15th that Factory raised $200 million at a $5 billion valuation, completing its third large financing in less than a year.
The financing came from Blackstone, Khosla Ventures, Sequoia Capital, Insight Partners, Evantic Capital, Sound Ventures, NEA, Mantis VC and Clearlake, according to Factory's announcement on X. Factory did not identify a lead investor. Individual backers named in the announcement included former Formula One champion Nico Rosberg, Altimeter Capital founder Brad Gerstner and Salesforce CEO Marc Benioff.
Grinberg and Reyes started Factory in 2023 after crossing paths at a San Francisco hackathon. Both attended Princeton. Grinberg left a theoretical physics PhD program at the University of California, Berkeley, after cold-emailing Sequoia partner Shaun Maguire, another physicist. Reyes had worked in machine learning at Hugging Face after an earlier engineering role at Microsoft. The founders assembled Factory's first demo over roughly 72 hours, according to an account published by Princeton Alumni Weekly.
A $4.7 billion mark-up in under a year
Factory's valuation has risen at a pace that makes the funding amount look secondary. Factory raised a $50 million Series B at a $300 million valuation on September 25th, 2025. It followed with a $150 million Series C at a $1.5 billion valuation on April 16th, 2026.
The latest price is 3.3 times the April valuation and nearly 16.7 times Factory's valuation from less than 12 months ago. Factory's five publicly announced rounds since 2023 add up to $420 million: a $5 million seed, a $15 million Series A, the $50 million Series B, the $150 million Series C and the new $200 million financing.
Khosla Ventures led the April round, with Sequoia, Blackstone, Insight, Evantic, 20VC, NEA and Mantis participating. Factory said at the time that revenue had doubled month over month for six consecutive months. Taken literally, that claim implies a 64-fold increase across the period, although the announcement supplied no starting revenue figure.
The rapid mark-ups place a heavy burden on Factory's enterprise expansion. Factory says hundreds of thousands of developers use its software, including engineering groups at Nvidia, Blackstone, Royal Bank of Canada, Palo Alto Networks, Adobe and T-Mobile. Those usage and customer figures come from Factory.
Factory is selling the control layer
Factory began with coding agents called Droids, which handle work including code generation, testing, review, documentation and incident response. Grinberg and Reyes have since broadened the pitch from individual agents to an enterprise system covering the full software development lifecycle.
That distinction matters to Factory's valuation. Coding models and assistants can be replaced as model performance and pricing shift. Factory is trying to own the layer that selects models, controls access, records outcomes and connects agents to internal engineering workflows.
Factory says customers can choose which models the system uses and deploy it in the cloud, on premises or in air-gapped environments. Its Router product selects models at the task level; Factory claims the router can reduce token spending by more than 60% while maintaining comparable performance. Factory has also introduced tools for measuring agent effectiveness, giving technology executives a way to connect AI usage with completed engineering work.
The model-independent approach gives Factory room to benefit when foundation-model providers cut prices or release stronger coding systems. It also puts the burden of differentiation on Factory's orchestration, security, evaluations and accumulated workflow context. Enterprises can switch the underlying model while keeping Factory's governance layer in place.
Factory said it will spend the new capital on research, product development and global sales. At $5 billion, its backers are pricing Factory as enduring enterprise infrastructure rather than another interface for generating code. Grinberg and Reyes now have $200 million more to prove that companies will standardize their software operations around that layer.