BaseTen raises $1.5B Series F at $13B valuation as AI inference demand surges
What's the deal? AI infrastructure startup Baseten has raised $1.5 billion in a Series F round, lifting its valuation to $13 billion.
Sands CapitalDealroom has a profile for this one. Try Dealroom → and Wellington Management led the round. Australian venture firm Blackbird VC made its largest investment in the company to date.
Baseten provides software and computing power that helps businesses deploy, optimise, and manage AI models across multiple cloud providers. It serves fast-growing customers such as CursorDealroom has a profile for this one. Try Dealroom →, Mercor, and OpenEvidence.
Why now? Demand for AI inference — the stage where trained models generate responses for users — is surging as enterprises move AI tools into production.
Baseten's revenue grew 20-fold over the year to mid-2026, with annualised revenue reportedly reaching hundreds of millions of dollars.
The momentum has been swift. The company was valued at roughly $5 billion earlier in 2026; within a few months, that figure more than doubled. This marks its fourth raise in roughly 18 months.
What could go wrong? Baseten competes with rivals such as Fireworks AI and Together AI in a crowded market.
Its main edge is cost: it pitches itself as a cheaper alternative to pricey AI platforms, with some customers saving by shifting workloads to open-source models. If competitors undercut that advantage, the high valuation could prove hard to defend.
The signal: Investors are shifting attention from AI model creators to the companies that help businesses run those models efficiently and cheaply.
Inference, not training, is where enterprises spend money every day. That makes the infrastructure layer one of the industry's most valuable bets — and Baseten one of its biggest winners so far.
Read more: Meyka
Image credit: AI-generated image (Gemini)
