AI Unicorn Baseten
California AI Startup Baseten Valued at $13 Billion After Record Blackbird VC Investment
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California AI startup Baseten has raised $1.5 billion in a Series F funding round, pushing its valuation to $13 billion, according to Reuters. The round was led by Altimeter Capital, Conviction Partners, and Spark Capital, with Sands Capital and Wellington Management as co-leads.
Australia's top venture capital firm, Blackbird VC, made its biggest-ever single investment as part of the deal. Blackbird partner Michael Tolo called it a "signal of conviction," saying Baseten gives companies the "biggest shift in unit economics and competitive leverage" against big AI labs like OpenAI and Anthropic, Reuters reported.
Baseten's Revenue Jumped 20-Fold in One Year
Baseten's growth has been explosive. Its annualized revenue surged from $200 million in January 2026 to $600 million by March 2026 — a roughly 1,900% year-over-year increase, according to analysts cited by Reuters. CEO Tuhin Srivastava said the company now handles over 1 billion inference calls per day across 87 global clusters and 18 different cloud providers.
Baseten's valuation has also skyrocketed. It was worth around $200 million in early 2024. By January 2026, it hit $5 billion. Just five months later, it is now valued at $13 billion. Total funding raised now exceeds $2 billion.
What Baseten Does — And Why Companies Are Paying for It
Baseten sells what's called "inference" infrastructure. Inference is the process of running an AI model to get an answer — separate from the costly process of training the model in the first place. Instead of paying high fees to use OpenAI or Anthropic's AI, companies use Baseten to run their own fine-tuned, open-source AI models, such as Meta's Llama or DeepSeek.
The cost savings can be dramatic. One Baseten customer reported running AI tasks at just 30% of the cost of using GPT-4, according to research cited by Reuters. Srivastava said the company handles the hard, "unglamorous" parts of AI deployment — things like managing GPUs, controlling latency, and scaling up automatically when demand spikes.
Inference Is Becoming the Biggest Bet in AI Spending
The AI industry is shifting fast. In 2023, most AI money went toward training giant models. Now the focus is on running those models efficiently and cheaply. Industry estimates suggest inference will make up two-thirds of all AI compute spending by the end of 2026, up from one-third in 2023. Baseten is positioning itself as the go-to platform for that market.
Not everyone is fully convinced. Some analysts warn that Baseten's model — essentially renting GPUs and reselling compute — leaves it exposed to tight profit margins and rising GPU rental costs. Others argue Baseten's real value is its software layer, which lets customers route workloads across 18 clouds to avoid being locked in to any single provider. The entry of Wellington Management, a typically cautious institutional investor, is seen by some as a "signal of lasting viability" for the sector.
Blackbird's Record Bet Marks a Milestone for Australia
Blackbird VC's investment is likely the largest single outlay by any Australian venture firm, according to Reuters. The deal has an Australian angle beyond just Blackbird. Baseten co-founders Tuhin Srivastava and Phil Howes previously co-founded Shape Analytics in Australia before moving to San Francisco to start Baseten in 2019.
There is also a broader policy context. Australia's National AI Plan 2025 and a $1 billion fund under the National Reconstruction Fund signal the government's push to build "sovereign AI capability." Blackbird's record bet on a globally competitive AI infrastructure company gives that ambition a concrete, high-profile example.
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