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AI infra

The full thread of our Altimeter Capital coverage — a running record of every development we've tracked, with the VC take on each.

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Jun 18, 2026
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Coverage Timeline

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  1. FUNDINGBaseten Raises $1.5B Series F at a $13B Valuation as AI Inference Demand Explodes→
  2. FUNDINGBaseten Reportedly Raising ~$1.5B at a $13B Valuation as AI Inference Becomes the Hot Trade→

All Coverage

FUNDING$1.5B

Baseten Raises $1.5B Series F at a $13B Valuation as AI Inference Demand Explodes

AI inference provider Baseten closed a $1.5 billion Series F at a $13 billion valuation, the largest funding round of the week, led by Altimeter Capital and Conviction Partners with Spark, Sands and Wellington participating. The raise underscores how serving AI models -- not just training them -- has become one of the most valuable and capital-intensive layers of the stack.

Jun 26, 2026
FUNDING~$1.5B

Baseten Reportedly Raising ~$1.5B at a $13B Valuation as AI Inference Becomes the Hot Trade

AI inference platform Baseten is reportedly raising roughly $1.5 billion at a valuation of up to $13 billion -- tripling its mark in about five months -- co-led by Spark Capital, Sands Capital, Altimeter and Wellington. The round captures investors racing into the layer that actually serves AI models in production, where Baseten's ARR has reportedly jumped from $200M to $600M.

Jun 18, 2026