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Sail Research raises $80M to optimize long-horizon AI agents
Summary
Inference startup Sail Research Inc. today announced that it has raised $80 million in funding at a $450 million valuation. The company received the bulk of the capital in the form of a Series A round led by Sequoia. It earlier raised a seed round led by Kleiner Perkins. Sail Research also counts In
Why It Matters
Signals increasing investor interest and capital allocation in AI startups.
Referenced Coverage & Sources
Sail Research raises $80M to optimize long-horizon AI agents
SiliconANGLE•Jun 26, 2026
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