Skip to main content
NeuronFeed Submit a startup

Sierra · Series b

Conversational AI agents for every business

Amount

$175M

Round

Series b

Valuation

$4.5B

Announced

Oct 2024

Notes

Led by Greenoaks Capital

📎 Source

Other Sierra rounds

Date Round Amount
Sep 2025 Series c $350M Details →
Sep 2025 Series C $350M Details →
Oct 2024 Series b $175M Details →
Feb 2024 Series a $110M Details →
Feb 2024 Series A $110M Details →