Sierra AI
- Total Funding
- $1.5B
- Last Round
- $950.0M Series DMay 2026
- Rounds
- 3
About
AI startup featured in Crunchbase's biggest funding rounds.
Summary
Sierra AI is an Artificial Intelligence company. It has raised $1.5B in total across 3 rounds, most recently a $950.0M Series D round in May 2026. Investors include Greenoaks Capital, Tiger Global and GV.
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Funding History
May 2026
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Full funding history, per-round amounts, and investor participation.
Investors
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