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Sierra

Agents & dev tools · US

Sierra was valued at $15.8B as of 4 May 2026 (verified). Source: TechCrunch, Sierra raises $950M as the race to own enterprise AI gets serious (Series E at a $15.8B post, led by Tiger Global and GV).

Customer-experience agents; Bret Taylor's company. ~$200M ARR at the May 2026 Series E.

Valuation
$15.8B
Confidence
verified
As of
4 May 2026
Layer
Agents & dev tools
Signal
CX agents
Website
sierra.ai

Relationships (2)

Sierra backed by

Sierra routes to

Sources

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Last updated 4 May 2026. Follow Sierra in any feed reader to hear when its valuation moves.

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