G2

Thiebauld G.

CTO

Small-Business (50 or fewer emp.)

8/27/2026

"Context-Aware Conversational AI with Fast Setup and Smooth Escalation"

4.5/5

What do you like best about Sierra?

The conversational AI feels genuinely context-aware rather than scripted — it maintains state across multi-turn interactions without losing track of what the customer already told it. Setup was faster than expected for a custom knowledge base integration, and the escalation logic to human agents is smooth, so customers rarely feel stuck in a loop. Review collected by and hosted on G2.com.

What do you dislike about Sierra?

The analytics dashboard is functional but a bit limited for deeper cohort analysis — we end up exporting data to a separate BI tool for anything beyond surface-level reporting. Also, customizing conversation flows for edge cases sometimes requires going back to their team rather than being fully self-serve, which slows iteration when you're moving fast. Review collected by and hosted on G2.com.

What problems is Sierra solving and how is that benefiting you?

Before Sierra, our support team was drowning in repetitive Tier-1 tickets — order status, returns, sizing questions — which left little bandwidth for the complex cases that actually need a human. Sierra now handles the bulk of that volume autonomously, which cut our average response time significantly and let us reallocate agents toward higher-value conversations and proactive outreach. It's also given us more consistent answers across channels, since the agent draws from the same knowledge base instead of relying on individual agents' memory. Review collected by and hosted on G2.com.