Sierra is an enterprise AI agent platform that helps organizations build and deploy conversational AI agents for customer experience, support, sales, and service operations. Founded by Bret Taylor and Clay Bavor, Sierra enables businesses to create AI agents that can understand customer requests, answer questions, resolve issues, manage accounts, and perform actions across connected business systems. The platform offers both no-code and developer tools, including Agent Studio and SDK capabilities, allowing teams to customize workflows, knowledge sources, brand voice, and customer journeys. Used by leading consumer brands across industries, Sierra helps organizations deliver personalized, always-on customer interactions while improving resolution rates, operational efficiency, and overall customer satisfaction.
✅ Pros
- Strong autonomous CX resolution
- Brand-tone customization
- Good for refunds and account tasks
- Forrester-recognized
❌ Cons
- Onboarding needs vendor engineers
- Limited reporting tools
🎯 Best For What
Teams adding autonomous customer support
How we scored Sierra
Ten dimensions, each out of 5. Nine are editorial; the tenth, Demand, is calculated from how often this page is actually read and is refreshed weekly. Full methodology
The marker shows the average for the AI Agents category (10 tools)
Overall 3.6 / 5 · reviewed 18 Sep 2026
Pricing
Paid Plans and prices change often, so we link to the source rather than repeat a figure that may already be wrong.
View current pricing on sierra.ai →Ready to try Sierra?
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