Both are support tools. Sierra has the higher Solthar Score, 82 to 81. Sierra is paid only; Zendesk AI is paid only.
| Sierra | Zendesk AI | |
|---|---|---|
| Category | Support · Service | Support · Service |
| Pricing | Paid | Paid |
| Free trial | No | Yes |
| Solthar Score | 82/100 | 81/100 |
Sierra: what it does
Voice and chat customer agents for large consumer brands. Sierra is paid only. Solthar Score: 82/100.
Key features
- AI agents for chat, phone, SMS, WhatsApp and email
- Tools to design and test agents
- Connects to your company's systems to take action
Strengths
- Used by big brands like SiriusXM and Hyatt
- You pay for results, not seats
Trade-offs
- Built for large companies
- No public pricing
Zendesk AI: what it does
Ticket triage, summaries and suggested replies at helpdesk scale. Zendesk AI is paid only, with a free trial. Solthar Score: 81/100.
Key features
- AI agents that answer customers on their own
- Summaries and suggested replies for support staff
- Sorts and routes tickets automatically
Strengths
- AI agents included on every Suite plan
- 14-day free trial
Trade-offs
- Advanced AI is a paid add-on
- Extra automated answers are charged one by one
Which should you choose?
Choose Sierra if used by big brands like siriusxm and hyatt matters most to you. Choose Zendesk AI if ai agents included on every suite plan matters more. If you only try one, Sierra scores higher overall.