Gladly vs Sierra
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Gladly if you want customer service platform with sidekick ai agents for chat and voice (Supervised agent, enterprise); choose Sierra if you want conversational ai agents for customer experience (Supervised agent, enterprise).
| Gladly | Sierra | |
|---|---|---|
| What it is | Customer service platform with Sidekick AI agents for chat and voice | Conversational AI agents for customer experience |
| Type | product-with-agents | agent |
| Autonomy | Supervised agent | Supervised agent |
| Pricing | enterprise | enterprise |
| Best for | mid-market, enterprise | enterprise, mid-market |
| Deployment | saas, api | saas, api |
| Modalities | text, voice, email | text, voice |
| Models | model-agnostic | model-agnostic |
| Protocols | rest-api, function-calling | function-calling, rest-api |
| Integrations | Shopify, Klaviyo, Attentive, Yotpo, Salesforce, Zendesk | Salesforce, Zendesk, Stripe |
| Capabilities | 4 documented | 3 documented |
Gladly
- +Genuinely omnichannel: one AI persona across chat, email, SMS, social, and voice with continuous context
- +Takes real actions via native two-way Shopify integration, not just deflection
- +No-code authoring for the Sidekick agent
- -Opaque, reportedly premium pricing with seat minimums and a contact-sales path
- -Model stack is not publicly disclosed
Sierra
- +Strong founding team and enterprise traction
- +Voice and chat in one platform
- +Emphasis on guardrails and measurement
- -Enterprise-only, contact-sales
- -Less suited to small or self-serve teams
Which should you choose?
Gladly is customer service platform with sidekick ai agents for chat and voice, best for mid-market, enterprise. Sierra is conversational ai agents for customer experience, best for enterprise, mid-market. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.