Sierra alternatives
15 AI agents do some of what Sierra does. Closest: Ada, Fin AI Agent and Lorikeet. Lowest listed starting price: Agentforce Service at $5/month.
| # | Agent | In common with Sierra | Agent Score | From | |
|---|---|---|---|---|---|
| 1 | Ada Enterprise AI customer service agent across voice, messaging and email that takes actions in business systems. | 5 of 5 Customer Chat · Email Automation · Translation · Voice Calls · Workflow Orchestration | 73 | On quote | Compare → |
| 2 | Fin AI Agent Outcome-priced AI agent that resolves support conversations across chat, email, voice and messaging. | 4 of 5 Customer Chat · Email Automation · Voice Calls · Workflow Orchestration | 72 | $29/mo | Compare → |
| 3 | Lorikeet Outcome-priced AI support concierge for fintech and healthtech across chat, email, voice, SMS and WhatsApp. | 4 of 5 Customer Chat · Email Automation · Voice Calls · Workflow Orchestration | 51 | $2100/mo | Compare → |
| 4 | Decagon Enterprise AI agents for chat, email and voice support driven by natural-language procedures (AOPs). | 4 of 5 Customer Chat · Email Automation · Voice Calls · Workflow Orchestration | 35 | On quote | Compare → |
| 5 | Parloa Enterprise AI agent platform for voice-first customer service, inbound and outbound. | 4 of 5 Customer Chat · Translation · Voice Calls · Workflow Orchestration | 29 | On quote | Compare → |
| 6 | Agentforce Service Salesforce's autonomous agents for service and sales, billed per conversation, credits or user add-on. | 3 of 5 Customer Chat · Voice Calls · Workflow Orchestration | 51 | $5/mo · free plan | Compare → |
| 7 | Forethought Agentic AI suite (Solve, Triage, Assist, Discover) that resolves, routes and classifies support tickets. | 3 of 5 Customer Chat · Email Automation · Voice Calls | 50 | On quote | Compare → |
| 8 | Yellow.ai Agentic AI platform for customer service across chat, voice and email on 35+ channels. | 3 of 5 Customer Chat · Email Automation · Voice Calls | 48 | Free plan | Compare → |
| 9 | Relevance AI Platform to build an 'AI workforce' of specialist agents for sales, support, marketing and HR. | 3 of 5 Email Automation · Voice Calls · Workflow Orchestration | 81 | On quote | Compare → |
| 10 | Crisp AI Agent All-in-one support inbox with an AI agent that automates customer conversations, priced per workspace. | 2 of 5 Customer Chat · Workflow Orchestration | 79 | $45/mo · free plan | Compare → |
| 11 | Chatbase No-code builder for AI support agents trained on your data, deployable on web, voice and helpdesks. | 2 of 5 Customer Chat · Voice Calls | 53 | $40/mo · free plan | Compare → |
| 12 | Botpress Platform for building and deploying LLM-powered AI agents for support across web, messaging and voice. | 2 of 5 Customer Chat · Workflow Orchestration | 50 | $150/mo · free plan | Compare → |
| 13 | Zendesk AI Agents AI agents built into Zendesk that autonomously resolve tickets, billed per automated resolution. | 2 of 5 Customer Chat · Email Automation | 48 | $25/mo · free plan | Compare → |
| 14 | Maven AGI Enterprise AI agents for text and voice support plus agent-assist inside Zendesk and Salesforce. | 2 of 5 Customer Chat · Voice Calls | 32 | On quote | Compare → |
| 15 | Gorgias AI Agent E-commerce AI agent trained on your Shopify catalog that resolves support tickets and helps convert shoppers. | 2 of 5 Customer Chat · Voice Calls | 23 | On quote | Compare → |
FAQ
What are the best alternatives to Sierra?
The closest are Ada, Fin AI Agent and Lorikeet: they share the most documented capabilities with Sierra. Across all 15 alternatives, the highest Agent Score is Relevance AI (81/100).
Is there a free alternative to Sierra?
Agentforce Service, Yellow.ai and Crisp AI Agent have a free plan or free tier, according to their pricing pages.
How alternatives are chosen: agents that document the most capabilities in common with Sierra come first, then agents in the same theme, then by Agent Score. Capabilities and prices come from vendor websites, with sources and dates on each agent's page. No vendor pays to appear here, and affiliate links never change this order.