Sierra alternatives
8 other agents in Customer Support Agents you can use instead of Sierra by Sierra. Ordered by community review count, then score. Scores come only from published community reviews; editorial evaluations never count toward them.
1.Ada
—0 community reviewsAda · Paid · medium setup · Support agent
Ada is an AI customer service automation platform trusted by brands like Meta, Shopify, and Air Canada to autonomously resolve customer inquiries at scale. It uses a reasoning-based approach to handle complex, multi-turn conversations across web, mobile, and messaging channels. Profile coming soon — submit your review if your team uses Ada for customer support automation.
2.Decagon
—0 community reviewsDecagon · Paid · high setup · Support agent
Decagon builds enterprise AI agents for customer experience teams, focused on resolving complex support conversations with deep business context. Public buyer interest is strong around deflection and reliability, while pricing and implementation are sales-led and better suited to larger teams.
3.Forethought
—0 community reviewsForethought · Paid · high setup · Support agent
Forethought provides AI support automation for answering, triaging, routing, and assisting customer support workflows. It is a strong candidate for teams with historical ticket data and support content, though buyers should evaluate pricing, platform fit, and post-acquisition roadmap clarity.
4.Freshdesk Freddy AI
—0 community reviewsFreshworks · Freemium · medium setup · Support agent
Freshdesk Freddy AI adds support automation, agent assistance, summaries, and chatbot capabilities to the Freshdesk helpdesk. It is a practical option for SMB and mid-market teams that value setup speed and cost efficiency over the deepest autonomous-agent controls.
5.Gorgias AI
—0 community reviewsGorgias · Paid · medium setup · Support agent
Gorgias AI is a customer support automation layer for ecommerce brands, especially Shopify merchants that need ticket deflection, order-aware responses, and support-to-sales workflows. It is strongest in retail support contexts and less broad than enterprise helpdesk platforms.
6.Intercom Fin
—0 community reviewsIntercom · Usage-based · low setup · Support agent
Intercom Fin is an AI customer support agent that handles the full resolution lifecycle — understanding customer queries, searching your knowledge base, taking actions, and escalating to humans when needed. It is deeply integrated into Intercom's customer messaging platform and has achieved industry-leading resolution rates for software companies. Profile coming soon — submit your review if your team is running Fin in production.
7.Tidio Lyro
—0 community reviewsTidio · Freemium · low setup · Support agent
Lyro is Tidio's AI customer service agent for SMB support and ecommerce chat. It is known for fast setup, approachable automation, and usage-based conversations, with the main caveat that more complex support operations may outgrow the workflow depth.
8.Zendesk AI
—0 community reviewsZendesk · Paid · medium setup · Support agent
Zendesk AI brings autonomous support agents, agent-assist workflows, triage, knowledge suggestions, and automation into Zendesk Service. It is strongest for teams that already rely on Zendesk and want AI support inside an established helpdesk, with mature routing, reporting, and escalation controls.