Sierra alternatives

At a glance

We list 14 other AI support agents as alternatives to Sierra: Ada, Botpress, Chatbase, Decagon, DocsBot, Fin, Forethought, Intercom, Lorikeet, SiteGPT, Tars, Tidio, Voiceflow and Yellow.ai.
Botpress, DocsBot, Tars, Tidio and Yellow.ai have a free plan.
Botpress, Chatbase, DocsBot, Intercom, Lorikeet and SiteGPT work with Slack, as Sierra does.
Botpress, Intercom and Tidio work with WhatsApp, as Sierra does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.

14 alternatives

Listed alphabetically. A tool is ranked by its reviews once it has 3.

Ada
AI customer service agents that autonomously resolve support inquiries for enterprises.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Salesforce or Freshworks.
Integrations shared with Sierra
None in common
Main features
Omnichannel multilingual CX, Continuous performance improvement, Playbooks
Security and compliance
SOC 2, GDPR, HIPAA
Compare with Sierra
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Botpress
The enterprise-grade AI agent platform for customer support, with no technical ceiling and no per-seat cost.
No reviews yet
Choose it over Sierra for: integration with HubSpot, Zendesk or Intercom.
Free plan
Yes
Paid plans from
Plus, $150 per month, billed annually (as of November 14, 2026)
Platforms
Web
Integrations shared with Sierra
Slack, WhatsApp
Main features
Natural language builder, Visual agent builder, Knowledge bases
Security and compliance
SOC 2, GDPR
Compare with Sierra
Be the first to review
Chatbase
Build, deploy, and optimize conversational agents across chat, email, and voice.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Gorgias or Shopify.
Paid plans from
Basic, $120 per month, billed yearly (as of November 13, 2026)
Free trial
7 days
Platforms
Web, Slack, WhatsApp
Integrations shared with Sierra
Slack
Main features
Procedures, Widgets, Built-in helpdesk
Security and compliance
SOC 2, HIPAA, SSO
Compare with Sierra
Be the first to review
Decagon
Build, optimize, and scale AI agents that treat every customer like the only one.
No reviews yet
Choose it over Sierra for: integration with Salesforce, Zendesk or Intercom.
Integrations shared with Sierra
None in common
Main features
Voice agents, Natural-language AOPs, Seamless escalations
Compare with Sierra
Be the first to review
DocsBot
DocsBot turns your knowledge base into AI agents.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Help Scout or Intercom.
Free plan
Yes
Paid plans from
Personal, $49 per month (as of November 14, 2026)
Free trial
Yes
Integrations shared with Sierra
Slack
Main features
AI actions, Many content sources, Lead collection forms
Security and compliance
SOC 2, GDPR, HIPAA, SSO
Compare with Sierra
Be the first to review
Fin
A customer agent that works across the entire customer journey, from service to sales.
No reviews yet
Choose it over Sierra for: integration with Salesforce, Zendesk or HubSpot.
Paid plans from
Fin AI Agent, $0.99 (as of November 14, 2026)
Free trial
14 days
Integrations shared with Sierra
None in common
Main features
Multi-step Procedures, Testing suite, Observability and insights
Security and compliance
SOC 2, ISO 27001, HIPAA, SSO
Compare with Sierra
Be the first to review
Forethought
AI agents that resolve customer issues automatically to lower support costs.
No reviews yet
Choose it over Sierra for: integration with Zendesk.
Free trial
Yes
Platforms
Mobile, Slack
Integrations shared with Sierra
None in common
Main features
Omnichannel AI agent, Smarter ticket classification, Agentic AI copilot
Security and compliance
SOC 2, GDPR
Compare with Sierra
Be the first to review
Intercom
A complete system for AI and human customer service
No reviews yet
Choose it over Sierra for: integration with Salesforce, HubSpot or Shopify.
Paid plans from
Fin AI Agent, $0.99 per Fin outcome, no seats required (as of October 20, 2026)
Free trial
14 days
Platforms
Web, API
Integrations shared with Sierra
Slack, WhatsApp
Main features
Fin AI Agent, Omnichannel inbox, Ticketing
Security and compliance
SOC 2, ISO 27001, GDPR, HIPAA, SSO
Be the first to review
Lorikeet
An AI concierge for complex, regulated customer support.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Intercom or Salesforce.
Paid plans from
Start, $2,100 per month, paid annually (as of November 14, 2026)
Free trial
30 days
Integrations shared with Sierra
Slack
Main features
Dreamweaver account manager, Simulations, Guardrails
Security and compliance
SOC 2, ISO 27001, HIPAA
Compare with Sierra
Be the first to review
SiteGPT
A personalized chatbot trained on your website content that instantly answers visitors' questions.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Crisp or Google Drive.
Paid plans from
Starter, $39 per month billed yearly (as of November 14, 2026)
Free trial
7 days
Platforms
iOS
Integrations shared with Sierra
Slack
Main features
Escalate to human, Lead generation, Analytics and insights
Security and compliance
SOC 2, GDPR, HIPAA
Compare with Sierra
Be the first to review
Tars
AI Agents for customer support and sales across every channel.
No reviews yet
Choose it over Sierra for: integration with Zapier, Google Analytics or Zendesk.
Free plan
Yes
Paid plans from
Premium, $499 per month (as of November 14, 2026)
Platforms
Web, WhatsApp, Email
Integrations shared with Sierra
None in common
Main features
Agent builder, Knowledge base RAG, Multichannel deployment
Security and compliance
SOC 2, GDPR, HIPAA, SSO
Compare with Sierra
Be the first to review
Tidio
Improve your business with sales, support, and customer service automation
No reviews yet
Choose it over Sierra for: integration with Shopify, WordPress or Zapier.
Free plan
Yes
Paid plans from
Starter, $24.17 per month (as of October 28, 2026)
Free trial
7 days
Platforms
Browser, Android, iOS, Windows, Mac
Integrations shared with Sierra
WhatsApp
Main features
Lyro AI agent, Multichannel inbox, Product recommendations
Security and compliance
SOC 2, GDPR, SSO
Be the first to review
Voiceflow
The AI agent platform for building, launching and scaling chat and voice AI agents for customer support.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Salesforce or Intercom.
Free trial
Yes
Integrations shared with Sierra
None in common
Main features
Playbooks, Workflows, Knowledge base
Security and compliance
SOC 2, ISO 27001, GDPR, HIPAA, SSO
Compare with Sierra
Be the first to review
Yellow.ai
Enterprise AI agents powered by 15+ LLMs for customer and employee experience automation.
No reviews yet
Choose it over Sierra for: integration with Zendesk, Salesforce or Genesys.
Free plan
Yes
Plans
Enterprise: Custom (as of November 13, 2026)
Integrations shared with Sierra
None in common
Main features
AI agent builder, Conversational knowledge base, AI copilot
Security and compliance
SOC 2, ISO 27001, GDPR, HIPAA
Compare with Sierra
Be the first to review

People who moved on from Sierra

From reviews of other tools that say they used Sierra before.

No reviewer has said they switched from Sierra yet.

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At a glance

We list 14 other AI support agents as alternatives to Sierra: Ada, Botpress, Chatbase, Decagon, DocsBot, Fin, Forethought, Intercom, Lorikeet, SiteGPT, Tars, Tidio, Voiceflow and Yellow.ai.

Botpress, DocsBot, Tars, Tidio and Yellow.ai have a free plan.

Botpress, Chatbase, DocsBot, Intercom, Lorikeet and SiteGPT work with Slack, as Sierra does.

Botpress, Intercom and Tidio work with WhatsApp, as Sierra does.

From each tool's own website and from published reviews. Each tool's page says when its facts were checked.