The best Sierra alternatives in 2026
Enterprise AI agent platform from Bret Taylor and Clay Bavor, sold on outcomes. Sierra scores 7.6/10 in our AI customer support ranking. 2 alternatives score higher. Every app below is scored with the same published rubric.
9 alternatives, best first
Full AI customer support ranking →- 1
Intercom Fin
Best forSupport teams of any size that want a proven AI agent with transparent per-resolution pricing
AI support agent priced per outcome that works in Intercom or your existing helpdesk
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free trial · from $0.99 per outcome
8.7/10★★★★★Visit ↗ - 2
Zendesk AI agents
Best forTeams already on Zendesk that want AI agents inside the same helpdesk
AI agents built into the Zendesk helpdesk, billed per automated resolution
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free trial · from $55/agent/month
7.9/10★★★★★Visit ↗ - 3
Tidio Lyro
Best forSmall online stores and businesses that want an AI chatbot running in minutes
Claude-powered AI agent for small businesses, with a free plan and 5-minute setup
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free plan · paid from $24.17/month
7.6/10★★★★★Visit ↗ - 4
Chatbase
Best forSmall teams and startups that want a self-serve AI support bot without a helpdesk switch
Self-serve AI support agent trained on your website and docs in minutes
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free plan · paid from $40/month
7.6/10★★★★★Visit ↗ - 5
Help Scout AI Answers
Best forSmall teams that live in email and want simple AI answers from their help center
Email-first helpdesk with an AI chatbot that answers from your help docs
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free plan · paid from $21/user/month
7.4/10★★★★★Visit ↗ - 6
Gorgias
Best forShopify and DTC stores that want AI to handle order and return questions
Ecommerce helpdesk whose AI agent handles orders, returns and shopping questions
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free trial · from $10/month
7.3/10★★★★★Visit ↗ - 7
Freshdesk Freddy AI
Best forSmall and mid-size teams that want an affordable helpdesk with AI included
Freshdesk helpdesk with the Freddy AI Agent and 500 free AI sessions
Has that Sierra doesn't: Free plan or self-serve free trial · Published, self-serve pricing
Free trial · from $19/agent/month
7.3/10★★★★★Visit ↗ - 8
Decagon
Best forFast-growing tech and consumer companies that want precise control over an enterprise AI agent
Enterprise AI concierge for chat, email and voice, steered with plain-English procedures
Paid
7.2/10★★★★★Visit ↗ - 9
Ada
Best forHigh-volume consumer brands that need one AI agent across many channels
Enterprise AI agent for voice, chat, email and messaging, run by playbooks
Has that Sierra doesn't: Works on top of an existing helpdesk (e.g. Zendesk, Salesforce)
Paid
6.8/10★★★★★Visit ↗
Quick answers
What is the best alternative to Sierra?
In our AI customer support ranking, Intercom Fin scores highest among the alternatives (8.7/10). Best for: Support teams of any size that want a proven AI agent with transparent per-resolution pricing. Sierra scores 7.6/10.
Is there a free alternative to Sierra?
Yes. Tidio Lyro has a free plan (50 live-chat conversations a month plus 50 free Lyro conversations), and scores 7.6/10 in our ranking.
Why look for a Sierra alternative?
Common reasons people switch: No public pricing; reviews describe enterprise-sized contracts. Needs significant engineering and deployment effort. Not built for small teams.