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The modern Sierra alternative
that resolves up to 80% of support

Best Sierra alternative for AI customer support. Fibi resolves quick questions and complex issues, and your team takes the rest.

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Fibi AI AgentResolve questions and take action for customers from your own docs, at any hour.Learn moreExplore Fibi AI Agent
Fibi AI AgentResolve questions and take action for customers from your own docs, at any hour.Learn moreExplore Fibi AI Agent
Resolution

Trained on your data,resolves within your rules

Custom Fibi Actions

  1. It learns from your files, websites, help center and Q&As, and answers only from what you gave it.

  2. It follows your instructions step by step and runs your Custom Actions to check, change or fix things for the customer.

  3. Set rules it never breaks, choose when it hands over, and route who gets the AI agent and who gets a person.

Channels

Answers on every channel,with the same knowledge and rules

  • Live chat

    Answers in the Messenger on your website and in your app.

  • Email

    Replies to the emails sent to your support address.

  • Slack

    Answers in the Slack channels you share with customers.

  • Microsoft Teams

    Answers in the Teams channels you share with customers.

  • WhatsApp

    Replies to WhatsApp messages with the same knowledge.

Handover

Best-in-class help desk,for everything AI canā€™t handle

Explore Help Desk

  1. In the inbox, the teammate sees the whole conversation and the sources behind every AI agent reply. Copilot catches them up in one click.

  2. Free users get the AI agent, Pro goes to your support team, Enterprise gets an SLA and your priority team. You set it with a workflow.

  3. When the AI agent canā€™t solve it, a teammate joins the same conversation. The customer never repeats the question.

Pricing

Simple, transparent pricing.No sales calls. Start today.

Fibi, our AI agent, resolves most conversations in seconds. You pay only when it resolves one.

Fibi AI agentLeading AI agents
Average resolution rate73%65%
Price$0.49per resolution$0.99ā€“$2.00per outcome or resolution

Intercom Fin $0.99 per outcome. Zendesk $1.50ā€“$2.00 per resolution.

How resolutions workSee pricing

ā€œFeaturebase solves more than 80% of our support queries with AI. The answers are so perfect it feels like magic.ā€
Umar KhanCo-founder at SocialBu

Built for support at scale. Ready for your next stage of growth.

Customer issues
30M+
Countries
186+
Customers
1,600+
Uptime
>99.99%

Your customer data, protected

Explore securityTalk to sales
  • SOC 2 Type II
  • GDPR
  • CCPA

Trusted by fastā€‘moving support teams.

Read customer stories
ā€œOur support email was filled. Featurebase unifies both private support chats with public support tickets.ā€
Michael LingelbachCo-founder, CEO
ā€œFeaturebase helps us turn customer support into actionable items for our product roadmap, which has been very effective.ā€
Gabriel FerrazFounder

FAQs about Sierra vs Featurebase

What is the best Sierra alternative?

Featurebase is the modern Sierra alternative: Fibi, our AI agent, resolves up to 80% of support questions from your help center and docs, takes actions through your API, and hands the rest to your team in the same inbox. It costs $0.49 per resolution.

Do I need a separate help desk for Fibi?

No. Fibi is part of Featurebaseā€™s help desk. When it canā€™t answer, a teammate joins the same conversation and sees everything Fibi said, and a workflow decides which team gets it.

How long does it take to switch from Sierra to Fibi?

Minutes. Your Featurebase content is a source from the start. Write your instructions, pick the audience, and turn Fibi on.

Can I try Fibi before I switch from Sierra?

Yes. Start the 10-day free trial, connect your help center and other sources, write your instructions, and turn Fibi on for the audience you pick.

How is Fibi different from Sierra?

Fibi works inside a complete support platform: the inbox your team works in, and the Help Center, changelog and feedback portal it learns from. It shows where it had no good answer and drafts the fix for you to approve.

What does Fibi learn from?

Your Help Center articles and API reference, changelog and feedback portal, plus files, websites and Q&A you add.

Can Fibi do more than answer?

Yes. Write the steps in your Custom Instructions, and connect your API with Custom Fibi Actions (GET, POST, PUT or DELETE). Fibi checks, changes or looks up data in the conversation. Actions are on Professional and Enterprise.

How does Fibi get better?

Fibi shows where it had no good answer: missing articles, actions and knowledge, with the conversations behind each, and drafts the fix. You can also click Improve answer on any Fibi reply in the inbox: AI suggests the change to the article it used, or a Q&A snippet that Fibi uses next time.

Is my data used to train AI models?

No. Your data is never used to train AI models. Featurebase is SOC 2 Type II certified and GDPR compliant. See security.

How much does Fibi cost?

$0.49 per resolution, on Growth, Professional and Enterprise. You pay once per conversation, and only when Fibi resolves it. See pricing.

Featurebase vs other AI agents

All comparisons

Best Sierra alternative. Start for free today.

Join 1600+ modern software companies automating their support with Featurebase across all channels.

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