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Sierra

Conversational AI agent platform for brands to handle customer service in chat and voice.

PaidAI Customer Support#10 in Customer Supportby Sierra

What is Sierra?

Sierra builds AI agents that talk with customers on behalf of companies. The agents can answer questions and take actions like updating orders or bookings, following the company's policies. It is aimed at large consumer brands.

Best for: Large consumer brands automating customer conversations.

What you can do with Sierra

  1. Let customers change a booking by chat

  2. Handle routine calls with a voice agent

  3. Keep answers within company policy

Key features

  • AI agents that take real actions
  • Chat and voice channels
  • Brand voice and policy controls
  • Quality monitoring

Sierra pros and cons

Pros

  • Agents can complete tasks, not just answer
  • Works in chat and voice

Cons

  • Built for enterprises; no self-serve plan

Sierra pricing

Paid

Sierra is a paid tool; there is no ongoing free plan. Plans change often, so check the official site for current prices.

How to get started

  1. Open sierra.ai and create a free account or start the trial.
  2. Try one real task first: let customers change a booking by chat.
  3. Compare the result with Intercom or Zendesk, then keep the one that fits how you work.

Compare Sierra

Side-by-side comparisons of features, pricing, pros and cons.

Sierra alternatives

Other tools that do a similar job, ranked by our editors.

  • Intercom

    Free trialEditor's pick

    Customer service platform with Fin, an AI agent that resolves support questions automatically.

    AI Customer SupportVisit
  • Zendesk

    Free trial

    Customer service suite with ticketing, AI agents and agent copilot features.

    AI Customer SupportVisit
  • Freshdesk

    Free + Paid

    Helpdesk software with Freddy AI for automatic answers, reply drafting and ticket sorting.

    AI Customer SupportVisit
  • Help Scout

    Free trial

    Friendly shared inbox and help center with AI answers, summaries and reply drafting.

    AI Customer SupportVisit
  • Tidio

    Free + Paid

    Live chat and chatbot tool for websites, with the Lyro AI agent to answer shoppers.

    AI Customer SupportVisit
  • Front

    Free trial

    Shared inbox for customer communication with AI that drafts, tags and summarises messages.

    AI Customer SupportVisit

Top AI customer support tools

How Sierra compares with the best in AI Customer Support.

  1. 1. Intercom

    Free trial

    Customer service platform with Fin, an AI agent that resolves support questions automatically.

  2. 2. Zendesk

    Free trial

    Customer service suite with ticketing, AI agents and agent copilot features.

  3. 3. Freshdesk

    Free + Paid

    Helpdesk software with Freddy AI for automatic answers, reply drafting and ticket sorting.

  4. 4. Help Scout

    Free trial

    Friendly shared inbox and help center with AI answers, summaries and reply drafting.

  5. 5. Tidio

    Free + Paid

    Live chat and chatbot tool for websites, with the Lyro AI agent to answer shoppers.

See all 12 AI customer support tools

Sierra FAQ

What is Sierra?

Sierra builds AI agents that talk with customers on behalf of companies. The agents can answer questions and take actions like updating orders or bookings, following the company's policies. It is aimed at large consumer brands.

Is Sierra free?

Sierra is a paid tool; there is no ongoing free plan. Check the official site for current limits and prices.

What can you do with Sierra?

With Sierra you can let customers change a booking by chat; handle routine calls with a voice agent; keep answers within company policy.

Who is Sierra best for?

Large consumer brands automating customer conversations.

Does Sierra have an app?

Sierra runs as web app; we know of no dedicated phone or desktop app.

Who makes Sierra?

Sierra is made by Sierra.

What are the best alternatives to Sierra?

Popular alternatives include Intercom, Zendesk, Freshdesk and Help Scout. See the full ranking on our AI Customer Support page.

AltFTool is not affiliated with Sierra. This summary was written by our editors from the tool's public information. Browse all 451 AI tools