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Fin vs Sierra

Features, pricing, ratings, and pros and cons, side by side.

Fin logo

Fin

AI customer agent that resolves support conversations across chat, email and voice, billed per outcome

Free trial
Visit websiteView details
Sierra logo

Sierra

Enterprise AI agents that handle customer conversations across voice, chat and messaging, priced by outcome

Paid
Visit websiteView details

Verdict

Fin is listed under Customer Support and Sierra under AI Customer Support. Fin scores higher in FinderAtlas's editorial review (8.2 vs 7.6 out of 10), led by ease of use and feature depth. Neither has a free plan. Only Fin offers an API.

Best overall

Fin

  • Customer support teams
  • ecommerce and retail brands
  • software and technology companies
  • financial services

Choose Fin if

  • You want a tool built for automating high-volume support conversations with usage-based pricing on Intercom or an existing helpdesk.
  • Outcome-based pricing at $0.99 means no per-seat fee for Fin itself on non-Intercom helpdesks.
  • Works with existing helpdesks (Salesforce, Zendesk, HubSpot, Freshdesk) as well as Intercom.

Choose Sierra if

  • You want a tool built for large companies automating high-volume customer conversations across voice and digital channels with outcome-based pricing.
  • Outcome-based pricing ties cost to results rather than seats or tokens.
  • Covers voice, chat, SMS, WhatsApp, email and ChatGPT from one agent build.
Best for beginners
Fin
Best for business
Sierra

Features

19 features compared.

  • Fin Procedures
    Fin
    Available
    Sierra
    Not available
  • Multi-channel support
    Fin
    Available
    Sierra
    Not available
  • Four agent roles
    Fin
    Available
    Sierra
    Not available
  • Proprietary models
    Fin
    Available
    Sierra
    Not available
  • Self-managed configuration
    Fin
    Available
    Sierra
    Not available
  • Testing and observability
    Fin
    Available
    Sierra
    Not available
  • Fin Operator
    Fin
    Available
    Sierra
    Not available
  • Data connectors and MCP
    Fin
    Available
    Sierra
    Not available
  • Security and compliance
    Fin
    Available
    Sierra
    Not available
  • Agent Studio
    Fin
    Not available
    Sierra
    Available
  • Ghostwriter
    Fin
    Not available
    Sierra
    Available
  • Voice agents
    Fin
    Not available
    Sierra
    Available
  • Multi-channel deployment
    Fin
    Not available
    Sierra
    Available
  • Horizon
    Fin
    Not available
    Sierra
    Available
  • Context Engine
    Fin
    Not available
    Sierra
    Available
  • Insights and Explorer
    Fin
    Not available
    Sierra
    Available
  • Experiments
    Fin
    Not available
    Sierra
    Available
  • Knowledge management
    Fin
    Not available
    Sierra
    Available
  • Trust and reliability
    Fin
    Not available
    Sierra
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Fin
    Free trial
    Sierra
    Paid
  • Free plan
    Fin
    No
    Sierra
    No
  • Starting price
    Fin
    $0.99
    Sierra
    Custom
  • Plans
    Fin
    3 plans
    Sierra
    1 plan

Fin plans

  • Fin with your current helpdesk

    Most popular

    $0.99/outcome

    Fin added to Salesforce, HubSpot and other helpdesks

    • No integration or setup fees
    • Unlimited teammates
    • 50 outcomes per month minimum
    • Optional Copilot add-on

  • Fin with Intercom

    $0.99/outcome

    Fin plus the Intercom helpdesk, from $0.99 per outcome plus $29 per helpdesk seat per month

    • Configurable inbox and ticketing
    • Workflows
    • Help Center
    • Proactive Outbound

  • Pro add-on

    $100/month

    Add-on from $100 per month for advanced tooling

    • Operator
    • CX Score
    • AI Topics
    • Trends
    • Monitors

Sierra plans

  • Enterprise

    Most popular

    Custom/custom

    Outcome-based pricing quoted through Sierra sales

    • Agent Studio
    • Ghostwriter
    • Insights
    • Multiple channels
    • Context Engine

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed October 2026.

Fin
8.2overall
Sierra
7.6overall

Fin leads in 5 categories and Sierra in 0.

  • Ease of Use

    Fin leads by 0.5
    Fin
    8.0
    Sierra
    7.5

  • Feature Depth

    Fin leads by 0.5
    Fin
    9.0
    Sierra
    8.5

  • Value for Money

    Fin leads by 0.5
    Fin
    7.5
    Sierra
    7.0

  • Performance & Speed

    Fin leads by 0.5
    Fin
    8.5
    Sierra
    8.0

  • Documentation & Support

    Fin leads by 1.0
    Fin
    8.0
    Sierra
    7.0

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Fin

Pros

  • Outcome-based pricing at $0.99 means no per-seat fee for Fin itself on non-Intercom helpdesks.
  • Works with existing helpdesks (Salesforce, Zendesk, HubSpot, Freshdesk) as well as Intercom.
  • Procedures can take actions such as refunds and account updates, not only answer questions.
  • 14-day free trial with unlimited outcomes and no credit card.
  • Broad connector list plus MCP and REST API options.
  • Simulations and regression testing let teams check changes before release.

Cons

  • Costs scale with resolved volume, so spend is harder to predict than a flat subscription.
  • Operator, CX Score and Monitors need the Pro add-on from $100 per month; Fin Voice is sales-only with custom pricing.
  • The non-Intercom plan has a 50 outcome per month minimum.
  • The Fin API Platform is limited to customers with $250k or more annual spend, and custom API integrations require a Professional or Enterprise plan.

Sierra

Pros

  • Outcome-based pricing ties cost to results rather than seats or tokens.
  • Covers voice, chat, SMS, WhatsApp, email and ChatGPT from one agent build.
  • Ghostwriter can create agents from existing SOPs, transcripts or audio interviews.
  • Large enterprise customer base named on the homepage, including Uber, Vanguard and Hyatt.
  • Broad compliance list, including SOC 2, ISO 42001, HIPAA and FedRAMP.
  • Built-in analytics, monitors and experiments for tuning agent behavior.

Cons

  • No published pricing and no self-serve signup or free trial found.
  • Aimed at enterprises; small businesses are not the evident target.
  • Outcome-based billing can make monthly cost harder to forecast.
  • Public documentation for developers (API or SDK) was not found on the official site.

Platforms

  • Web
    Fin
    Supported
    Sierra
    Supported
  • Windows
    Fin
    Not supported
    Sierra
    Not supported
  • macOS
    Fin
    Not supported
    Sierra
    Not supported
  • iOS
    Fin
    Not supported
    Sierra
    Not supported
  • Android
    Fin
    Not supported
    Sierra
    Not supported
  • API
    Fin
    Supported
    Sierra
    Not supported
  • Browser Extension
    Fin
    Not supported
    Sierra
    Not supported

Integrations

Fin

15 integrations
  • Intercom
  • Zendesk
  • Freshdesk
  • Salesforce
  • HubSpot
  • Shopify
  • Stripe
  • Slack
  • WhatsApp
  • Jira
  • Linear
  • GitHub
  • Notion
  • Zapier
  • Snowflake

Sierra

9 integrations
  • Snowflake
  • Databricks
  • Redis
  • AWS
  • Google Cloud
  • Slack
  • Microsoft Teams
  • WhatsApp
  • ChatGPT

Company

  • Company
    Fin
    Intercom
    Sierra
    Sierra Technologies, Inc.
  • Founded
    Fin
    2011
    Sierra
    2023
  • Headquarters
    Fin
    San Francisco, USA
    Sierra
    San Francisco, USA
  • Listing
    Fin
    Claimed
    Sierra
    Claimed

Frequently asked questions

Is Fin better than Sierra?

It depends on your workflow. Fin is built for automating high-volume support conversations with usage-based pricing on Intercom or an existing helpdesk. Sierra is built for large companies automating high-volume customer conversations across voice and digital channels with outcome-based pricing.

What are the key feature differences between Fin and Sierra?

Fin: AI customer agent that resolves support conversations across chat, email and voice, billed per outcome. Sierra: Enterprise AI agents that handle customer conversations across voice, chat and messaging, priced by outcome.

Does Fin or Sierra have a free plan?

Neither has a free plan. Both Fin and Sierra are paid products.

Which is cheaper, Fin or Sierra?

Fin starts at $0.99 and Sierra starts at Custom. See the pricing table above for what each tier includes.