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Telecommunications · head to head

Five9 vs ON24

Five9 logo

Five9

Telecommunications

Intelligent cloud contact center

From
$149/month
Rated
-
Full reviewWebsite
ON24 logo

ON24

Webinars

The digital engagement platform

From
$2000/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Five9 a 50 seat minimum applies to the published rates, so the entry cost on the $119 Digital plan is $5,950 a month; ON24 the Internet Archive's capture of ON24's homepage on 1 January 2021 named five distinct platform tiers, Webcast Elite, Engagement Hub, Target, Intelligence, and Connect, but pointed visitors to a 'Find your pricing fit' quiz rather than publishing figures.
  • They diverge on capability: Five9 covers Intelligent routing, ON24 covers Live webinars.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Five9 and ON24 actually diverge.

Attributes where Five9 and ON24 differ
AttributeFive9ON24
Starting price$149/month$2000/month
PlatformsWeb, DesktopWeb, Ios, Android
CategoryTelecommunicationsWebinars
Founded20011998

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Five9

  • Intelligent routing
  • IVR
  • ACD
  • Dialer
  • WFM
  • Quality management
  • Analytics
  • ServiceNow

Only in ON24

  • Live webinars
  • Virtual events
  • Engagement hub
  • AI-powered analytics
  • Content hubs
  • Marketo
  • Eloqua
  • HubSpot

Both cover

  • Salesforce
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Five9

  • Cloud contact centre across voice, chat, email and social messagingnot ON24
  • Routing and managing high volume customer interactionsnot ON24

ON24

  • Event planningnot Five9
  • Ticket salesnot Five9
  • Attendee managementnot Five9
  • Virtual eventsnot Five9
  • Event marketingnot Five9

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Five9

  • A 50 seat minimum applies to the published rates, so the entry cost on the $119 Digital plan is $5,950 a month
  • Prices are per concurrent user rather than per named agent, which changes what a seat means when shifts overlap
  • Voice is excluded from the Digital plan and requires a quote
  • Usage based charges apply on top of the per seat rate
  • Three of the five tiers publish no price at all

ON24

  • The Internet Archive's capture of ON24's homepage on 1 January 2021 named five distinct platform tiers, Webcast Elite, Engagement Hub, Target, Intelligence, and Connect, but pointed visitors to a 'Find your pricing fit' quiz rather than publishing figures.

Pricing, plan by plan

Five9

$149/month
  • Core$149/month
    • Inbound/outbound
    • IVR
    • Basic CTI
  • Premium$169/month
    • Core + Chat/email
    • Quality management
  • Optimum$199/month
    • Premium + WFM
    • Proactive chat
  • Ultimate$229/month
    • Full suite
    • Advanced analytics

ON24

$2000/month
  • Core$2000/month
    • Webinars
    • Engagement tools
    • Basic analytics
  • Professional$4000/month
    • Virtual events
    • Advanced analytics
    • Integrations
  • Enterprise$8000/month
    • Full platform
    • AI insights
    • Dedicated success manager

Which should you pick?

Choose Five9 if

  • You need intelligent routing.
  • You work on Web, Desktop.
  • You also want ivr.
Five9 review

Choose ON24 if

  • You need live webinars.
  • You work on Web, Ios, Android.
  • You also want virtual events.
ON24 review

Questions people ask

Is Five9 or ON24 better?
Neither clearly leads. Five9 starts at $149/month and ON24 at $2000/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Five9 or ON24?
Five9 starts at $149/month and ON24 at $2000/month.
Does Five9 or ON24 run on more platforms?
Five9 runs on Web, Desktop. ON24 runs on Web, Ios, Android.
What is Five9 best used for?
Five9 is most often used for cloud contact centre across voice, chat, email and social messaging, routing and managing high volume customer interactions. Of those, cloud contact centre across voice, chat, email and social messaging and routing and managing high volume customer interactions are not what ON24 is typically brought in for.
What can Five9 do that ON24 cannot?
Five9 covers Intelligent routing, IVR, ACD, Dialer. ON24 covers Live webinars, Virtual events, Engagement hub, AI-powered analytics. Both handle Salesforce, Web support.

Answered from the vendors’ own pages

Five9: What is the minimum team size required to use Five9?

Five9 requires a minimum commitment of 50 seats for any subscription plan.

Source
Five9: How is Five9 pricing calculated, per user, flat rate, or usage-based?

Five9 offers flexible pricing models: per concurrent user, per named agent, or pay-per-use. The pricing structure varies depending on the chosen bundle.

Source
Five9: What does the entry-level Digital bundle include, and what does it cost?

The Digital bundle costs $119 per month per seat and supports digital channels only. Higher tiers (Core at $159, Plus, Pro, and Enterprise) are available, with Plus/Pro/Enterprise requiring contact with sales for pricing.

Source
Five9: Are there additional charges beyond the base subscription?

Yes. All bundles include 3000 AI minutes per seat, but additional AI usage incurs charges. SMS messaging also has usage-based charges applied separately.

Source
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