Softwr

Customer Support · head to head

Cresta vs Slimchat

Cresta logo

Cresta

Customer Support

Real-time AI coaching and autonomous agents that sit on top of an existing contact centre platform

From
On request
Free plan
No
Full reviewWebsite
S

Slimchat

Live Chat

Lightweight live chat solution for websites

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Slimchat has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cresta cresta depends on the CCaaS platforms it integrates with, and NICE, Genesys and Five9 are all shipping native real-time assist and auto-QA of their own, so at renewal you may be paying twice for capability your platform vendor will bundle at a discount.; Slimchat the vendor's own homepage as captured by the Internet Archive on 19 August 2018 (via Novosi, LLC) shows SlimChat was still pre-release at that date, offering an email signup for '3 months FREE' with an 'Expected release: summer 2018' notice and a $15 incentive to test a tour version; combined with the live site now serving a mismatched Squarespace certificate, this indicates the product likely never reached a stable commercial release
  • They diverge on capability: Cresta covers Real-time agent assist, Slimchat covers Live chat widget.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Cresta and Slimchat actually diverge.

Attributes where Cresta and Slimchat differ
AttributeCrestaSlimchat
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, APIWeb, Mobile responsive
CategoryCustomer SupportLive Chat
FoundedUnknown2016

Identical on both: 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 Cresta

  • Real-time agent assist
  • Autonomous AI Agent
  • Conversation intelligence
  • Automated quality management
  • Behavioural coaching
  • Knowledge surfacing
  • Multilingual deployment
  • Supervisor dashboards

Only in Slimchat

  • Live chat widget
  • Lightweight design
  • Fast loading
  • Visitor information
  • Zapier
  • API
  • Webhooks
  • Web support

What people use each for

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

Cresta

  • A 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent Genesys deploymentnot Slimchat
  • An insurance contact centre replacing manual QA sampling of two per cent of calls with automated scoring of every call for regulatory evidencenot Slimchat
  • A retail support operation deploying autonomous voice agents on high-volume order status calls while keeping humans on complex claimsnot Slimchat
  • A contact centre director who needs to prove which specific agent behaviours drive outcome differences, rather than relying on post-call survey scoresnot Slimchat

Slimchat

  • Customer engagementnot Cresta
  • Lead generationnot Cresta
  • Customer supportnot Cresta
  • Sales automationnot Cresta

Where each one falls short

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

Cresta

  • Cresta depends on the CCaaS platforms it integrates with, and NICE, Genesys and Five9 are all shipping native real-time assist and auto-QA of their own, so at renewal you may be paying twice for capability your platform vendor will bundle at a discount.
  • Pricing is not published and contracts are seat-based and annual at enterprise scale, which in practice means six-figure commitments and a procurement cycle measured in months rather than weeks.
  • Real-time guidance only pays back where conversation outcomes are measurable and repeatable, so support teams handling long, varied, low-volume cases rarely recover the licence cost.
  • Deploying real-time assist requires agents to accept on-screen prompting mid-call, and contact centres with strong union representation or experienced tenured agents frequently see adoption resistance that no amount of model quality fixes.
  • Automated quality scoring changes what agents are measured on, and organisations that switch from human QA without rewriting their evaluation rubric and appeals process create industrial-relations problems that surface months after go-live.

Slimchat

  • The vendor's own homepage as captured by the Internet Archive on 19 August 2018 (via Novosi, LLC) shows SlimChat was still pre-release at that date, offering an email signup for '3 months FREE' with an 'Expected release: summer 2018' notice and a $15 incentive to test a tour version; combined with the live site now serving a mismatched Squarespace certificate, this indicates the product likely never reached a stable commercial release

Pricing, plan by plan

Cresta

On request
  • Cresta$undefined/year
    • AI Agent
    • Agent Assist
    • Conversation Intelligence

Slimchat

Free
  • FreeFree
    • Live chat
    • 1 agent
    • Basic features
  • Pro$20/month
    • Multiple agents
    • Advanced options
  • Business$50/month
    • Unlimited features
    • Priority support

Which should you pick?

Choose Cresta if

  • You need real-time agent assist.
  • You work on Web, API.
  • You also want autonomous ai agent.
Cresta review

Choose Slimchat if

  • You need live chat widget.
  • You want to start without paying.
  • You work on Web, Mobile responsive.
  • You also want lightweight design.
Slimchat review

Questions people ask

Is Cresta or Slimchat better?
Neither clearly leads. Cresta starts at On request and Slimchat at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cresta or Slimchat?
Slimchat has a free tier; the other does not. Paid plans start at On request for Cresta and Free for Slimchat.
Does Cresta or Slimchat run on more platforms?
Cresta runs on Web, API. Slimchat runs on Web, Mobile responsive.
Can I use Slimchat for free?
Yes. Slimchat has a free tier, so you can try it without paying. Cresta starts at On request.
What is Cresta best used for?
Cresta is most often used for a 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent genesys deployment, an insurance contact centre replacing manual qa sampling of two per cent of calls with automated scoring of every call for regulatory evidence, a retail support operation deploying autonomous voice agents on high-volume order status calls while keeping humans on complex claims, a contact centre director who needs to prove which specific agent behaviours drive outcome differences, rather than relying on post-call survey scores. Of those, a 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent genesys deployment and an insurance contact centre replacing manual qa sampling of two per cent of calls with automated scoring of every call for regulatory evidence are not what Slimchat is typically brought in for.
What can Cresta do that Slimchat cannot?
Cresta covers Real-time agent assist, Autonomous AI Agent, Conversation intelligence, Automated quality management. Slimchat covers Live chat widget, Lightweight design, Fast loading, Visitor information.

Answered from the vendors’ own pages

Cresta: Does Cresta replace my contact centre platform?

No. It is designed to sit on top of NICE, Genesys, Five9, Amazon Connect and similar platforms, which is why it is chosen where a full CCaaS migration is not feasible.

Cresta: What does it cost?

Cresta does not publish pricing. Contracts are seat-based and annual, and at the enterprise scale it sells into they are typically six figures per year.

Cresta: Is it viable for a contact centre under 100 seats?

Rarely. The commercial model, implementation effort and required outcome measurement all assume several hundred seats or more.

Cresta: Who owns Cresta?

It is an independent venture-backed company, having raised roughly 282 million USD in total including a 125 million USD Series D in November 2024 co-led by World Innovation Lab and the Qatar Investment Authority.

Share

Related pages

More on Cresta

More on Slimchat

Keep looking

Other head to heads