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Head to head · 2026

Certainly vs Kayako

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Certainly

Agentic AI agents that resolve customer inquiries across web, email, SMS and voice, running on Claude,…

3.6Not listed

Visit Certainly (opens Certainly in a new tab)

Kayako

Kay AI Agent triages, drafts replies, and learns from every human resolution - measured at 52%…

3.8Not listed

Visit Kayako (opens Kayako in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Certainly does not list a price

  • Free plan

    Tie

    Neither has one

  • Higher rating

    Kayako

    3.6 against 3.8

  • Same job?

    Yes

    Both are Customer Support tools

Side by side

Compared onCertainlyKayako
Our rating3.63.8Better
Starts atNot listedNot listed
Free planNoNo
CategoryCustomer SupportCustomer Support
PlansSee pricingSee pricing
Key features
  • Agentic AI agents that resolve customer inquiries end to end
  • Choice of models from several major providers, plus others through a gateway
  • Automatic model failover and cost-based model routing
  • Deployment on web chat, email, SMS, social media and voice
  • Integrations with business tools, including Shopify, Zendesk and Salesforce
  • Kay AI Agent - triage, drafting, and continuous learning from human resolutions
  • Measured 52% AI-resolved tickets, 87.2% deflection rate
  • Works alongside existing help desks (Zendesk, Freshdesk, Intercom, Salesforce)
  • Semantic search knowledge base
  • Enterprise security (SOC 2, GDPR, SSO/SAML)
Pros
  • Model-agnostic setup avoids lock-in to one AI provider
  • Agents act inside connected tools instead of only answering FAQs
  • One agent can cover web, email, SMS, social and voice
  • Continuous learning from human resolutions improves coverage over time, not a static model
  • Integrates with existing help desks rather than requiring a full platform switch
  • Results are measured and quantified (before/after ticket age, CSAT), not just claimed
Cons
  • Pricing may require a sales conversation: check the vendor's pricing page
  • Built for enterprise CX teams, so it's more than most small shops need
  • Autonomous resolution still needs a human escalation path for edge cases
  • No public pricing - requires booking a strategy session
  • White-glove implementation model means less self-serve control over setup
  • 80%-automation-in-90-days claim depends on ticket volume and complexity
CompanyCertainly, founded 2017Kayako

Prices come from each vendor's pricing page, last checked 20260826. Check the vendor before you buy.

FAQ

Questions people ask

Is Certainly better than Kayako?

In our reviews Certainly scores 3.6 and Kayako scores 3.8. The better pick depends on the job. Certainly: Agentic AI agents that resolve customer inquiries across web, email, SMS and voice, running on Claude, Gemini, GPT or 200+ other models. Kayako: Kay AI Agent triages, drafts replies, and learns from every human resolution - measured at 52% AI-resolved tickets and an 87.2% deflection rate.

Which is cheaper, Certainly or Kayako?

Certainly: see pricing. Kayako: see pricing.

Do Certainly and Kayako have free plans?

Neither lists a free plan.

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