Capacity vs Certainly (2026): Pricing, Features & Which to Choose

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: Capacity does not list a price
Free plan
Tie
Neither has one
Higher rating
Capacity
4.2 against 3.6
Same job?
Yes
Both are Customer Support tools

Side by side

Compared on	Capacity	Certainly
Our rating	4.2Better	3.6
Starts at	Not listed	Not listed
Free plan	No	No
Category	Customer Support	Customer Support
Plans	See pricing	See pricing
Key features	Shared AI Knowledge Layer connecting existing systems, data, and documentation Automated ticket, call, and email deflection across channels Real-time agent assist during live support conversations Automated QA scoring of support interactions Conversational intelligence and analytics across contact volume	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
Pros	Long track record dating back to 2017 with 20,000+ customers Covers voice, chat, email, and SMS from one connected knowledge base rather than separate point tools Company reports profitability and $60M ARR, suggesting operational stability	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
Cons	No published pricing, buyers must go through a sales quote process No free plan or self-serve trial for smaller teams to test before buying Built for contact-center scale, likely more platform than a small support team needs	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
Company	Capacity, founded 2017	Certainly, founded 2017

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

FAQ

Questions people ask

Is Capacity better than Certainly?

In our reviews Capacity scores 4.2 and Certainly scores 3.6. The better pick depends on the job. Capacity: A unified CX automation platform that deflects support tickets, calls, and emails through one AI Knowledge Layer connecting a company's existing systems. Certainly: Agentic AI agents that resolve customer inquiries across web, email, SMS and voice, running on Claude, Gemini, GPT or 200+ other models.

Which is cheaper, Capacity or Certainly?

Capacity: see pricing. Certainly: see pricing.

Do Capacity and Certainly have free plans?

Neither lists a free plan.