SimThe open-source AI workspace to build, distribute, and govern AI agents
vs
ZendeskAI-powered customer service platform
Comparison · AI Agents · weekly run Nov 3
Sim vs Zendesk
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Zendesk is the stronger AI pick in AI Agents: it has a visibility score of 4.8 versus 2.3 for Sim.
Choose Sim if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- You need ISO 27001 or GDPR coverage
- Technical control and model flexibility
Choose Zendesk if…
- You want the brand AI engines rank higher (4.8 vs 2.3)
- You want a lower entry price ($19 vs $25)
- You need more native integrations (1800+ vs 275+)
- You need ISO 27001:2022 or ISO 27018:2019 or ISO 27701:2019 or ISO 27017:2015 or ISO 42001:2023 or FedRAMP LI-SaaS or Cyber Essentials Plus coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Sim | Zendesk |
|---|---|---|
| Visibility score | 2.3% | 4.8% |
| Change vs last week | New | New |
| Rank in AI Agents | #39 | #25 |
| Share of voice | 0.7% | 0.9% |
| Mentions this run | 5 | 6 |
| Positive in AI answers | — | 34% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Sim 0pp · Zendesk 0pp over 0 weekly runs.
Engine by engine
Zendesk leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
SimZendesk
Head to head in AI answers
0 engine answers name both brands
0Sim ranked higher
0Zendesk ranked higher
Features, pricing & fit
| Dimension | Sim | Zendesk |
|---|---|---|
| Pricing model | Per seat | Per seat |
| Entry price | Free; paid from $25 per seat / mo | $19 per seat / mo |
| Free plan | Yes | No |
| Deployment | Cloud-hosted, or self-hosted in your own cloud with Docker or Kubernetes | Cloud (SaaS) |
| Integrations | 275+ | 1800+ |
| Compliance | SOC 2 Type II, ISO 27001, GDPR | SOC 2 Type II, ISO 27001:2022, ISO 27018:2019, ISO 27701:2019, ISO 27017:2015, ISO 42001:2023, FedRAMP LI-SaaS, Cyber Essentials Plus |
| Support | Dedicated support on the Enterprise plan | Help Center, Community, Partners |
| Founded | 2025 | 2007 |
| Headquarters | San Francisco, CA, United States | San Francisco, California, United States |
| Employees | 11–50 | 5,000+ |
| Funding | Series A · $7M raised | Take-private (Hellman & Friedman, Permira) |
| Best for | Companies that need to build, deploy, and govern AI agents across the organization with central control over access, spend, and data | Support teams from startups to enterprises that need omnichannel ticketing with AI automation |
Plans side by side
Sim
Free$0free forever
Pro$25per user/month, billed monthly
Max$100per user/month, billed monthly
EnterpriseCustomcustom, talk to sales
Zendesk
Support Team$19agent/month paid yearly
Suite Team$55agent/month paid yearly
Suite Professional$115agent/month paid yearly
Suite Enterprise + CopilotCustomcontact sales
Pros and cons
Themes from the AI answers that mention each brand
Sim
- Technical control and model flexibility
- Self-hosting option
Zendesk
- Industry leader in omnichannel customer support
- Scalable platform for large enterprise teams
- Mature ticketing operations and SLA management
- Extensive marketplace and broad integrations
- Free trial available for 14 days
- Heavy, slow deployment compared with lighter tools
- High per-agent costs
- AI add-ons billed separately on top of base fee
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Sim vs Zendesk”, https://slateindex.ai/compare/sim-vs-zendesk, data of Nov 3, 2026. Licence: CC BY 4.0.