SimThe open-source AI workspace to build, distribute, and govern AI agents
vs
WorkdayRecruiting
Comparison · AI Agents · weekly run Nov 3
Sim vs Workday
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Sim is the stronger AI pick in AI Agents: it has a visibility score of 2.3 versus 1.7 for Workday.
Choose Sim if…
- You want the brand AI engines rank higher (2.3 vs 1.7)
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or GDPR coverage
- Technical control and model flexibility
Choose Workday if…
- You need SOC 1 or SOC 2 or ISO 27017 or ISO 27018 or ISO 27701 or EU-U.S. Data Privacy Framework (self-certified) coverage
- You prefer a larger, established vendor (5,000+ employees)
- Strong for large enterprise HCM and workforce management
- Seamless integration within broader HR and finance ecosystem
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Sim | Workday |
|---|---|---|
| Visibility score | 2.3% | 1.7% |
| Change vs last week | New | New |
| Rank in AI Agents | #39 | #47 |
| Share of voice | 0.7% | 0.6% |
| Mentions this run | 5 | 4 |
| Positive in AI answers | — | 29% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Sim 0pp · Workday 0pp over 0 weekly runs.
Engine by engine
Sim leads on 1 of 3 engines
ChatGPT
AI Mode
Perplexity
SimWorkday
Head to head in AI answers
0 engine answers name both brands
0Sim ranked higher
0Workday ranked higher
Features, pricing & fit
| Dimension | Sim | Workday |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Free; paid from $25 per seat / mo | — |
| Free plan | Yes | — |
| Deployment | Cloud-hosted, or self-hosted in your own cloud with Docker or Kubernetes | Cloud-only subscription SaaS with no on-premise edition; Workday ships updates twice a year. |
| Integrations | 275+ | — |
| Compliance | SOC 2 Type II, ISO 27001, GDPR | SOC 1, SOC 2, ISO 27001, ISO 27017, ISO 27018, ISO 27701, EU-U.S. Data Privacy Framework (self-certified) |
| Support | Dedicated support on the Enterprise plan | — |
| Founded | 2025 | 2005 |
| Headquarters | San Francisco, CA, United States | Pleasanton, California |
| Employees | 11–50 | 5,000+ |
| Funding | Series A · $7M raised | Series B |
| Best for | Companies that need to build, deploy, and govern AI agents across the organization with central control over access, spend, and data | — |
Plans side by side
Sim
Free$0free forever
Pro$25per user/month, billed monthly
Max$100per user/month, billed monthly
EnterpriseCustomcustom, talk to sales
Workday
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Sim
- Technical control and model flexibility
- Self-hosting option
Workday
- Strong for large enterprise HCM and workforce management
- Seamless integration within broader HR and finance ecosystem
- Deep analytics and enterprise core
- Fast out-of-the-box integrations with standard systems
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Sim vs Workday”, https://slateindex.ai/compare/sim-vs-workday, data of Nov 3, 2026. Licence: CC BY 4.0.