ClayBuild systems to grow revenue
vs
SimThe open-source AI workspace to build, distribute, and govern AI agents
Comparison · AI Agents · weekly run Nov 3
Clay vs Sim
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 0.7 for Clay.
Choose Clay if…
- You need CCPA coverage
- You prefer a larger, established vendor (1,001–5,000 employees)
- Usage-based pricing suits your budget better than per seat
Choose Sim if…
- You want the brand AI engines rank higher (2.3 vs 0.7)
- You want a lower entry price ($25 vs $167)
- You need a self-hosted or on-premises option
- Per seat pricing suits your budget better than usage-based
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Clay | Sim |
|---|---|---|
| Visibility score | 0.7% | 2.3% |
| Change vs last week | New | New |
| Rank in AI Agents | #65 | #39 |
| Share of voice | 0.2% | 0.7% |
| Mentions this run | 1 | 5 |
| Positive in AI answers | 33% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Clay 0pp · Sim 0pp over 0 weekly runs.
Engine by engine
Sim leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ClaySim
Head to head in AI answers
0 engine answers name both brands
0Clay ranked higher
0Sim ranked higher
Features, pricing & fit
| Dimension | Clay | Sim |
|---|---|---|
| Pricing model | Usage-based | Per seat |
| Entry price | Free; paid from $167 / mo | Free; paid from $25 per seat / mo |
| Free plan | Yes | Yes |
| Deployment | — | Cloud-hosted, or self-hosted in your own cloud with Docker or Kubernetes |
| Integrations | — | 275+ |
| Compliance | SOC 2 Type II, ISO 27001, GDPR, CCPA | SOC 2 Type II, ISO 27001, GDPR |
| Support | Priority support queue on Growth plan, Dedicated Slack channel on Enterprise plan, Dedicated growth strategist on Enterprise plan | Dedicated support on the Enterprise plan |
| Founded | 2017 | 2025 |
| Headquarters | New York City, NY, United States | San Francisco, CA, United States |
| Employees | 1,001–5,000 | 11–50 |
| Funding | Series B Expansion | Series A · $7M raised |
| Best for | GTM engineers and revenue teams that build their own prospecting, enrichment and outbound workflows. | 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
Clay
Free$0month
Launch$167month (starting price as shown; monthly from $185 per FAQ)
Growth$446month (starting price as shown; monthly from $495 per FAQ)
EnterpriseCustomcustom, annual commitment
Sim
Free$0free forever
Pro$25per user/month, billed monthly
Max$100per user/month, billed monthly
EnterpriseCustomcustom, talk to sales
Pros and cons
Themes from the AI answers that mention each brand
Clay
Profile in progress.
Sim
- Technical control and model flexibility
- Self-hosting option
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Clay vs Sim”, https://slateindex.ai/compare/clay-vs-sim, data of Nov 3, 2026. Licence: CC BY 4.0.