ReplitDescribe what you want. Replit builds it.
vs
SimThe open-source AI workspace to build, distribute, and govern AI agents
Comparison · AI Agents · weekly run Nov 3
Replit vs Sim
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Replit is the stronger AI pick in AI Agents: it has a visibility score of 2.3 versus 2.3 for Sim.
Choose Replit if…
- You want a lower entry price ($20 vs $25)
- You need more native integrations (450+ vs 275+)
- You need SOC 2 coverage
- You prefer a larger, established vendor (201–500 employees)
Choose Sim if…
- You need a self-hosted or on-premises option
- You need SOC 2 Type II or ISO 27001 or GDPR coverage
- Per seat pricing suits your budget better than flat tiers
- Technical control and model flexibility
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Replit | Sim |
|---|---|---|
| Visibility score | 2.3% | 2.3% |
| Change vs last week | New | New |
| Rank in AI Agents | #40 | #39 |
| Share of voice | 0.3% | 0.7% |
| Mentions this run | 2 | 5 |
| Positive in AI answers | 69% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Replit 0pp · Sim 0pp over 0 weekly runs.
Engine by engine
Replit leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
ReplitSim
Head to head in AI answers
0 engine answers name both brands
0Replit ranked higher
0Sim ranked higher
Features, pricing & fit
| Dimension | Replit | Sim |
|---|---|---|
| Pricing model | Flat tiers | Per seat |
| Entry price | Free; paid from $20 / mo | Free; paid from $25 per seat / mo |
| Free plan | Yes | Yes |
| Deployment | Hosted cloud service, with Bring Your Own Cloud and single-tenant options for enterprise customers. | Cloud-hosted, or self-hosted in your own cloud with Docker or Kubernetes |
| Integrations | 450+ | 275+ |
| Compliance | SOC 2 | SOC 2 Type II, ISO 27001, GDPR |
| Support | In-app help via the ? icon, Premium support on the Pro plan, Dedicated premium support on the Enterprise plan | Dedicated support on the Enterprise plan |
| Founded | 2016 | 2025 |
| Headquarters | Foster City, California, US | San Francisco, CA, United States |
| Employees | 201–500 | 11–50 |
| Funding | Series D | Series A · $7M raised |
| Best for | Founders, product managers and non-programmers who want to turn ideas into apps, and commercial teams building professional apps on the Pro plan. | 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
Replit
Core$20month, $18/month billed annually
Pro$100month, $90/month billed annually
EnterpriseCustomcustom, contact sales
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
Replit
- Browser-based development with no local setup needed
- Replit Agent builds and deploys apps quickly from prompts
- Well suited to rapid prototyping
- Beginner-friendly environment
- Free tier with cloud environment and built-in AI assistance
Sim
- Technical control and model flexibility
- Self-hosting option
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Replit vs Sim”, https://slateindex.ai/compare/replit-vs-sim, data of Nov 3, 2026. Licence: CC BY 4.0.