n8n vs Sim
Which Agents AI tool is better in 2026?
n8n
Open-source, fair-code workflow automation platform with native AI agent building blocks.
Sim
Open-source AI workspace where teams build, deploy and manage AI agents
Side-by-side
n8n is the more established option (raised $254M), but Sim is cheaper to start.
| Metric | n8n | Sim |
|---|---|---|
| Taglinei | Open-source, fair-code workflow automation platform with native AI agent building blocks. | Open-source AI workspace where teams build, deploy and manage AI agents |
| Foundedi | 2019🏆 | 2025 |
| HQi | Berlin, DE | San Francisco, United States |
| Employeesi | 501-1000 | 11-50🏆 |
| Neuron scorei | 69🏆 | 55 |
| Total fundingi | $254M🏆 | $7M |
| Latest roundi | Series C · Oct 2025 | Series A · Nov 2025 |
| Valuationi | — | — |
| Cheapest paid plani | Pricing not disclosed | From $25/mo🏆 |
| Free plani | ✓ | ✓ |
| Free triali | ✗ | ✓ |
| Top tier pricei | Pricing not disclosed | Pricing not disclosed |
| Pricing summaryi | Free | Free · From $25/mo |
| Categoriesi |
Capability matrix
Developer-facing capabilities and access signals for n8n and Sim.
| Capability | n8n | Sim |
|---|---|---|
| MCP support | ✗ | ✗ |
| Public API | ✗ | ✓ |
| Webhooks | ✗ | ✗ |
| OAuth 2.0 | ✗ | ✗ |
| SDK languages | — | — |
| Free plan | ✓ | ✓ |
| Free trial | ✗ | ✓ |
| Verified | ✗ | ✗ |
| Active deal | ✗ | ✗ |
🟢 Strengths of n8n
- Has raised more capital ($254M vs $7M)
- Higher Neuron score (69 vs 55)
- More mature (2019)
🔵 Strengths of Sim
- Offers a free trial
- Lower starting price ($25/mo)
- Newer company (2025)
Which should you choose?
Choose Sim if price matters most — it starts at Free · From $25/mo, which is friendlier for teams watching burn. Both AI Agents tools ship core features, so the cost delta often decides it for small teams and solo operators.
Choose n8n if you want the most established option — it has raised $254M, suggesting more runway for enterprise features, support, and long-term roadmap. For mission-critical workflows or larger teams, that stability often outweighs a lower monthly price.
Frequently asked questions
n8n vs Sim — which is better?
It depends on your priority. n8n has raised more capital and is the more established option; Sim is cheaper to start. See the side-by-side table above.
Is n8n cheaper than Sim?
No — Sim's cheapest paid plan is Free · From $25/mo, while n8n's is Free.
Do n8n and Sim offer free plans?
n8n: Yes, has a free plan. Sim: Yes, has a free plan.
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