n8n Agents vs Sierra: 2026 comparison
Open-source workflow automation with first-class AI agent nodes — self-host or use cloud.
n8n Agents vs Sierra — specs
| Spec | n8n Agents | Sierra |
|---|---|---|
| Agent Rank | 85 / 100 (S) | 78 / 100 (A) |
| Autonomy | Semi-autonomous | Autonomous |
| Pricing | Free · OSS | Subscription · Free tier |
| Open source | Yes | No |
| Capabilities | Tool use, Memory, Multi-agent | Voice, Tool use, Memory, RAG |
| Integrations | 6 apps | 3 apps |
| Verified | Verified | Verified |
| Released | Feb 2025 | Feb 2025 |
Agent Rank breakdown
- Autonomy fit
- 8
- Capabilities
- 6
- Integrations
- 10
- Pricing value
- 10
- Polish & maturity
- 7
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
- Autonomy fit
- 9
- Capabilities
- 8
- Integrations
- 6
- Pricing value
- 9
- Polish & maturity
- 5
- Verifiability
- 10
Auto-computed from autonomy, capabilities, integrations, pricing, maturity and editorial verification. Updated every deploy. How is this computed?
Pros & cons
- +Strongest OSS workflow automation in 2026 — production-ready at any scale
- +Self-host keeps proprietary data on your infra
- +Multi-agent + AI agent nodes are first-class, not bolted on
- −Steeper learning curve than Zapier
- −Cloud pricing is competitive but self-host operational overhead is real
- −Community support primary; commercial SLA is paid tier
- +Best-in-class for branded customer-facing agents (voice + chat parity)
- +Concierge onboarding from one of the strongest teams in AI
- +Indistinguishable-from-human quality in tier-1 deployments
- −Enterprise-only pricing — typical contracts $150–500k/year
- −Deployment is white-glove, not SaaS — multi-week setup
- −Overkill for SMB or mid-market support volumes
Pricing
- +Apache-2.0 fair-use license
- +Unlimited workflows
- +Full agent node support
- +Hosted runtime
- +Active workflows
- +BYO LLM key supported
- +10K executions/mo
- +Multi-user
- +Workflow versioning
- +Voice + chat
- +Custom persona
- +White-glove implementation
- +SOC 2 II + HIPAA option
Which one should you pick?
Pick n8n Agents if cost is the main constraint or if auditability or self-hosting matters.
Try n8n Agents →Pick Sierra if you want the highest autonomy and the verification loop is in place.
Try Sierra →Affiliate links. We may earn a commission at no extra cost to you.
Frequently asked
Should I pick n8n Agents or Sierra in 2026?+
Pick n8n Agents if cost is the main constraint or if auditability or self-hosting matters. Pick Sierra if you want the highest autonomy and the verification loop is in place. Most working teams running both can use n8n Agents for primary work and Sierra for the workflows where its specific strengths matter.
What's the price difference between n8n Agents and Sierra?+
n8n Agents starts at Free · OSS; Sierra starts at Subscription · Free tier. n8n Agents is the cheaper entry option. For team deployments the TCO can differ — use the AI Agent Rank TCO calculator for your specific volume.
Which is more autonomous, n8n Agents or Sierra?+
Sierra is the more autonomous of the two (Autonomous vs Semi-autonomous). Higher autonomy ships throughput faster but requires verification loops in place — see our autonomous-vs-copilot framing for when each tier wins.