n8n vs Sim

n8n

Agents

Sim

Agents

Tagline

n8n

Source-available workflow automation with first-class AI-agent and RAG building blocks.

Sim

Open-source visual workspace for building, deploying, and monitoring AI agents.

Pricing

n8n

Freemium· Starter: 20€ · Pro: 50€ · Business: 667€ · Enterprise: Contact Sales

Sim

Freemium· Free: $0 · Pro: $25 · Max: $100 · Enterprise: Custom

Lowest paid tier

n8n

—

Sim

$25 · Pro

captured 2026-08-10

Free trial

n8n

Yes

Sim

Yes

API

n8n

Yes

Sim

Yes

Platforms

n8n

api

Sim

web

Open source

n8n

Yes · NOASSERTION

Sim

Yes

GitHub stars

n8n

206,303

checked 2026-09-29

Sim

—

Last GitHub push

n8n

2026-09-29

Sim

—

First commit

n8n

2019-06

Sim

—

Model used

n8n

Multi-model

Sim

Multi-model (Claude, OpenAI, Google)

Best for

n8n

Pick n8n if you want to build AI agents and RAG pipelines on top of real production plumbing you can self-host and version-control.

Sim

Pick Sim if you want an open-source, self-hostable agent canvas that ties 1,000+ SaaS integrations to any LLM with proper tracing and cost visibility.

Not for

n8n

Skip it if you need a strict OSI-licensed framework, a pure-code agent SDK, or a no-engineer-required tool like Zapier.

Sim

Skip it if you need a lightweight single-prompt chatbot or if your org bans credit-metered SaaS billing for AI workloads.

Editorial score

n8n

8.3 / 10

Sim

8.2 / 10

Use cases

n8n

ai-agentsworkflow-automationrag-pipelinesdata-integrationwebhook-orchestrationinternal-tools

Sim

agent-workflowsinternal-automationrag-agentsslack-botsdata-enrichmentcustomer-support

Pros

n8n

• 500+ integrations plus arbitrary JS/Python escape hatches
• Self-hostable via Docker with full feature parity
• Native nodes for LLMs, vector DBs, RAG, and MCP
• Massive community (~194k GitHub stars) and node ecosystem
• Built-in cron, queues, retries, credentials, and audit logs

Sim

• Fully open-source with self-hosting supported (~29k GitHub stars)
• 1,000+ prebuilt integrations including Slack, GitHub, Salesforce, Notion
• Visual, conversational, and code-based authoring in one canvas
• Real-time traces, logs, and per-run cost tracking built in
• Generous free tier and predictable per-seat paid plans

Cons

n8n

• Fair-Code license is not OSI-approved open source
• Agent debugging gets messy on large multi-branch canvases
• Cloud pricing scales by executions, can surprise heavy users
• Steeper learning curve than Zapier for non-engineers

Sim

• Credit-based pricing gets expensive on high-volume frontier-model runs
• Complex agents still push you back into code fairly quickly
• SSO and SOC2 attestations gated to Enterprise

Website

n8n

n8n.io

Sim

sim.ai

Editorial score: rule-based, 0–10, from AI-assisted profile inputs (see /methodology) — not a user rating; “—” means unscored. “Not listed” means we have no record of it, not that it is absent. GitHub figures and prices carry the date they were checked or captured; prices are shown as published, unconverted.