Hard facts side by side: free tiers, prices, limits, SDKs and privacy. Every value links to the official page it came from and is re-checked every week.
| For automation |  Ollama |  Perplexity API |  n8nBuilding block |
|---|---|---|---|
| Free tier | Yes, local use is unlimited Pay as you go plan is $0. Pricing page: running models on your own hardware is always unlimited. Source, Nov 15, 2026 | Not listed | Free trial + free self-host Cloud free trial, no card required; Community Edition is free to self-host. Source, Nov 15, 2026 |
| Starting price |
Paid plans cover hosted cloud models. Local models cost nothing.
Source, Nov 15, 2026| $1 per 1,000 fast web searches Pay as you go, no subscription. Model tokens extra, e.g. openai/gpt-6-luna $0.10 in, $0.50 out per 1M. Source, Nov 15, 2026 |
| €20/month Starter, billed annually: 2.5K executions/month, 5 concurrent executions, unlimited workflows. Source, Nov 15, 2026 |
| Rate limit | Not listed | 1 request/s at Tier 0 Agent API, shared across keys. Tier 1 ($50+ credits bought) gets 3 QPS; higher tiers get more. Source, Nov 15, 2026 | 2.5K executions/month Starter cloud plan, with 5 concurrent executions. Source, Nov 15, 2026 |
|---|
| Storage | Not listed | Not listed | Logs kept 7 days Starter plan max execution log retention; Pro keeps 30 days. Source, Nov 15, 2026 |
|---|
| Official SDKs | PythonJavaScript / TypeScript Official libraries listed in the Ollama repo: ollama-python and ollama-js. Source, Nov 15, 2026 | PythonJavaScript / TypeScript | JavaScript / TypeScriptPython |
|---|
| Open source | Yes MIT license for Ollama and for the Python library. Source, Nov 15, 2026 | Not listed | Partly Fair-code, Sustainable Use License; self-hostable Source, Nov 15, 2026 |
|---|
| Trains on your data | No Pricing page: prompt or response data is never logged or trained on. Source, Nov 15, 2026 | No API Terms say Customer Content is not used to train models; zero data retention is not the default. Source, Nov 15, 2026 | No AI terms say customer content is not used to train ML models. Source, Nov 15, 2026 |
|---|
| EU hosting | Not listed | No Trust Center lists all 23 subprocessors, incl. AWS, Google Cloud and Azure, in the US; no EU region offered. Source, Nov 13, 2026 | Yes n8n Cloud data is hosted in the EU (Frankfurt, Germany). Source, Nov 15, 2026 |
|---|
| Compliance | Not listed | SOC 2 SOC 2 Type II report; a 2025 HIPAA gap assessment is listed but is not a certification. Source, Nov 15, 2026 | SOC 2GDPRSource, Nov 15, 2026 |
|---|
Official SDKs for Python 3.10+ and Node.js 20+ (TypeScript).
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