Both sit in the tools & integrations layer with similar commercial terms, so the practical split is language: Arcade targets Python and Nango targets Python.
Tool-calling with per-user OAuth, so the agent acts as the user, not as root.
The per-user token model is what stops one user's agent reading another user's mailbox.
Open-source integration platform — you own the OAuth and the sync logic.
| Arcade | Nango | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | freemium | freemium |
| Self-hostable | Yes | Yes |
| Languages | Python, TypeScript | TypeScript, Python |
| Install | — | — |
| Keys required | ARCADE_API_KEY | NANGO_SECRET_KEY |
Both sit in the tools & integrations layer with similar commercial terms, so the practical split is language: Arcade targets Python and Nango targets Python. Arcade: Tool-calling with per-user OAuth, so the agent acts as the user, not as root. Nango: Open-source integration platform — you own the OAuth and the sync logic.
Arcade can run on your own infrastructure. Nango can run on your own infrastructure.
Arcade is open source (freemium). Nango is open source (freemium).
Every page here answers to Accept: text/markdown and returns the same content at roughly a tenth the tokens. No separate site, no toggle — same URL.
curl -s -H "Accept: text/markdown" https://newagent.build/compare/arcade-vs-nango