The deciding difference is operational: Nango can run on infrastructure you control, Composio cannot. If that constraint is real for you, it settles the choice before anything else is considered.
Managed auth and tool-calling for 250+ SaaS apps.
Open-source integration platform — you own the OAuth and the sync logic.
| Composio | Nango | |
|---|---|---|
| Licence | Open source | Open source |
| Pricing | freemium | freemium |
| Self-hostable | No | Yes |
| Languages | Python, TypeScript | TypeScript, Python |
| Install | pip install composio | — |
| Keys required | COMPOSIO_API_KEY | NANGO_SECRET_KEY |
The deciding difference is operational: Nango can run on infrastructure you control, Composio cannot. If that constraint is real for you, it settles the choice before anything else is considered. Composio: Managed auth and tool-calling for 250+ SaaS apps. Nango: Open-source integration platform — you own the OAuth and the sync logic.
Composio is a hosted service only. Nango can run on your own infrastructure.
Composio 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/composio-vs-nango