Composio vs Windmill
Composio and Windmill are both workflow automation tools. Composio is aimed at developers and small businesses, while Windmill is aimed at developers. Windmill costs less, from $10/mo versus $29/mo for Composio. Both have a free plan.
Tool and auth layer that lets AI agents act in 1,500+ apps
Open-source developer platform for scripts, flows and apps
| Pricing | Freemium · $29 | Open source · $10 |
| Starting price | $29/mo | $10/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Built for | Developers, Small businesses, Enterprise | Developers |
| Platforms | web | web |
| Country | US · 2023 | FR · 2022 |
| Rating | — | — |
Choose Composio if
Developers building multi-user AI agents who need hundreds of authenticated app integrations without writing OAuth code.
- Removes weeks of OAuth and token-refresh work per integration
- Generous free tier of 100,000 tool calls a month
- Works with most agent frameworks and any MCP client
Look elsewhere if: Teams that want visual, no-code automations between a handful of apps (Zapier, Make).
Choose Windmill if
Developers wanting code-first automation.
- Very fast engine
- Code-first
- Open source
Look elsewhere if: No-code users.
Composio vs Windmill pricing
Composio
- Hobby$0100K tool calls and 50K trigger events/mo, hard cap
- Pro$29/mo$29 usage credit, then $0.0003 per tool call
- EnterpriseCustomSSO/SCIM, customer-managed keys, BAA, SLA
Windmill
- Community Edition$0Self-hosted, unlimited executions, max 10 users with SSO
- Cloud Team$10/seat/moManaged cloud; per seat (from page structured data)
- Enterprise (self-hosted)from $120/mo$20/dev/mo + $50/worker/mo compute; audit logs, SAML
- Enterprise (cloud)CustomBased on seats and compute units
Composio · Key features
- Managed OAuth and API-key storage for each end user of your agent
- More than 1,500 app toolkits including Gmail, Slack, GitHub and Salesforce
- Python and TypeScript SDKs with OpenAI, Anthropic and Google providers
- MCP server that plugs into Claude, ChatGPT, Cursor and Codex
- Webhook triggers so agents react to events in connected apps
- Action limits, approval steps and an audit log of every tool call
Cons
- May 2026 security incident exposed some customer credentials and API keys
- Composio-managed OAuth apps count toward a smaller free allowance
- Usage-based billing on Pro is harder to forecast than a flat fee
Windmill · Key features
- Scripts to workflows
- Schedules and triggers
- Auto-generated UIs
- App builder
- Multi-language
- Self-hosting
Cons
- Developer-oriented
- Smaller community
- Learning curve
Composio vs Windmill: FAQ
Which is cheaper, Composio or Windmill?
Windmill starts at $10/mo and Composio at $29/mo. Both prices are checked on the vendors' own pricing pages.
Do Composio and Windmill have a free plan?
Yes, both Composio and Windmill have a free plan; paid plans add more usage and features.
Which is better for small businesses, Composio or Windmill?
Composio lists small businesses as a core audience, while Windmill is aimed more at developers.