Composio vs Windmill
Side-by-side comparison of two AI agent tools
Short answer
- Pick Composio for: composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench. Pick Windmill for: open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs.
From GitHub data refreshed daily.
Composioopen-source
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
Windmillopen-source
Open-source developer platform to power your entire infra and turn scripts into webhooks, workflows and UIs. Fastest workflow engine (13x vs Airflow). Open-source alternative to Retool and Temporal.
Metrics
| Composio | Windmill | |
|---|---|---|
| Stars | 30.4k | 18.1k |
| Star velocity /mo | 453.1578947368421 | 316.10526315789474 |
| Commits (90d) | 1.2k | 1.3k |
| Releases (6m) | 10 | 10 |
| Downloads (30d, npm + PyPI) | 5.5M | — |
| Overall score | 0.8244195534198232 | 0.8093821444423039 |
Pros
- +Massive toolkit ecosystem with 1000+ pre-built integrations covering popular APIs and services
- +Multi-language support with robust SDKs for both Python and TypeScript developers
- +Comprehensive infrastructure handling authentication, context management, and sandboxed execution environments
- +Multi-language support with automatic UI generation from scripts in Python, TypeScript, Go, Bash, SQL, and more
- +High performance workflow engine claiming 13x faster execution than Airflow
- +Self-hostable open-source solution with AGPLv3 license providing full control and customization
Cons
- -Requires API key setup and authentication configuration which may add complexity for simple use cases
- -Large feature set could create a learning curve for developers new to agentic frameworks
- -Dependency on external services and APIs may introduce reliability considerations
- -AGPLv3 license may restrict some commercial use cases and require careful compliance consideration
- -Being a comprehensive platform may introduce complexity for simple automation tasks
- -Self-hosting requires infrastructure management and maintenance overhead
Use Cases
- •Building customer support agents that can access CRM systems, ticketing platforms, and knowledge bases
- •Creating data analysis agents that fetch information from multiple APIs like news sources, financial data, or social media
- •Developing workflow automation agents that integrate with business tools like Slack, GitHub, and project management systems
- •Building internal APIs and webhooks from existing scripts without additional infrastructure
- •Creating automated workflows for background jobs and data processing pipelines
- •Developing low-code internal applications with custom UIs for non-technical team members
FAQ
- Which is more popular, Composio or Windmill?
- Composio has more GitHub stars (30,413 vs 18,092).
- Which is more actively developed, Composio or Windmill?
- Windmill had more commits in the last 90 days (1,264 vs 1,246).
- Should I use Composio or Windmill?
- Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.