Temporal vs Windmill
Side-by-side comparison of two AI agent tools
Temporalopen-source
Temporal service
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
| Temporal | Windmill | |
|---|---|---|
| Stars | 23.4k | 18.1k |
| Star velocity /mo | 675.5614973262033 | 317.80748663101605 |
| Commits (90d) | 544 | 1.2k |
| Releases (6m) | 10 | 10 |
| Overall score | 0.8859102167558065 | 0.8726503315063926 |
Pros
- +Automatic failure handling and retry logic eliminates complex error recovery code
- +Mature, battle-tested technology originally developed at Uber with strong reliability track record
- +Comprehensive tooling ecosystem including CLI, Web UI, and multi-language SDK support
- +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 learning workflow-based programming paradigms which can have a steep learning curve
- -Additional infrastructure complexity requiring Temporal server deployment and maintenance
- -Overhead for simple applications that don't require durable execution guarantees
- -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
- •Long-running business processes with multiple steps that need guaranteed completion
- •Microservice orchestration and coordination across distributed systems
- •Data processing pipelines requiring automatic retry and failure recovery mechanisms
- •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