Windmill vs Stagehand
A detailed comparison to help you choose between Windmill and Stagehand.
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How to choose
Neither tool has user reviews on ToolSpotter yet, so we don't pick a winner. Compare them on what they're built for: Windmill — Engineering teams who want code-first internal tools, workflows and APIs on infrastructure they control, with no per-execution billing.; Stagehand — Engineers building production browser agents who want natural-language actions with a Playwright escape hatch and can tolerate per-action LLM costs..
Windmill Open-source workflow automation for developers | Stagehand Browser automation for complex web tasks using AI | |
|---|---|---|
| Rating | 4.2 (1 review) | 4.2 (1 review) |
| Pricing Model | freemium | free |
| Starting Price | Free tier available | Free |
| Best For | Engineering teams who want code-first internal tools, workflows and APIs on infrastructure they control, with no per-execution billing. | Engineers building production browser agents who want natural-language actions with a Playwright escape hatch and can tolerate per-action LLM costs. |
| Free Tier | ||
| API Access | ||
| Team Features | ||
| Open Source | ||
| Tags | open sourcefree tierapi access | free tieropen sourceapi access |
| Visit Windmill → | Visit Stagehand → |
Windmill
Pros
- + Script-first model: typed functions become endpoints, jobs and flow steps with auto-generated UIs — my nightly pipeline was rebuilt in one Docker session
- + Free self-hosted tier carries unlimited executions, not a trial disguised as a plan
- + Rust execution engine kept orchestration overhead sub-second between flow steps in my tests
- + Worker-group model scales throughput with replicas and tag routing instead of redesigns
- + Transparent per-unit Enterprise pricing ($20/builder, $10/non-builder, $50/worker) with published SLA terms
Cons
- - Zero no-code path — teams without developers cannot use it at any price
- - Prebuilt Community Edition images bundle proprietary Windmill Labs terms (no resale/wrapping/modifying), separate from the AGPLv3 source build
- - Worker groups and role configuration have a real learning curve before the platform pays off
- - Small vendor (under twenty employees in 2024 reporting, ~$15M raised) relative to the incumbents it replaces
- - Flow durability is lighter than Temporal for mission-critical long-running orchestration
Stagehand
Pros
- + MIT-licensed SDK runs locally against any Chromium browser; in my test the act() call re-resolved after I rewrote a login button's classes and wrappers, while my hand-written Playwright selector broke
- + extract() returns schema-validated typed data (pydantic/Zod/struct) — pulling an invoice table into typed fields removed the JSON cleanup step entirely
- + observe() hands back real selectors, so I filled login credentials with ordinary Playwright calls and the secrets never reached the model
- + Full TypeScript, Python and Go support from one monorepo, with deep locators that reached nested iframes and a closed shadow DOM in my runs
- + Token cost per action is a fraction of screenshot-driven agents I have tested, because page context is a trimmed accessibility tree rather than images
Cons
- - Every act/extract/observe call is an LLM round trip — my ten-step workflow ran noticeably slower than the equivalent pure Playwright script
- - Code-only: no recorder or visual builder, so non-programmers cannot build or maintain automations
- - Anti-bot features (stealth, residential proxies, verified sessions) live in paid Browserbase plans, not the free SDK
- - Pages with canvas-rendered or heavily obfuscated UIs leave the accessibility tree thin and the AI primitives degrade
- - v4 is still moving fast; I pin versions because major upgrades have meant migration work
Frequently Asked Questions
Which is better, Windmill or Stagehand?▼
It depends on your specific needs — neither tool has user reviews on ToolSpotter yet, so we don't rank one above the other. Windmill is best for: Engineering teams who want code-first internal tools, workflows and APIs on infrastructure they control, with no per-execution billing.. Stagehand is best for: Engineers building production browser agents who want natural-language actions with a Playwright escape hatch and can tolerate per-action LLM costs..
What is the difference between Windmill and Stagehand?▼
Windmill: Windmill is an open-source platform that turns scripts in Python, TypeScript, Go and other languages into workflows, internal apps and scheduled jobs. It is aimed at developers who prefer code over drag-and-drop builders. Stagehand: Stagehand is an SDK for building browser agents, with a Playwright-style API and selectors that repair themselves when a page changes, in TypeScript, Python and Go.
Is Windmill or Stagehand more affordable?▼
Windmill starts at €0/mo, Stagehand starts at €0/mo. Check the comparison table above for current pricing.
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