happycapy vs Stagehand
A detailed comparison to help you choose between happycapy and Stagehand.
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Verdict: Stagehand wins
Stagehand scores 4.2/5, edging out happycapy at 3.5/5. Engineers building production browser agents who want natural-language actions with a Playwright escape hatch and can tolerate per-action LLM costs.
happycapy Delegate browsing coding and file work to AI agents | Stagehand Browser automation for complex web tasks using AI | |
|---|---|---|
| Rating | 3.5 (1 review) | 4.2 (1 review) |
| Pricing Model | freemium | free |
| Starting Price | Free tier available | Free |
| Best For | Solo operators and small technical teams who want to delegate browsing, coding and file tasks to watched cloud agents without provisioning any infrastructure. | 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 | free tierapi access | free tieropen sourceapi access |
| Visit happycapy → | Visit Stagehand → |
happycapy
Pros
- + The live sandbox view showed every step of my research-and-file task — I could stop a wrong turn before it consumed credits.
- + One subscription spans models from several labs with per-task switching and no API keys to manage.
- + The Free plan (250 credits/month, no credit card) is enough to run several real multi-step tasks before paying.
- + Capy Mail lets tasks be triggered and answered by email, with approved-sender filtering and per-plan quota.
- + Sandbox resources scale clearly by plan (Max: 4 cores, 8GB RAM, 200GB storage) rather than being hidden behind a sales call.
Cons
- - Credits meter everything — model calls, media and Automations — and reviewers report heavy tasks run through monthly allowances fast.
- - Automations are beta and capped at 3 on Pro, undercutting the always-on automation pitch.
- - Named integrations stop at GitHub and Notion; the rest depends on community skills rather than maintained connectors.
- - No public API for programmatic control, and the exact included model count conflicts across the vendor's own materials and third-party pages.
- - Young product: review volume is thin, and users report lag in the live view and flaky scheduled runs.
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, happycapy or Stagehand?▼
Stagehand scores higher at 4.2/5 vs 3.5/5 for happycapy, making it the better-rated option in our comparison.
What is the difference between happycapy and Stagehand?▼
happycapy: Happycapy is a sandboxed workspace where AI agents run tasks across browsing, coding and files, with connectors to other services. 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 happycapy or Stagehand more affordable?▼
happycapy starts at €0/mo, Stagehand starts at €0/mo. Check the comparison table above for current pricing.
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