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Google reCAPTCHA Enterprise
Google's enterprise captcha + risk scoring — first 10K assessments/mo free, $1/1K above.
Free tier: free reCAPTCHA v2/v3 limited; Enterprise free tier 10K assessments/mo, $1/1K above
What it does well
- Generous free tier of 10,000 assessments per month is suitable for many small applications.
- Risk analysis engine leverages Google's extensive data on user and traffic patterns.
- Provides frictionless, score-based assessments that can run without interrupting most human users.
Where it falls short
- Pricing can become expensive at high volume, scaling linearly at $1 per 1,000 assessments.
- Implementation requires integration with the Google Cloud Platform, adding complexity for non-GCP users.
- Relies on Google's proprietary risk model, offering limited transparency into why a score was given.
Alternatives to Google reCAPTCHA Enterprise
Cloudflare Turnstile
freeReemplazo gratuito para el CAPTCHA de Cloudflare — invisible por defecto, 1M de desafíos/mes en el plan gratuito.
hCaptcha
freemiumPrivacy-focused captcha alternative to reCAPTCHA — free Basic, paid Enterprise / Pro.
Fingerprint (FingerprintJS)
freemiumBrowser fingerprinting library + paid Pro API — free OSS core, paid plans from $99/mo.
Arkose Labs
paidMitigación de bots empresarial con juegos de desafío adaptativos (MatchKey) — bajo cotización.