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Head-to-head · CAPTCHA Software

Alibaba Cloud CAPTCHA vs Anubis

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Alibaba Cloud CAPTCHA #3 in CAPTCHA Software 9.0/10 Paid ✓ 0 of 3 features Visit Alibaba Cloud
Anubis #8 in CAPTCHA Software 8.2/10 Free plan Free plan✓ 0 of 3 features Visit Anubis

Alibaba Cloud CAPTCHA leads on 0 checks, Anubis on 1, and 0 are even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAlibaba Cloud CAPTCHA · 9.0/10
  • Free planonly Anubis

Alibaba Cloud CAPTCHA scores higher on our rubric for captcha software: 9.0 against 8.2 out of 10; our editors rank them #3 and #8.

Anubis offers free plan; Alibaba Cloud CAPTCHA doesn't.

Alibaba Cloud CAPTCHA is the better fit for businesses needing configurable, high-volume CAPTCHA. Anubis is the better fit for small teams self-hosting request-level bot challenges.

  • Alibaba Cloud CAPTCHA fits best

    Businesses needing configurable, high-volume CAPTCHA

  • Anubis fits best

    Small teams self-hosting request-level bot challenges

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Side by side

Feature Alibaba Cloud CAPTCHA 9.0/10 Visit ↗ Anubis 8.2/10 Visit ↗
At a glance
Editor score 9.0 8.2
Ranking #3 in CAPTCHA Software #8 in CAPTCHA Software
Best for Businesses needing configurable, high-volume CAPTCHA Small teams self-hosting request-level bot challenges
Pricing model Paid Free
Starting price $0.0007/unit usage-based Free plan
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Self-hosted
Platforms Web, iOS, Android Linux, Windows
Support Live chat, Tickets, Docs Tickets, Community
Integrations 7 integrations 1 integrations
Built for Mid-market, Enterprise Solo, Small business
Features Alibaba Cloud CAPTCHA 0/3 · Anubis 0/3
Audio challenge Not checked yet Not checked yet
Accessibility options Not checked yet Not checked yet
Privacy controls Not checked yet Not checked yet
Specs
CAPTCHA modes Not checked yet Not checked yet
Monthly verifications Not checked yet Not checked yet
SDK platforms Both Not checked yet
Our review
Pros
  • Combines invisible risk checks with four visual challenge types
  • Supports web, H5, Android, iOS and WeChat Mini Programs
  • Offers policy controls and default support for up to 1,000 QPS
  • Proof-of-work challenges with configurable difficulty and algorithm
  • Policies can allow, deny, challenge, or weigh requests
  • Reverse proxying, Prometheus-style metrics, and health checks
Cons
  • Usage-based verification costs differ by region
  • Custom policy configurations cost $5 per day
  • Additional scenarios cost $1 per scenario per day after the first three
  • Requires self-hosting in front of an existing service
  • No behavioral analysis or device fingerprinting
  • Focused on request challenges rather than a broad managed CAPTCHA service
Our verdict

Alibaba Cloud CAPTCHA is a managed verification service for websites, H5 pages, mobile apps and WeChat Mini Programs. It is aimed at mid-market and enterprise businesses protecting account registration and login, preventing SMS floods,…

Read the review →

Anubis is an open-source reverse proxy utility for website operators who want to protect an upstream service from scraper bots, including AI crawlers. It evaluates incoming requests against configurable policies and can allow, deny, weigh,…

Read the review →
  1. Alibaba Cloud CAPTCHACAPTCHA Software 9.0Paid
  2. AnubisCAPTCHA Software 8.2Free plan

Strengths and trade-offs

  • Alibaba Cloud CAPTCHA — where it wins

    • Combines invisible risk checks with four visual challenge types
    • Supports web, H5, Android, iOS and WeChat Mini Programs
    • Offers policy controls and default support for up to 1,000 QPS

    Where it doesn't

    • Usage-based verification costs differ by region
    • Custom policy configurations cost $5 per day
    • Additional scenarios cost $1 per scenario per day after the first three

  • Anubis — where it wins

    • Proof-of-work challenges with configurable difficulty and algorithm
    • Policies can allow, deny, challenge, or weigh requests
    • Reverse proxying, Prometheus-style metrics, and health checks

    Where it doesn't

    • Requires self-hosting in front of an existing service
    • No behavioral analysis or device fingerprinting
    • Focused on request challenges rather than a broad managed CAPTCHA service

More comparisons

All CAPTCHA software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update