CapMonster Cloud records 862,340 monthly visits with +36.3% month-over-month growth and Paid pricing. Sider records 2,644,740 monthly visits with -10.6% growth and Freemium pricing.
AI-powered CAPTCHA solving API built for scale
AI sidebar and browser agent for reading, writing and research
| Dimension / Metric | | |
|---|---|---|
| Official Domain | capmonster.cloud | sider.ai |
| Pricing Model | Paid | Freemium |
| Monthly Visits | 862.34K (862,340) | 2.64M (2,644,740) |
| MoM Traffic Delta | +229.65K (+36.3%) | -314.2K (-10.6%) |
| Primary Market & Share | 🇧🇷 Brazil (16.7%) | 🇺🇸 United States (13.3%) |
| Direct Visits / mo | 32.7K | 1.7M |
| User Rating | 4.2 | 4.5 |
| Supported Platforms | Website | Website |
AI-powered CAPTCHA solving API built for scale
Supports reCAPTCHA v2/v3 and Enterprise, Cloudflare Turnstile and Bot Challenge, AWS WAF, GeeTest, Tencent CAPTCHA, Yidun, Text CAPTCHA and more.
Integrate with official libraries for C#, Python, JavaScript, Go, and PHP, or use the API of other services via compatibility.
Chrome and Firefox extensions detect and solve CAPTCHAs automatically in the background while you browse.
Most challenge types can be solved without supplying your own proxies, simplifying setup.
AI sidebar and browser agent for reading, writing and research
A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistOpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
SpecialistAnthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features.
SpecialistEnterprise-grade web data infrastructure offering robust proxy networks and automated CAPTCHA solving capabilities.
SpecialistEnterprise-grade web data infrastructure offering robust proxy networks and automated CAPTCHA solving capabilities.
Excels at advanced web automation and data extraction alongside chat, but has a steeper learning curve than Sider.
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser
SpecialistManaged headless browser platform providing cloud automation APIs, though without built-in automated CAPTCHA solving.
SpecialistManaged headless browser platform providing cloud automation APIs, though without built-in automated CAPTCHA solving.
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Integrates bookmark management and content composition into a clean sidebar, but has a more limited feature set than Sider.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
Delivers streamlined inline writing and webpage summarization via a browser extension, but with fewer custom sidebar tools.
SpecialistProvides web scraping endpoints with built-in proxy rotation and CAPTCHA bypass capabilities.
SpecialistProvides web scraping endpoints with built-in proxy rotation and CAPTCHA bypass capabilities.
A direct AI-powered CAPTCHA solving service offering competitive pricing, fast response times, and similar browser extensions.
A direct AI-powered CAPTCHA solving service offering competitive pricing, fast response times, and similar browser extensions.
