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Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.

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exa.ai logo
exa.ai
✓ verifiedFreemium

Search, crawling and research API built for AI agents, with token-efficient results and structured web-data enrichment.

761K visits/mo1.7K saves
DHTMLX Chatbot logo
DHTMLX Chatbot
✓ verifiedFree

Lightweight MIT-licensed JavaScript chatbot UI widget for building support-agent chat interfaces on top of any LLM.

92K visits/mo
Capsolver logo
Capsolver
✓ verifiedPaid

Automatic AI CAPTCHA solver for reCAPTCHA and Cloudflare; high traffic but bypass niche.

281K visits/mo787 saves
CapMonster Cloud logo
CapMonster Cloud
✓ verifiedPaid

Cloud API that auto-solves reCAPTCHA, Cloudflare and other CAPTCHAs at ~99% success, pay-per-solve for automation and scraping.

408K visits/mo486 saves
VideoSDK logo
VideoSDK
Free trial

Developer APIs and SDKs to embed real-time voice, video, live streaming, and AI voice agents into web and mobile apps.

164K visits/mo
Pricing
Free: $0 (20,000 requests/mo)
Search: $7/1k requests
Contents: $1/1k pages
Deep Search: $12-15/1k requests
Monitors: $15/1k requests
Agent: $0.012-$1.00/run

No public pricing

No public pricing

reCAPTCHA v2: $0.60 per 1000 tokens
reCAPTCHA v3: $0.90 per 1000 tokens
Cloudflare Turnstile: $1.30 per 1000 tokens
Text CAPTCHA: $0.30 per 1000 tokens
Pay-As-You-Go: audio from $0.001/min
Pay-As-You-Go: video from $0.004/min

Free trial available

Core features
  • Web search API tuned for agents
  • Full-page contents with token-efficient highlights
  • Asynchronous agents for deep research and enrichment
  • Structured outputs with grounded citations
  • Web monitors that track new events on a schedule
  • Zero data retention and SOC 2 Type II controls
  • MIT-licensed and free to use
  • Lightweight (~65kb) JavaScript widget
  • 4 message display modes plus typewriter effect
  • Markdown support and chat history
  • Backend hook to integrate any LLM
  • Responsive, mobile-friendly, read-only mode
  • Automatic CAPTCHA solving
  • AI-powered automation
  • Image to text conversion
  • Browser extensions for CAPTCHA solving
  • Multi-language support
  • API solving for reCAPTCHA, Cloudflare, GeeTest, AWS WAF and more
  • Up to 99% success rate
  • Built-in proxies included
  • SDKs for C#, Python, JS, Go, PHP
  • Chrome and Firefox extensions
  • Pay only for solved CAPTCHAs
  • Affiliate and volume-bonus programs
  • Audio and video calling APIs and SDKs
  • Interactive live streaming APIs and SDKs
  • AI voice agent integration
  • Web and mobile platform support
  • Pay-as-you-go pricing with one-time $20 free credit
Use cases
  • Give coding agents current docs and repo context
  • Power chatbots with real-time web answers
  • Enrich company and people data at scale
  • Monitor the web for fresh events
  • Adding an AI chat UI to web apps
  • Building LLM-powered support agents
  • Embedding chat widgets in existing products
  • Prototyping chatbot interfaces
  • Web testing
  • Social media automation
  • Data collection
  • Market research
  • SEO optimization
  • Online shopping automation
  • Online gaming
  • Financial services automation
  • Automating CAPTCHA-gated web scraping
  • Bypassing anti-bot challenges in bots and apps
  • Integrating captcha solving into software
  • Embedding video and audio calling into web and mobile apps
  • Adding interactive live streaming to a platform
  • Building AI voice agent experiences into products
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