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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
Capsolver logo
Capsolver
✓ verifiedPaid

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

281K visits/mo787 saves
Browserless logo
Browserless
✓ verifiedFreemium

Managed headless-Chrome infrastructure that runs Puppeteer/Playwright scripts at scale with anti-bot bypass, so teams skip browser ops.

242K visits/mo
Quilter logo
Quilter
✓ verifiedPaid

Reinforcement-learning engine that auto-places and routes PCB layouts from existing CAD files, validated against physical constraints.

68K 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

Free: $0 (1k units/mo, 2 browsers)
Prototyping: $25/mo (20k units)
Starter: $140/mo (180k units)
Scale: $350/mo (500k units)

No public pricing

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
  • Automatic CAPTCHA solving
  • AI-powered automation
  • Image to text conversion
  • Browser extensions for CAPTCHA solving
  • Multi-language support
  • Managed headless browsers (browser-as-a-service)
  • Drop-in Puppeteer/Playwright support
  • Anti-bot bypass and CAPTCHA solving
  • Screenshot, PDF and download APIs
  • MCP server for AI agents
  • Self-hosted and cloud deployment
  • Live debugger and observability
  • Imports existing projects from major ECAD tools
  • Generates thousands of candidate board layouts via reinforcement learning
  • Flags bypass capacitors, impedance nets, and differential pairs for review
  • Supports parallel iteration across stack-ups and manufacturers
  • Transparent design review against a full constraint checklist
  • Returns files in the same CAD format for DRC and fab-file generation
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
  • Web testing
  • Social media automation
  • Data collection
  • Market research
  • SEO optimization
  • Online shopping automation
  • Online gaming
  • Financial services automation
  • Run web scraping without infrastructure headaches
  • Automate browser workflows and tests
  • Give AI agents a reliable browser
  • Generate screenshots and PDFs via API
  • Speeding up IC evaluation board layout from weeks to hours
  • Cutting design validation board cycles from months to days
  • Reducing backplane and interconnect board bring-up time
  • Iterating multiple layout candidates in parallel before fabrication
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