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AI21 Labs API vs ContactOut: 2026 Comparison

AI21 Labs API ContactOut
Overview AI21's Jamba model family API providing efficient text generation with hybrid Mamba-Transformer architecture. ContactOut is a Chrome extension and platform that finds personal and work email addresses and phone numbers from LinkedIn profiles. It specializes in sourcing contact information for recruiters and sales professionals.
Pricing Pay-per-use ($-$$$) Freemium ($0-99/user/mo)
Key Features
  • Jamba 1.5
  • Contextual Answers
  • Task-specific models
  • Paraphrase
  • Summarize
  • Grammar correction
  • Email finder
  • phone numbers
  • LinkedIn overlay
  • search portal
  • data enrichment
  • ATS integration
  • API
Pros
  • Unique architecture
  • Efficient inference
  • Good for structured tasks
  • Competitive pricing
  • Finds personal emails
  • Good LinkedIn integration
  • Accurate data
  • Easy Chrome extension
Cons
  • Smaller ecosystem
  • Less community support
  • Limited model variety
  • Primarily recruiter-focused
  • Limited free credits
  • Smaller B2B database

AI21 Labs API

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ContactOut

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