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Amazon Polly vs Lark: 2026 Comparison

Amazon Polly Lark
Overview AWS text-to-speech service offering lifelike speech synthesis with neural and standard voices in dozens of languages. ByteDance's enterprise collaboration platform combining messaging, video, docs, calendar, and project management.
Pricing Pay-per-use ($-$$) Freemium ($0-15/mo)
Key Features
  • Neural voices
  • Standard voices
  • 30+ languages
  • SSML
  • Lexicons
  • Speech marks
  • Newscaster style
  • Messaging
  • Video
  • Docs
  • Sheets
  • Calendar
  • Tasks
  • Approvals
  • Base (database)
  • Wiki
Pros
  • Low cost
  • Reliable
  • Many languages
  • AWS integration
  • All-in-one
  • Free tier
  • Fast
  • Good mobile app
Cons
  • Less natural than competitors
  • Limited voice styles
  • AWS dependency
  • ByteDance association
  • Smaller outside Asia
  • Learning curve