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Amazon Polly vs PlanetScale: 2026 Comparison

Amazon Polly PlanetScale
Overview AWS text-to-speech service offering lifelike speech synthesis with neural and standard voices in dozens of languages. A serverless MySQL-compatible database platform with branching, deploy requests, and automatic scaling.
Pricing Pay-per-use ($-$$) Freemium (Free-$39/month)
Key Features
  • Neural voices
  • Standard voices
  • 30+ languages
  • SSML
  • Lexicons
  • Speech marks
  • Newscaster style
  • MySQL compatible
  • Database branching
  • Deploy requests
  • Auto-scaling
  • Read replicas
  • Insights
  • Connection pooling
  • CLI
Pros
  • Low cost
  • Reliable
  • Many languages
  • AWS integration
  • Database branching is revolutionary
  • Serverless scaling
  • Great developer experience
  • Vitess-powered
Cons
  • Less natural than competitors
  • Limited voice styles
  • AWS dependency
  • Free tier removed
  • MySQL only
  • No foreign keys enforcement
  • Can be expensive at scale

Amazon Polly

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PlanetScale

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