Text-to-Speech API for Developers: Integration & Pricing Comparison
TL;DR Pricing runs $4 to $40 per million characters. Hyperscalers (Google, Polly) price cheapest for standard voices; specialists (ElevenLabs, Cartesia) charge more for latency or voice quality. Streaming, character counting, retries and caching decide production stability more than which provider you pick. Voice agents need audio starting inside 200ms or callers notice the gap; Cartesia […]
