Amazon Polly vs Speechify

Amazon Polly converts text to speech through a web interface and API. It lists 42 languages, voice cloning, and a maximum input of 6000. Audio can be exported as mp3, ogg_vorbis, ogg_opus, pcm, mu-law, or a-law. Voice options are organized into Standard, Neural, Long-Form, and Generative plans, with charges billed monthly for processed characters. Standard costs $4 a month for Standard voices and Speech or Speech Marks requests. Neural costs $16 a month for Neural voices and those request types. Long-Form costs $100 a month for Long-Form voices and those request types. Generative costs $30 a month for Generative voices and Speech requests. The free tier lists 5 million Standard characters, 1 million Neural characters, 500,000 Long-Form characters, and 100,000 Generative characters for 12 months. Amazon Polly is listed as founded in 2006 and headquartered in Seattle, Washington, United States.

Speechify is a text-to-speech product available on Android, iOS, macOS, web, Windows, and through an API. Its listed capabilities include voice cloning, commercial use, and MP3 audio export, with support for 60 languages. The free plan costs nothing and includes 10 voices with a maximum speed of 1.5x. Premium costs $29 a month, billed monthly, and lists more than 1,000 voices, 60+ languages, and a maximum speed of 5x. Speechify was founded in 2017 and is headquartered in Miami, Florida, United States. The plans differ in voice count and maximum playback speed; Premium also specifies its language offering as 60+ languages. Buyers can weigh those limits against the listed platform access, language support, and MP3 export when choosing a plan.