AI文本转语音对比

AI text-to-speech has become indistinguishable from human voices.

ElevenLabs leads at 5/5 quality with 29 languages and most natural voices. OpenAI TTS at 0.015 per 1K chars offers best developer API. Google Cloud TTS supports over 220 languages. Microsoft Azure Speech best for enterprise. Amazon Polly at 0.004 per 1K chars most affordable. Coqui TTS is best open source with 35K GitHub stars.