TTS 2.0 presents Query-Response mechanism that brings the next generation of speech technologies. It can synchronously understand both Query and Response texts, greatly expanding the scope of contextual comprehension and significantly enhancing the anthropomorphism and emotional expression in conversations.
$0.015
Share of requests served without a server error. Client errors (4xx) do not count.
Works with the OpenAI SDK pointed at our base URL. Every parameter is in the API reference.
Characters of text spoken per day on NagaAI, counted since November 2026.
TTS 2.0 presents Query-Response mechanism that brings the next generation of speech technologies. It can synchronously understand both Query and Response texts, greatly expanding the scope of contextual comprehension and significantly enhancing the anthropomorphism and emotional expression in conversations.
On NagaAI, Seed Speech TTS 2.0 costs about $0.015 per 1k chars. You pay only for what you use, with no subscription.
It takes text as input and returns audio.
Create an API key, copy the model ID from the top of this page and send requests with the OpenAI SDK pointed at NagaAI. The API section on this page has a ready example.
Not enough activity data to display a chart
