AssemblyAI has fully opened access to AssemblyAI-TTS-1, its first text-to-speech model, with pricing set at $15 per million characters. The API is aimed at voice agents used in real-time phone call scenarios and does not require annual contracts or the purchase of concurrency tiers. According to the release, the model was trained on millions of hours of audio data, including real conversational data, and uses continuous audio representations to improve realism while reducing time to first audio output. The launch also includes a library of more than 4,000 voices and an instant voice cloning feature that requires only a short recording and confirmation of speaker consent. At launch, the model supports six languages: English, Spanish, French, German, Italian, and Portuguese. Developers can integrate it through an HTTP API, WebSocket API, or an OpenAI-compatible route. The update was cited by Techub News, with MarkTechPost named as the source.
AssemblyAI has released AssemblyAI-TTS-1, its first text-to-speech model, and said the API is now generally available.
The product is aimed at voice agents used in real-time phone call scenarios. Pricing is set at $15 per million characters, with no annual contract requirement and no need to buy concurrency tiers.
According to the release, the model was trained on millions of hours of audio data, including real conversational data. It also uses continuous audio representations to improve realism and shorten time to first audio generation.
The launch includes a voice library with more than 4,000 voices, along with an instant voice cloning feature. AssemblyAI said cloning requires only a short recording and confirmation of speaker consent.
At launch, AssemblyAI-TTS-1 supports six languages: English, Spanish, French, German, Italian, and Portuguese. Developers can integrate the model through three options: an HTTP API, a WebSocket API, or an OpenAI-compatible route.
Techub News cited MarkTechPost as the source of the update.
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