AssemblyAI releases AssemblyAI-TTS-1 text-to-speech model at $15 per 1M characters
AssemblyAI has released AssemblyAI-TTS-1, its first text-to-speech model for voice agents. It costs $15 per 1M characters, offers unlimited concurrency without a contract, and supports 6 languages at launch.
AssemblyAI has released AssemblyAI-TTS-1, its first text-to-speech model, built for voice agents. The API costs $15 per 1M characters, offers unlimited concurrency without a contract, and supports 6 languages at launch, according to MarkTechPost.
Key facts
- Model: AssemblyAI-TTS-1, the company's first text-to-speech model
- Target use: voice agents
- Pricing: $15 per 1M characters
- Concurrency: unlimited, with no contract required
- Languages: 6 at launch
- Release date reported: October 29, 2026
Other details, including context limits, voice count, latency figures and benchmark scores, were not part of the summary reported by MarkTechPost.
What this means
AssemblyAI-TTS-1 is the company's first text-to-speech model. Pricing is stated per character, at $15 per 1M characters, and the offer of unlimited concurrency without a contract means developers can use the API without negotiating capacity terms. The stated focus on voice agents places the model in real-time conversational use rather than general narration.
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