Free Text to Speech Online: Natural AI Voices in Real-Time

Deliver human-like speech at scale. Designed for low-latency streaming, enterprise reliability, and flexible deployment across cloud or on-prem.

Ideal for voice agents and real-time applications.

Hear Speechmatics' Text to Speech in action

Why choose Speechmatics' Text to Speech?

Scalable pricing → $0.011 per 1k characters keeps costs low.
Sub-150ms latency → ensures smooth, natural conversations.
Enterprise-ready deployment → cloud, on-prem, or hybrid.
Unified stack → best-in-class STT and TTS from 1 trusted provider.
Proven expertise → decades of leadership in enterprise speech.

Built for developers, trusted by enterprise

Authentic voices

Crystal clear, human-like English voices today, with more languages, accents, and styles coming soon.

Streaming-first design

Consistent audio generation optimized for real-time voice agents, assistants, and other interactive apps.

Privacy-first architecture

Built with security and compliance - sensitive data stays protected across industries like finance & healthcare.

Cost-effective at scale

Just $0.011/1k characters — making Speechmatics one of the most affordable TTS options available.

Authentic voices

Crystal clear, human-like English voices today, with more languages, accents, and styles coming soon.

Streaming-first design

Consistent audio generation optimized for real-time voice agents, assistants, and other interactive apps.

Privacy-first architecture

Built with security and compliance - sensitive data stays protected across industries like finance & healthcare.

Cost-effective at scale

Just $0.011/1k characters — making Speechmatics one of the most affordable TTS options available.

Text to Speech FAQs

We support English (both British and American) and we plan to launch additional languages in 2025.

Not yet. The API outputs natural speech with prosody driven by the text content. Fine-grained voice control features may be added in future releases.

The initial audio chunk typically returns in less than 200ms, with subsequent audio chunks returning faster than real time.

The API supports streaming audio output (you can play audio as it arrives), but not full bidirectional streaming. We plan to add support for this in the future.

Yes! The text to speech API can be consumed via our managed service or deployed in your own environment. To learn more about on-premises deployment options please contact our sales team.