Soniox Text-to-Speech

What is Soniox Text-to-Speech?

Soniox Text-to-Speech is a voice generation API from the speech AI company Soniox. It turns text into natural, expressive speech in 60+ languages, using 200+ studio voices or a clone of your own. Audio tags shape emotion and delivery, while low-latency streaming suits live voice agents, phone bots, and real-time apps.

Top Features:

• Audio tags: direct whispers, laughter, hesitation, and other emotions right inside your text.
• Voice cloning: build a clean, faithful clone from seconds of audio, even noisy recordings.
• Precise pronunciation: reads names, phone numbers, codes, and technical terms without stumbling.

Use Cases:

• Voice agents: give phone bots natural speech that starts before the text finishes.
• Localization: dub training and marketing videos into many languages with one voice.
• E-learning: narrate courses and audiobooks with expressive delivery and character-level timestamps.

Who Can Use Soniox Text-to-Speech?

• Developers: add speech to apps through a streaming API with regional deployment.
• Voice AI teams: build agents that read account numbers and addresses without mistakes.
• Content producers: create multilingual voiceovers for online courses, videos, and accessibility tools.

Pricing

• Text input ($4/1M tokens): charged for the text and instructions you send in each request.
• Audio output ($21.50/1M tokens): charged for generated speech, roughly $0.70 per hour of audio.
• Enterprise (contact sales): custom committed-use contracts and volume discounts for large voice deployments.

Pros and Cons

Pros:

• Low price: under a dollar per generated hour is cheap for this quality.
• Language range: one voice speaks 60+ languages with a consistent identity and accent.
• Exact speech: numbers, emails, and medical or legal terms are spoken correctly.

Cons:

• No free tier: new API accounts no longer receive free credits for testing.
• Developer focus: full value requires API integration rather than a simple visual editor.
• New release: v2 launched recently, so community guides and examples are still thin.

FAQs:

1) How much does it cost?

Speech costs about seventy cents per generated hour, billed by tokens used.

2) How much audio does cloning need?

A few seconds of clear speech, and background noise is cleaned automatically.

3) How many languages are supported?

More than 60, and one voice can switch languages in the middle of a sentence.

4) Can it stream in real time?

Yes, audio starts playing before the full text is ready to send.

5) Where is it hosted?

Regional deployments run in the United States, the EU, Japan, and India.