Soniox Text-to-Speech
AI text-to-speech with voice cloning in 60+ languages.
At a glance
Paid · Source review 2026-11-02- Price & billing
Official TTS page reviewed 2026-11-02: token-based pricing at $4.00 per 1M input text tokens and $21.50 per 1M output audio tokens, about $0.70 per hour of generated speech; pay only for what is used, with volume pricing and enterprise deployment on contact.
- Free allowance
Not separately confirmed. Check the current plan before relying on a free allowance.
- Best suited to
Developers building voice agents, narration and live conversations in 60+ languages
Fit is editorial guidance, not a measured result.- Platforms
Access: not separately verified. Operating systems not separately verified.
Published-source facts and editorial guidance. No product test is implied. Confirm current conditions before purchase.
No product screenshot is claimed for this listing. Use the official website ↗ to inspect the current interface.
What to know before choosing
Good fit
Developers building voice agents, narration and live conversations in 60+ languages
Limits and trade-offs
Usage-based pricing means total cost depends on volume; the $0.70/hour figure is an approximation from token rates, not a flat rate.
Plans and free allowances
Official TTS page reviewed 2026-11-02: token-based pricing at $4.00 per 1M input text tokens and $21.50 per 1M output audio tokens, about $0.70 per hour of generated speech; pay only for what is used, with volume pricing and enterprise deployment on contact.
Evidence
Official homepage ↗ (reviewed 2026-11-02)
Official published page review; no authenticated product test
Dates: Last reviewed 2026-11-02. Last reviewed is the latest source or editorial review date; it is not a content-change date.
A closer look at Soniox Text-to-Speech
Soniox Text-to-Speech is a multilingual streaming TTS API with precise, natural pronunciation in 60+ languages, instant voice cloning and emotion control, built for voice agents, narration and live conversations. Audio tags direct emotion, delivery and vocal reactions — whispers, laughter, hesitation, excitement, tension, reassurance — while 200+ studio-quality voices span accents, ages and styles, or a voice can be cloned from seconds of audio and used across all 60+ languages. It pronounces complex terminology, names, numbers and structured information exactly as written, mixes languages naturally within one utterance, streams with low latency (speech starts before the sentence ends), and returns character-level timestamps for clean interruptions. It runs in-region (US, EU, Japan, India) with SOC 2 Type 2, ISO 27001, HIPAA and GDPR compliance, and audio is never stored or used for training.
Editorial guidance based on published documentation. The workflow below is a suggested starting point, not a measured product result.
When to choose Soniox Text-to-Speech
- Developers building real-time voice agents
- Teams localizing video, courses and audiobooks
- Products needing exact pronunciation of names, numbers and terms
When to choose something else
- Users who want a flat monthly subscription, since pricing is token-based
- Non-developers looking for a no-code TTS app rather than an API
A practical starting workflow
- Create an API key in the Soniox Console
- Send text to the real-time WebSocket or REST API with a voice or voice clone
- Stream speech with character-level timestamps as text arrives
- Direct emotion and delivery with audio tags
- Deploy in-region for latency, residency and compliance needs
Check before committing
- Vendor claims on the official page are not guarantees; actual results, quality and availability must be tested in the product.
- Prices and features may change after this review; recheck the official site before purchase or signup.
Common questions
What is Soniox Text-to-Speech?
A multilingual streaming text-to-speech API with precise, natural pronunciation in 60+ languages, instant voice cloning and emotion control, built for voice agents, narration and live conversations.
How much does Soniox TTS cost?
Token-based: $4.00 per 1M input text tokens and $21.50 per 1M output audio tokens, about $0.70 per hour of generated speech; pay only for what is used.
How does voice cloning work?
Upload a clean reference clip of up to 2 minutes through the Console or API; the returned voice ID works like a built-in voice across all 60+ languages.
Compare approaches for this task
Sources and checks
Last source review is not a date of product testing. No rating or test result is implied by inclusion. Check the current plan and terms before buying.