What is code-mixing and why does it matter?

Code-mixing is the practice of switching between two or more languages in a single conversation (like Hinglish). Sarvam AI's TTS is specifically trained to handle this naturally, ensuring that transitions between English and regional words sound fluid rather than robotic.

Does Sarvam AI support streaming audio?

Yes, it supports real-time audio generation via WebSocket streaming with a median latency of under 250ms for the first byte, making it suitable for live voice agents.

How many Indian languages are supported?

The Text to Speech API currently supports 11 major Indian languages, including Hindi, Tamil, Bengali, Telugu, and Marathi, alongside English with an Indian accent.

Can I control the speed or tone of the voice?

Yes, the API provides configurable controls to fine-tune the pace, expressiveness, and tone of the generated speech to match your specific use case.

What audio formats can I export?

The API supports multiple common audio formats including MP3, WAV, AAC, and OPUS.

Is there a free trial available?

Yes, Sarvam AI typically offers ₹1,000 in free credits for new developers to explore and test the APIs without an upfront commitment.

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Text to speech

Freemium

Sarvam AI - Text to Speech API

Natural, expressive text-to-speech for 11+ Indian languages. Features code-mixing support, 35+ authentic voices, and low-latency streaming for real-time voice agents.

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Rating

Reviews

Upvotes

3 months ago

Listed

Text to speech

Voice AI

Indian Languages

Hinglish

Voice Synthesis

Developer Tools

Low Latency

Multilingual AI

API

Voice Agents

Tool information

Provider

Sarvam AI

Platforms

Web

API

Python SDK

Node.js SDK

Languages

Hindi

Bengali

Tamil

Telugu

Marathi

Gujarati

Kannada

Malayalam

Punjabi

Odia

English (Indian Accent)

API Available

Yes

Added to directory

3 months ago

Last updated

about 1 month ago

Rating

Not available

Pricing

Freemium

About Sarvam AI - Text to Speech API

What the tool does and who it's for

Sarvam AI offers a high-performance Text to Speech (TTS) API powered by the Bulbul v3 model, specifically engineered for the Indian linguistic landscape. It supports 11 major Indian languages and provides over 35 distinct, expressive voices that capture regional nuances and authentic accents. A standout feature is its native support for code-mixing (e.g., Hinglish, Tanglish), allowing for seamless transitions between English and regional languages within a single sentence. The API is designed for low-latency applications, offering WebSocket streaming for real-time voice agents and REST APIs for batch processing. It excels in handling technical pronunciation, including the clear reading of numbers, abbreviations, and acronyms, making it ideal for banking, education, and customer support sectors in India.

Key capabilities

Bulbul v3 Model: State-of-the-art TTS engine optimized for expressive and human-like Indian speech.

Native Code-Mixing: Effortlessly switches between English and regional languages in a single interaction.

35+ Unique Voices: A diverse selection of male and female voices with varying tones (Conversational, News, etc.).

Sub-250ms Latency: Real-time audio streaming via WebSocket, perfect for interactive voice bots.

Regional Pronunciation: High accuracy for Indian names, locations, and cultural context.

Configurable Controls: Adjust voice pace, expressiveness, and tone to match specific brand requirements.

INR Pricing: Simplified billing for Indian enterprises with no USD conversion complexities.

Multi-Format Support: Exports audio in MP3, WAV, AAC, and OPUS formats.

Pricing

Freemium — plans below

Starter / Free Tier

₹0

₹1,000 in free credits upon signup
Access to 11 Indian languages
Rate limit: 60 requests/min
Community support
Ideal for prototyping and testing

Pay-as-you-go (Bulbul v3)

Pro

₹10,000

Includes ₹11,000 in credits (₹1,000 bonus)
Rate limit: 200 requests/min
Email support
Best for startups and POCs

Enterprise

Contact sales

Dedicated capacity and SLAs
Custom model fine-tuning
On-premise or private cloud deployment
Data residency controls

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