# Sarvam AI Bulbul Review

> Sarvam AI Bulbul review: The go-to hosted TTS for Indian-language products (Hindi, Tamil, Telugu, Bengali and more) with REST, HTTP streaming and WebSocket.

![Sarvam AI Bulbul logo](https://www.versusref.com/logos/sarvam-bulbul.png)

The go-to hosted TTS for Indian-language products (Hindi, Tamil, Telugu, Bengali and more) with REST, HTTP streaming and WebSocket APIs and prepaid INR pricing; not aimed at global multilingual coverage.

Among the 46 text-to-speech tools we track, Sarvam AI Bulbul has the 23rd-widest language coverage.

See pricing · facts verified Jul 20, 2026

## What we know about Sarvam AI Bulbul

Sarvam AI Bulbul sits in the text-to-speech apis category, where it is the go-to hosted TTS for Indian-language products (Hindi, Tamil, Telugu, Bengali and more) with REST, HTTP streaming and WebSocket APIs and prepaid INR pricing; not aimed at global multilingual coverage. We keep this Sarvam AI Bulbul profile grounded in primary sources, each fact dated to when we last confirmed it.

Sarvam AI Bulbul does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current Sarvam AI Bulbul quote, it is the fastest way for us to close that gap.

On capabilities, Sarvam AI Bulbul covers streaming audio output, realtime websocket api, and emotion / style controls. Each of those is verified against Sarvam AI Bulbul's own docs or dashboard, not marketing copy.

Placed against the 46 text-to-speech tools we track, Sarvam AI Bulbul's strongest showing is the 23rd-widest language coverage, while it trails at 12th on stock voices - a spread worth weighing against your own priorities.

In total we track 10 verified facts for Sarvam AI Bulbul today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Sarvam AI Bulbul fact sheet below.

## Fact sheet

### Pricing

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Pricing model | usage (INR) | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/pricing.md) |
| Free tier quota | INR 100 credits (one-time) | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/pricing.md) |

### Capabilities

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Streaming audio output | ✓  Yes | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/models/bulbul.md) |
| Realtime websocket API | ✓  Yes | Jul 20 | [source](https://docs.sarvam.ai/api/api-guides-tutorials/text-to-speech/streaming-api/web-socket.md) |
| Voice library size | 30 voices | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/models/bulbul.md) |
| Languages supported | 11 languages | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/models/bulbul.md) |
| Emotion / style controls | ✓  Yes | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/models/bulbul.md) |

### Build experience

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Concurrency on base plan | 60 requests per minute (Starter tier) | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/pricing.md) |
| Output formats | WAV (default), MP3, Linear16, Mulaw, Alaw, Opus, FLAC, AAC | Jul 20 | [source](https://docs.sarvam.ai/api/api-guides-tutorials/text-to-speech/rest-api.md) |
| Max input per request | 2500 characters per REST request (v3) | Jul 20 | [source](https://docs.sarvam.ai/api/getting-started/models/bulbul.md) |

Source: https://www.versusref.com/tts/tools/sarvam-bulbul/