Bulbul V4 Flash
Expressive Indian-language speech, built for real time
3
Product Hunt Upvotes
Oct 17, 2026
Launch Date
Oct 18, 2026
First Tracked
About
AI Summary
Bulbul V4 Flash is a text-to-speech model by Sarvam AI that offers natural and expressive speech in 11 Indian languages, featuring 83 voices and 224 voice-and-style combinations, with a response time of under 250 ms and a cost of ₹20 per 10,000 characters. It is 40% faster than its predecessor, Bulbul V3, and is accessible via the Sarvam API, Playground, or Content Studio.
Bulbul V4 Flash is Sarvam AI's text-to-speech model built for natural, expressive speech across Indian languages. It delivers under 250 ms time-to-first-audio, with 83 voices across 11 languages and 224 voice-and-style combinations. It's up to 40% faster than Bulbul V3 under comparable load and costs ₹20 per 10,000 characters. Try it through the Sarvam API, Playground, or Content Studio.
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