It's part of Sarvam's broader sovereign-AI product push in India, alongside Sarvam Code and a stated trillion-parameter model roadmap that, per explainx.ai's coverage, still needs a primary technical release to substantiate.
Bulbul V4 is Sarvam AI's expressive text-to-speech model for Indian languages, announced alongside Sarvam Code at Sarvam's Epoch 2026 conference in Bengaluru.
It's part of Sarvam's broader sovereign-AI product push in India, alongside Sarvam Code and a stated trillion-parameter model roadmap that, per explainx.ai's coverage, still needs a primary technical release to substantiate.