Sarvam AIBulbul

Bulbul V4 Flash

Bulbul V4 Flash is Sarvam's latest text-to-speech release. It keeps the V3 request shape but uses a new persona-based speaker catalog. The API model guide lists 222 voice IDs.

Check the exact voice-language pair

The documented V4 roster includes English-Hindi voices but does not yet offer Malayalam or Odia. The current voice catalog is the appropriate source for selecting a persona.Bulbul model guide

Practical use

Practical guidance. Audition the exact voice with realistic names, amounts and mixed-language sentences. Pin the model and speaker together. Matching API fields do not imply that old speaker IDs or language coverage carry forward.

Specifications & access

Bulbul V4 Flash specifications
DetailValue and conditions
AccessAPI
Model identifiersbulbul:v4-flash
Speaker selectionUses persona IDs; the V3 speaker value shubh is invalidBulbul model guide

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