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HeyGen adds instant voice cloning and speech through its API
HeyGen’s current October developer entry adds instant cloning on its own HeyGen Voice model from one recording, with completed and streaming text-to-speech through new model endpoints. The announcement gives only the month, so the exact release date is unknown. The changelog says no voice slot, while the detailed guide says instant voices count toward a workspace allowance; buyers should check their account terms and use recordings they are authorized to clone.
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