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Aura-2 Speed and Pronunciation Controls require an updated voice-pack

UpdateUnverifiedAdded Sep 24, 2026

The new Aura-2 Speed and Pronunciation Control features in this release are powered by an updated Aura-2 English voice-pack model. If your deployment is using an Aura-2 English voice-pack from before the April 2026 release (e.g., the 2025-04-15.0 version of the voice-pack), requests including the speed or pronounce parameters will return 400 Bad Request .

Deepgram's release notes

More Deepgram releases

Every Deepgram release
DateRelease
Apr 30Container Images (release 260430)unverified
Update
Apr 30This Release Contains The Following Changesunverified
Update
Apr 29GPT-5.5 LLM Model Supportunverified
Update
Apr 29Llama Nemotron Super 49B Removedunverified
Update
Apr 29Cartesia TTS Speed Controlunverified
Update
May 4Aura-2 Voice Controls , Speed and Pronunciationunverified
Update
May 4Voice Agentunverified
Update
May 4Self-Hostedunverified
Update

Also shipped on Apr 30, 2026

Deepgram in April 2026

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