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 .
OpenAI's GPT-5.5 model is now available as a managed LLM in the Voice Agent API. GPT-5.5 is an Advanced tier model. Set the model in your agent configuration: { "agent": { "think": { "provider": { "type": "open_ai", "model": "gpt-5.5", "temperature": 0.7 } } } } For the full list of supported models and pricing tiers, see the Voice Agent LLM Models...
🌏 Nova-3 now supports Gujarati with the following language codes: Gujarati: gu , gu-IN Access this model by setting model="nova-3" and the relevant language code in your request. Learn more about Nova-3 and supported languages on the Models and Language Overview page.
- quay.io/deepgram/self-hosted-api:release-260416 Equivalent image to: quay.io/deepgram/self-hosted-api:1.181.7 quay.io/deepgram/self-hosted-engine:release-260416 Equivalent image to: quay.io/deepgram/self-hosted-engine:3.115.1 Minimum required NVIDIA driver version: >=570.172.08 quay.io/deepgram/self-hosted-license-proxy:release-260416 Equivalent image to...
The same model that solved turn detection for English voice agents now works everywhere your customers speak , no language routing, no model-per-language infrastructure, no accuracy tradeoff.
You can now store and manage agent configurations and template variables through the Deepgram API. Instead of sending a full agent configuration with every WebSocket session, define it once and reference it by UUID.
NVIDIA is now a supported LLM provider for the Voice Agent API. The following model is available in the Standard pricing tier: nemotron-3-nano-30B-A3B , Nemotron 3 Nano 30B A3B provides cost efficiency with high accuracy for targeted agentic tasks.
- quay.io/deepgram/self-hosted-api:release-260402 Equivalent image to: quay.io/deepgram/self-hosted-api:1.181.3 quay.io/deepgram/self-hosted-engine:release-260402 Equivalent image to: quay.io/deepgram/self-hosted-engine:3.114.5 Minimum required NVIDIA driver version: >=570.172.08 quay.io/deepgram/self-hosted-license-proxy:release-260402 Equivalent image to...
{ "type": "FunctionCallRequest", "functions": [ { "id": "fc_12345678-90ab-cdef-1234-567890abcdef", "name": "get_weather", "arguments": "{\"location\": \"Fremont, CA 94539\"}", "client_side": true, "thought_signature": "abc123" } ] } The thought_signature field is optional and only relevant when using Google Gemini models.
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