Providers

TruGen integrates with industry-leading AI providers to power each stage of the conversational pipeline. Each provider handles one capability — STT, LLM, or TTS — and can be configured independently per agent.

Speech-to-Text (STT)

Provider	Model	Best For
ElevenLabs	Scribe V2 Realtime	Ultra-low latency real-time transcription across many languages for live conversational applications
Deepgram	Nova-3	Real-time, multilingual, or complex audio scenarios requiring maximum accuracy and customisation
Deepgram	Nova-2	High-volume, English-focused transcription where speed and low cost are the top priorities
Deepgram V2	Flux General	Real-time voice agents needing accurate transcription with intelligent turn detection

Large Language Models (LLM)

Provider	Model	Best For
Groq	GPT OSS 20b	Low-latency conversational AI and agents where fast responses are critical
Groq	GPT OSS 120b	Higher-quality reasoning with low latency for more complex tasks
Groq	Llama-4 Scout	Multi-document analysis, codebase reasoning, and personalised tasks
Azure OpenAI	GPT-5.4-Mini	Fast, cost-efficient general-purpose language generation
Azure OpenAI	GPT-5.4-Mini Medium Reasoning	Balanced reasoning for structured and multi-step tasks
Azure OpenAI	GPT-5.4-Mini Low Reasoning	Ultra-fast responses for simple conversational tasks
Google	Gemini 3.1 Pro Preview	Advanced reasoning and high-quality generation for complex tasks
Google	Gemini 3.1 Flash Lite	Fast, lightweight responses for cost-sensitive deployments
Open Router	Llama 4 Scout	Open-source model access via a unified routing layer
Open Router	GPT OSS 120B	Large open-source model via routing layer
Livekit Inference	Gemma 4 31b	Edge-optimised inference for low-latency deployments

Text-to-Speech (TTS)

Provider	Model	Best For
ElevenLabs	Turbo 2	Fast, low-latency English TTS for real-time voice agents and IVR systems
ElevenLabs	Turbo 2.5	Fast, low-latency multilingual TTS for real-time conversational AI
Cartesia	Sonic 3	Real-time conversational TTS with a wide range of expressive voices
Cartesia	Sonic 3.5	Next-generation real-time TTS with enhanced voice quality and expressiveness

New providers and model configurations are added regularly. Use the /v1/providers endpoint to always fetch the latest available list.

Provider Types

Type	Role
`llm`	Large Language Model — reasoning and response generation
`stt`	Speech-to-Text — real-time audio transcription
`tts`	Text-to-Speech — voice rendering

Retrieve All Providers

Use this endpoint to fetch all currently available providers and their models: GET /v1/providers

curl --request GET \
  --url https://api.trugen.ai/v1/providers \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>'

Replace <api-key> with your API key from the Developer Portal.

What’s Next?

Bring Your Own LLM

Connect a self-hosted or custom LLM to your agents.

Multilingual Support

Configure STT and TTS languages for global conversations.

Create Agent

Assign provider selections when creating a new agent.

Providers API Reference

Full endpoint documentation for retrieving provider information.

Introduction

AI Teammates

Speech-to-Text (STT)

Large Language Models (LLM)

Text-to-Speech (TTS)

Provider Types

Retrieve All Providers

What’s Next?

Bring Your Own LLM

Multilingual Support

Create Agent

Providers API Reference

​Speech-to-Text (STT)

​Large Language Models (LLM)

​Text-to-Speech (TTS)

​Provider Types

​Retrieve All Providers

​What’s Next?

Bring Your Own LLM

Multilingual Support

Create Agent

Providers API Reference

Speech-to-Text (STT)

Large Language Models (LLM)

Text-to-Speech (TTS)

Provider Types

Retrieve All Providers

What’s Next?