Component Nodes

Component nodes define the AI capabilities of your agent. Each connects to the Framework node via a dedicated typed handle.

Persona

Defines the agent’s identity. Connected to persona_in on the Framework node.

Parameter	Type	Description
`agentName`	string	Display name of the agent
`persona`	text	System prompt (supports markdown)
`language`	enum	Primary language: `en`, `es`, `fr`, `de`, `pt`, `ja`, `zh`, `ko`, `it`, `nl`, `hi`, `ar`, `pl`, `tr`

LLM

The language model that generates the agent’s responses. Connected to llm_in on the Framework node.

Parameter	Type	Description
`model`	enum	Model identifier
`temperature`	slider (0–2)	Response creativity. Default: `0.7`
`max_tokens`	number	Max output tokens (advanced)

Providers

Provider	Default model
OpenAI	`gpt-4.1-mini`
Anthropic	`claude-sonnet-4-20250514`
Gemini	`gemini-2.5-pro`
Groq	`llama-3.3-70b-versatile`
Together AI	`meta-llama/Llama-3.3-70B-Instruct-Turbo`
DeepSeek	`deepseek-v3`
Moonshot	`moonshotai/kimi-k2-instruct`
Mistral AI	`ministral-8b-2410`
Cerebras	`llama3.1-8b`
Fireworks AI	`llama-v3p3-70b-instruct`
Perplexity	`llama-3.1-sonar-small-128k-chat`
xAI	`grok-4-1-fast`
OpenRouter	500+ models
Amazon Bedrock	`amazon.nova-2-lite-v1:0`
OVHCloud	`gpt-oss-120b`
Ollama	Custom (local)
Azure OpenAI	Custom deployment

IfElse and Categorize nodes also require their own LLM connection for condition evaluation. You can reuse the same LLM node or connect a separate one.

TTS

Text-to-speech engine for voice output. Connected to tts_in on the Framework node.

Parameter	Type	Description
`model`	enum	TTS model
`voiceId`	string	Voice identifier from the provider

Provider-specific parameters

Provider	Extra parameters
ElevenLabs	`stability` (0–1), `similarity_boost` (0–1)
Cartesia	`emotion`
OpenAI	`instructions` (style/tone prompt)

Providers

Provider	Default model
ElevenLabs	`eleven_flash_v2_5`
Cartesia	`sonic-3`
Deepgram	`aura-2`
OpenAI	`gpt-4o-mini-tts`
Rime	`arcana`
Inworld	`inworld-tts-1.5-max`
Neuphonic	—
Resemble AI	—
Groq	—

STT

Speech-to-text engine for voice input. Connected to stt_in on the Framework node.

Parameter	Type	Description
`model`	enum	STT model

Provider-specific parameters

Provider	Extra parameters
Deepgram	`keyterms` (comma-separated domain terms), `enable_diarization` (boolean)
AssemblyAI	`keyterms_prompt`, `language_detection` (boolean)

Providers

Provider	Default model
Deepgram	`nova-3`
ElevenLabs	`scribe_v2_realtime`
Cartesia	`ink-whisper`
AssemblyAI	`u3-rt-pro`
OpenAI	`gpt-4o-transcribe`
Groq	`whisper-large-v3-turbo`
OVHCloud	`whisper-large-v3-turbo`

Avatar

Renders a visual avatar during the call. Connected to avatar_in on the Framework node (optional).

Parameter	Type	Description
`avatarId`	string	Avatar identifier from the provider

Providers: Anam, Avatario, Beyond Presence, bitHuman, Hedra, LemonSlice, LiveAvatar, Simli, Tavus, TruGen.

Avatar nodes are optional and only supported on the LiveKit framework.

Getting Started

Building Flows

AI-Powered Generation

Testing Your Agent

Tools

Post-Processing

Deployment

Component Nodes

Component Nodes

Persona

LLM

Providers

TTS

Provider-specific parameters

Providers

STT

Provider-specific parameters

Providers

Avatar

​Component Nodes

​Persona

​LLM

​Providers

​TTS

​Provider-specific parameters

​Providers

​STT

​Provider-specific parameters

​Providers

​Avatar

Component Nodes

Persona

LLM

Providers

TTS

Provider-specific parameters

Providers

STT

Provider-specific parameters

Providers

Avatar