Changelog

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Custom Avatars

• Introducing Custom Avatars API: Programmatically generate custom neural avatars from a single source image using POST /v2/custom-avatar, and manage or poll generation status with GET /v2/custom-avatar/{id} and DELETE /v2/custom-avatar/{id}.

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LLMs & Providers

• Refreshed LLM Catalog: Updated Available LLMs to the latest generation of reasoning and multimodal models:
  • Google: Gemini 4 31b (google/gemma-4-31b-it), Gemini 3.5 Flash Lite, Gemini 3.1 Flash Lite
  • Groq: GPT OSS 20b, GPT OSS 120b
  • OpenAI: GPT 5.4 Mini (openai/gpt-5.4-mini)
  • Kimi: Kimi K2.6 (moonshotai/kimi-k2.6)
• Expanded TTS Providers & Voice Library:
  • Added support for Rime (Mist v3, Coda), Fish Audio (S2 Pro, S2.1 Pro), and Inworld TTS (Inworld TTS 1.5 Mini) alongside ElevenLabs and Cartesia.
  • Updated Voice Library with interactive audio previews and copyable voice IDs across all 5 TTS providers.
• Updated Speech-to-Text (STT) Providers:
  • Added Deepgram Flux General & Flux General Multilingual, AssemblyAI Universal-Streaming & Universal-3.5 Pro, and Speechmatics Enhanced & Standard.

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JavaScript SDK

• Full JavaScript SDK documentation: Quickstart, Authentication (two-tier API key + session tokens), Production usage, Basic JavaScript and TypeScript examples, and a complete SDK Reference covering Basic Usage, Audio Control, Event Handling, and all 17 events
• LiveKit JavaScript/TypeScript support: Added JS/TS tab to the LiveKit integration page alongside Python, covering @livekit/agents-plugin-trugen install, environment setup, and AvatarSession configuration reference

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AI Teammates

• External Meetings: New documentation covering how to enable External Meetings per agent, agent email addresses, invite flow, supported platforms (Google Meet, Zoom, Teams, Webex), multi-participant support, and the proprietary Chime In model for natural turn-taking
• Vision Understanding: Renamed and fully expanded with Hawkeye-1 capabilities: Emotion Detection, Head Pose Tracking, Eye Gaze Tracking, Face Count Detection, Deepfake Detection, and Lip Sync Detection, plus real-time alerts, scale architecture, and common use cases
• Tools revamp: Completely restructured into three pages: Tools Overview (all types + testing), Integrations (Composio 1000+ apps, OAuth/API key auth), and Custom Tools (API/Webhook, MCP with SHTTP/SSE transport, Client Tools with npm handler pattern)
• Event Callbacks: Added max_call_duration_warning and tool_call events, bringing the total to 11 events. All events and code examples are now in alphabetical order
• Knowledge Base: Expanded with RAG vs Agentic RAG explanation, three content types (Documents, Plain Text, URL/Website), improved naming guidance, and API examples for creating knowledge bases and adding documents

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LLMs

• Available LLMs: New page listing all supported models across Groq, Azure OpenAI, Google, Open Router, and Livekit Inference, with a quick-reference model selection guide
• Custom LLM: Renamed sidebar entry and improved with clearer setup steps

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Voices & Languages

• Voice Library: Updated with ElevenLabs audio sample URLs for all 17 voices, plus 52 Cartesia voices added
• Multilingual Support: Expanded from 9 to 60+ languages organised into European, Asian & Pacific, and Arabic regional tables with dialect-level codes

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Providers

• Providers page: Restructured into three clear sections: STT, LLM, and TTS, with all providers and models listed and moved to the Introduction group for better discoverability

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Key Features in This Release

• Text to Video: We are introducing a new option that allows you to generate a video from a script using our Huma avatar model.

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Key Features in This Release

• Enhanced Knowledge Base: we revised our entire knowledge layer architecture for improved reliability and overall performance. Our retrievals today average <100ms.
• Introduced Memory documentation page describing how agents use conversation and long-term memory, plus navigation entry under Managed Agents.

• Updated stock avatars page to include list of all available avatars for LiveKit Voice Agent integration.

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Key Features in This Release

• Added Support for LiveKit plugin to bring in your own voice agents.
• Updated Tools and MCP APIs section for ease of access and modification.

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Key Features in This Release

• New API for Get Conversation by Id.
• Stability and General Bug fixes.

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Key Features in This Release

• Conversational Video Agents
  • Real-time human-like interaction powered by speech, vision, and contextual reasoning
  • Sub-second response times for natural two-way conversation
  • Dynamic turn-taking, interruption handling, and multimodal awareness
• End-to-End Conversational Pipeline
  • STT → LLM → TTS → Video rendering flow in under one second
  • Automatic turn detection and expressive avatar synchronization
• Huma-01 Expressive Avatar Model
  • Emotionally rich facial animation, micro-expressions, and lip-sync accuracy
• Hawkeye-01 Vision Action Recognition
  • Real-time gesture and movement detection for behavior-adaptive responses
• Knowledge Base Integration
  • Ground responses in your data, documents, or APIs for factual and brand-specific conversations
• Persona Templates
  • Create configurable agent personalities with system prompts, tone, entry/exit messages, and state logic
• Event Webhooks
  • Full lifecycle and speech event hooks for analytics, UI synchronization, and workflow automation
• Integration Options
  • iFrame embed for zero-setup deployment

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Developer Experience

• Comprehensive API Reference documentation