> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.vapi.ai/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.vapi.ai/_mcp/server.

**Expanded Voice Compatibility with Realtime Models**: You can use the voices ash, ballad, coral, sage, and verse with any realtime models, giving you more flexibility in voice synthesis options.

**Access to New OpenAI Models**:
You can now specify the new models `gpt-4o-realtime-preview-2024-12-17` and `gpt-4o-mini-realtime-preview-2024-12-17` when configuring `OpenAIModel.model` and `OpenAIModel.fallbackModels`.

**New ElevenLabs Voice Models Available**:
The new voice models `eleven_flash_v2` and `eleven_flash_v2_5` are now available for use in `ElevenLabsVoice` and `FallbackElevenLabsVoice`, offering potential improvements in voice performance.