# Eleven v4: AI model fact sheet

- **Provider:** elevenlabs
- **Released:** 2026-10-07
- **OpenRouter ID:** elevenlabs/eleven-v4
- **Capabilities:** text-to-speech, audio-generation

Speech synthesis from ElevenLabs with inline audio tags for emotion and delivery. Supports over ninety languages and up to 10,000 characters per request.

Source: real side-by-side outputs, pricing and specs at https://rival.tips/models/eleven-v4