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### Answer Hi Matthieu, Reducing latency with Eleven Labs, especially for multilingual TTS, can be challenging due to the inherent complexities of handling multiple languages and the quality of the text-to-speech synthesis. While Vapi typically offers optimizations to reduce latency, specific adjustments with Eleven Labs or other TTS providers might not be directly controllable through Vapi's standard settings [(1)]() . Here are a few general tips that might help reduce latency: 1. **Optimize Network Conditions**: Ensure that your network connection is stable and fast. Network issues can significantly impact latency. 2. **Server Proximity**: Using servers geographically closer to your user base can reduce latency. Vapi uses colocated servers to shave off milliseconds of latency. 3. **Simplify TTS Demands**: Sometimes, reducing the complexity of the text being converted can help. Simplifying sentences or using less complex language structures might slightly reduce processing time. For the specific issue with Eleven Labs, you might want to check their documentation or support for any settings or recommendations specific to reducing latency in multilingual setups. If these tips don't help, consider reaching out directly to Eleven Labs for more detailed assistance on their multilingual TTS configurations.