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The best AI voice agent infra in 2025

AI Voice Agent Infrastructure provides the APIs and systems required to build and scale voice-enabled agents. It ensures performance, reliability, and integration with existing software.

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Top reviewed AI voice agent infrastructure products

Top reviewed
LiveKit
stands out for open-source, low-latency WebRTC with modular APIs and analytics—great for AI voice agents, conferencing, and robotics.
Vapi
emphasizes developer-first voicebot orchestration, multilingual support, tool calling, and testing for inbound/outbound telephony.
Daily.co
offers ultra‑low‑latency SDKs and global infrastructure, enabling customizable voice/video agents, AI features, and secure enterprise deployments. Each balances speed, flexibility, and integration depth.
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