https://voicebenchmark.ai/ 2026-04-23T19:14:30.967Z https://voicebenchmark.ai/methodology 2026-04-23 https://voicebenchmark.ai/provider/openai-realtime-api 2026-04-23T19:05:22.389Z https://voicebenchmark.ai/provider/dasha 2026-04-23T19:05:22.143Z https://voicebenchmark.ai/provider/retell 2026-04-23T19:05:43.290Z https://voicebenchmark.ai/provider/livekit 2026-04-23T19:05:31.519Z https://voicebenchmark.ai/provider/synthflow 2026-04-23T19:05:19.055Z https://voicebenchmark.ai/provider/elevenlabs 2026-04-23T19:05:13.750Z https://voicebenchmark.ai/provider/vapi 2026-04-23T19:05:46.733Z