https://voicebenchmark.ai/ 2026-04-12T08:32:28.169Z https://voicebenchmark.ai/methodology 2026-04-12 https://voicebenchmark.ai/provider/dasha 2026-04-12T08:05:41.107Z https://voicebenchmark.ai/provider/livekit 2026-04-12T08:05:17.144Z https://voicebenchmark.ai/provider/retell 2026-04-12T08:05:38.781Z https://voicebenchmark.ai/provider/openai-realtime-api 2026-04-12T08:05:18.100Z https://voicebenchmark.ai/provider/synthflow 2026-04-12T08:05:17.198Z https://voicebenchmark.ai/provider/elevenlabs 2026-04-12T08:05:02.908Z https://voicebenchmark.ai/provider/vapi 2026-04-12T08:05:17.901Z