https://voicebenchmark.ai/ 2026-04-29T16:48:22.381Z https://voicebenchmark.ai/methodology 2026-04-29 https://voicebenchmark.ai/provider/openai-realtime-api 2026-04-29T16:05:29.116Z https://voicebenchmark.ai/provider/dasha 2026-04-29T16:05:30.859Z https://voicebenchmark.ai/provider/retell 2026-04-29T16:05:31.248Z https://voicebenchmark.ai/provider/synthflow 2026-04-29T16:05:25.435Z https://voicebenchmark.ai/provider/livekit 2026-04-29T16:05:19.645Z https://voicebenchmark.ai/provider/elevenlabs 2026-04-29T16:05:14.875Z https://voicebenchmark.ai/provider/vapi 2026-04-29T16:05:36.768Z