NovaSynth by Noveum

Test your voice agent on the callers you can’t stage.

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NovaSynth lets you simulate realistic callers at scale using custom personas, scenarios, interruptions, noise, accents, and network conditions. It runs those calls against your voice agent, scores both audio and transcripts across more than 30 dimensions, and surfaces the failures and fixes that matter most to your team. Instead of guessing how your agent will hold up in the real world, you can test it under the messy conditions it will actually face.