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Launch HN: Roark (YC W25) – Taking the pain out of voice AI testing

Feb 17, 2025 - news.ycombinator.com
James and Daniel, co-founders of Roark, have developed a tool designed to help developers test and iterate on Voice AI systems by replaying real production calls against the latest changes. This tool addresses common issues faced by Voice AI teams, such as debugging inefficiencies and missing audio cues like hesitation or frustration, which are often overlooked by text-based sentiment analysis. Roark captures and replays calls from various sources, preserving the nuances of the original conversation, to ensure that AI agents are tested under real-world conditions rather than synthetic scripts.

Roark's platform provides analytics similar to Mixpanel, allowing teams to track failures, conversation flows, and performance metrics. This helps teams debug faster and ship updates with confidence, reducing the need for manual testing. While the product is not yet available for self-service, Roark is offering fast-tracked access to Hacker News readers interested in trying the tool. The company is already collaborating with teams in healthcare, legal, and customer service sectors to enhance their Voice AI systems and improve customer experiences.

Key takeaways:

  • Roark is a tool designed to help developers replay real production calls against their latest Voice AI changes to catch failures and test updates efficiently.
  • The tool captures real production calls and replays them, preserving user speech, sentiment, and tone to ensure testing under real-world conditions.
  • Roark provides analytics similar to Mixpanel to track failures, conversation flows, and key performance metrics, enabling faster debugging and confident shipping of updates.
  • The product is currently not self-service ready, but a special signup page is available for HN users interested in trying out the tool.
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