David AI
David AI is an audio data research company building the data layer for voice AI. The startup creates high-quality, full-duplex channel-separated speech training datasets that address the critical bottleneck in voice AI model development, supporting cutting-edge voice production systems and frontier research.
Raised $25M Series A in May 2025 led by Alt Capital and Amplify Partners with Y Combinator backing. Trusted partner to leading AI labs; addresses gap where only ~3k hours of quality full-duplex dialogue data exists globally despite billions needed for end-to-end speech models.
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