Deepgram

Deepgram is a speech recognition API built for developers that provides fast, accurate transcription with noise robustness for production voice applications. Its models handle challenging audio (phone calls, meetings, noisy environments) better than many alternatives, with domain-specific models for medical, legal, finance, and conversational audio. Developers building voice agents, call analytics platforms, meeting transcription tools, and audio analysis systems use Deepgram for its combination of accuracy, speed, and cost-effectiveness. Real-time streaming transcription enables live captioning, voice command systems, and live meeting intelligence. Deepgram's API-first design and competitive pricing have made it a default choice in the voice AI developer stack. Its Nova-3 model regularly tops accuracy benchmarks for real-world audio, distinguishing it from research-focused models that perform well on clean speech but struggle with actual call recordings.