AI · 1h ago
Real-time speech-to-text becomes the new default for voice AI
Speech-to-text is shifting from batch processing to real-time as latency drops below 250ms and word error rates hit 6.99% on benchmarks. Voice agents, live captions, and ambient scribes now require immediate transcription to deliver value. AssemblyAI's Universal-3.5 Pro Realtime leads with accuracy far ahead of competitors like Deepgram and Google.
Meridian48 take
The article is essentially a product pitch for AssemblyAI, but the underlying trend—real-time STT crossing the usability threshold—is real and significant for voice AI builders.
speech-to-textreal-time-ai