AssemblyAI Launches Sync API
AssemblyAI · x · 2026-07-15
AssemblyAI has officially launched the Sync API, focusing on synchronous speech-to-text: text is returned almost instantly after the user stops speaking, with latency as low as 134ms.
This effectively splits speech transcription into three modes: real-time (transcribing as you speak), synchronous (instant results after speaking), and asynchronous (batch processing/long audio). This update primarily fills the gap between real-time and batch processing.
Related event: AssemblyAI Launches Sync API for Low-Latency Speech-to-Text(4 posts)→
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