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AssemblyAI launches Sync API for faster, real-time audio transcription

AssemblyAI has introduced a new Sync API for audio transcription, designed for speed on short audio clips. Unlike the traditional async method where audio is processed in the background and results are collected later, the Sync API returns a transcript within the same HTTP response. This makes it ideal for interactive applications where users are waiting for immediate results, providing transcripts faster than the audio duration for clips under two minutes. While async transcription is better suited for longer files and more complex analysis like speaker diarization or PII redaction, the Sync API offers the same accuracy for the core transcription task but is limited to shorter audio segments. AI

IMPACT Enables faster, real-time transcription for interactive AI applications.

RANK_REASON New product feature release from an AI tooling company.

Read on AssemblyAI blog →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

AssemblyAI launches Sync API for faster, real-time audio transcription

COVERAGE [1]

  1. AssemblyAI blog TIER_1 English(EN) ·

    Sync vs. async transcription: which to use and how fast each can go

    Sync vs. async transcription compared: how each delivers a transcript, when to use which, and how sync returns short-clip text in ~134ms—faster than real time.