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AssemblyAI launches Sync API for faster, single-request speech-to-text

AssemblyAI has introduced a new Sync Speech-to-Text API that streamlines the transcription process into a single request. This API eliminates the need for polling by pre-warming connections while audio is being captured, significantly reducing latency. The Sync API, utilizing models like Universal-3.5 Pro, can deliver transcripts in as little as 134 milliseconds for users in the US or EU, and under two seconds globally. AI

IMPACT Reduces transcription latency, enabling more responsive real-time applications.

RANK_REASON Product launch for an API service.

Read on AssemblyAI blog →

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AssemblyAI launches Sync API for faster, single-request speech-to-text

COVERAGE [1]

  1. AssemblyAI blog TIER_1 English(EN) ·

    Sync Speech-to

    How the Sync Speech-to-Text API returns a transcript in one request — no polling — plus connection pre-warming, real latency numbers, and endpoint options.