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AssemblyAI highlights speech-to-text accuracy as key for voice agent APIs

AssemblyAI has published a guide for contact centers selecting voice agent APIs, emphasizing the critical role of speech-to-text accuracy. The company argues that most voice agent failures stem from misheard inputs rather than reasoning errors. Key evaluation criteria for contact-center-grade APIs include accuracy on telephony audio, low end-to-end latency, effective turn detection, high concurrency, unified billing, and Business Associate Addendum availability for regulated industries. AI

IMPACT Provides guidance for businesses selecting voice agent technology, emphasizing accuracy over reasoning.

RANK_REASON Blog post providing guidance on selecting a product category, not a new product release or significant industry event.

Read on AssemblyAI blog →

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

AssemblyAI highlights speech-to-text accuracy as key for voice agent APIs

COVERAGE [1]

  1. AssemblyAI blog TIER_1 English(EN) ·

    Best voice agent API for contact centers: How to choose in 2026

    Most voice agent errors are hearing errors. Compare contact center voice agent APIs on telephony accuracy, latency, concurrency, and cost — and how to choose.