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AssemblyAI Voice Agent API adds 6 languages with native code-switching

By PulseAugur Editorial · [1 sources] ·

AssemblyAI's Voice Agent API now supports six languages: English, Spanish, French, German, Italian, and Portuguese, with native code-switching capabilities. This functionality is powered by the Universal-3.5 Pro Realtime model, which prioritizes deep training in these specific languages for enhanced accuracy with names, products, and jargon. The API also offers custom terminology prompting at no extra cost to further improve recognition of domain-specific words, ensuring a more precise and professional user experience. AI

IMPACT Enhances usability for global voice applications by improving language support and custom terminology recognition.

RANK_REASON Product update for an AI-adjacent tool, not a core AI release.

Read on AssemblyAI blog →

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

AssemblyAI Voice Agent API adds 6 languages with native code-switching

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0 / 100
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Newsworthiness bucket
Tool
Product update for an AI-adjacent tool, not a core AI release.
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Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
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product
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High
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Story freshness
134 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. AssemblyAI blog TIER_1 English(EN) ·

    What Languages Does the Voice Agent API Support?

    AssemblyAI's Voice Agent API supports six languages with native code-switching—plus keyterms prompting so your agent hears product and customer names right.

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