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AssemblyAI Universal-3.5 Pro outperforms ElevenLabs Scribe v2 in key speech-to-text benchmarks

By PulseAugur Editorial · [1 sources] ·

AssemblyAI has released a comparison of its Universal-3.5 Pro model against ElevenLabs' Scribe v2, highlighting Universal-3.5 Pro's superior performance in key areas for production systems. The comparison, conducted by AssemblyAI's Voice AI lead, indicates that Universal-3.5 Pro leads in code-switching accuracy, entity error rates in voice-agent conversations, and speaker diarization quality. While Scribe v2 performs well on some public benchmarks and is suitable for batch subtitling, Universal-3.5 Pro is presented as the preferred choice for applications prioritizing transcription accuracy and understanding. AI

IMPACT Provides a detailed comparison for developers choosing between leading speech-to-text models, influencing adoption based on accuracy and specific use cases.

RANK_REASON Comparison of two speech-to-text models by a vendor, not a primary release.

Read on AssemblyAI blog →

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

AssemblyAI Universal-3.5 Pro outperforms ElevenLabs Scribe v2 in key speech-to-text benchmarks

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0 / 100
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Tool
Comparison of two speech-to-text models by a vendor, not a primary release.
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product, model release
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High
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49 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) ·

    ‍AssemblyAI Universal-3

    Compare ElevenLabs Scribe v2 and AssemblyAI Universal-3.5 Pro on code-switching WER, voice-agent accuracy, entity errors, and diarization for 2026.

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