AssemblyAI Universal-3 Pro
converts spoken audio into text. Sometimes called "ASR" (automatic speech recognition). Deepgram, AssemblyAI.fact-checked, all required fields present, publicly visiblebatch
speech.dev has not published an operational assessment for this entry yet. Facts below are source-linked where available.
Overview
- Publisher
- AssemblyAI
- Lab
- assemblyai
- Last updated
- 2026-05-23
- Modality
- converts spoken audio into text. Sometimes called "ASR" (automatic speech recognition). Deepgram, AssemblyAI.
a voice model trained on multiple languages. Quality varies enormously by language — "supports 40 languages" may be great in 3 and mediocre in the other 37.
en, es, fr, de, it, pt
Pricing
- Billing model
- Per minute
- Rate
- $0.0035 per minute
Last verified May 23, 2026
Benchmarks
English short-form WER
Open ASR LeaderboardListed as: assemblyai/universal-3-pro
- Rank
- #11
- Avg WER
- 6.21%
Verified 2026-05-23
Technical
- Streaming
- Batch / REST only
- Hosting
- saas-vendor-cloud
- Self-hostable
- No
API endpoints
https-batch
SDK languages
python, typescript
Regions (vendor buckets)
Macro areas as published by the vendor (often broad; not a country list).
Compliance (vendor-published)
GDPR DPASOC 2 Type II
Suggest an update
Facts-layer corrections only — source URLs required. Opens a GitHub issue; a maintainer runs the content agent after triage. Not for operational notes.
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