2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Whisper Large V3 Turbo leads on raw accuracy; Universal-3.5 Pro is fastest; Whisper Large V3 Turbo covers the most languages; Whisper Large V3 Turbo is cheapest.
Verdict · who wins what
Most accurate
Whisper Large V3 Turbo
14.3% WER
Groq
Fastest
Universal-3.5 Pro
0.2× realtime
AssemblyAI
Most languages
Whisper Large V3 Turbo
12 languages
Groq
Cheapest
Whisper Large V3 Turbo
$0.0007/min
Groq
Comparing
2 models · same benchmark
1
Universal-3.5 Pro
AssemblyAI
AssemblyAI's most powerful speech language model — up to 1000 keyterm phrases
2
Whisper Large V3 Turbo
Groq
OpenAI Whisper large-v3-turbo served on Groq's LPU hardware — very fast, very low cost batch transcription with word-level timestamps and automatic language detection.
Universal-3.5 Pro
Whisper Large V3 Turbo
field · 33 models
lower-left is better
general
legal
medical
noisy
technical
uk
us
Latency p99
5.8s
3.4s
$3.96
1,000 hours
$208.80
$39.60
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
No
Max file size
5 GB
100 MB
Max duration
10 h
No limit
Compliance
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Is Universal-3.5 Pro or Whisper Large V3 Turbo more accurate?
Whisper Large V3 Turbo is more accurate, with a 14.3% word error rate versus 17.4% for Universal-3.5 Pro, on our standardized benchmark.
Which is cheaper, Universal-3.5 Pro or Whisper Large V3 Turbo?
Whisper Large V3 Turbo is cheaper at $0.0007/min versus $0.0035/min for Universal-3.5 Pro.
Should you choose Universal-3.5 Pro or Whisper Large V3 Turbo?
Choose Universal-3.5 Pro for speed; choose Whisper Large V3 Turbo for accuracy, lower cost, and language coverage.
