2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Qwen3 ASR Flash leads on raw accuracy; GPT-4o Transcribe Diarize is fastest; Qwen3 ASR Flash covers the most languages; Qwen3 ASR Flash is cheapest.
Verdict · who wins what
Most accurate
Qwen3 ASR Flash
12.3% WER
Alibaba (Qwen)
Fastest
GPT-4o Transcribe Diarize
0.2× realtime
OpenAI
Most languages
Qwen3 ASR Flash
25 languages
Alibaba (Qwen)
Cheapest
Qwen3 ASR Flash
$0.0021/min
Alibaba (Qwen)
Comparing
2 models · same benchmark
1
Qwen3 ASR Flash
Alibaba (Qwen)
Alibaba Qwen3-ASR Flash — multilingual batch transcription (25+ languages) with word-level timestamps and automatic language detection, served from Model Studio (Singapore). Handles files up to 12 hours.
2
GPT-4o Transcribe Diarize
OpenAI
GPT-4o transcription with built-in speaker diarization
GPT-4o Transcribe Diarize
Qwen3 ASR Flash
field · 33 models
lower-left is better
general
legal
medical
noisy
technical
uk
us
Latency p99
7.0s
18.1s
$12.60
$36.00
1,000 hours
$126.00
$360.00
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
No
No
Max file size
2 GB
25 MB
Max duration
12 h
No limit
Compliance
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Is Qwen3 ASR Flash or GPT-4o Transcribe Diarize more accurate?
Qwen3 ASR Flash is more accurate, with a 12.3% word error rate versus 14.6% for GPT-4o Transcribe Diarize, on our standardized benchmark.
Which is cheaper, Qwen3 ASR Flash or GPT-4o Transcribe Diarize?
Qwen3 ASR Flash is cheaper at $0.0021/min versus $0.0060/min for GPT-4o Transcribe Diarize.
Should you choose Qwen3 ASR Flash or GPT-4o Transcribe Diarize?
Choose Qwen3 ASR Flash for accuracy, lower cost, and language coverage; choose GPT-4o Transcribe Diarize for speed.
