2 models compared on the same benchmark — accuracy, latency, price, language coverage and capabilities. Gemini 3.5 Transcribe leads on raw accuracy; Gemini 3.5 Transcribe is fastest; GPT-4o Mini Transcribe covers the most languages; GPT-4o Mini Transcribe is cheapest.
Verdict · who wins what
Most accurate
Gemini 3.5 Transcribe
10.4% WER
Google Gemini
Fastest
Gemini 3.5 Transcribe
1.0× realtime
Google Gemini
Most languages
GPT-4o Mini Transcribe
98 languages
OpenAI
Cheapest
GPT-4o Mini Transcribe
$0.0030/min
OpenAI
Comparing
2 models · same benchmark
1
Gemini 3.5 Transcribe
Google Gemini
Google Gemini batch transcription with word timestamps, optional speaker labels and custom vocabulary.
2
GPT-4o Mini Transcribe
OpenAI
GPT-4o Mini optimized for fast transcription
general
legal
medical
noisy
technical
uk
us
Latency p99
5.1s
2.4s
$18.00
1,000 hours
$302.40
$180.00
No
Auto-detect language
Yes
Yes
Live / streaming
No
No
Custom vocabulary
Yes
No
Max file size
No limit
25 MB
Max duration
30 min
No limit
Compliance
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Is Gemini 3.5 Transcribe or GPT-4o Mini Transcribe more accurate?
Gemini 3.5 Transcribe is more accurate, with a 10.4% word error rate versus 13.6% for GPT-4o Mini Transcribe, on our standardized benchmark.
Which is cheaper, Gemini 3.5 Transcribe or GPT-4o Mini Transcribe?
GPT-4o Mini Transcribe is cheaper at $0.0030/min versus $0.0050/min for Gemini 3.5 Transcribe.
Should you choose Gemini 3.5 Transcribe or GPT-4o Mini Transcribe?
Choose Gemini 3.5 Transcribe for accuracy and speed; choose GPT-4o Mini Transcribe for lower cost and language coverage.
