Published onJune 1, 2026Korean ASR Benchmark: GPT-4o Transcribe vs Deepgram Nova-3AIASRKoreanSpeechToTextMultilingualI benchmarked OpenAI gpt-4o-transcribe and Deepgram Nova-3 on real Korean/English kitchen audio — clean and noisy. Here are the CER, WER, latency, and cost numbers so you can pick the right model without guessing.