KOpenAudioBench: leaderboard

Korean spoken question answering from KOpenAudioBench (Kim et al., 2026): 2,835 items transferred from OpenAudioBench, short-answer questions from LLaMA Questions, TriviaQA and WebQuestions plus open-ended AlpacaEval prompts, as TTS speech. Mean of the four sub-benchmark scores on a 0-100 scale (accuracy and GPT-5.4 judge score); higher is better.

Metric: Mean of the four sub-benchmark scores (short-answer accuracy on KLlamaQ, KTriviaQA and KWebQ, GPT-5.4 judge score on KAlpacaEval; 2,835 Korean spoken samples transferred from OpenAudioBench; single run at temperature 0.7). Source: arxiv.org. Saturation forecast: Rough model projection: around 2026. 8 models tracked.

Top models

#ModelScoreOverall rank
1Raon-Speech52.1
2HyperCLOVA X 8B Omni45.1
3Fun-Audio-Chat43.1
4Qwen2.5-Omni39.2#1499
5MiniCPM-o 4.535.7
6Step-Audio-2-mini31
7Audio Flamingo 312.6
8InteractiveOmni11.5

Interactive version: theaggregate.ai/benchmark?slug=kopenaudiobench · How It Works · Data refreshed daily, snapshot 2026-11-12.