SEABED - Dialectal Speech Comprehension (Open-Ended): leaderboard

SEABED (Rajgarhia et al., 2026) is an audio-first reasoning benchmark on Southeast Asian speech built from openly available corpora. In this task the model answers content questions over Thai regional-dialect speech in Pattani Malay, Korat and Khummuang; answers are open-ended and a Grok 4.5 judge marks each answer correct or incorrect, and the score is accuracy in percent, higher is better.

Metric: Accuracy (%; 504 comprehension questions over Thai regional-dialect speech items; open-ended answers judged by Grok 4.5, binary correct or incorrect (graded 0 to 1 for long-form); audio at 16 kHz). Source: arxiv.org. Saturation forecast: Around August 2027. 6 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3.5 Flash48.7#98
2Gemini 2.5 Pro44.3#262
3Gemini 3.6 Flash42.5#72

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=seabed-dialectal-speech-comprehension-open-ended · How It Works · Data refreshed daily, snapshot 2026-11-12.