Sailor2-20B-Chat: benchmark results

Sea AI Lab's Sailor2-20B-Chat, a Southeast-Asia-focused multilingual chat model continually pretrained from Qwen 2.5 14B to 20B on 500B tokens covering 15 SEA languages. Provider: Sea AI Lab. Released 2025-02-18. Access: Open.

Aggregate Rating 1558 ± 20, rank #593 of 1661 rated models, from 49 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
Thai LLM - Coding7.82Rating (0-10)93.7
Thai LLM NLU - xcopa_tha_seacrowd_qa92.8Accuracy (%)92.8
FilBench - Classical NLP89.03Category Score (%)87.5
SEA LLM Leaderboard - SeaExam - Indonesian (Private)77.2Private Accuracy (%)85.6
SEA LLM Leaderboard - SeaExam - Vietnamese (Public)74.8Public Accuracy (%)85.6
Thai LLM - Social Science8.4Rating (0-10)85.2
SEA LLM Leaderboard - SeaExam (Public)71.6Public Average Score (%)84.4
Thai LLM - Roleplay7.6Rating (0-10)83.8
Thai LLM - Math6.7Rating (0-10)83.1
Thai LLM - STEM7Rating (0-10)83.1
Thai LLM MC - m3exam_tha_seacrowd_qa60.89Accuracy (%)82.6
Thai LLM NLU - belebele_tha_thai_seacrowd_qa85.78Accuracy (%)82.6

Interactive version: theaggregate.ai/model?slug=sailor2-20b-chat · How It Works · Data refreshed daily, snapshot 2026-10-23.