Thai LLM NLG - xl_sum_tha_seacrowd_t2t (ROUGEL): leaderboard

The Thai LLM Leaderboard, run as an open results dataset by the Thai LLM community. Generation quality on XL-Sum Thai summarisation, scored by ROUGE-L (SEACrowd harness).

Metric: ROUGEL. Source: huggingface.co. Saturation forecast: Estimated already saturated. 68 models tracked.

Top models

#ModelScoreOverall rank
1Llama 3.3 70B Instruct25.86#534
2Llama 3.1 Nemotron 70B Instruct25.49#554
3Llama 3.1 70B Instruct24.9#561
4Llama 3.1 70B Cpt Sea Lionv3 Instruct23.57#548
5Llama 3 8B Cpt Sea Lionv2.1 Instruct21.93#1024
6Llama 3.2 3B Instruct21.73#1352
7Llama 3.1 8B Instruct21.61#1035
8Llama 3.2 1B Instruct21.33#1539
9SeaLLMs-v3-7B-Chat20.27#915
10llama-3-typhoon-v1.5-8B-instruct19.73#1198
11Qwen 2.5 32B Instruct19.35#498
12GPT-4o Mini (2024-07-18)18.09#558
13Llama 3.1 8B CPT SEA LIONv3 Instruct17.95#810
14GPT-4o (2024-05-13)17.46#325
15Claude 3.5 Sonnet (20240620)17.43#299

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=thai-llm-nlg-xl-sum-tha-seacrowd-t2t-rougel · How It Works · Data refreshed daily, snapshot 2026-10-20.