Thai LLM NLG - flores200_eng_Latn_tha_Thai_seacrowd_t2t (BLEU): leaderboard

The Thai LLM Leaderboard, run as an open results dataset by the Thai LLM community. Generation quality on FLORES-200 translation from English into Thai, scored by BLEU (SEACrowd harness).

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

Top models

#ModelScoreOverall rank
1GPT-4o (2024-05-13)34.18#325
2Claude 3.5 Sonnet (20240620)33.98#299
3GPT-4o Mini (2024-07-18)30.44#558
4Llama 3.1 70B Cpt Sea Lionv3 Instruct28.92#548
5Llama 3.1 70B Instruct28.08#561
6Llama 3.1 Nemotron 70B Instruct27.42#554
7Llama 3.3 70B Instruct27.26#534
8Llama 3 8B Cpt Sea Lionv2 Instruct27.25#1188
9gemma2-9B-cpt-sea-lionv3-instruct26.73#705
10DeepSeek R1 Distill Llama 70B25.53#594
11Llama 3 8B Cpt Sea Lionv2.1 Instruct25.3#1024
12Llama 3.1 8B CPT SEA LIONv3 Instruct24.95#810
13Gemma 2 9B (IT)24.72#788
14Qwen 2.5 72B Instruct24.6#454
15SeaLLMs-v3-7B-Chat23.37#915

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-flores200-eng-latn-tha-thai-seacrowd-t2t-bleu · How It Works · Data refreshed daily, snapshot 2026-10-20.