Thai LLM NLG - flores200_eng_Latn_tha_Thai_seacrowd_t2t (SacreBLEU): 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 SacreBLEU, the reproducible tokenisation-independent variant (SEACrowd harness).

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

Top models

#ModelScoreOverall rank
1Claude 3.5 Sonnet (20240620)46.65#299
2GPT-4o (2024-05-13)46.21#325
3GPT-4o Mini (2024-07-18)42.02#558
4Llama 3.1 70B Cpt Sea Lionv3 Instruct39.87#548
5gemma2-9B-cpt-sea-lionv3-instruct38.66#705
6Llama 3.1 Nemotron 70B Instruct38.58#554
7Llama 3.1 70B Instruct38.57#561
8Llama 3 8B Cpt Sea Lionv2 Instruct37.8#1188
9Llama 3.3 70B Instruct37.63#534
10DeepSeek R1 Distill Llama 70B36.4#594
11Llama 3 8B Cpt Sea Lionv2.1 Instruct36.3#1024
12Qwen 2.5 72B Instruct35.58#454
13Llama 3.1 8B CPT SEA LIONv3 Instruct35.39#810
14DeepSeek R1 Distill Qwen 32B35.37#655
15Gemma 2 9B (IT)35.01#788

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-sacrebleu · How It Works · Data refreshed daily, snapshot 2026-10-20.