HELM WMT 2014: leaderboard

Machine translation quality on WMT 2014 benchmark across multiple language pairs, scored by BLEU-4. Part of Stanford HELM.

Metric: BLEU-4 (%). Source: crfm.stanford.edu. Saturation forecast: Estimated already saturated. 91 models tracked.

Top models

#ModelScoreOverall rank
1Claude 3 Opus (20240229)23.99#412
2Llama 3.1 405B Instruct23.81#457
3Gemini 1.5 Pro (002)23.13#349
4GPT-4o (2024-05-13)23.07#325
5Claude 3.5 Sonnet (20240620)22.9#299
6Nova Pro22.89#569
7Claude 3.5 Sonnet (20241022)22.56#291
8GPT-4o (2024-08-06)22.51#336
9Gemini 1.5 Flash (001)22.51#577
10Llama 3 70B22.46#631
11Llama 3.2 90B Vision Instruct22.41#622
12Llama 3.1 70B Instruct22.28#561
13Llama 3.3 70B Instruct21.92#534
14Claude 221.9#761
15Claude v1.321.85#1001

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

Interactive version: theaggregate.ai/benchmark?slug=helm-wmt-2014 · How It Works · Data refreshed daily, snapshot 2026-10-20.