GaelEval - English to Gaelic Translation (BLEU): leaderboard
Metric: BLEU-4 of English-to-Gaelic translation of An Litir Bheag transcripts against hand-translated gold references; higher is better. Source: arxiv.org. Saturation forecast: Around January 2027. 19 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Gemini 3 Flash (Preview) | 71.47 |
| 2 | Gemini 3 Pro (Preview) | 65.56 |
| 3 | Gemini 2.5 Flash | 65.53 |
| 4 | GPT-4.1 | 65.41 |
| 5 | DeepSeek R1 | 62.12 |
| 6 | GPT-5.2 | 61.19 |
| 7 | GPT-5 | 56.94 |
| 8 | Claude Opus 4.6 | 53.16 |
| 9 | GPT-4o | 52.39 |
| 10 | GPT-5 Mini | 49.19 |
| 11 | Llama 4 Maverick | 42.93 |
| 12 | GPT-5 Nano | 42.56 |
| 13 | GPT-4.1 Mini | 38.9 |
| 14 | Claude Haiku 4.5 | 38.44 |
| 15 | GPT-OSS-120B | 37.79 |
Interactive version: theaggregate.ai/benchmark?slug=gaeleval-english-to-gaelic-translation-bleu · How It Works · Data refreshed daily, snapshot 2026-10-07.