IFMTBench: leaderboard

Modern translation workflows demand more than semantic equivalence. Users routinely require models to preserve JSON or HTML schemas, honor curated glossaries, disambiguate with provided context, and match prescribed registers, often several at once. Conventional metrics such as BLEU and xCOMET capture semantic fidelity but provide little signal on constraint adherence, while general instruction fo

Metric: IF$_\text{T}$ (self-reported). Source: benchmarklist.com. Saturation forecast: Around June 2027. 15 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3.1 Pro (Preview)89.08#58
2Hy-MT2-30B-A3B85.7#359
3Qwen 3.5 27B81.06#187
4Gemma 4 31B79.61#200
5Gemma 4 E4B72.56#767
6Qwen 3.5 9B71.22#379
7Qwen 3.5 4B66.65#475
8Gemma 4 E2B58.69#1070
9Qwen 3.5 2B43.11#1148
10Qwen 3.5 0.8B27.99#1424

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

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