L2-Bench: leaderboard

Metric: Rubric score (%; weighted share of task criteria passed, negative criteria as penalties and task scores clipped at 0, mean over 1,000 second-language education tasks and three runs each; per-criterion pass/fail verdicts from a reference-guided Claude Sonnet 4.6 judge; provider-default inference settings). Source: arxiv.org. Saturation forecast: Around December 2026. 9 models tracked.

Top models

#ModelScore
1Claude Opus 4.785.5
2GPT-5.484.1
3Gemini 3.1 Pro (Preview)83.4
4Gemini 3 Flash80.7
5DeepSeek V3.280.2
6Kimi K2.579.1
7Claude Haiku 4.578.8
8Qwen 3 32B65.8
9Magistral Small50.7

Interactive version: theaggregate.ai/benchmark?slug=l2-bench · How It Works · Data refreshed daily, snapshot 2026-09-29.