LongDS v1: leaderboard

Metric: Accuracy (%; macro-average over 68 tasks of per-task turn accuracy, 2,225 turns; DSGym ReAct agent in a persistent Jupyter kernel, up to 40 steps per turn, DeepSeek-V4-Pro judge). Source: arxiv.org. Saturation forecast: Around May 2027. 5 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)48.45
2GPT-5.443.5
3Claude Sonnet 4.641.56
4Kimi K2.639.72
5DeepSeek V4 Pro31.97

Interactive version: theaggregate.ai/benchmark?slug=longds-v1 · How It Works · Data refreshed daily, snapshot 2026-09-25.