Harbor Adapters - SciCode (Terminus-2): leaderboard

Metric: Sub-step accuracy (%; 80 problems, mean of 3 trials). Source: arxiv.org. Saturation forecast: Around July 2027. 8 models tracked.

Top models

#ModelScore
1Gemini 3.1 Pro (Preview)55
2Gemini 3 Flash (Preview)51.1
3Claude Opus 4.648.5
4GPT-5.4 (Medium)46.9
5Claude Sonnet 4.643.9
6GPT-5 Mini43
7Claude Haiku 4.534.5
8GPT-5 Nano21.7

Interactive version: theaggregate.ai/benchmark?slug=harbor-adapters-scicode-terminus-2 · How It Works · Data refreshed daily, snapshot 2026-09-25.