Agent2 RL-Bench - AlpacaEval: leaderboard

Metric: AlpacaEval 2.0 win rate (%) judged by GPT-4o of the Qwen3-8B-Base model after the coding agent (driver LLM in a CLI scaffold) post-trains it for 12 hours in an isolated GPU workspace, best score the grading server returned over the run, single run; higher is better. Source: arxiv.org. Saturation forecast: Around April 2028. 6 models tracked.

Top models

#ModelScore
1Claude Opus 4.626.91
2GPT-5.422.82
3Claude Sonnet 4.519.8
4GPT-5.218.67
5GPT-4o17.19
6Gemini 2.5 Flash7.14

Interactive version: theaggregate.ai/benchmark?slug=agent2-rl-bench-alpacaeval · How It Works · Data refreshed daily, snapshot 2026-10-07.