Agent2 RL-Bench - GSM8K: leaderboard

Metric: GSM8K test accuracy (%) 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: Estimated already saturated. 6 models tracked.

Top models

#ModelScore
1GPT-5.289.46
2Claude Opus 4.688.78
3Claude Sonnet 4.588.7
4GPT-5.484
5GPT-4o83.32
6Gemini 2.5 Flash70.13

Interactive version: theaggregate.ai/benchmark?slug=agent2-rl-bench-gsm8k · How It Works · Data refreshed daily, snapshot 2026-10-07.