AgentRewardBench (Screenshot): leaderboard

AgentRewardBench (McGill NLP, 2025) tests whether an LLM judge can tell if a web agent succeeded, using 1,302 expert-annotated trajectories from AssistantBench, VisualWebArena, WebArena, WorkArena and WorkArena++. This board scores the authors' simplified judge given the final screenshot of each trajectory, as precision (%): the share of trajectories the judge calls successful that the experts also marked successful; higher is better.

Metric: Precision (%). Source: huggingface.co. Saturation forecast: Estimated already saturated. 4 models tracked.

Top models

#ModelScoreOverall rank
1Claude 3.7 Sonnet69.4#455
2GPT-4o (2024-11-20)68.1#864
3GPT-4o Mini (2024-07-18)64.5#1512
4Qwen 2.5 VL 72B Instruct64.5#845

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=agentrewardbench-screenshot · How It Works · Data refreshed daily, snapshot 2026-11-12.