EComAgentBench - Query Rubrics: leaderboard

EComAgentBench (2026) benchmarks shopping agents on 662 long-horizon tasks over real Amazon products and reviews, with requirements split across the query, a tool-gated user profile and scripted clarification, and typed rubrics checked by an LLM judge. This board is rubric satisfaction (%) on requirements visible in the shopping query; higher is better.

Metric: Rubric satisfaction (%) on the requirements visible in the shopping query, on 662 long-horizon shopping tasks over a catalog of real Amazon products and reviews, where requirements are split across the visible query, a tool-gated user profile and scripted clarification; up to 100 tool calls; graded with typed rubrics by a gemini-3.1-pro-preview judge; higher is better. Source: arxiv.org. Saturation forecast: Estimated already saturated. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.4 (Medium)88.1#123 (GPT-5.4)
2GPT-585.7#167
3MiniMax-M2.783.5#518
4GPT-5 Mini82.1#348
5Claude Opus 4.680.6#102
6Kimi K2.679.9#178
7Qwen 3 30B A3B68.8#1122

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

Interactive version: theaggregate.ai/benchmark?slug=ecomagentbench-query-rubrics · How It Works · Data refreshed daily, snapshot 2026-11-13.