EComAgentBench - Rubric Satisfaction: 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 the share (%) of task rubrics that the recommended product satisfies; higher is better.

Metric: Rubric satisfaction (%): share of the task rubrics (about 10 per task) that the recommended product satisfies, 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: Around February 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.4 (Medium)81#123 (GPT-5.4)
2Claude Opus 4.676.6#102
3GPT-576.1#167
4MiniMax-M2.773.5#518
5Kimi K2.673.4#178
6GPT-5 Mini72.7#348
7Qwen 3 30B A3B59#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-rubric-satisfaction · How It Works · Data refreshed daily, snapshot 2026-11-13.