EComAgentBench - Rating Quality: 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 accuracy (%) on the rating quality intent, counting a task correct when the agent recommends the target product or one that meets every rubric; higher is better.

Metric: Accuracy (%) on the rating quality (80 tasks) intent of 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: a task is correct when the agent recommends the exact target product or one that satisfies every rubric; higher is better. Source: arxiv.org. Saturation forecast: Around February 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 4.667.5#102
2GPT-5.4 (Medium)60#123 (GPT-5.4)
3GPT-556.2#167
4Kimi K2.656.2#178
5MiniMax-M2.742.5#518
6GPT-5 Mini40#348
7Qwen 3 30B A3B20#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-rating-quality · How It Works · Data refreshed daily, snapshot 2026-11-13.