B2V-Bench (With Value Definitions): leaderboard

B2V-Bench (Peking University and Alibaba, 2026) consumer-value identification from Taobao purchase behaviour, with a prompt that adds a definition of each value. Macro-F1 in percent over 28 value labels plus none on 544 expert-labelled episodes; higher is better.

Metric: Macro-F1 (%; multi-label classification of the consumer values, 28 labels of the E-commerce Consumption Value Taxonomy plus none, expressed in each of 544 Taobao purchase-decision episodes labelled from scratch by psychology experts; the model reads the GPT-5.4-written summary of the pre-purchase behaviour log; prompt adds a definition of each value). Source: arxiv.org. Saturation forecast: Around June 2028. 8 models tracked.

Top models

#ModelScoreOverall rank
1GPT-540#163
2GLM-533.5#256
3Kimi K2.632.5#173
4DeepSeek V3.228.9#403
5Claude Haiku 4.528.6#568
6Qwen 3 235B A22B27.1#622
7GPT-4o Mini25.3#1627

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

Interactive version: theaggregate.ai/benchmark?slug=b2v-bench-with-value-definitions · How It Works · Data refreshed daily, snapshot 2026-11-12.