Alibaba's core-reranker-2b Model Targets Compositional Image-Text Relevance Scoring

Alibaba NLP released core-reranker-2b, a 2B-parameter multimodal relevance-scoring model built on Qwen3-VL-Reranker to better distinguish attribute-object bindings in text and image pairs.

The Core-Reranker family also includes an 8B variant, and Core-Reranker-8B reports an 82.7% total average on compositional reasoning benchmarks COLA, SugarCrepe++, and NegBench, 10.7 points above Jina-Reranker.

Usage details are provided in the source, including loading through the GitHub repository wrapper classes.