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ZeroEntropy Rerank
What ChatGPT, Claude, Gemini & Grok actually say · July 2026
The verdict
ZeroEntropy Rerank appears in 1 AI-ranked category — best position #4 for reranking model api.
GPT —Claude #3Gemini —Grok #4
The standout newcomer — punches above its size, beating much larger rerankers on accuracy while being significantly cheaper per token, with a permissive small variant (zerank-1-small) that makes latency-sensitive production reranking affordable
What would move ZeroEntropy Rerank up
- Claude Build enterprise trust — SLAs, compliance certifications, and a longer production track record are what keep risk-averse buyers on Cohere despite the better price-performance
- Grok Win more decisively on broad public benchmarks beyond custom evals to move from niche leader to overall top 2.
Top alternatives per the models: Voyage Rerank · Cohere Rerank · Jina Reranker · ZeroEntropy zerank-2
Rankings are computed from what the models answer, re-polled continuously · raw reasoning shown verbatim · methodology