AI ranking change · 2026-07-14
Cohere Rerank overtakes ZeroEntropy zerank-2 as ChatGPT's #1 pick
for reranking model api
ZeroEntropy zerank-2→Cohere Rerank
On 2026-07-14, ChatGPT changed its #1 recommendation for best reranking model api — dropping ZeroEntropy zerank-2 from the top spot in favor of Cohere Rerank. The previous #1 had held since 2026-07-10.
“Best overall balance of top-tier relevance, multilingual and semi-structured-data support, mature production API, and enterprise deployment options; near-tied with Voyage for ordinary text retrieval.”— ChatGPT
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