Fine-tuning for Rerank: Elevating Relevance Across Complex Domains

This post introduces fine-tuning capabilities for Cohere's Rerank models. It details how fine-tuning can be applied to adapt rerankers to specific domains, improving relevance for complex use cases and specialized datasets. The technical delta includes the introduction of a fine-tuning API and the methodology for preparing data and executing fine-tuning jobs to achieve better performance on custom retrieval tasks.