Module openai_reranker 

OpenAI Reranker Provider

This module provides a Reranker implementation that uses OpenAI’s GPT models to score and rerank search results for improved relevance.

Environment Variables

• OPENAI_API_KEY: Required API key for OpenAI
• OPENAI_RERANK_MODEL: Optional model override (default: gpt-4o-mini)

Features

• Uses structured prompting to score relevance
• Efficient batch processing with configurable concurrency
• Automatic retry with exponential backoff
• Thread-safe for concurrent use

Structs

OpenAIReranker

OpenAI Reranker Provider

Functions

try_openai_reranker

Helper to create an OpenAI reranker or return None