zerank-2: Open-Source 4B Reranker with Confidence Scoring for Classification

Key Info

zerank-2 is a 4B open-source reranker that also returns a confidence score, enabling its use as a classifier by setting a threshold value. It can be self-hosted with Baseten or Fireworks AI.

Highlights

• 4B parameter open-source reranker.
• Returns a confidence score for each result.
• Can be used as a classifier by setting a threshold.
• Self-hosting options available via Baseten and Fireworks AI.