# Legacy Local Model Integrations

> Browse historical FastGPT integrations for local models, reranking, and PDF parsing to maintain older deployments and plan migrations.

Source: https://doc.fastgpt.io/en/self-host/custom-models/legacy

This archive preserves release-specific and community-contributed integration examples for maintaining historical deployments and planning migrations. For current model registration, channels, and permissions, see [Model configuration](/en/self-host/config/model/intro).

* [Integrating the bge-rerank Rerank Model (Legacy Guide)](/en/self-host/custom-models/legacy/bge-rerank)
* [Integrating Marker PDF Parsing (Legacy Guide)](/en/self-host/custom-models/legacy/marker)
* [Integrating ChatGLM2-6B (Legacy Guide)](/en/self-host/custom-models/legacy/chatglm2)
* [Integrating M3E Embedding Model (Legacy Guide)](/en/self-host/custom-models/legacy/m3e)
* [Integrating ChatGLM2 and M3E Models (Legacy Guide)](/en/self-host/custom-models/legacy/chatglm2-m3e)