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Support for VertexAI custom models (Endpoints) #654

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rafal-dudek opened this issue Apr 29, 2024 · 0 comments

rafal-dudek commented Apr 29, 2024

Expected Behavior

I would like to be able to use my Custom Model (e.g. fine-tuned foundation model) deployed on GCP Endpoint with Spring AI library.

API for Endpoints:
https://cloud.google.com/vertex-ai/docs/reference/rest/v1/projects.locations.endpoints
Example for predict:
https://us-central1-aiplatform.googleapis.com/v1/projects/49...78/locations/us-central1/endpoints/433...736:predict
{"instances":[{"content":"Hello"}],"parameters":{"temperature":0.2,"maxOutputTokens":1024,"topP":0.8,"topK":40,"candidateCount":1}}

Current Behavior

Currently in VertexAI PaLM2 Chat and VertexAI Gemini Chat you can only use Foundation models: https://cloud.google.com/vertex-ai/generative-ai/docs/model-reference/text-chat

Context

There is a similar issue for langchain4j:
langchain4j/langchain4j#440

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