#22965 [Bug]: VertexAI - unable to use 3rd party model - Qwen 3.5 with dedicated endpoint
### Check for existing issues
- [x] I have searched the existing issues and checked that my issue is not a duplicate.
### What happened?
Hi.
I am following version of LiteLLM as Docker.
```Name: litellm Version: 1.81.14 Summary: Library to easily interface with LLM API providers Home-page: https://litellm.ai Author: BerriAI Author-email: License: MIT Location: /usr/lib/python3.13/site-packages Requires: aiohttp, click, fastuuid, httpx, importlib-metadata, jinja2, jsonschema, openai, pydantic, python-dotenv, tiktoken, tokenizers Required-by: semantic-router ``` I have some local ollama models which are working together with Open WebUI and one endpoint is VertexAI.
Docker Compose ``` services: db: image: postgres:16 container_name: llm-db restart: always environment: POSTGRES_DB: ${POSTGRES_DB} POSTGRES_USER: ${POSTGRES_USER} POSTGRES_PASSWORD: ${POSTGRES_PASSWORD} volumes: - /mnt/AppData/llm-stack/postgres:/var/lib/postgresql/data - /etc/localtime:/etc/localtime:ro ports: - "${DB_PORT}:5432" networks: - frontend logging: driver: loki options: loki-url: "http://127.0.0.1:3100/loki/a…