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Unable to use vertex gemini 3 pro #5712
Description
Description
Opencode crashes when trying to use the vertex APIs.
OpenCode version
1.0.164
Steps to reproduce
/connect Vertexand enter API obtained from https://docs.cloud.google.com/vertex-ai/generative-ai/docs/start/api-keys?usertype=standard.- Type any prompt.
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Operating System
MacOS 26.2
Terminal
No response
Activity
github-actions commentedon Dec 17, 2025
This issue might be a duplicate of existing issues. Please check:
Feel free to ignore if none of these address your specific case.
GrahamCampbell commentedon Dec 17, 2025
/connect doesn't work for vertex. probably not a bug as such, but not so good UX that it's offered, when I need to set 3 env variables instead.
sandys commentedon Dec 28, 2025
@GrahamCampbell can you explain how did you use opencode with vertex ? im setting
GOOGLE_APPLICATION_CREDENTIALS=/home/1.json
GOOGLE_CLOUD_PROJECT=abc
VERTEX_LOCATION=global
but when i open opencode, it is just not picking it up
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