Vertex AI
multilingual-e5-large-instruct-maas model retirement
Stopped workingSubscribe to Vertex AIShare
On October 21, 2026, model multilingual-e5-large-instruct-maas was retired on Vertex AI. Calls to this model fail since that date. The deprecation was previously announced on July 21, 2026.
The error you get
What Vertex AI answers a call to multilingual-e5-large-instruct-maas once the model is gone, as recorded from real responses:
{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/multilingual-e5-large-instruct-maas` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region.","status":"NOT_FOUND"}}What to use instead of multilingual-e5-large-instruct-maas
Google recommends using Self-deploy E5 Text Embedding on Model Garden as the alternative.
In Vertex AI's words
Model ID: multilingual-e5-large-instruct-maas; Deprecation date: July 21, 2026; Retirement date: October 21, 2026; Self-deploy alternative: Self-deploy E5 Text Embedding on Model Garden
Facts
- API
- Vertex AI
aiplatform.googleapis.com - Model
multilingual-e5-large-instruct-maas- Kind
- Model retirement
- Announced
- July 21, 2026
- Takes effect
- October 21, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Vertex AI's own pages
Questions
When does multilingual-e5-large-instruct-maas shut down?
Calls to the model multilingual-e5-large-instruct-maas on Vertex AI stopped working on October 21, 2026.
What happens to calls after October 21, 2026?
They have failed since October 21, 2026.
What error does multilingual-e5-large-instruct-maas return once it is shut down?
Vertex AI answers HTTP 404: "Publisher model `projects/{project}/locations/{region}/publishers/google/models/multilingual-e5-large-instruct-maas` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region.". Send another model to fix it.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.