fix(provider/google): fix Gemini service tier enum after upstream update#14090
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felixarntz merged 2 commits intomainfrom Apr 3, 2026
Merged
fix(provider/google): fix Gemini service tier enum after upstream update#14090felixarntz merged 2 commits intomainfrom
felixarntz merged 2 commits intomainfrom
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…ate (#14090) ## Background Google updated their Gemini API to use lowercase service tier values (`standard`, `flex`, `priority`) instead of the previous uppercase prefixed format (`SERVICE_TIER_STANDARD`, `SERVICE_TIER_FLEX`, `SERVICE_TIER_PRIORITY`). The old values no longer work. See [googleapis/js-genai@9bdc2ae](googleapis/js-genai@9bdc2ae). Also outlined in their docs: - https://ai.google.dev/gemini-api/docs/priority-inference - https://ai.google.dev/gemini-api/docs/flex-inference ## Summary - Updated the `serviceTier` provider option enum in google to accept `'standard' | 'flex' | 'priority'` - Updated tests, examples, and documentation to reflect the new values ## Manual Verification Ran the `generate-text` and `stream-text` service tier examples against the live Gemini API. ## Checklist - [x] Tests have been added / updated (for bug fixes / features) - [x] Documentation has been added / updated (for bug fixes / features) - [x] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review) ## Future Work N/A ## Related Issues N/A
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✅ Backport PR created: #14091 |
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…stream update (#14091) This is an automated backport of #14090 to the release-v6.0 branch. FYI @felixarntz Co-authored-by: Felix Arntz <felix.arntz@vercel.com>
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…PI (#14393) ## Background Follow up to #13915 and #14090: Turns out the Vertex API did _not_ apply the same change the Gemini API did, which originally prompted the #14090 follow-up. The Vertex API does not support the values `standard`, `flex`, and `priority` - instead it expects `SERVICE_TIER_{UPPERCASE_VALUE}`. ## Summary Sanitizes the input value accordingly if the Google provider implementation is used with Vertex. ## Manual Verification Run the new examples to verify. ## Checklist <!-- Do not edit this list. Leave items unchecked that don't apply. If you need to track subtasks, create a new "## Tasks" section Please check if the PR fulfills the following requirements: --> - [x] Tests have been added / updated (for bug fixes / features) - [ ] Documentation has been added / updated (for bug fixes / features) - [x] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review)
vercel-ai-sdk bot
pushed a commit
that referenced
this pull request
Apr 13, 2026
…PI (#14393) ## Background Follow up to #13915 and #14090: Turns out the Vertex API did _not_ apply the same change the Gemini API did, which originally prompted the #14090 follow-up. The Vertex API does not support the values `standard`, `flex`, and `priority` - instead it expects `SERVICE_TIER_{UPPERCASE_VALUE}`. ## Summary Sanitizes the input value accordingly if the Google provider implementation is used with Vertex. ## Manual Verification Run the new examples to verify. ## Checklist <!-- Do not edit this list. Leave items unchecked that don't apply. If you need to track subtasks, create a new "## Tasks" section Please check if the PR fulfills the following requirements: --> - [x] Tests have been added / updated (for bug fixes / features) - [ ] Documentation has been added / updated (for bug fixes / features) - [x] A _patch_ changeset for relevant packages has been added (for bug fixes / features - run `pnpm changeset` in the project root) - [x] I have reviewed this pull request (self-review)
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Background
Google updated their Gemini API to use lowercase service tier values (
standard,flex,priority) instead of the previous uppercase prefixed format (SERVICE_TIER_STANDARD,SERVICE_TIER_FLEX,SERVICE_TIER_PRIORITY). The old values no longer work. See googleapis/js-genai@9bdc2ae.Also outlined in their docs:
Summary
serviceTierprovider option enum in google to accept'standard' | 'flex' | 'priority'Manual Verification
Ran the
generate-textandstream-textservice tier examples against the live Gemini API.Checklist
pnpm changesetin the project root)Future Work
N/A
Related Issues
N/A