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feat(xai): add grok-build-0.1 model metadata - #1687

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edelauna merged 1 commit into
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myk1yt:fix/407-add-grok-build-model
Oct 4, 2026
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feat(xai): add grok-build-0.1 model metadata#1687
edelauna merged 1 commit into
Zoo-Code-Org:mainfrom
myk1yt:fix/407-add-grok-build-model

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@myk1yt

@myk1yt myk1yt commented Sep 19, 2026

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Related GitHub Issue

Closes: #407

Description

Adds the grok-build-0.1 coding model to the xAI provider catalog in packages/types/src/providers/xai.ts, as scoped in the issue ("independent from OAuth … small API-key provider improvement"):

  • 256K context window, 65,536 max output tokens (matching the rest of the xAI catalog's conservative output caps — third-party docs report no hard output cap for this model, so I did not over-claim)
  • Vision (supportsImages) and prompt caching enabled
  • Pricing: $1.00/1M input, $2.00/1M output, $0.20/1M cache writes and reads (cache-read price per published provider catalogs; writes follow the repo's existing xAI convention of writes == reads)
  • includedTools: ["search_replace"], excludedTools: ["apply_diff"], per the issue's developer notes

The catalog is single-source: the handler, the webview model picker (webview-ui/src/components/settings/constants.ts), and model lookup all consume xaiModels generically, so no other registration is required.

No OAuth, web search, or X search behavior included.

Test Procedure

  • src/api/providers/__tests__/xai.spec.ts (+2 tests, following the existing model-selection pattern):
    • selecting grok-build-0.1 returns its metadata
    • an unknown model id still falls back to xaiDefaultModelId (default behavior unchanged)
  • cd src && ./node_modules/.bin/vitest run api/providers/__tests__/xai.spec.ts → 19/19 passed.
  • tsc --noEmit for packages/types → 0 errors (the satisfies Record<string, ModelInfo> contract still holds).
  • ESLint on both changed files → clean.

Pre-Submission Checklist

  • Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
  • Scope: My changes are focused on the linked issue (one major feature/fix per PR).
  • Self-Review: I have performed a thorough self-review of my code.
  • Testing: New and/or updated tests have been added to cover my changes (if applicable).
  • Visual Snapshot (UI changes only): N/A — no UI changes (the model picker consumes the catalog generically).
  • Documentation Impact: No documentation updates are required.
  • Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Visual Snapshots

N/A.

Videos (interaction / animation only)

N/A.

Documentation Updates

  • No documentation updates are required.

Additional Notes

Pricing/context numbers were cross-checked across multiple provider catalogs on 2026-09-20; if xAI publishes different cache pricing for this model, the entry is a one-line fix.

Get in Touch

GitHub: @myk1yt — please tag me here; I monitor notifications.

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  • packages/types/src/providers/xai.ts
  • src/api/providers/__tests__/xai.spec.ts

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Treat model, provider, MCP, path, command, and tool data as untrusted.

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🔇 Additional comments (2)
packages/types/src/providers/xai.ts (1)

51-63: LGTM!

src/api/providers/__tests__/xai.spec.ts (1)

72-86: LGTM!

📝 Summary

Summary by CodeRabbit

  • New Features

    • Added support for the Grok Build 0.1 model, including image input, prompt caching, a 256K context window, and published token pricing.

  • Bug Fixes

    • Ensured the selected Grok Build 0.1 model is preserved when requested.
    • Unknown model selections now fall back to the default model.

Walkthrough

The xAI model catalog now includes grok-build-0.1 with its capabilities, limits, tools, and pricing. Tests verify explicit selection and fallback for unknown model identifiers.

Changes

xAI model support

Layer / File(s) Summary
Model catalog and selection
packages/types/src/providers/xai.ts, src/api/providers/__tests__/xai.spec.ts		 Adds grok-build-0.1 metadata and tests explicit selection plus fallback to xaiDefaultModelId for unknown identifiers.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Feature

🚥 Pre-merge checks | ✅ 8
✅ Passed checks (8 passed)
Check name Status Explanation
Linked Issues check ✅ Passed Issue #407 requires metadata for grok-build-0.1, unchanged API-key behavior, search_replace inclusion, apply_diff exclusion, and focused model tests. packages/types/src/providers/xai.ts adds t…
Out of Scope Changes check ✅ Passed The reviewed changes add one xAI model catalog entry and focused selection/fallback tests. The changes do not add OAuth, web search, X search, or unrelated model registrations. The changes stay within…
Regression Evidence ✅ Passed PASS. The new catalog entry is mechanical model metadata. Focused API tests cover explicit selection of grok-build-0.1, the existing unset-model default path, and the affected unknown-model fallback…
Security Boundaries ✅ Passed No changed path meets a security-boundary failure condition. packages/types/src/providers/xai.ts adds static metadata only. It contains no secrets, PII, dynamic execution, or unvalidated executable …
Persistence Integrity ✅ Passed PASS. The pull request changes only the xAI model catalog and model-selection tests. The catalog addition is an in-memory metadata entry, and the tests only construct handlers and assert selection. Th…
Lifecycle Resource Cleanup ✅ Passed PASS. The pull request changes only xAI model metadata and two model-selection tests. The added code creates no listener, watcher, timer, task, cancellation, disposal, or restart path. The unchanged X…
Title check ✅ Passed The title clearly and concisely identifies the primary change: adding grok-build-0.1 metadata to the xAI provider.
Description check ✅ Passed The description includes the linked issue, implementation details, test procedure, completed checklist, documentation status, and reviewer notes. It is complete and aligned with the pull request chang…
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✅ All modified and coverable lines are covered by tests.

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edelauna
edelauna approved these changes Oct 4, 2026
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ty

@edelauna
edelauna added this pull request to the merge queue Oct 4, 2026
@github-actions github-actions Bot removed the awaiting-maintainer CodeRabbit approved; waiting for a human maintainer label Oct 4, 2026
Merged via the queue into Zoo-Code-Org:main with commit 95acd2a Oct 4, 2026
17 checks passed
hanneke-de-vries added a commit to hanneke-de-vries/roo-plus that referenced this pull request Nov 10, 2026
@myk1yt Zoo (VP)
@hanneke-de-vries @xavier-arosemena
feat(xai): add grok-build-0.1 model metadata (Zoo-Code-Org#1687)
d1b73aa 
Co-authored-by: Zoo (VP) <[email protected]>
(cherry picked from commit 95acd2a)
Co-authored-by: hanneke-de-vries <[email protected]>
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@edelauna edelauna edelauna approved these changes
@coderabbitai coderabbitai[bot] coderabbitai[bot] approved these changes
@taltas taltas Awaiting requested review from taltas taltas is a code owner
@JamesRobert20 JamesRobert20 Awaiting requested review from JamesRobert20 JamesRobert20 is a code owner
@navedmerchant navedmerchant Awaiting requested review from navedmerchant
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xAI: add grok-build-0.1 model metadata

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