feat: replace grok with grok-4-fast-non-reasoning#301
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Caution Review failedThe pull request is closed. WalkthroughUpdated the xAI model identifier in getModel() from grok-3-fast-beta to grok-4-fast-non-reasoning. Existing error handling and fallback logic to OpenAI and Bedrock remain unchanged. Changes
Estimated code review effort🎯 1 (Trivial) | ⏱️ ~2 minutes Poem
✨ Finishing touches
🧪 Generate unit tests
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![charliecreates[bot]](https://avatars.githubusercontent.com/in/1140780?s=60&v=4){kind=small}
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- The model ID is hard-coded, reducing configurability and making rollbacks more difficult.
- Switching to a non-reasoning model may alter behavior; consider a same-provider fallback before defaulting to OpenAI.
- No other correctness or performance issues are evident in the modified line.
- Suggested changes improve maintainability and reduce unexpected behavior changes.
Summary of changes
- Replaced the xAI model identifier returned in
getModel()fromgrok-3-fast-betatogrok-4-fast-non-reasoning. - No other logic or behavior in the function was modified.
| // Optionally, add a check for credit status or skip xAI if credits are exhausted | ||
| try { | ||
| return xai('grok-3-fast-beta') | ||
| return xai('grok-4-fast-non-reasoning') |
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Hard-coding the model ID makes future updates brittle and requires code changes to switch models. Consider making the model configurable (e.g., via an environment variable) and defaulting to grok-4-fast-non-reasoning. This improves maintainability and eases rollback if needed.
Suggestion
You could parameterize the model ID and provide a sensible default:
const modelId = process.env.XAI_MODEL ?? 'grok-4-fast-non-reasoning'
return xai(modelId)
Reply with "@CharlieHelps yes please" if you'd like me to add a commit with this change.
| // Optionally, add a check for credit status or skip xAI if credits are exhausted | ||
| try { | ||
| return xai('grok-3-fast-beta') | ||
| return xai('grok-4-fast-non-reasoning') |
There was a problem hiding this comment.
Switching to a non-reasoning variant may change output quality/behavior (e.g., reasoning depth, tool-use capabilities, or structured output behavior). If the intent is performance/cost, consider a graceful in-provider fallback to the previous model before falling back to OpenAI to avoid surprising cross-provider differences when the new model is unavailable.
Suggestion
Add a secondary fallback to the previous xAI model before dropping to OpenAI:
try {
return xai('grok-4-fast-non-reasoning')
} catch {
try {
return xai(process.env.XAI_FALLBACK_MODEL ?? 'grok-3-fast-beta')
} catch {
console.warn('xAI models unavailable, falling back to OpenAI:')
}
}
Reply with "@CharlieHelps yes please" if you'd like me to add a commit with this change.
2 participants
PR Type
Enhancement
Description
grok-3-fast-betatogrok-4-fast-non-reasoningDiagram Walkthrough
File Walkthrough
index.ts
Update xAI model versionlib/utils/index.ts
grok-3-fast-betawithgrok-4-fast-non-reasoningin xAI modelconfiguration
Summary by CodeRabbit