Grok 4

[mrubens]

Important

Add Grok-4 model as the default in xai.ts with updated properties and pricing.

• Models:
  • Add grok-4 model to xaiModels in xai.ts with 256K context window, image support, and prompt cache support.
  • Set grok-4 as xaiDefaultModelId in xai.ts.
• Pricing:
  • grok-4 has input price 3.0, output price 15.0, cache writes price 0.75, and cache reads price 0.75.
• Misc:
  • Reorder models in xai.ts to place grok-4 at the top.
  • Add .changeset/red-symbols-grab.md file.

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[delve-auditor]

✅ No security or compliance issues detected. Reviewed everything up to 9126042.

Security Overview

• 🔎 Scanned files: 2 changed file(s)

Detected Code Changes

Change Type	Relevant files
Enhancement	► xai.ts     Add Grok-4 model configuration     Update default model to Grok-4     Reorder model definitions

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