xAI's coding-focused model — 256K context, $1/$2 per MTok. 'Build' implies software development as the main use case. A separate coding line alongside the general-purpose Grok 4.3.
At a glance
Context
256K tokens
Input
text, code
Specifications
- Status
- Released
- Date
- May 22, 2026
- Lab
- xAI
- Origin
- US
- Type
- code, reasoning
- Open weights
- —
- License
- proprietary
- Context
- 256K tokens
- Input
- text, code
- Output
- text, code