xAI's current frontier model on OpenRouter ($1.25/$2.50 per MTok). Grok 4.3 positions itself as a strong all-rounder. Also accessible via Grok.com / X Premium.
At a glance
Context
1M tokens
Input
text, image, code
Specifications
- Status
- Released
- Date
- May 1, 2026
- Lab
- xAI
- Origin
- US
- Type
- reasoning, multimodal
- Open weights
- —
- License
- proprietary
- Context
- 1M tokens
- Input
- text, image, code
- Output
- text, code