Grok 4.3
by xAI · family grok · listed Apr 2026RTV
xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
Current rates USD per 1M tokens
Input$1.25
Output$2.50
Cache read$0.20
Cache write—
Against the market
On the record
- Model id
grok-4.3- Context window
- 1M tokens
- Max output
- 30K tokens
- Input modalities
- text, image, pdf
- Output modalities
- text
- Reasoning
- yes
- Tool calls
- yes
- Open weights
- no
- Knowledge cutoff
- —
- Released
- 2026-04-17
- Last updated
- 2026-04-17
- Provider docs
- docs.x.ai/docs/models
Back of the envelope
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