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Grok 4
xAI · Text + Vision · Dec 2025
Real-time knowledge model with strong reasoning and a conversational style.
Chat / AssistantCode generationImage / Vision
Input price
$5.00
per 1M tokens
Output price
$15.00
per 1M tokens
Context window
256K
tokens
Modality
Text + Vision
supported
Provider
xAI
vendor
Released
Dec 2025
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Frequently asked questions
- How much does Grok 4 cost?
- Grok 4 costs $5.00 per 1M input tokens and $15.00 per 1M output tokens.
- What is Grok 4's context window?
- Grok 4 supports a context window of 256K tokens.
- What is Grok 4 best for?
- Grok 4 is well suited for Chat / Assistant, Code generation, Image / Vision. Real-time knowledge model with strong reasoning and a conversational style.
- Who makes Grok 4?
- Grok 4 is built by xAI. It was released in Dec 2025.