Context2M tokens
Price (In / Out)$0.20/M / $0.50/M
CategoryMultimodal LLM
Max Output30K tokens
About Grok 4.1 Fast
Grok 4.1 Fast is a multimodal llm from xAI. Supports up to 2,000,000 token context window. Available from $0.20/M input tokens.
Capabilities
textvisioncode
Input Modalities
textimagefile
Output Modalities
text
Technical Details
- API Identifier
- x-ai/grok-4.1-fast
- Category
- Multimodal LLM
- Context Window
- 2,000,000 tokens
- Max Output Tokens
- 30,000 tokens
Tags
multimodalbudget-friendlylong-context
Pricing
Token pricing for Grok 4.1 Fast API usage.
Input Tokens
$0.20/M
per million tokens
Output Tokens
$0.50/M
per million tokens
Pricing Calculator
Input cost$0.20
Output cost$0.25
Estimated monthly cost$0.45
Cache read: $0.0500/M tokens
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Tools by xAI
Other AI tools from the same organization.
AI Models by xAI
Large language models from the same organization.
| Model | Context Window | Price (In / Out per M) |
|---|---|---|
| Grok 4.20 Multi-AgentCurrent | 2.0M | $2.00 / $6.00 |
| Grok 4.20Current | 2.0M | $2.00 / $6.00 |
| Grok 4 FastCurrent | 2.0M | $0.20 / $0.50 |
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