xAI: Grok 4.1 Fast
2000k context
Lowest Price
$0.20
per 1M tokens
Providers
1
Available
Context
2000k
tokens
Price Comparison
| Provider | Input / Output | Latency | Status | |
|---|---|---|---|---|
| OpenRouterLowest | $0.20/$0.50 | ... | Verified |
About This Model
Grok 4.1 Fast is xAI's best agentic tool calling model that shines in real-world use cases like customer support and deep research. 2M context window.
Reasoning can be enabled/disabled using the reasoning enabled parameter in the API. [Learn more in our docs](https://openrouter.ai/docs/use-case...
Quick Start