Get Started with Grok 4.1 Fast on OpenRouter
OpenRouter offers access to Grok 4.1 Fast with a 2M context window. Multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.20 |
| Output tokens | $0.50 |
Capabilities
VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution
About Grok 4.1 Fast
High-performance variant optimized for speed without thinking mode overhead.
Model Specs
Released2025-11-17
Context2M